#define I810_GMS_DISABLE 0x00000000
#define I810_PGETBL_CTL 0x2020
#define I810_PGETBL_ENABLED 0x00000001
+/* Note: PGETBL_CTL2 has a different offset on G33. */
+#define I965_PGETBL_CTL2 0x20c4
#define I965_PGETBL_SIZE_MASK 0x0000000e
#define I965_PGETBL_SIZE_512KB (0 << 1)
#define I965_PGETBL_SIZE_256KB (1 << 1)
#define I965_PGETBL_SIZE_1MB (3 << 1)
#define I965_PGETBL_SIZE_2MB (4 << 1)
#define I965_PGETBL_SIZE_1_5MB (5 << 1)
-#define G33_PGETBL_SIZE_MASK (3 << 8)
-#define G33_PGETBL_SIZE_1M (1 << 8)
-#define G33_PGETBL_SIZE_2M (2 << 8)
+#define G33_GMCH_SIZE_MASK (3 << 8)
+#define G33_GMCH_SIZE_1M (1 << 8)
+#define G33_GMCH_SIZE_2M (2 << 8)
+#define G4x_GMCH_SIZE_MASK (0xf << 8)
+#define G4x_GMCH_SIZE_1M (0x1 << 8)
+#define G4x_GMCH_SIZE_2M (0x3 << 8)
+#define G4x_GMCH_SIZE_VT_1M (0x9 << 8)
+#define G4x_GMCH_SIZE_VT_1_5M (0xa << 8)
+#define G4x_GMCH_SIZE_VT_2M (0xc << 8)
#define I810_DRAM_CTL 0x3000
#define I810_DRAM_ROW_0 0x00000001
unsigned int is_g33 : 1;
unsigned int is_pineview : 1;
unsigned int is_ironlake : 1;
+ unsigned int has_pgtbl_enable : 1;
unsigned int dma_mask_size : 8;
/* Chipset specific GTT setup */
int (*setup)(void);
u8 __iomem *registers;
phys_addr_t gtt_bus_addr;
phys_addr_t gma_bus_addr;
- phys_addr_t pte_bus_addr;
+ u32 PGETBL_save;
u32 __iomem *gtt; /* I915G */
int num_dcache_entries;
union {
#define IS_G33 intel_private.driver->is_g33
#define IS_PINEVIEW intel_private.driver->is_pineview
#define IS_IRONLAKE intel_private.driver->is_ironlake
+#define HAS_PGTBL_EN intel_private.driver->has_pgtbl_enable
static void intel_agp_free_sglist(struct agp_memory *mem)
{
return stolen_entries;
}
-static unsigned int intel_gtt_total_entries(void)
+static void i965_adjust_pgetbl_size(unsigned int size_flag)
+{
+ u32 pgetbl_ctl, pgetbl_ctl2;
+
+ /* ensure that ppgtt is disabled */
+ pgetbl_ctl2 = readl(intel_private.registers+I965_PGETBL_CTL2);
+ pgetbl_ctl2 &= ~I810_PGETBL_ENABLED;
+ writel(pgetbl_ctl2, intel_private.registers+I965_PGETBL_CTL2);
+
+ /* write the new ggtt size */
+ pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL);
+ pgetbl_ctl &= ~I965_PGETBL_SIZE_MASK;
+ pgetbl_ctl |= size_flag;
+ writel(pgetbl_ctl, intel_private.registers+I810_PGETBL_CTL);
+}
+
+static unsigned int i965_gtt_total_entries(void)
{
int size;
+ u32 pgetbl_ctl;
+ u16 gmch_ctl;
- if (IS_G33 || INTEL_GTT_GEN == 4 || INTEL_GTT_GEN == 5) {
- u32 pgetbl_ctl;
- pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL);
+ pci_read_config_word(intel_private.bridge_dev,
+ I830_GMCH_CTRL, &gmch_ctl);
- switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) {
- case I965_PGETBL_SIZE_128KB:
- size = KB(128);
- break;
- case I965_PGETBL_SIZE_256KB:
- size = KB(256);
- break;
- case I965_PGETBL_SIZE_512KB:
- size = KB(512);
+ if (INTEL_GTT_GEN == 5) {
+ switch (gmch_ctl & G4x_GMCH_SIZE_MASK) {
+ case G4x_GMCH_SIZE_1M:
+ case G4x_GMCH_SIZE_VT_1M:
+ i965_adjust_pgetbl_size(I965_PGETBL_SIZE_1MB);
break;
- case I965_PGETBL_SIZE_1MB:
- size = KB(1024);
+ case G4x_GMCH_SIZE_VT_1_5M:
+ i965_adjust_pgetbl_size(I965_PGETBL_SIZE_1_5MB);
break;
- case I965_PGETBL_SIZE_2MB:
- size = KB(2048);
+ case G4x_GMCH_SIZE_2M:
+ case G4x_GMCH_SIZE_VT_2M:
+ i965_adjust_pgetbl_size(I965_PGETBL_SIZE_2MB);
break;
- case I965_PGETBL_SIZE_1_5MB:
- size = KB(1024 + 512);
- break;
- default:
- dev_info(&intel_private.pcidev->dev,
- "unknown page table size, assuming 512KB\n");
- size = KB(512);
}
+ }
- return size/4;
- } else if (INTEL_GTT_GEN == 6) {
+ pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL);
+
+ switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) {
+ case I965_PGETBL_SIZE_128KB:
+ size = KB(128);
+ break;
+ case I965_PGETBL_SIZE_256KB:
+ size = KB(256);
+ break;
+ case I965_PGETBL_SIZE_512KB:
+ size = KB(512);
+ break;
+ /* GTT pagetable sizes bigger than 512KB are not possible on G33! */
+ case I965_PGETBL_SIZE_1MB:
+ size = KB(1024);
+ break;
+ case I965_PGETBL_SIZE_2MB:
+ size = KB(2048);
+ break;
+ case I965_PGETBL_SIZE_1_5MB:
+ size = KB(1024 + 512);
+ break;
+ default:
+ dev_info(&intel_private.pcidev->dev,
+ "unknown page table size, assuming 512KB\n");
+ size = KB(512);
+ }
+
+ return size/4;
+}
+
+static unsigned int intel_gtt_total_entries(void)
+{
+ int size;
+
+ if (IS_G33 || INTEL_GTT_GEN == 4 || INTEL_GTT_GEN == 5)
+ return i965_gtt_total_entries();
+ else if (INTEL_GTT_GEN == 6) {
u16 snb_gmch_ctl;
pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
intel_private.base.gtt_mappable_entries = intel_gtt_mappable_entries();
intel_private.base.gtt_total_entries = intel_gtt_total_entries();
+ /* save the PGETBL reg for resume */
+ intel_private.PGETBL_save =
+ readl(intel_private.registers+I810_PGETBL_CTL)
+ & ~I810_PGETBL_ENABLED;
+ /* we only ever restore the register when enabling the PGTBL... */
+ if (HAS_PGTBL_EN)
+ intel_private.PGETBL_save |= I810_PGETBL_ENABLED;
+
dev_info(&intel_private.bridge_dev->dev,
"detected gtt size: %dK total, %dK mappable\n",
intel_private.base.gtt_total_entries * 4,
writel(addr | pte_flags, intel_private.gtt + entry);
}
-static void intel_enable_gtt(void)
+static bool intel_enable_gtt(void)
{
u32 gma_addr;
- u16 gmch_ctrl;
+ u8 __iomem *reg;
if (INTEL_GTT_GEN == 2)
pci_read_config_dword(intel_private.pcidev, I810_GMADDR,
intel_private.gma_bus_addr = (gma_addr & PCI_BASE_ADDRESS_MEM_MASK);
- pci_read_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, &gmch_ctrl);
- gmch_ctrl |= I830_GMCH_ENABLED;
- pci_write_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, gmch_ctrl);
+ if (INTEL_GTT_GEN >= 6)
+ return true;
- writel(intel_private.pte_bus_addr|I810_PGETBL_ENABLED,
- intel_private.registers+I810_PGETBL_CTL);
- readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */
+ if (INTEL_GTT_GEN == 2) {
+ u16 gmch_ctrl;
+
+ pci_read_config_word(intel_private.bridge_dev,
+ I830_GMCH_CTRL, &gmch_ctrl);
+ gmch_ctrl |= I830_GMCH_ENABLED;
+ pci_write_config_word(intel_private.bridge_dev,
+ I830_GMCH_CTRL, gmch_ctrl);
+
+ pci_read_config_word(intel_private.bridge_dev,
+ I830_GMCH_CTRL, &gmch_ctrl);
+ if ((gmch_ctrl & I830_GMCH_ENABLED) == 0) {
+ dev_err(&intel_private.pcidev->dev,
+ "failed to enable the GTT: GMCH_CTRL=%x\n",
+ gmch_ctrl);
+ return false;
+ }
+ }
+
+ reg = intel_private.registers+I810_PGETBL_CTL;
+ writel(intel_private.PGETBL_save, reg);
+ if (HAS_PGTBL_EN && (readl(reg) & I810_PGETBL_ENABLED) == 0) {
+ dev_err(&intel_private.pcidev->dev,
+ "failed to enable the GTT: PGETBL=%x [expected %x]\n",
+ readl(reg), intel_private.PGETBL_save);
+ return false;
+ }
+
+ return true;
}
static int i830_setup(void)
return -ENOMEM;
intel_private.gtt_bus_addr = reg_addr + I810_PTE_BASE;
- intel_private.pte_bus_addr =
- readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
intel_i830_setup_flush();
{
int i;
- intel_enable_gtt();
+ if (!intel_enable_gtt())
+ return -EIO;
agp_bridge->gart_bus_addr = intel_private.gma_bus_addr;
intel_private.gtt_bus_addr = reg_addr + gtt_offset;
}
- intel_private.pte_bus_addr =
- readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
-
intel_i9xx_setup_flush();
return 0;
};
static const struct intel_gtt_driver i8xx_gtt_driver = {
.gen = 2,
+ .has_pgtbl_enable = 1,
.setup = i830_setup,
.cleanup = i830_cleanup,
.write_entry = i830_write_entry,
};
static const struct intel_gtt_driver i915_gtt_driver = {
.gen = 3,
+ .has_pgtbl_enable = 1,
.setup = i9xx_setup,
.cleanup = i9xx_cleanup,
/* i945 is the last gpu to need phys mem (for overlay and cursors). */
};
static const struct intel_gtt_driver i965_gtt_driver = {
.gen = 4,
+ .has_pgtbl_enable = 1,
.setup = i9xx_setup,
.cleanup = i9xx_cleanup,
.write_entry = i965_write_entry,
mm->scanned_blocks = 0;
mm->scan_hit_start = 0;
mm->scan_hit_size = 0;
+ mm->scan_check_range = 0;
}
EXPORT_SYMBOL(drm_mm_init_scan);
+/**
+ * Initializa lru scanning.
+ *
+ * This simply sets up the scanning routines with the parameters for the desired
+ * hole. This version is for range-restricted scans.
+ *
+ * Warning: As long as the scan list is non-empty, no other operations than
+ * adding/removing nodes to/from the scan list are allowed.
+ */
+void drm_mm_init_scan_with_range(struct drm_mm *mm, unsigned long size,
+ unsigned alignment,
+ unsigned long start,
+ unsigned long end)
+{
+ mm->scan_alignment = alignment;
+ mm->scan_size = size;
+ mm->scanned_blocks = 0;
+ mm->scan_hit_start = 0;
+ mm->scan_hit_size = 0;
+ mm->scan_start = start;
+ mm->scan_end = end;
+ mm->scan_check_range = 1;
+}
+EXPORT_SYMBOL(drm_mm_init_scan_with_range);
+
/**
* Add a node to the scan list that might be freed to make space for the desired
* hole.
struct drm_mm *mm = node->mm;
struct list_head *prev_free, *next_free;
struct drm_mm_node *prev_node, *next_node;
+ unsigned long adj_start;
+ unsigned long adj_end;
mm->scanned_blocks++;
node->free_stack.prev = prev_free;
node->free_stack.next = next_free;
- if (check_free_hole(node->start, node->start + node->size,
+ if (mm->scan_check_range) {
+ adj_start = node->start < mm->scan_start ?
+ mm->scan_start : node->start;
+ adj_end = node->start + node->size > mm->scan_end ?
+ mm->scan_end : node->start + node->size;
+ } else {
+ adj_start = node->start;
+ adj_end = node->start + node->size;
+ }
+
+ if (check_free_hole(adj_start , adj_end,
mm->scan_size, mm->scan_alignment)) {
mm->scan_hit_start = node->start;
mm->scan_hit_size = node->size;
#include "drmP.h"
#include "drm.h"
#include "intel_drv.h"
+#include "intel_ringbuffer.h"
#include "i915_drm.h"
#include "i915_drv.h"
if (obj->fence_reg != I915_FENCE_REG_NONE)
seq_printf(m, " (fence: %d)", obj->fence_reg);
if (obj->gtt_space != NULL)
- seq_printf(m, " (gtt_offset: %08x)", obj->gtt_offset);
+ seq_printf(m, " (gtt offset: %08x, size: %08x)",
+ obj->gtt_offset, (unsigned int)obj->gtt_space->size);
+ if (obj->pin_mappable || obj->fault_mappable)
+ seq_printf(m, " (mappable)");
if (obj->ring != NULL)
seq_printf(m, " (%s)", obj->ring->name);
}
seq_printf(m, "%zu object bytes\n", dev_priv->mm.object_memory);
seq_printf(m, "%u pinned\n", dev_priv->mm.pin_count);
seq_printf(m, "%zu pin bytes\n", dev_priv->mm.pin_memory);
+ seq_printf(m, "%u mappable objects in gtt\n", dev_priv->mm.gtt_mappable_count);
+ seq_printf(m, "%zu mappable gtt bytes\n", dev_priv->mm.gtt_mappable_memory);
+ seq_printf(m, "%zu mappable gtt used bytes\n", dev_priv->mm.mappable_gtt_used);
+ seq_printf(m, "%zu mappable gtt total\n", dev_priv->mm.mappable_gtt_total);
seq_printf(m, "%u objects in gtt\n", dev_priv->mm.gtt_count);
seq_printf(m, "%zu gtt bytes\n", dev_priv->mm.gtt_memory);
seq_printf(m, "%zu gtt total\n", dev_priv->mm.gtt_total);
struct drm_device *dev = node->minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_request *gem_request;
- int ret;
+ int ret, count;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
- seq_printf(m, "Request:\n");
- list_for_each_entry(gem_request, &dev_priv->render_ring.request_list,
- list) {
- seq_printf(m, " %d @ %d\n",
- gem_request->seqno,
- (int) (jiffies - gem_request->emitted_jiffies));
+ count = 0;
+ if (!list_empty(&dev_priv->render_ring.request_list)) {
+ seq_printf(m, "Render requests:\n");
+ list_for_each_entry(gem_request,
+ &dev_priv->render_ring.request_list,
+ list) {
+ seq_printf(m, " %d @ %d\n",
+ gem_request->seqno,
+ (int) (jiffies - gem_request->emitted_jiffies));
+ }
+ count++;
+ }
+ if (!list_empty(&dev_priv->bsd_ring.request_list)) {
+ seq_printf(m, "BSD requests:\n");
+ list_for_each_entry(gem_request,
+ &dev_priv->bsd_ring.request_list,
+ list) {
+ seq_printf(m, " %d @ %d\n",
+ gem_request->seqno,
+ (int) (jiffies - gem_request->emitted_jiffies));
+ }
+ count++;
+ }
+ if (!list_empty(&dev_priv->blt_ring.request_list)) {
+ seq_printf(m, "BLT requests:\n");
+ list_for_each_entry(gem_request,
+ &dev_priv->blt_ring.request_list,
+ list) {
+ seq_printf(m, " %d @ %d\n",
+ gem_request->seqno,
+ (int) (jiffies - gem_request->emitted_jiffies));
+ }
+ count++;
}
mutex_unlock(&dev->struct_mutex);
+ if (count == 0)
+ seq_printf(m, "No requests\n");
+
return 0;
}
+static void i915_ring_seqno_info(struct seq_file *m,
+ struct intel_ring_buffer *ring)
+{
+ if (ring->get_seqno) {
+ seq_printf(m, "Current sequence (%s): %d\n",
+ ring->name, ring->get_seqno(ring));
+ seq_printf(m, "Waiter sequence (%s): %d\n",
+ ring->name, ring->waiting_seqno);
+ seq_printf(m, "IRQ sequence (%s): %d\n",
+ ring->name, ring->irq_seqno);
+ }
+}
+
static int i915_gem_seqno_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
if (ret)
return ret;
- if (dev_priv->render_ring.status_page.page_addr != NULL) {
- seq_printf(m, "Current sequence: %d\n",
- dev_priv->render_ring.get_seqno(dev, &dev_priv->render_ring));
- } else {
- seq_printf(m, "Current sequence: hws uninitialized\n");
- }
- seq_printf(m, "Waiter sequence: %d\n",
- dev_priv->mm.waiting_gem_seqno);
- seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
+ i915_ring_seqno_info(m, &dev_priv->render_ring);
+ i915_ring_seqno_info(m, &dev_priv->bsd_ring);
+ i915_ring_seqno_info(m, &dev_priv->blt_ring);
mutex_unlock(&dev->struct_mutex);
}
seq_printf(m, "Interrupts received: %d\n",
atomic_read(&dev_priv->irq_received));
- if (dev_priv->render_ring.status_page.page_addr != NULL) {
- seq_printf(m, "Current sequence: %d\n",
- dev_priv->render_ring.get_seqno(dev, &dev_priv->render_ring));
- } else {
- seq_printf(m, "Current sequence: hws uninitialized\n");
- }
- seq_printf(m, "Waiter sequence: %d\n",
- dev_priv->mm.waiting_gem_seqno);
- seq_printf(m, "IRQ sequence: %d\n",
- dev_priv->mm.irq_gem_seqno);
+ i915_ring_seqno_info(m, &dev_priv->render_ring);
+ i915_ring_seqno_info(m, &dev_priv->bsd_ring);
+ i915_ring_seqno_info(m, &dev_priv->blt_ring);
mutex_unlock(&dev->struct_mutex);
return 0;
for (i = 0; i < dev_priv->num_fence_regs; i++) {
struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
- if (obj == NULL) {
- seq_printf(m, "Fenced object[%2d] = unused\n", i);
- } else {
- struct drm_i915_gem_object *obj_priv;
-
- obj_priv = to_intel_bo(obj);
- seq_printf(m, "Fenced object[%2d] = %p: %s "
- "%08x %08zx %08x %s %08x %08x %d",
- i, obj, get_pin_flag(obj_priv),
- obj_priv->gtt_offset,
- obj->size, obj_priv->stride,
- get_tiling_flag(obj_priv),
- obj->read_domains, obj->write_domain,
- obj_priv->last_rendering_seqno);
- if (obj->name)
- seq_printf(m, " (name: %d)", obj->name);
- seq_printf(m, "\n");
- }
+ seq_printf(m, "Fenced object[%2d] = ", i);
+ if (obj == NULL)
+ seq_printf(m, "unused");
+ else
+ describe_obj(m, to_intel_bo(obj));
+ seq_printf(m, "\n");
}
mutex_unlock(&dev->struct_mutex);
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- int i;
+ struct intel_ring_buffer *ring;
volatile u32 *hws;
+ int i;
+
+ switch ((uintptr_t)node->info_ent->data) {
+ case RING_RENDER: ring = &dev_priv->render_ring; break;
+ case RING_BSD: ring = &dev_priv->bsd_ring; break;
+ case RING_BLT: ring = &dev_priv->blt_ring; break;
+ default: return -EINVAL;
+ }
- hws = (volatile u32 *)dev_priv->render_ring.status_page.page_addr;
+ hws = (volatile u32 *)ring->status_page.page_addr;
if (hws == NULL)
return 0;
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring;
int ret;
+ switch ((uintptr_t)node->info_ent->data) {
+ case RING_RENDER: ring = &dev_priv->render_ring; break;
+ case RING_BSD: ring = &dev_priv->bsd_ring; break;
+ case RING_BLT: ring = &dev_priv->blt_ring; break;
+ default: return -EINVAL;
+ }
+
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
- if (!dev_priv->render_ring.gem_object) {
+ if (!ring->gem_object) {
seq_printf(m, "No ringbuffer setup\n");
} else {
- u8 *virt = dev_priv->render_ring.virtual_start;
+ u8 *virt = ring->virtual_start;
uint32_t off;
- for (off = 0; off < dev_priv->render_ring.size; off += 4) {
+ for (off = 0; off < ring->size; off += 4) {
uint32_t *ptr = (uint32_t *)(virt + off);
seq_printf(m, "%08x : %08x\n", off, *ptr);
}
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- unsigned int head, tail;
+ struct intel_ring_buffer *ring;
- head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
- tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+ switch ((uintptr_t)node->info_ent->data) {
+ case RING_RENDER: ring = &dev_priv->render_ring; break;
+ case RING_BSD: ring = &dev_priv->bsd_ring; break;
+ case RING_BLT: ring = &dev_priv->blt_ring; break;
+ default: return -EINVAL;
+ }
+
+ if (ring->size == 0)
+ return 0;
- seq_printf(m, "RingHead : %08x\n", head);
- seq_printf(m, "RingTail : %08x\n", tail);
- seq_printf(m, "RingSize : %08lx\n", dev_priv->render_ring.size);
- seq_printf(m, "Acthd : %08x\n", I915_READ(INTEL_INFO(dev)->gen >= 4 ? ACTHD_I965 : ACTHD));
+ seq_printf(m, "Ring %s:\n", ring->name);
+ seq_printf(m, " Head : %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR);
+ seq_printf(m, " Tail : %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR);
+ seq_printf(m, " Size : %08x\n", ring->size);
+ seq_printf(m, " Active : %08x\n", intel_ring_get_active_head(ring));
+ seq_printf(m, " Control : %08x\n", I915_READ_CTL(ring));
+ seq_printf(m, " Start : %08x\n", I915_READ_START(ring));
return 0;
}
+static const char *ring_str(int ring)
+{
+ switch (ring) {
+ case RING_RENDER: return "render";
+ case RING_BSD: return "bsd";
+ case RING_BLT: return "blt";
+ default: return "";
+ }
+}
+
static const char *pin_flag(int pinned)
{
if (pinned > 0)
error->time.tv_usec);
seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
seq_printf(m, "EIR: 0x%08x\n", error->eir);
- seq_printf(m, " PGTBL_ER: 0x%08x\n", error->pgtbl_er);
- seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
+ seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
+ if (INTEL_INFO(dev)->gen >= 6) {
+ seq_printf(m, "ERROR: 0x%08x\n", error->error);
+ seq_printf(m, "Blitter command stream:\n");
+ seq_printf(m, " ACTHD: 0x%08x\n", error->bcs_acthd);
+ seq_printf(m, " IPEIR: 0x%08x\n", error->bcs_ipeir);
+ seq_printf(m, " IPEHR: 0x%08x\n", error->bcs_ipehr);
+ seq_printf(m, " INSTDONE: 0x%08x\n", error->bcs_instdone);
+ seq_printf(m, " seqno: 0x%08x\n", error->bcs_seqno);
+ seq_printf(m, "Video (BSD) command stream:\n");
+ seq_printf(m, " ACTHD: 0x%08x\n", error->vcs_acthd);
+ seq_printf(m, " IPEIR: 0x%08x\n", error->vcs_ipeir);
+ seq_printf(m, " IPEHR: 0x%08x\n", error->vcs_ipehr);
+ seq_printf(m, " INSTDONE: 0x%08x\n", error->vcs_instdone);
+ seq_printf(m, " seqno: 0x%08x\n", error->vcs_seqno);
+ }
+ seq_printf(m, "Render command stream:\n");
+ seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir);
seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr);
seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone);
- seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
if (INTEL_INFO(dev)->gen >= 4) {
- seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
+ seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
}
- seq_printf(m, "seqno: 0x%08x\n", error->seqno);
+ seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
+ seq_printf(m, " seqno: 0x%08x\n", error->seqno);
if (error->active_bo_count) {
seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
for (i = 0; i < error->active_bo_count; i++) {
- seq_printf(m, " %08x %8zd %08x %08x %08x%s%s%s%s",
+ seq_printf(m, " %08x %8zd %08x %08x %08x%s%s%s%s %s",
error->active_bo[i].gtt_offset,
error->active_bo[i].size,
error->active_bo[i].read_domains,
pin_flag(error->active_bo[i].pinned),
tiling_flag(error->active_bo[i].tiling),
dirty_flag(error->active_bo[i].dirty),
- purgeable_flag(error->active_bo[i].purgeable));
+ purgeable_flag(error->active_bo[i].purgeable),
+ ring_str(error->active_bo[i].ring));
if (error->active_bo[i].name)
seq_printf(m, " (name: %d)", error->active_bo[i].name);
loff_t *ppos)
{
struct drm_device *dev = filp->private_data;
- drm_i915_private_t *dev_priv = dev->dev_private;
char buf[20];
int val = 1;
}
DRM_INFO("Manually setting wedged to %d\n", val);
-
- atomic_set(&dev_priv->mm.wedged, val);
- if (val) {
- wake_up_all(&dev_priv->irq_queue);
- queue_work(dev_priv->wq, &dev_priv->error_work);
- }
+ i915_handle_error(dev, val);
return cnt;
}
{"i915_gem_seqno", i915_gem_seqno_info, 0},
{"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
{"i915_gem_interrupt", i915_interrupt_info, 0},
- {"i915_gem_hws", i915_hws_info, 0},
- {"i915_ringbuffer_data", i915_ringbuffer_data, 0},
- {"i915_ringbuffer_info", i915_ringbuffer_info, 0},
+ {"i915_gem_hws", i915_hws_info, 0, (void *)RING_RENDER},
+ {"i915_gem_hws_blt", i915_hws_info, 0, (void *)RING_BLT},
+ {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)RING_BSD},
+ {"i915_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RING_RENDER},
+ {"i915_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RING_RENDER},
+ {"i915_bsd_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RING_BSD},
+ {"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RING_BSD},
+ {"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RING_BLT},
+ {"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RING_BLT},
{"i915_batchbuffers", i915_batchbuffer_info, 0},
{"i915_error_state", i915_error_state, 0},
{"i915_rstdby_delays", i915_rstdby_delays, 0},
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;
- ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
- ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+ ring->head = I915_READ_HEAD(ring) & HEAD_ADDR;
+ ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
ring->space = ring->head - (ring->tail + 8);
if (ring->space < 0)
ring->space += ring->size;
drm_irq_uninstall(dev);
mutex_lock(&dev->struct_mutex);
- intel_cleanup_ring_buffer(dev, &dev_priv->render_ring);
- intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring);
- intel_cleanup_ring_buffer(dev, &dev_priv->blt_ring);
+ intel_cleanup_ring_buffer(&dev_priv->render_ring);
+ intel_cleanup_ring_buffer(&dev_priv->bsd_ring);
+ intel_cleanup_ring_buffer(&dev_priv->blt_ring);
mutex_unlock(&dev->struct_mutex);
/* Clear the HWS virtual address at teardown */
DRM_DEBUG_DRIVER("hw status page @ %p\n",
ring->status_page.page_addr);
if (ring->status_page.gfx_addr != 0)
- intel_ring_setup_status_page(dev, ring);
+ intel_ring_setup_status_page(ring);
else
I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
* instruction detected will be given a size of zero, which is a
* signal to abort the rest of the buffer.
*/
-static int do_validate_cmd(int cmd)
+static int validate_cmd(int cmd)
{
switch (((cmd >> 29) & 0x7)) {
case 0x0:
return 0;
}
-static int validate_cmd(int cmd)
-{
- int ret = do_validate_cmd(cmd);
-
-/* printk("validate_cmd( %x ): %d\n", cmd, ret); */
-
- return ret;
-}
-
static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- int i;
+ int i, ret;
if ((dwords+1) * sizeof(int) >= dev_priv->render_ring.size - 8)
return -EINVAL;
- BEGIN_LP_RING((dwords+1)&~1);
-
for (i = 0; i < dwords;) {
- int cmd, sz;
-
- cmd = buffer[i];
-
- if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords)
+ int sz = validate_cmd(buffer[i]);
+ if (sz == 0 || i + sz > dwords)
return -EINVAL;
-
- OUT_RING(cmd);
-
- while (++i, --sz) {
- OUT_RING(buffer[i]);
- }
+ i += sz;
}
+ ret = BEGIN_LP_RING((dwords+1)&~1);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < dwords; i++)
+ OUT_RING(buffer[i]);
if (dwords & 1)
OUT_RING(0);
struct drm_clip_rect *boxes,
int i, int DR1, int DR4)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_clip_rect box = boxes[i];
+ int ret;
if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) {
DRM_ERROR("Bad box %d,%d..%d,%d\n",
}
if (INTEL_INFO(dev)->gen >= 4) {
- BEGIN_LP_RING(4);
+ ret = BEGIN_LP_RING(4);
+ if (ret)
+ return ret;
+
OUT_RING(GFX_OP_DRAWRECT_INFO_I965);
OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
OUT_RING(DR4);
- ADVANCE_LP_RING();
} else {
- BEGIN_LP_RING(6);
+ ret = BEGIN_LP_RING(6);
+ if (ret)
+ return ret;
+
OUT_RING(GFX_OP_DRAWRECT_INFO);
OUT_RING(DR1);
OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
OUT_RING(DR4);
OUT_RING(0);
- ADVANCE_LP_RING();
}
+ ADVANCE_LP_RING();
return 0;
}
if (master_priv->sarea_priv)
master_priv->sarea_priv->last_enqueue = dev_priv->counter;
- BEGIN_LP_RING(4);
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->counter);
- OUT_RING(0);
- ADVANCE_LP_RING();
+ if (BEGIN_LP_RING(4) == 0) {
+ OUT_RING(MI_STORE_DWORD_INDEX);
+ OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+ }
}
static int i915_dispatch_cmdbuffer(struct drm_device * dev,
drm_i915_batchbuffer_t * batch,
struct drm_clip_rect *cliprects)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
int nbox = batch->num_cliprects;
- int i = 0, count;
+ int i, count, ret;
if ((batch->start | batch->used) & 0x7) {
DRM_ERROR("alignment");
i915_kernel_lost_context(dev);
count = nbox ? nbox : 1;
-
for (i = 0; i < count; i++) {
if (i < nbox) {
- int ret = i915_emit_box(dev, cliprects, i,
- batch->DR1, batch->DR4);
+ ret = i915_emit_box(dev, cliprects, i,
+ batch->DR1, batch->DR4);
if (ret)
return ret;
}
if (!IS_I830(dev) && !IS_845G(dev)) {
- BEGIN_LP_RING(2);
+ ret = BEGIN_LP_RING(2);
+ if (ret)
+ return ret;
+
if (INTEL_INFO(dev)->gen >= 4) {
OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
OUT_RING(batch->start);
OUT_RING(MI_BATCH_BUFFER_START | (2 << 6));
OUT_RING(batch->start | MI_BATCH_NON_SECURE);
}
- ADVANCE_LP_RING();
} else {
- BEGIN_LP_RING(4);
+ ret = BEGIN_LP_RING(4);
+ if (ret)
+ return ret;
+
OUT_RING(MI_BATCH_BUFFER);
OUT_RING(batch->start | MI_BATCH_NON_SECURE);
OUT_RING(batch->start + batch->used - 4);
OUT_RING(0);
- ADVANCE_LP_RING();
}
+ ADVANCE_LP_RING();
}
if (IS_G4X(dev) || IS_GEN5(dev)) {
- BEGIN_LP_RING(2);
- OUT_RING(MI_FLUSH | MI_NO_WRITE_FLUSH | MI_INVALIDATE_ISP);
- OUT_RING(MI_NOOP);
- ADVANCE_LP_RING();
+ if (BEGIN_LP_RING(2) == 0) {
+ OUT_RING(MI_FLUSH | MI_NO_WRITE_FLUSH | MI_INVALIDATE_ISP);
+ OUT_RING(MI_NOOP);
+ ADVANCE_LP_RING();
+ }
}
- i915_emit_breadcrumb(dev);
+ i915_emit_breadcrumb(dev);
return 0;
}
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv =
dev->primary->master->driver_priv;
+ int ret;
if (!master_priv->sarea_priv)
return -EINVAL;
i915_kernel_lost_context(dev);
- BEGIN_LP_RING(2);
+ ret = BEGIN_LP_RING(10);
+ if (ret)
+ return ret;
+
OUT_RING(MI_FLUSH | MI_READ_FLUSH);
OUT_RING(0);
- ADVANCE_LP_RING();
- BEGIN_LP_RING(6);
OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP);
OUT_RING(0);
if (dev_priv->current_page == 0) {
dev_priv->current_page = 0;
}
OUT_RING(0);
- ADVANCE_LP_RING();
- BEGIN_LP_RING(2);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP);
OUT_RING(0);
+
ADVANCE_LP_RING();
master_priv->sarea_priv->last_enqueue = dev_priv->counter++;
- BEGIN_LP_RING(4);
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->counter);
- OUT_RING(0);
- ADVANCE_LP_RING();
+ if (BEGIN_LP_RING(4) == 0) {
+ OUT_RING(MI_STORE_DWORD_INDEX);
+ OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+ }
master_priv->sarea_priv->pf_current_page = dev_priv->current_page;
return 0;
drm_i915_private_t *dev_priv = dev->dev_private;
i915_kernel_lost_context(dev);
- return intel_wait_ring_buffer(dev, &dev_priv->render_ring,
+ return intel_wait_ring_buffer(&dev_priv->render_ring,
dev_priv->render_ring.size - 8);
}
case I915_PARAM_HAS_BLT:
value = HAS_BLT(dev);
break;
+ case I915_PARAM_HAS_RELAXED_FENCING:
+ value = 1;
+ break;
default:
DRM_DEBUG_DRIVER("Unknown parameter %d\n",
param->param);
return can_switch;
}
-static int i915_load_modeset_init(struct drm_device *dev,
- unsigned long prealloc_size,
- unsigned long agp_size)
+static int i915_load_modeset_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned long prealloc_size, gtt_size, mappable_size;
int ret = 0;
+ prealloc_size = dev_priv->mm.gtt->gtt_stolen_entries << PAGE_SHIFT;
+ gtt_size = dev_priv->mm.gtt->gtt_total_entries << PAGE_SHIFT;
+ mappable_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
+ gtt_size -= PAGE_SIZE;
+
/* Basic memrange allocator for stolen space (aka mm.vram) */
drm_mm_init(&dev_priv->mm.vram, 0, prealloc_size);
* at the last page of the aperture. One page should be enough to
* keep any prefetching inside of the aperture.
*/
- i915_gem_do_init(dev, prealloc_size, agp_size - 4096);
+ i915_gem_do_init(dev, prealloc_size, mappable_size, gtt_size);
mutex_lock(&dev->struct_mutex);
ret = i915_gem_init_ringbuffer(dev);
int i915_driver_load(struct drm_device *dev, unsigned long flags)
{
struct drm_i915_private *dev_priv;
- resource_size_t base, size;
int ret = 0, mmio_bar;
uint32_t agp_size, prealloc_size;
/* i915 has 4 more counters */
dev_priv->dev = dev;
dev_priv->info = (struct intel_device_info *) flags;
- /* Add register map (needed for suspend/resume) */
- mmio_bar = IS_GEN2(dev) ? 1 : 0;
- base = pci_resource_start(dev->pdev, mmio_bar);
- size = pci_resource_len(dev->pdev, mmio_bar);
-
if (i915_get_bridge_dev(dev)) {
ret = -EIO;
goto free_priv;
if (IS_GEN2(dev))
dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
- dev_priv->regs = ioremap(base, size);
+ mmio_bar = IS_GEN2(dev) ? 1 : 0;
+ dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, 0);
if (!dev_priv->regs) {
DRM_ERROR("failed to map registers\n");
ret = -EIO;
goto put_bridge;
}
+ dev_priv->mm.gtt = intel_gtt_get();
+ if (!dev_priv->mm.gtt) {
+ DRM_ERROR("Failed to initialize GTT\n");
+ ret = -ENODEV;
+ goto out_iomapfree;
+ }
+
+ prealloc_size = dev_priv->mm.gtt->gtt_stolen_entries << PAGE_SHIFT;
+ agp_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
+
dev_priv->mm.gtt_mapping =
- io_mapping_create_wc(dev->agp->base,
- dev->agp->agp_info.aper_size * 1024*1024);
+ io_mapping_create_wc(dev->agp->base, agp_size);
if (dev_priv->mm.gtt_mapping == NULL) {
ret = -EIO;
goto out_rmmap;
* MTRR if present. Even if a UC MTRR isn't present.
*/
dev_priv->mm.gtt_mtrr = mtrr_add(dev->agp->base,
- dev->agp->agp_info.aper_size *
- 1024 * 1024,
+ agp_size,
MTRR_TYPE_WRCOMB, 1);
if (dev_priv->mm.gtt_mtrr < 0) {
DRM_INFO("MTRR allocation failed. Graphics "
"performance may suffer.\n");
}
- dev_priv->mm.gtt = intel_gtt_get();
- if (!dev_priv->mm.gtt) {
- DRM_ERROR("Failed to initialize GTT\n");
- ret = -ENODEV;
- goto out_iomapfree;
- }
-
- prealloc_size = dev_priv->mm.gtt->gtt_stolen_entries << PAGE_SHIFT;
- agp_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
-
/* The i915 workqueue is primarily used for batched retirement of
* requests (and thus managing bo) once the task has been completed
* by the GPU. i915_gem_retire_requests() is called directly when we
drm_core_check_feature(dev, DRIVER_MODESET)) {
DRM_ERROR("kernel modesetting requires GEM, disabling driver.\n");
ret = -ENODEV;
- goto out_iomapfree;
+ goto out_workqueue_free;
}
dev->driver->get_vblank_counter = i915_get_vblank_counter;
/* Init HWS */
if (!I915_NEED_GFX_HWS(dev)) {
ret = i915_init_phys_hws(dev);
- if (ret != 0)
- goto out_workqueue_free;
+ if (ret)
+ goto out_gem_unload;
}
if (IS_PINEVIEW(dev))
dev_priv->trace_irq_seqno = 0;
ret = drm_vblank_init(dev, I915_NUM_PIPE);
-
- if (ret) {
- (void) i915_driver_unload(dev);
- return ret;
- }
+ if (ret)
+ goto out_gem_unload;
/* Start out suspended */
dev_priv->mm.suspended = 1;
intel_detect_pch(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
- ret = i915_load_modeset_init(dev, prealloc_size, agp_size);
+ ret = i915_load_modeset_init(dev);
if (ret < 0) {
DRM_ERROR("failed to init modeset\n");
- goto out_workqueue_free;
+ goto out_gem_unload;
}
}
return 0;
+out_gem_unload:
+ if (dev->pdev->msi_enabled)
+ pci_disable_msi(dev->pdev);
+
+ intel_teardown_gmbus(dev);
+ intel_teardown_mchbar(dev);
out_workqueue_free:
destroy_workqueue(dev_priv->wq);
out_iomapfree:
io_mapping_free(dev_priv->mm.gtt_mapping);
out_rmmap:
- iounmap(dev_priv->regs);
+ pci_iounmap(dev->pdev, dev_priv->regs);
put_bridge:
pci_dev_put(dev_priv->bridge_dev);
free_priv:
i915_mch_dev = NULL;
spin_unlock(&mchdev_lock);
+ if (dev_priv->mm.inactive_shrinker.shrink)
+ unregister_shrinker(&dev_priv->mm.inactive_shrinker);
+
mutex_lock(&dev->struct_mutex);
ret = i915_gpu_idle(dev);
if (ret)
}
if (dev_priv->regs != NULL)
- iounmap(dev_priv->regs);
+ pci_iounmap(dev->pdev, dev_priv->regs);
intel_teardown_gmbus(dev);
intel_teardown_mchbar(dev);
!dev_priv->mm.suspended) {
struct intel_ring_buffer *ring = &dev_priv->render_ring;
dev_priv->mm.suspended = 0;
- ring->init(dev, ring);
+ ring->init(ring);
mutex_unlock(&dev->struct_mutex);
drm_irq_uninstall(dev);
drm_irq_install(dev);
driver.num_ioctls = i915_max_ioctl;
- i915_gem_shrinker_init();
-
/*
* If CONFIG_DRM_I915_KMS is set, default to KMS unless
* explicitly disabled with the module pararmeter.
static void __exit i915_exit(void)
{
- i915_gem_shrinker_exit();
drm_exit(&driver);
}
#include "i915_reg.h"
#include "intel_bios.h"
+#include "i915_trace.h"
#include "intel_ringbuffer.h"
#include <linux/io-mapping.h>
#include <linux/i2c.h>
u32 ipehr;
u32 instdone;
u32 acthd;
+ u32 error; /* gen6+ */
+ u32 bcs_acthd; /* gen6+ blt engine */
+ u32 bcs_ipehr;
+ u32 bcs_ipeir;
+ u32 bcs_instdone;
+ u32 bcs_seqno;
+ u32 vcs_acthd; /* gen6+ bsd engine */
+ u32 vcs_ipehr;
+ u32 vcs_ipeir;
+ u32 vcs_instdone;
+ u32 vcs_seqno;
u32 instpm;
u32 instps;
u32 instdone1;
u32 tiling:2;
u32 dirty:1;
u32 purgeable:1;
+ u32 ring:4;
} *active_bo;
u32 active_bo_count;
struct intel_overlay_error_state *overlay;
int front_offset;
int current_page;
int page_flipping;
-#define I915_DEBUG_READ (1<<0)
-#define I915_DEBUG_WRITE (1<<1)
- unsigned long debug_flags;
- wait_queue_head_t irq_queue;
atomic_t irq_received;
/** Protects user_irq_refcount and irq_mask_reg */
spinlock_t user_irq_lock;
struct drm_mm vram;
/** Memory allocator for GTT */
struct drm_mm gtt_space;
+ /** End of mappable part of GTT */
+ unsigned long gtt_mappable_end;
struct io_mapping *gtt_mapping;
int gtt_mtrr;
- /**
- * Membership on list of all loaded devices, used to evict
- * inactive buffers under memory pressure.
- *
- * Modifications should only be done whilst holding the
- * shrink_list_lock spinlock.
- */
- struct list_head shrink_list;
+ struct shrinker inactive_shrinker;
/**
* List of objects currently involved in rendering.
*/
struct delayed_work retire_work;
- /**
- * Waiting sequence number, if any
- */
- uint32_t waiting_gem_seqno;
-
- /**
- * Last seq seen at irq time
- */
- uint32_t irq_gem_seqno;
-
/**
* Flag if the X Server, and thus DRM, is not currently in
* control of the device.
/* storage for physical objects */
struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
- uint32_t flush_rings;
-
/* accounting, useful for userland debugging */
size_t object_memory;
size_t pin_memory;
size_t gtt_memory;
+ size_t gtt_mappable_memory;
+ size_t mappable_gtt_used;
+ size_t mappable_gtt_total;
size_t gtt_total;
u32 object_count;
u32 pin_count;
+ u32 gtt_mappable_count;
u32 gtt_count;
} mm;
struct sdvo_device_mapping sdvo_mappings[2];
*/
unsigned int madv : 2;
- /**
- * Refcount for the pages array. With the current locking scheme, there
- * are at most two concurrent users: Binding a bo to the gtt and
- * pwrite/pread using physical addresses. So two bits for a maximum
- * of two users are enough.
- */
- unsigned int pages_refcount : 2;
-#define DRM_I915_GEM_OBJECT_MAX_PAGES_REFCOUNT 0x3
-
/**
* Current tiling mode for the object.
*/
unsigned int pin_count : 4;
#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
+ /**
+ * Is the object at the current location in the gtt mappable and
+ * fenceable? Used to avoid costly recalculations.
+ */
+ unsigned int map_and_fenceable : 1;
+
+ /**
+ * Whether the current gtt mapping needs to be mappable (and isn't just
+ * mappable by accident). Track pin and fault separate for a more
+ * accurate mappable working set.
+ */
+ unsigned int fault_mappable : 1;
+ unsigned int pin_mappable : 1;
+
/** AGP memory structure for our GTT binding. */
DRM_AGP_MEM *agp_mem;
/* Which ring is refering to is this object */
struct intel_ring_buffer *ring;
- /**
- * Fake offset for use by mmap(2)
- */
- uint64_t mmap_offset;
-
/** Breadcrumb of last rendering to the buffer. */
uint32_t last_rendering_seqno;
CHIP_I965 = 0x08,
};
+#define INTEL_INFO(dev) (((struct drm_i915_private *) (dev)->dev_private)->info)
+
+#define IS_I830(dev) ((dev)->pci_device == 0x3577)
+#define IS_845G(dev) ((dev)->pci_device == 0x2562)
+#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
+#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
+#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
+#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
+#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
+#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
+#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
+#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
+#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
+#define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
+#define IS_PINEVIEW_G(dev) ((dev)->pci_device == 0xa001)
+#define IS_PINEVIEW_M(dev) ((dev)->pci_device == 0xa011)
+#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
+#define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
+#define IS_IRONLAKE_D(dev) ((dev)->pci_device == 0x0042)
+#define IS_IRONLAKE_M(dev) ((dev)->pci_device == 0x0046)
+#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
+
+#define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
+#define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
+#define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
+#define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
+#define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
+
+#define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring)
+#define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring)
+#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
+
+#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
+#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
+
+/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
+ * rows, which changed the alignment requirements and fence programming.
+ */
+#define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
+ IS_I915GM(dev)))
+#define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev))
+#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev))
+#define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev))
+#define SUPPORTS_EDP(dev) (IS_IRONLAKE_M(dev))
+#define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
+#define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
+/* dsparb controlled by hw only */
+#define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IRONLAKE(dev))
+
+#define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
+#define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
+#define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
+#define I915_HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6)
+
+#define HAS_PCH_SPLIT(dev) (IS_GEN5(dev) || IS_GEN6(dev))
+#define HAS_PIPE_CONTROL(dev) (IS_GEN5(dev) || IS_GEN6(dev))
+
+#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
+#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
+#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
+
extern struct drm_ioctl_desc i915_ioctls[];
extern int i915_max_ioctl;
extern unsigned int i915_fbpercrtc;
/* i915_irq.c */
void i915_hangcheck_elapsed(unsigned long data);
+void i915_handle_error(struct drm_device *dev, bool wedged);
extern int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
size_t size);
void i915_gem_free_object(struct drm_gem_object *obj);
-int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
+int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment,
+ bool map_and_fenceable);
void i915_gem_object_unpin(struct drm_gem_object *obj);
int i915_gem_object_unbind(struct drm_gem_object *obj);
void i915_gem_release_mmap(struct drm_gem_object *obj);
int i915_gem_init_ringbuffer(struct drm_device *dev);
void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
int i915_gem_do_init(struct drm_device *dev, unsigned long start,
- unsigned long end);
+ unsigned long mappable_end, unsigned long end);
int i915_gpu_idle(struct drm_device *dev);
int i915_gem_idle(struct drm_device *dev);
-uint32_t i915_add_request(struct drm_device *dev,
- struct drm_file *file_priv,
- struct drm_i915_gem_request *request,
- struct intel_ring_buffer *ring);
+int i915_add_request(struct drm_device *dev,
+ struct drm_file *file_priv,
+ struct drm_i915_gem_request *request,
+ struct intel_ring_buffer *ring);
int i915_do_wait_request(struct drm_device *dev,
uint32_t seqno,
bool interruptible,
void i915_gem_free_all_phys_object(struct drm_device *dev);
void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
-void i915_gem_shrinker_init(void);
-void i915_gem_shrinker_exit(void);
-
/* i915_gem_evict.c */
-int i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned alignment);
-int i915_gem_evict_everything(struct drm_device *dev);
-int i915_gem_evict_inactive(struct drm_device *dev);
+int i915_gem_evict_something(struct drm_device *dev, int min_size,
+ unsigned alignment, bool mappable);
+int i915_gem_evict_everything(struct drm_device *dev, bool purgeable_only);
+int i915_gem_evict_inactive(struct drm_device *dev, bool purgeable_only);
/* i915_gem_tiling.c */
void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object *obj);
-bool i915_tiling_ok(struct drm_device *dev, int stride, int size,
- int tiling_mode);
-bool i915_gem_object_fence_offset_ok(struct drm_gem_object *obj,
- int tiling_mode);
/* i915_gem_debug.c */
void i915_gem_dump_object(struct drm_gem_object *obj, int len,
LOCK_TEST_WITH_RETURN(dev, file_priv); \
} while (0)
-static inline u32 i915_read(struct drm_i915_private *dev_priv, u32 reg)
-{
- u32 val;
+#define I915_READ(reg) i915_read(dev_priv, (reg), 4)
+#define I915_WRITE(reg, val) i915_write(dev_priv, (reg), (val), 4)
+#define I915_READ16(reg) i915_read(dev_priv, (reg), 2)
+#define I915_WRITE16(reg, val) i915_write(dev_priv, (reg), (val), 2)
+#define I915_READ8(reg) i915_read(dev_priv, (reg), 1)
+#define I915_WRITE8(reg, val) i915_write(dev_priv, (reg), (val), 1)
+#define I915_WRITE64(reg, val) i915_write(dev_priv, (reg), (val), 8)
+#define I915_READ64(reg) i915_read(dev_priv, (reg), 8)
+
+#define I915_READ_NOTRACE(reg) readl(dev_priv->regs + (reg))
+#define I915_WRITE_NOTRACE(reg, val) writel(val, dev_priv->regs + (reg))
+#define I915_READ16_NOTRACE(reg) readw(dev_priv->regs + (reg))
+#define I915_WRITE16_NOTRACE(reg, val) writew(val, dev_priv->regs + (reg))
- val = readl(dev_priv->regs + reg);
- if (dev_priv->debug_flags & I915_DEBUG_READ)
- printk(KERN_ERR "read 0x%08x from 0x%08x\n", val, reg);
- return val;
+#define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
+#define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
+
+static inline u32 i915_read(struct drm_i915_private *dev_priv, u32 reg, int len)
+{
+ u64 val = 0;
+
+ switch (len) {
+ case 8:
+ val = readq(dev_priv->regs + reg);
+ break;
+ case 4:
+ val = readl(dev_priv->regs + reg);
+ break;
+ case 2:
+ val = readw(dev_priv->regs + reg);
+ break;
+ case 1:
+ val = readb(dev_priv->regs + reg);
+ break;
+ }
+ trace_i915_reg_rw('R', reg, val, len);
+
+ return val;
}
-static inline void i915_write(struct drm_i915_private *dev_priv, u32 reg,
- u32 val)
+/* On SNB platform, before reading ring registers forcewake bit
+ * must be set to prevent GT core from power down and stale values being
+ * returned.
+ */
+static inline u32 i915_safe_read(struct drm_i915_private *dev_priv, u32 reg)
{
- writel(val, dev_priv->regs + reg);
- if (dev_priv->debug_flags & I915_DEBUG_WRITE)
- printk(KERN_ERR "wrote 0x%08x to 0x%08x\n", val, reg);
+ if (IS_GEN6(dev_priv->dev)) {
+ I915_WRITE_NOTRACE(FORCEWAKE, 1);
+ POSTING_READ(FORCEWAKE);
+ /* XXX How long do we really need to wait here?
+ * Will different registers/engines require different periods?
+ */
+ udelay(100);
+ }
+ return I915_READ(reg);
}
-#define I915_READ(reg) i915_read(dev_priv, (reg))
-#define I915_WRITE(reg, val) i915_write(dev_priv, (reg), (val))
-#define I915_READ16(reg) readw(dev_priv->regs + (reg))
-#define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg))
-#define I915_READ8(reg) readb(dev_priv->regs + (reg))
-#define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg))
-#define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg))
-#define I915_READ64(reg) readq(dev_priv->regs + (reg))
-#define POSTING_READ(reg) (void)I915_READ(reg)
-#define POSTING_READ16(reg) (void)I915_READ16(reg)
-
-#define I915_DEBUG_ENABLE_IO() (dev_priv->debug_flags |= I915_DEBUG_READ | \
- I915_DEBUG_WRITE)
-#define I915_DEBUG_DISABLE_IO() (dev_priv->debug_flags &= ~(I915_DEBUG_READ | \
- I915_DEBUG_WRITE))
-
-#define I915_VERBOSE 0
-
-#define BEGIN_LP_RING(n) do { \
- drm_i915_private_t *dev_priv__ = dev->dev_private; \
- if (I915_VERBOSE) \
- DRM_DEBUG(" BEGIN_LP_RING %x\n", (int)(n)); \
- intel_ring_begin(dev, &dev_priv__->render_ring, (n)); \
-} while (0)
+static inline void
+i915_write(struct drm_i915_private *dev_priv, u32 reg, u64 val, int len)
+{
+ /* Trace down the write operation before the real write */
+ trace_i915_reg_rw('W', reg, val, len);
+ switch (len) {
+ case 8:
+ writeq(val, dev_priv->regs + reg);
+ break;
+ case 4:
+ writel(val, dev_priv->regs + reg);
+ break;
+ case 2:
+ writew(val, dev_priv->regs + reg);
+ break;
+ case 1:
+ writeb(val, dev_priv->regs + reg);
+ break;
+ }
+}
+#define BEGIN_LP_RING(n) \
+ intel_ring_begin(&dev_priv->render_ring, (n))
-#define OUT_RING(x) do { \
- drm_i915_private_t *dev_priv__ = dev->dev_private; \
- if (I915_VERBOSE) \
- DRM_DEBUG(" OUT_RING %x\n", (int)(x)); \
- intel_ring_emit(dev, &dev_priv__->render_ring, x); \
-} while (0)
+#define OUT_RING(x) \
+ intel_ring_emit(&dev_priv->render_ring, x)
-#define ADVANCE_LP_RING() do { \
- drm_i915_private_t *dev_priv__ = dev->dev_private; \
- if (I915_VERBOSE) \
- DRM_DEBUG("ADVANCE_LP_RING %x\n", \
- dev_priv__->render_ring.tail); \
- intel_ring_advance(dev, &dev_priv__->render_ring); \
-} while(0)
+#define ADVANCE_LP_RING() \
+ intel_ring_advance(&dev_priv->render_ring)
/**
* Reads a dword out of the status page, which is written to from the command
#define I915_GEM_HWS_INDEX 0x20
#define I915_BREADCRUMB_INDEX 0x21
-#define INTEL_INFO(dev) (((struct drm_i915_private *) (dev)->dev_private)->info)
-
-#define IS_I830(dev) ((dev)->pci_device == 0x3577)
-#define IS_845G(dev) ((dev)->pci_device == 0x2562)
-#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
-#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
-#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
-#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
-#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
-#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
-#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
-#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
-#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
-#define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
-#define IS_PINEVIEW_G(dev) ((dev)->pci_device == 0xa001)
-#define IS_PINEVIEW_M(dev) ((dev)->pci_device == 0xa011)
-#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
-#define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
-#define IS_IRONLAKE_D(dev) ((dev)->pci_device == 0x0042)
-#define IS_IRONLAKE_M(dev) ((dev)->pci_device == 0x0046)
-#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
-
-#define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
-#define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
-#define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
-#define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
-#define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
-
-#define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring)
-#define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring)
-#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
-
-#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
-#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
-
-/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
- * rows, which changed the alignment requirements and fence programming.
- */
-#define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
- IS_I915GM(dev)))
-#define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev))
-#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev))
-#define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev))
-#define SUPPORTS_EDP(dev) (IS_IRONLAKE_M(dev))
-#define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
-#define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
-/* dsparb controlled by hw only */
-#define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IRONLAKE(dev))
-
-#define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
-#define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
-#define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
-#define I915_HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6)
-
-#define HAS_PCH_SPLIT(dev) (IS_GEN5(dev) || IS_GEN6(dev))
-#define HAS_PIPE_CONTROL(dev) (IS_GEN5(dev) || IS_GEN6(dev))
-
-#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
-#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
-#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
-
-#define PRIMARY_RINGBUFFER_SIZE (128*1024)
-
#endif
#include <linux/pci.h>
#include <linux/intel-gtt.h>
-static uint32_t i915_gem_get_gtt_alignment(struct drm_gem_object *obj);
+struct change_domains {
+ uint32_t invalidate_domains;
+ uint32_t flush_domains;
+ uint32_t flush_rings;
+};
+
+static uint32_t i915_gem_get_gtt_alignment(struct drm_i915_gem_object *obj_priv);
+static uint32_t i915_gem_get_gtt_size(struct drm_i915_gem_object *obj_priv);
static int i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj,
bool pipelined);
static int i915_gem_object_wait_rendering(struct drm_gem_object *obj,
bool interruptible);
static int i915_gem_object_bind_to_gtt(struct drm_gem_object *obj,
- unsigned alignment);
+ unsigned alignment,
+ bool map_and_fenceable);
static void i915_gem_clear_fence_reg(struct drm_gem_object *obj);
static int i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
struct drm_i915_gem_pwrite *args,
struct drm_file *file_priv);
static void i915_gem_free_object_tail(struct drm_gem_object *obj);
-static int
-i915_gem_object_get_pages(struct drm_gem_object *obj,
- gfp_t gfpmask);
-
-static void
-i915_gem_object_put_pages(struct drm_gem_object *obj);
+static int i915_gem_inactive_shrink(struct shrinker *shrinker,
+ int nr_to_scan,
+ gfp_t gfp_mask);
-static LIST_HEAD(shrink_list);
-static DEFINE_SPINLOCK(shrink_list_lock);
/* some bookkeeping */
static void i915_gem_info_add_obj(struct drm_i915_private *dev_priv,
}
static void i915_gem_info_add_gtt(struct drm_i915_private *dev_priv,
- size_t size)
+ struct drm_i915_gem_object *obj)
{
dev_priv->mm.gtt_count++;
- dev_priv->mm.gtt_memory += size;
+ dev_priv->mm.gtt_memory += obj->gtt_space->size;
+ if (obj->gtt_offset < dev_priv->mm.gtt_mappable_end) {
+ dev_priv->mm.mappable_gtt_used +=
+ min_t(size_t, obj->gtt_space->size,
+ dev_priv->mm.gtt_mappable_end - obj->gtt_offset);
+ }
}
static void i915_gem_info_remove_gtt(struct drm_i915_private *dev_priv,
- size_t size)
+ struct drm_i915_gem_object *obj)
{
dev_priv->mm.gtt_count--;
- dev_priv->mm.gtt_memory -= size;
+ dev_priv->mm.gtt_memory -= obj->gtt_space->size;
+ if (obj->gtt_offset < dev_priv->mm.gtt_mappable_end) {
+ dev_priv->mm.mappable_gtt_used -=
+ min_t(size_t, obj->gtt_space->size,
+ dev_priv->mm.gtt_mappable_end - obj->gtt_offset);
+ }
+}
+
+/**
+ * Update the mappable working set counters. Call _only_ when there is a change
+ * in one of (pin|fault)_mappable and update *_mappable _before_ calling.
+ * @mappable: new state the changed mappable flag (either pin_ or fault_).
+ */
+static void
+i915_gem_info_update_mappable(struct drm_i915_private *dev_priv,
+ struct drm_i915_gem_object *obj,
+ bool mappable)
+{
+ if (mappable) {
+ if (obj->pin_mappable && obj->fault_mappable)
+ /* Combined state was already mappable. */
+ return;
+ dev_priv->mm.gtt_mappable_count++;
+ dev_priv->mm.gtt_mappable_memory += obj->gtt_space->size;
+ } else {
+ if (obj->pin_mappable || obj->fault_mappable)
+ /* Combined state still mappable. */
+ return;
+ dev_priv->mm.gtt_mappable_count--;
+ dev_priv->mm.gtt_mappable_memory -= obj->gtt_space->size;
+ }
}
static void i915_gem_info_add_pin(struct drm_i915_private *dev_priv,
- size_t size)
+ struct drm_i915_gem_object *obj,
+ bool mappable)
{
dev_priv->mm.pin_count++;
- dev_priv->mm.pin_memory += size;
+ dev_priv->mm.pin_memory += obj->gtt_space->size;
+ if (mappable) {
+ obj->pin_mappable = true;
+ i915_gem_info_update_mappable(dev_priv, obj, true);
+ }
}
static void i915_gem_info_remove_pin(struct drm_i915_private *dev_priv,
- size_t size)
+ struct drm_i915_gem_object *obj)
{
dev_priv->mm.pin_count--;
- dev_priv->mm.pin_memory -= size;
+ dev_priv->mm.pin_memory -= obj->gtt_space->size;
+ if (obj->pin_mappable) {
+ obj->pin_mappable = false;
+ i915_gem_info_update_mappable(dev_priv, obj, false);
+ }
}
int
int i915_gem_do_init(struct drm_device *dev,
unsigned long start,
+ unsigned long mappable_end,
unsigned long end)
{
drm_i915_private_t *dev_priv = dev->dev_private;
end - start);
dev_priv->mm.gtt_total = end - start;
+ dev_priv->mm.mappable_gtt_total = min(end, mappable_end) - start;
+ dev_priv->mm.gtt_mappable_end = mappable_end;
return 0;
}
int ret;
mutex_lock(&dev->struct_mutex);
- ret = i915_gem_do_init(dev, args->gtt_start, args->gtt_end);
+ ret = i915_gem_do_init(dev, args->gtt_start, args->gtt_end, args->gtt_end);
mutex_unlock(&dev->struct_mutex);
return ret;
return 0;
}
-static inline int
-fast_shmem_read(struct page **pages,
- loff_t page_base, int page_offset,
- char __user *data,
- int length)
-{
- char *vaddr;
- int ret;
-
- vaddr = kmap_atomic(pages[page_base >> PAGE_SHIFT]);
- ret = __copy_to_user_inatomic(data, vaddr + page_offset, length);
- kunmap_atomic(vaddr);
-
- return ret;
-}
-
static int i915_gem_object_needs_bit17_swizzle(struct drm_gem_object *obj)
{
drm_i915_private_t *dev_priv = obj->dev->dev_private;
struct drm_file *file_priv)
{
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+ struct address_space *mapping = obj->filp->f_path.dentry->d_inode->i_mapping;
ssize_t remain;
- loff_t offset, page_base;
+ loff_t offset;
char __user *user_data;
int page_offset, page_length;
offset = args->offset;
while (remain > 0) {
+ struct page *page;
+ char *vaddr;
+ int ret;
+
/* Operation in this page
*
- * page_base = page offset within aperture
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
- page_base = (offset & ~(PAGE_SIZE-1));
page_offset = offset & (PAGE_SIZE-1);
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
- if (fast_shmem_read(obj_priv->pages,
- page_base, page_offset,
- user_data, page_length))
+ page = read_cache_page_gfp(mapping, offset >> PAGE_SHIFT,
+ GFP_HIGHUSER | __GFP_RECLAIMABLE);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
+ vaddr = kmap_atomic(page);
+ ret = __copy_to_user_inatomic(user_data,
+ vaddr + page_offset,
+ page_length);
+ kunmap_atomic(vaddr);
+
+ mark_page_accessed(page);
+ page_cache_release(page);
+ if (ret)
return -EFAULT;
remain -= page_length;
return 0;
}
-static int
-i915_gem_object_get_pages_or_evict(struct drm_gem_object *obj)
-{
- int ret;
-
- ret = i915_gem_object_get_pages(obj, __GFP_NORETRY | __GFP_NOWARN);
-
- /* If we've insufficient memory to map in the pages, attempt
- * to make some space by throwing out some old buffers.
- */
- if (ret == -ENOMEM) {
- struct drm_device *dev = obj->dev;
-
- ret = i915_gem_evict_something(dev, obj->size,
- i915_gem_get_gtt_alignment(obj));
- if (ret)
- return ret;
-
- ret = i915_gem_object_get_pages(obj, 0);
- }
-
- return ret;
-}
-
/**
* This is the fallback shmem pread path, which allocates temporary storage
* in kernel space to copy_to_user into outside of the struct_mutex, so we
struct drm_i915_gem_pread *args,
struct drm_file *file_priv)
{
+ struct address_space *mapping = obj->filp->f_path.dentry->d_inode->i_mapping;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
struct mm_struct *mm = current->mm;
struct page **user_pages;
ssize_t remain;
loff_t offset, pinned_pages, i;
loff_t first_data_page, last_data_page, num_pages;
- int shmem_page_index, shmem_page_offset;
- int data_page_index, data_page_offset;
+ int shmem_page_offset;
+ int data_page_index, data_page_offset;
int page_length;
int ret;
uint64_t data_ptr = args->data_ptr;
offset = args->offset;
while (remain > 0) {
+ struct page *page;
+
/* Operation in this page
*
- * shmem_page_index = page number within shmem file
* shmem_page_offset = offset within page in shmem file
* data_page_index = page number in get_user_pages return
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
- shmem_page_index = offset / PAGE_SIZE;
shmem_page_offset = offset & ~PAGE_MASK;
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
data_page_offset = data_ptr & ~PAGE_MASK;
if ((data_page_offset + page_length) > PAGE_SIZE)
page_length = PAGE_SIZE - data_page_offset;
+ page = read_cache_page_gfp(mapping, offset >> PAGE_SHIFT,
+ GFP_HIGHUSER | __GFP_RECLAIMABLE);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
if (do_bit17_swizzling) {
- slow_shmem_bit17_copy(obj_priv->pages[shmem_page_index],
+ slow_shmem_bit17_copy(page,
shmem_page_offset,
user_pages[data_page_index],
data_page_offset,
} else {
slow_shmem_copy(user_pages[data_page_index],
data_page_offset,
- obj_priv->pages[shmem_page_index],
+ page,
shmem_page_offset,
page_length);
}
+ mark_page_accessed(page);
+ page_cache_release(page);
+
remain -= page_length;
data_ptr += page_length;
offset += page_length;
out:
for (i = 0; i < pinned_pages; i++) {
SetPageDirty(user_pages[i]);
+ mark_page_accessed(user_pages[i]);
page_cache_release(user_pages[i]);
}
drm_free_large(user_pages);
goto out;
}
- ret = i915_gem_object_get_pages_or_evict(obj);
- if (ret)
- goto out;
-
ret = i915_gem_object_set_cpu_read_domain_range(obj,
args->offset,
args->size);
if (ret)
- goto out_put;
+ goto out;
ret = -EFAULT;
if (!i915_gem_object_needs_bit17_swizzle(obj))
if (ret == -EFAULT)
ret = i915_gem_shmem_pread_slow(dev, obj, args, file_priv);
-out_put:
- i915_gem_object_put_pages(obj);
out:
drm_gem_object_unreference(obj);
unlock:
io_mapping_unmap(dst_vaddr);
}
-static inline int
-fast_shmem_write(struct page **pages,
- loff_t page_base, int page_offset,
- char __user *data,
- int length)
-{
- char *vaddr;
- int ret;
-
- vaddr = kmap_atomic(pages[page_base >> PAGE_SHIFT]);
- ret = __copy_from_user_inatomic(vaddr + page_offset, data, length);
- kunmap_atomic(vaddr);
-
- return ret;
-}
-
/**
* This is the fast pwrite path, where we copy the data directly from the
* user into the GTT, uncached.
struct drm_i915_gem_pwrite *args,
struct drm_file *file_priv)
{
+ struct address_space *mapping = obj->filp->f_path.dentry->d_inode->i_mapping;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
ssize_t remain;
- loff_t offset, page_base;
+ loff_t offset;
char __user *user_data;
int page_offset, page_length;
obj_priv->dirty = 1;
while (remain > 0) {
+ struct page *page;
+ char *vaddr;
+ int ret;
+
/* Operation in this page
*
- * page_base = page offset within aperture
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
- page_base = (offset & ~(PAGE_SIZE-1));
page_offset = offset & (PAGE_SIZE-1);
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
- if (fast_shmem_write(obj_priv->pages,
- page_base, page_offset,
- user_data, page_length))
+ page = read_cache_page_gfp(mapping, offset >> PAGE_SHIFT,
+ GFP_HIGHUSER | __GFP_RECLAIMABLE);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
+ vaddr = kmap_atomic(page, KM_USER0);
+ ret = __copy_from_user_inatomic(vaddr + page_offset,
+ user_data,
+ page_length);
+ kunmap_atomic(vaddr, KM_USER0);
+
+ set_page_dirty(page);
+ mark_page_accessed(page);
+ page_cache_release(page);
+
+ /* If we get a fault while copying data, then (presumably) our
+ * source page isn't available. Return the error and we'll
+ * retry in the slow path.
+ */
+ if (ret)
return -EFAULT;
remain -= page_length;
struct drm_i915_gem_pwrite *args,
struct drm_file *file_priv)
{
+ struct address_space *mapping = obj->filp->f_path.dentry->d_inode->i_mapping;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
struct mm_struct *mm = current->mm;
struct page **user_pages;
ssize_t remain;
loff_t offset, pinned_pages, i;
loff_t first_data_page, last_data_page, num_pages;
- int shmem_page_index, shmem_page_offset;
+ int shmem_page_offset;
int data_page_index, data_page_offset;
int page_length;
int ret;
obj_priv->dirty = 1;
while (remain > 0) {
+ struct page *page;
+
/* Operation in this page
*
- * shmem_page_index = page number within shmem file
* shmem_page_offset = offset within page in shmem file
* data_page_index = page number in get_user_pages return
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
- shmem_page_index = offset / PAGE_SIZE;
shmem_page_offset = offset & ~PAGE_MASK;
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
data_page_offset = data_ptr & ~PAGE_MASK;
if ((data_page_offset + page_length) > PAGE_SIZE)
page_length = PAGE_SIZE - data_page_offset;
+ page = read_cache_page_gfp(mapping, offset >> PAGE_SHIFT,
+ GFP_HIGHUSER | __GFP_RECLAIMABLE);
+ if (IS_ERR(page)) {
+ ret = PTR_ERR(page);
+ goto out;
+ }
+
if (do_bit17_swizzling) {
- slow_shmem_bit17_copy(obj_priv->pages[shmem_page_index],
+ slow_shmem_bit17_copy(page,
shmem_page_offset,
user_pages[data_page_index],
data_page_offset,
page_length,
0);
} else {
- slow_shmem_copy(obj_priv->pages[shmem_page_index],
+ slow_shmem_copy(page,
shmem_page_offset,
user_pages[data_page_index],
data_page_offset,
page_length);
}
+ set_page_dirty(page);
+ mark_page_accessed(page);
+ page_cache_release(page);
+
remain -= page_length;
data_ptr += page_length;
offset += page_length;
else if (obj_priv->tiling_mode == I915_TILING_NONE &&
obj_priv->gtt_space &&
obj->write_domain != I915_GEM_DOMAIN_CPU) {
- ret = i915_gem_object_pin(obj, 0);
+ ret = i915_gem_object_pin(obj, 0, true);
if (ret)
goto out;
out_unpin:
i915_gem_object_unpin(obj);
} else {
- ret = i915_gem_object_get_pages_or_evict(obj);
- if (ret)
- goto out;
-
ret = i915_gem_object_set_to_cpu_domain(obj, 1);
if (ret)
- goto out_put;
+ goto out;
ret = -EFAULT;
if (!i915_gem_object_needs_bit17_swizzle(obj))
ret = i915_gem_shmem_pwrite_fast(dev, obj, args, file);
if (ret == -EFAULT)
ret = i915_gem_shmem_pwrite_slow(dev, obj, args, file);
-
-out_put:
- i915_gem_object_put_pages(obj);
}
out:
i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_mmap *args = data;
struct drm_gem_object *obj;
loff_t offset;
if (obj == NULL)
return -ENOENT;
+ if (obj->size > dev_priv->mm.gtt_mappable_end) {
+ drm_gem_object_unreference_unlocked(obj);
+ return -E2BIG;
+ }
+
offset = args->offset;
down_write(¤t->mm->mmap_sem);
/* Now bind it into the GTT if needed */
mutex_lock(&dev->struct_mutex);
+ BUG_ON(obj_priv->pin_count && !obj_priv->pin_mappable);
+
+ if (obj_priv->gtt_space) {
+ if (!obj_priv->map_and_fenceable) {
+ ret = i915_gem_object_unbind(obj);
+ if (ret)
+ goto unlock;
+ }
+ }
+
if (!obj_priv->gtt_space) {
- ret = i915_gem_object_bind_to_gtt(obj, 0);
+ ret = i915_gem_object_bind_to_gtt(obj, 0, true);
if (ret)
goto unlock;
+ }
- ret = i915_gem_object_set_to_gtt_domain(obj, write);
- if (ret)
- goto unlock;
+ ret = i915_gem_object_set_to_gtt_domain(obj, write);
+ if (ret)
+ goto unlock;
+
+ if (!obj_priv->fault_mappable) {
+ obj_priv->fault_mappable = true;
+ i915_gem_info_update_mappable(dev_priv, obj_priv, true);
}
/* Need a new fence register? */
mutex_unlock(&dev->struct_mutex);
switch (ret) {
+ case -EAGAIN:
+ set_need_resched();
case 0:
case -ERESTARTSYS:
return VM_FAULT_NOPAGE;
case -ENOMEM:
- case -EAGAIN:
return VM_FAULT_OOM;
default:
return VM_FAULT_SIGBUS;
{
struct drm_device *dev = obj->dev;
struct drm_gem_mm *mm = dev->mm_private;
- struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
struct drm_map_list *list;
struct drm_local_map *map;
int ret = 0;
goto out_free_mm;
}
- /* By now we should be all set, any drm_mmap request on the offset
- * below will get to our mmap & fault handler */
- obj_priv->mmap_offset = ((uint64_t) list->hash.key) << PAGE_SHIFT;
-
return 0;
out_free_mm:
drm_mm_put_block(list->file_offset_node);
out_free_list:
kfree(list->map);
+ list->map = NULL;
return ret;
}
i915_gem_release_mmap(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- if (dev->dev_mapping)
+ if (unlikely(obj->map_list.map && dev->dev_mapping))
unmap_mapping_range(dev->dev_mapping,
- obj_priv->mmap_offset, obj->size, 1);
+ (loff_t)obj->map_list.hash.key<<PAGE_SHIFT,
+ obj->size, 1);
+
+ if (obj_priv->fault_mappable) {
+ obj_priv->fault_mappable = false;
+ i915_gem_info_update_mappable(dev_priv, obj_priv, false);
+ }
}
static void
i915_gem_free_mmap_offset(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
- struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
struct drm_gem_mm *mm = dev->mm_private;
- struct drm_map_list *list;
+ struct drm_map_list *list = &obj->map_list;
- list = &obj->map_list;
drm_ht_remove_item(&mm->offset_hash, &list->hash);
-
- if (list->file_offset_node) {
- drm_mm_put_block(list->file_offset_node);
- list->file_offset_node = NULL;
- }
-
- if (list->map) {
- kfree(list->map);
- list->map = NULL;
- }
-
- obj_priv->mmap_offset = 0;
+ drm_mm_put_block(list->file_offset_node);
+ kfree(list->map);
+ list->map = NULL;
}
/**
* @obj: object to check
*
* Return the required GTT alignment for an object, taking into account
- * potential fence register mapping if needed.
+ * potential fence register mapping.
*/
static uint32_t
-i915_gem_get_gtt_alignment(struct drm_gem_object *obj)
+i915_gem_get_gtt_alignment(struct drm_i915_gem_object *obj_priv)
{
- struct drm_device *dev = obj->dev;
- struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- int start, i;
+ struct drm_device *dev = obj_priv->base.dev;
/*
* Minimum alignment is 4k (GTT page size), but might be greater
* if a fence register is needed for the object.
*/
- if (INTEL_INFO(dev)->gen >= 4 || obj_priv->tiling_mode == I915_TILING_NONE)
+ if (INTEL_INFO(dev)->gen >= 4 ||
+ obj_priv->tiling_mode == I915_TILING_NONE)
return 4096;
+ /*
+ * Previous chips need to be aligned to the size of the smallest
+ * fence register that can contain the object.
+ */
+ return i915_gem_get_gtt_size(obj_priv);
+}
+
+/**
+ * i915_gem_get_unfenced_gtt_alignment - return required GTT alignment for an
+ * unfenced object
+ * @obj: object to check
+ *
+ * Return the required GTT alignment for an object, only taking into account
+ * unfenced tiled surface requirements.
+ */
+static uint32_t
+i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj_priv)
+{
+ struct drm_device *dev = obj_priv->base.dev;
+ int tile_height;
+
+ /*
+ * Minimum alignment is 4k (GTT page size) for sane hw.
+ */
+ if (INTEL_INFO(dev)->gen >= 4 || IS_G33(dev) ||
+ obj_priv->tiling_mode == I915_TILING_NONE)
+ return 4096;
+
+ /*
+ * Older chips need unfenced tiled buffers to be aligned to the left
+ * edge of an even tile row (where tile rows are counted as if the bo is
+ * placed in a fenced gtt region).
+ */
+ if (IS_GEN2(dev) ||
+ (obj_priv->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)))
+ tile_height = 32;
+ else
+ tile_height = 8;
+
+ return tile_height * obj_priv->stride * 2;
+}
+
+static uint32_t
+i915_gem_get_gtt_size(struct drm_i915_gem_object *obj_priv)
+{
+ struct drm_device *dev = obj_priv->base.dev;
+ uint32_t size;
+
+ /*
+ * Minimum alignment is 4k (GTT page size), but might be greater
+ * if a fence register is needed for the object.
+ */
+ if (INTEL_INFO(dev)->gen >= 4)
+ return obj_priv->base.size;
+
/*
* Previous chips need to be aligned to the size of the smallest
* fence register that can contain the object.
*/
if (INTEL_INFO(dev)->gen == 3)
- start = 1024*1024;
+ size = 1024*1024;
else
- start = 512*1024;
+ size = 512*1024;
- for (i = start; i < obj->size; i <<= 1)
- ;
+ while (size < obj_priv->base.size)
+ size <<= 1;
- return i;
+ return size;
}
/**
i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_mmap_gtt *args = data;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
}
obj_priv = to_intel_bo(obj);
+ if (obj->size > dev_priv->mm.gtt_mappable_end) {
+ ret = -E2BIG;
+ goto unlock;
+ }
+
if (obj_priv->madv != I915_MADV_WILLNEED) {
DRM_ERROR("Attempting to mmap a purgeable buffer\n");
ret = -EINVAL;
goto out;
}
- if (!obj_priv->mmap_offset) {
+ if (!obj->map_list.map) {
ret = i915_gem_create_mmap_offset(obj);
if (ret)
goto out;
}
- args->offset = obj_priv->mmap_offset;
-
- /*
- * Pull it into the GTT so that we have a page list (makes the
- * initial fault faster and any subsequent flushing possible).
- */
- if (!obj_priv->agp_mem) {
- ret = i915_gem_object_bind_to_gtt(obj, 0);
- if (ret)
- goto out;
- }
+ args->offset = (u64)obj->map_list.hash.key << PAGE_SHIFT;
out:
drm_gem_object_unreference(obj);
return ret;
}
+static int
+i915_gem_object_get_pages_gtt(struct drm_gem_object *obj,
+ gfp_t gfpmask)
+{
+ struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+ int page_count, i;
+ struct address_space *mapping;
+ struct inode *inode;
+ struct page *page;
+
+ /* Get the list of pages out of our struct file. They'll be pinned
+ * at this point until we release them.
+ */
+ page_count = obj->size / PAGE_SIZE;
+ BUG_ON(obj_priv->pages != NULL);
+ obj_priv->pages = drm_malloc_ab(page_count, sizeof(struct page *));
+ if (obj_priv->pages == NULL)
+ return -ENOMEM;
+
+ inode = obj->filp->f_path.dentry->d_inode;
+ mapping = inode->i_mapping;
+ for (i = 0; i < page_count; i++) {
+ page = read_cache_page_gfp(mapping, i,
+ GFP_HIGHUSER |
+ __GFP_COLD |
+ __GFP_RECLAIMABLE |
+ gfpmask);
+ if (IS_ERR(page))
+ goto err_pages;
+
+ obj_priv->pages[i] = page;
+ }
+
+ if (obj_priv->tiling_mode != I915_TILING_NONE)
+ i915_gem_object_do_bit_17_swizzle(obj);
+
+ return 0;
+
+err_pages:
+ while (i--)
+ page_cache_release(obj_priv->pages[i]);
+
+ drm_free_large(obj_priv->pages);
+ obj_priv->pages = NULL;
+ return PTR_ERR(page);
+}
+
static void
-i915_gem_object_put_pages(struct drm_gem_object *obj)
+i915_gem_object_put_pages_gtt(struct drm_gem_object *obj)
{
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
int page_count = obj->size / PAGE_SIZE;
int i;
- BUG_ON(obj_priv->pages_refcount == 0);
BUG_ON(obj_priv->madv == __I915_MADV_PURGED);
- if (--obj_priv->pages_refcount != 0)
- return;
-
if (obj_priv->tiling_mode != I915_TILING_NONE)
i915_gem_object_save_bit_17_swizzle(obj);
struct intel_ring_buffer *ring)
{
drm_i915_private_t *dev_priv = dev->dev_private;
-
- ring->outstanding_lazy_request = true;
- return dev_priv->next_seqno;
+ return ring->outstanding_lazy_request = dev_priv->next_seqno;
}
static void
}
}
-uint32_t
+int
i915_add_request(struct drm_device *dev,
struct drm_file *file,
struct drm_i915_gem_request *request,
struct drm_i915_file_private *file_priv = NULL;
uint32_t seqno;
int was_empty;
+ int ret;
+
+ BUG_ON(request == NULL);
if (file != NULL)
file_priv = file->driver_priv;
- if (request == NULL) {
- request = kzalloc(sizeof(*request), GFP_KERNEL);
- if (request == NULL)
- return 0;
- }
+ ret = ring->add_request(ring, &seqno);
+ if (ret)
+ return ret;
- seqno = ring->add_request(dev, ring, 0);
ring->outstanding_lazy_request = false;
request->seqno = seqno;
queue_delayed_work(dev_priv->wq,
&dev_priv->mm.retire_work, HZ);
}
- return seqno;
+ return 0;
}
/**
if (INTEL_INFO(dev)->gen >= 4)
flush_domains |= I915_GEM_DOMAIN_SAMPLER;
- ring->flush(dev, ring,
- I915_GEM_DOMAIN_COMMAND, flush_domains);
+ ring->flush(ring, I915_GEM_DOMAIN_COMMAND, flush_domains);
}
static inline void
WARN_ON(i915_verify_lists(dev));
- seqno = ring->get_seqno(dev, ring);
+ seqno = ring->get_seqno(ring);
while (!list_empty(&ring->request_list)) {
struct drm_i915_gem_request *request;
if (unlikely (dev_priv->trace_irq_seqno &&
i915_seqno_passed(dev_priv->trace_irq_seqno, seqno))) {
- ring->user_irq_put(dev, ring);
+ ring->user_irq_put(ring);
dev_priv->trace_irq_seqno = 0;
}
if (atomic_read(&dev_priv->mm.wedged))
return -EAGAIN;
- if (ring->outstanding_lazy_request) {
- seqno = i915_add_request(dev, NULL, NULL, ring);
- if (seqno == 0)
+ if (seqno == ring->outstanding_lazy_request) {
+ struct drm_i915_gem_request *request;
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL)
return -ENOMEM;
+
+ ret = i915_add_request(dev, NULL, request, ring);
+ if (ret) {
+ kfree(request);
+ return ret;
+ }
+
+ seqno = request->seqno;
}
- BUG_ON(seqno == dev_priv->next_seqno);
- if (!i915_seqno_passed(ring->get_seqno(dev, ring), seqno)) {
+ if (!i915_seqno_passed(ring->get_seqno(ring), seqno)) {
if (HAS_PCH_SPLIT(dev))
ier = I915_READ(DEIER) | I915_READ(GTIER);
else
trace_i915_gem_request_wait_begin(dev, seqno);
- ring->waiting_gem_seqno = seqno;
- ring->user_irq_get(dev, ring);
+ ring->waiting_seqno = seqno;
+ ring->user_irq_get(ring);
if (interruptible)
ret = wait_event_interruptible(ring->irq_queue,
- i915_seqno_passed(
- ring->get_seqno(dev, ring), seqno)
+ i915_seqno_passed(ring->get_seqno(ring), seqno)
|| atomic_read(&dev_priv->mm.wedged));
else
wait_event(ring->irq_queue,
- i915_seqno_passed(
- ring->get_seqno(dev, ring), seqno)
+ i915_seqno_passed(ring->get_seqno(ring), seqno)
|| atomic_read(&dev_priv->mm.wedged));
- ring->user_irq_put(dev, ring);
- ring->waiting_gem_seqno = 0;
+ ring->user_irq_put(ring);
+ ring->waiting_seqno = 0;
trace_i915_gem_request_wait_end(dev, seqno);
}
if (ret && ret != -ERESTARTSYS)
DRM_ERROR("%s returns %d (awaiting %d at %d, next %d)\n",
- __func__, ret, seqno, ring->get_seqno(dev, ring),
+ __func__, ret, seqno, ring->get_seqno(ring),
dev_priv->next_seqno);
/* Directly dispatch request retiring. While we have the work queue
uint32_t invalidate_domains,
uint32_t flush_domains)
{
- ring->flush(dev, ring, invalidate_domains, flush_domains);
+ ring->flush(ring, invalidate_domains, flush_domains);
i915_gem_process_flushing_list(dev, flush_domains, ring);
}
drm_unbind_agp(obj_priv->agp_mem);
drm_free_agp(obj_priv->agp_mem, obj->size / PAGE_SIZE);
- i915_gem_object_put_pages(obj);
- BUG_ON(obj_priv->pages_refcount);
+ i915_gem_object_put_pages_gtt(obj);
- i915_gem_info_remove_gtt(dev_priv, obj->size);
+ i915_gem_info_remove_gtt(dev_priv, obj_priv);
list_del_init(&obj_priv->mm_list);
+ /* Avoid an unnecessary call to unbind on rebind. */
+ obj_priv->map_and_fenceable = true;
drm_mm_put_block(obj_priv->gtt_space);
obj_priv->gtt_space = NULL;
return 0;
}
-static int
-i915_gem_object_get_pages(struct drm_gem_object *obj,
- gfp_t gfpmask)
+static void sandybridge_write_fence_reg(struct drm_gem_object *obj)
{
- struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- int page_count, i;
- struct address_space *mapping;
- struct inode *inode;
- struct page *page;
-
- BUG_ON(obj_priv->pages_refcount
- == DRM_I915_GEM_OBJECT_MAX_PAGES_REFCOUNT);
-
- if (obj_priv->pages_refcount++ != 0)
- return 0;
-
- /* Get the list of pages out of our struct file. They'll be pinned
- * at this point until we release them.
- */
- page_count = obj->size / PAGE_SIZE;
- BUG_ON(obj_priv->pages != NULL);
- obj_priv->pages = drm_calloc_large(page_count, sizeof(struct page *));
- if (obj_priv->pages == NULL) {
- obj_priv->pages_refcount--;
- return -ENOMEM;
- }
-
- inode = obj->filp->f_path.dentry->d_inode;
- mapping = inode->i_mapping;
- for (i = 0; i < page_count; i++) {
- page = read_cache_page_gfp(mapping, i,
- GFP_HIGHUSER |
- __GFP_COLD |
- __GFP_RECLAIMABLE |
- gfpmask);
- if (IS_ERR(page))
- goto err_pages;
-
- obj_priv->pages[i] = page;
- }
-
- if (obj_priv->tiling_mode != I915_TILING_NONE)
- i915_gem_object_do_bit_17_swizzle(obj);
-
- return 0;
-
-err_pages:
- while (i--)
- page_cache_release(obj_priv->pages[i]);
-
- drm_free_large(obj_priv->pages);
- obj_priv->pages = NULL;
- obj_priv->pages_refcount--;
- return PTR_ERR(page);
-}
-
-static void sandybridge_write_fence_reg(struct drm_i915_fence_reg *reg)
-{
- struct drm_gem_object *obj = reg->obj;
struct drm_device *dev = obj->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+ u32 size = i915_gem_get_gtt_size(obj_priv);
int regnum = obj_priv->fence_reg;
uint64_t val;
- val = (uint64_t)((obj_priv->gtt_offset + obj->size - 4096) &
+ val = (uint64_t)((obj_priv->gtt_offset + size - 4096) &
0xfffff000) << 32;
val |= obj_priv->gtt_offset & 0xfffff000;
val |= (uint64_t)((obj_priv->stride / 128) - 1) <<
I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (regnum * 8), val);
}
-static void i965_write_fence_reg(struct drm_i915_fence_reg *reg)
+static void i965_write_fence_reg(struct drm_gem_object *obj)
{
- struct drm_gem_object *obj = reg->obj;
struct drm_device *dev = obj->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+ u32 size = i915_gem_get_gtt_size(obj_priv);
int regnum = obj_priv->fence_reg;
uint64_t val;
- val = (uint64_t)((obj_priv->gtt_offset + obj->size - 4096) &
+ val = (uint64_t)((obj_priv->gtt_offset + size - 4096) &
0xfffff000) << 32;
val |= obj_priv->gtt_offset & 0xfffff000;
val |= ((obj_priv->stride / 128) - 1) << I965_FENCE_PITCH_SHIFT;
I915_WRITE64(FENCE_REG_965_0 + (regnum * 8), val);
}
-static void i915_write_fence_reg(struct drm_i915_fence_reg *reg)
+static void i915_write_fence_reg(struct drm_gem_object *obj)
{
- struct drm_gem_object *obj = reg->obj;
struct drm_device *dev = obj->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- int regnum = obj_priv->fence_reg;
+ u32 size = i915_gem_get_gtt_size(obj_priv);
+ uint32_t fence_reg, val, pitch_val;
int tile_width;
- uint32_t fence_reg, val;
- uint32_t pitch_val;
if ((obj_priv->gtt_offset & ~I915_FENCE_START_MASK) ||
- (obj_priv->gtt_offset & (obj->size - 1))) {
- WARN(1, "%s: object 0x%08x not 1M or size (0x%zx) aligned\n",
- __func__, obj_priv->gtt_offset, obj->size);
+ (obj_priv->gtt_offset & (size - 1))) {
+ WARN(1, "%s: object 0x%08x [fenceable? %d] not 1M or size (0x%08x) aligned [gtt_space offset=%lx, size=%lx]\n",
+ __func__, obj_priv->gtt_offset, obj_priv->map_and_fenceable, size,
+ obj_priv->gtt_space->start, obj_priv->gtt_space->size);
return;
}
val = obj_priv->gtt_offset;
if (obj_priv->tiling_mode == I915_TILING_Y)
val |= 1 << I830_FENCE_TILING_Y_SHIFT;
- val |= I915_FENCE_SIZE_BITS(obj->size);
+ val |= I915_FENCE_SIZE_BITS(size);
val |= pitch_val << I830_FENCE_PITCH_SHIFT;
val |= I830_FENCE_REG_VALID;
- if (regnum < 8)
- fence_reg = FENCE_REG_830_0 + (regnum * 4);
+ fence_reg = obj_priv->fence_reg;
+ if (fence_reg < 8)
+ fence_reg = FENCE_REG_830_0 + fence_reg * 4;
else
- fence_reg = FENCE_REG_945_8 + ((regnum - 8) * 4);
+ fence_reg = FENCE_REG_945_8 + (fence_reg - 8) * 4;
I915_WRITE(fence_reg, val);
}
-static void i830_write_fence_reg(struct drm_i915_fence_reg *reg)
+static void i830_write_fence_reg(struct drm_gem_object *obj)
{
- struct drm_gem_object *obj = reg->obj;
struct drm_device *dev = obj->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+ u32 size = i915_gem_get_gtt_size(obj_priv);
int regnum = obj_priv->fence_reg;
uint32_t val;
uint32_t pitch_val;
val = obj_priv->gtt_offset;
if (obj_priv->tiling_mode == I915_TILING_Y)
val |= 1 << I830_FENCE_TILING_Y_SHIFT;
- fence_size_bits = I830_FENCE_SIZE_BITS(obj->size);
+ fence_size_bits = I830_FENCE_SIZE_BITS(size);
WARN_ON(fence_size_bits & ~0x00000f00);
val |= fence_size_bits;
val |= pitch_val << I830_FENCE_PITCH_SHIFT;
static int i915_find_fence_reg(struct drm_device *dev,
bool interruptible)
{
- struct drm_i915_fence_reg *reg = NULL;
- struct drm_i915_gem_object *obj_priv = NULL;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_gem_object *obj = NULL;
+ struct drm_i915_fence_reg *reg;
+ struct drm_i915_gem_object *obj_priv = NULL;
int i, avail, ret;
/* First try to find a free reg */
return -ENOSPC;
/* None available, try to steal one or wait for a user to finish */
- i = I915_FENCE_REG_NONE;
+ avail = I915_FENCE_REG_NONE;
list_for_each_entry(reg, &dev_priv->mm.fence_list,
lru_list) {
- obj = reg->obj;
- obj_priv = to_intel_bo(obj);
-
+ obj_priv = to_intel_bo(reg->obj);
if (obj_priv->pin_count)
continue;
/* found one! */
- i = obj_priv->fence_reg;
+ avail = obj_priv->fence_reg;
break;
}
- BUG_ON(i == I915_FENCE_REG_NONE);
+ BUG_ON(avail == I915_FENCE_REG_NONE);
/* We only have a reference on obj from the active list. put_fence_reg
* might drop that one, causing a use-after-free in it. So hold a
* private reference to obj like the other callers of put_fence_reg
* (set_tiling ioctl) do. */
- drm_gem_object_reference(obj);
- ret = i915_gem_object_put_fence_reg(obj, interruptible);
- drm_gem_object_unreference(obj);
+ drm_gem_object_reference(&obj_priv->base);
+ ret = i915_gem_object_put_fence_reg(&obj_priv->base, interruptible);
+ drm_gem_object_unreference(&obj_priv->base);
if (ret != 0)
return ret;
- return i;
+ return avail;
}
/**
switch (INTEL_INFO(dev)->gen) {
case 6:
- sandybridge_write_fence_reg(reg);
+ sandybridge_write_fence_reg(obj);
break;
case 5:
case 4:
- i965_write_fence_reg(reg);
+ i965_write_fence_reg(obj);
break;
case 3:
- i915_write_fence_reg(reg);
+ i915_write_fence_reg(obj);
break;
case 2:
- i830_write_fence_reg(reg);
+ i830_write_fence_reg(obj);
break;
}
- trace_i915_gem_object_get_fence(obj, obj_priv->fence_reg,
- obj_priv->tiling_mode);
+ trace_i915_gem_object_get_fence(obj,
+ obj_priv->fence_reg,
+ obj_priv->tiling_mode);
return 0;
}
* Finds free space in the GTT aperture and binds the object there.
*/
static int
-i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
+i915_gem_object_bind_to_gtt(struct drm_gem_object *obj,
+ unsigned alignment,
+ bool map_and_fenceable)
{
struct drm_device *dev = obj->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
struct drm_mm_node *free_space;
- gfp_t gfpmask = __GFP_NORETRY | __GFP_NOWARN;
+ gfp_t gfpmask = __GFP_NORETRY | __GFP_NOWARN;
+ u32 size, fence_size, fence_alignment, unfenced_alignment;
+ bool mappable, fenceable;
int ret;
if (obj_priv->madv != I915_MADV_WILLNEED) {
return -EINVAL;
}
+ fence_size = i915_gem_get_gtt_size(obj_priv);
+ fence_alignment = i915_gem_get_gtt_alignment(obj_priv);
+ unfenced_alignment = i915_gem_get_unfenced_gtt_alignment(obj_priv);
+
if (alignment == 0)
- alignment = i915_gem_get_gtt_alignment(obj);
- if (alignment & (i915_gem_get_gtt_alignment(obj) - 1)) {
+ alignment = map_and_fenceable ? fence_alignment :
+ unfenced_alignment;
+ if (map_and_fenceable && alignment & (fence_alignment - 1)) {
DRM_ERROR("Invalid object alignment requested %u\n", alignment);
return -EINVAL;
}
+ size = map_and_fenceable ? fence_size : obj->size;
+
/* If the object is bigger than the entire aperture, reject it early
* before evicting everything in a vain attempt to find space.
*/
- if (obj->size > dev_priv->mm.gtt_total) {
+ if (obj->size >
+ (map_and_fenceable ? dev_priv->mm.gtt_mappable_end : dev_priv->mm.gtt_total)) {
DRM_ERROR("Attempting to bind an object larger than the aperture\n");
return -E2BIG;
}
search_free:
- free_space = drm_mm_search_free(&dev_priv->mm.gtt_space,
- obj->size, alignment, 0);
- if (free_space != NULL)
- obj_priv->gtt_space = drm_mm_get_block(free_space, obj->size,
- alignment);
+ if (map_and_fenceable)
+ free_space =
+ drm_mm_search_free_in_range(&dev_priv->mm.gtt_space,
+ size, alignment, 0,
+ dev_priv->mm.gtt_mappable_end,
+ 0);
+ else
+ free_space = drm_mm_search_free(&dev_priv->mm.gtt_space,
+ size, alignment, 0);
+
+ if (free_space != NULL) {
+ if (map_and_fenceable)
+ obj_priv->gtt_space =
+ drm_mm_get_block_range_generic(free_space,
+ size, alignment, 0,
+ dev_priv->mm.gtt_mappable_end,
+ 0);
+ else
+ obj_priv->gtt_space =
+ drm_mm_get_block(free_space, size, alignment);
+ }
if (obj_priv->gtt_space == NULL) {
/* If the gtt is empty and we're still having trouble
* fitting our object in, we're out of memory.
*/
- ret = i915_gem_evict_something(dev, obj->size, alignment);
+ ret = i915_gem_evict_something(dev, size, alignment,
+ map_and_fenceable);
if (ret)
return ret;
goto search_free;
}
- ret = i915_gem_object_get_pages(obj, gfpmask);
+ ret = i915_gem_object_get_pages_gtt(obj, gfpmask);
if (ret) {
drm_mm_put_block(obj_priv->gtt_space);
obj_priv->gtt_space = NULL;
if (ret == -ENOMEM) {
/* first try to clear up some space from the GTT */
- ret = i915_gem_evict_something(dev, obj->size,
- alignment);
+ ret = i915_gem_evict_something(dev, size,
+ alignment,
+ map_and_fenceable);
if (ret) {
/* now try to shrink everyone else */
if (gfpmask) {
obj_priv->gtt_space->start,
obj_priv->agp_type);
if (obj_priv->agp_mem == NULL) {
- i915_gem_object_put_pages(obj);
+ i915_gem_object_put_pages_gtt(obj);
drm_mm_put_block(obj_priv->gtt_space);
obj_priv->gtt_space = NULL;
- ret = i915_gem_evict_something(dev, obj->size, alignment);
+ ret = i915_gem_evict_something(dev, size,
+ alignment, map_and_fenceable);
if (ret)
return ret;
goto search_free;
}
+ obj_priv->gtt_offset = obj_priv->gtt_space->start;
+
/* keep track of bounds object by adding it to the inactive list */
list_add_tail(&obj_priv->mm_list, &dev_priv->mm.inactive_list);
- i915_gem_info_add_gtt(dev_priv, obj->size);
+ i915_gem_info_add_gtt(dev_priv, obj_priv);
/* Assert that the object is not currently in any GPU domain. As it
* wasn't in the GTT, there shouldn't be any way it could have been in
BUG_ON(obj->read_domains & I915_GEM_GPU_DOMAINS);
BUG_ON(obj->write_domain & I915_GEM_GPU_DOMAINS);
- obj_priv->gtt_offset = obj_priv->gtt_space->start;
- trace_i915_gem_object_bind(obj, obj_priv->gtt_offset);
+ trace_i915_gem_object_bind(obj, obj_priv->gtt_offset, map_and_fenceable);
+
+ fenceable =
+ obj_priv->gtt_space->size == fence_size &&
+ (obj_priv->gtt_space->start & (fence_alignment -1)) == 0;
+
+ mappable =
+ obj_priv->gtt_offset + obj->size <= dev_priv->mm.gtt_mappable_end;
+
+ obj_priv->map_and_fenceable = mappable && fenceable;
return 0;
}
bool pipelined)
{
struct drm_device *dev = obj->dev;
- uint32_t old_write_domain;
if ((obj->write_domain & I915_GEM_GPU_DOMAINS) == 0)
return 0;
/* Queue the GPU write cache flushing we need. */
- old_write_domain = obj->write_domain;
i915_gem_flush_ring(dev, NULL,
to_intel_bo(obj)->ring,
0, obj->write_domain);
BUG_ON(obj->write_domain);
- trace_i915_gem_object_change_domain(obj,
- obj->read_domains,
- old_write_domain);
-
if (pipelined)
return 0;
* to it immediately go to main memory as far as we know, so there's
* no chipset flush. It also doesn't land in render cache.
*/
+ i915_gem_release_mmap(obj);
+
old_write_domain = obj->write_domain;
obj->write_domain = 0;
*/
static void
i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj,
- struct intel_ring_buffer *ring)
+ struct intel_ring_buffer *ring,
+ struct change_domains *cd)
{
- struct drm_device *dev = obj->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
uint32_t invalidate_domains = 0;
uint32_t flush_domains = 0;
- uint32_t old_read_domains;
-
- intel_mark_busy(dev, obj);
/*
* If the object isn't moving to a new write domain,
*/
if (obj->pending_write_domain == 0)
obj->pending_read_domains |= obj->read_domains;
- else
- obj_priv->dirty = 1;
/*
* Flush the current write domain if
if ((flush_domains | invalidate_domains) & I915_GEM_DOMAIN_CPU)
i915_gem_clflush_object(obj);
- old_read_domains = obj->read_domains;
+ /* blow away mappings if mapped through GTT */
+ if ((flush_domains | invalidate_domains) & I915_GEM_DOMAIN_GTT)
+ i915_gem_release_mmap(obj);
/* The actual obj->write_domain will be updated with
* pending_write_domain after we emit the accumulated flush for all
*/
if (flush_domains == 0 && obj->pending_write_domain == 0)
obj->pending_write_domain = obj->write_domain;
- obj->read_domains = obj->pending_read_domains;
- dev->invalidate_domains |= invalidate_domains;
- dev->flush_domains |= flush_domains;
+ cd->invalidate_domains |= invalidate_domains;
+ cd->flush_domains |= flush_domains;
if (flush_domains & I915_GEM_GPU_DOMAINS)
- dev_priv->mm.flush_rings |= obj_priv->ring->id;
+ cd->flush_rings |= obj_priv->ring->id;
if (invalidate_domains & I915_GEM_GPU_DOMAINS)
- dev_priv->mm.flush_rings |= ring->id;
-
- trace_i915_gem_object_change_domain(obj,
- old_read_domains,
- obj->write_domain);
+ cd->flush_rings |= ring->id;
}
/**
int ret, i, retry;
/* attempt to pin all of the buffers into the GTT */
- for (retry = 0; retry < 2; retry++) {
+ retry = 0;
+ do {
ret = 0;
for (i = 0; i < count; i++) {
struct drm_i915_gem_exec_object2 *entry = &exec_list[i];
- struct drm_i915_gem_object *obj= to_intel_bo(object_list[i]);
+ struct drm_i915_gem_object *obj = to_intel_bo(object_list[i]);
bool need_fence =
entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
obj->tiling_mode != I915_TILING_NONE;
+ /* g33/pnv can't fence buffers in the unmappable part */
+ bool need_mappable =
+ entry->relocation_count ? true : need_fence;
+
/* Check fence reg constraints and rebind if necessary */
- if (need_fence &&
- !i915_gem_object_fence_offset_ok(&obj->base,
- obj->tiling_mode)) {
+ if (need_mappable && !obj->map_and_fenceable) {
ret = i915_gem_object_unbind(&obj->base);
if (ret)
break;
}
- ret = i915_gem_object_pin(&obj->base, entry->alignment);
+ ret = i915_gem_object_pin(&obj->base,
+ entry->alignment,
+ need_mappable);
if (ret)
break;
while (i--)
i915_gem_object_unpin(object_list[i]);
- if (ret == 0)
- break;
-
- if (ret != -ENOSPC || retry)
+ if (ret != -ENOSPC || retry > 1)
return ret;
- ret = i915_gem_evict_everything(dev);
+ /* First attempt, just clear anything that is purgeable.
+ * Second attempt, clear the entire GTT.
+ */
+ ret = i915_gem_evict_everything(dev, retry == 0);
if (ret)
return ret;
- }
- return 0;
+ retry++;
+ } while (1);
}
static int
struct drm_gem_object **objects,
int count)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct change_domains cd;
int ret, i;
- /* Zero the global flush/invalidate flags. These
- * will be modified as new domains are computed
- * for each object
- */
- dev->invalidate_domains = 0;
- dev->flush_domains = 0;
- dev_priv->mm.flush_rings = 0;
+ cd.invalidate_domains = 0;
+ cd.flush_domains = 0;
+ cd.flush_rings = 0;
for (i = 0; i < count; i++)
- i915_gem_object_set_to_gpu_domain(objects[i], ring);
+ i915_gem_object_set_to_gpu_domain(objects[i], ring, &cd);
- if (dev->invalidate_domains | dev->flush_domains) {
+ if (cd.invalidate_domains | cd.flush_domains) {
#if WATCH_EXEC
DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
__func__,
- dev->invalidate_domains,
- dev->flush_domains);
+ cd.invalidate_domains,
+ cd.flush_domains);
#endif
i915_gem_flush(dev, file,
- dev->invalidate_domains,
- dev->flush_domains,
- dev_priv->mm.flush_rings);
+ cd.invalidate_domains,
+ cd.flush_domains,
+ cd.flush_rings);
}
for (i = 0; i < count; i++) {
return 0;
ret = 0;
- if (!i915_seqno_passed(ring->get_seqno(dev, ring), seqno)) {
+ if (!i915_seqno_passed(ring->get_seqno(ring), seqno)) {
/* And wait for the seqno passing without holding any locks and
* causing extra latency for others. This is safe as the irq
* generation is designed to be run atomically and so is
* lockless.
*/
- ring->user_irq_get(dev, ring);
+ ring->user_irq_get(ring);
ret = wait_event_interruptible(ring->irq_queue,
- i915_seqno_passed(ring->get_seqno(dev, ring), seqno)
+ i915_seqno_passed(ring->get_seqno(ring), seqno)
|| atomic_read(&dev_priv->mm.wedged));
- ring->user_irq_put(dev, ring);
+ ring->user_irq_put(ring);
if (ret == 0 && atomic_read(&dev_priv->mm.wedged))
ret = -EIO;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_gem_object **object_list = NULL;
struct drm_gem_object *batch_obj;
- struct drm_i915_gem_object *obj_priv;
struct drm_clip_rect *cliprects = NULL;
struct drm_i915_gem_request *request = NULL;
int ret, i, flips;
/* Look up object handles */
for (i = 0; i < args->buffer_count; i++) {
+ struct drm_i915_gem_object *obj_priv;
+
object_list[i] = drm_gem_object_lookup(dev, file,
exec_list[i].handle);
if (object_list[i] == NULL) {
if (ret)
goto err;
- for (i = 0; i < args->buffer_count; i++) {
- struct drm_gem_object *obj = object_list[i];
- uint32_t old_write_domain = obj->write_domain;
- obj->write_domain = obj->pending_write_domain;
- trace_i915_gem_object_change_domain(obj,
- obj->read_domains,
- old_write_domain);
- }
-
#if WATCH_COHERENCY
for (i = 0; i < args->buffer_count; i++) {
i915_gem_object_check_coherency(object_list[i],
else
flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
- intel_ring_begin(dev, ring, 2);
- intel_ring_emit(dev, ring,
- MI_WAIT_FOR_EVENT | flip_mask);
- intel_ring_emit(dev, ring, MI_NOOP);
- intel_ring_advance(dev, ring);
+ ret = intel_ring_begin(ring, 2);
+ if (ret)
+ goto err;
+
+ intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask);
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
}
}
/* Exec the batchbuffer */
- ret = ring->dispatch_gem_execbuffer(dev, ring, args,
- cliprects, exec_offset);
+ ret = ring->dispatch_execbuffer(ring, args, cliprects, exec_offset);
if (ret) {
DRM_ERROR("dispatch failed %d\n", ret);
goto err;
}
- /*
- * Ensure that the commands in the batch buffer are
- * finished before the interrupt fires
- */
- i915_retire_commands(dev, ring);
-
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
+ obj->read_domains = obj->pending_read_domains;
+ obj->write_domain = obj->pending_write_domain;
+
i915_gem_object_move_to_active(obj, ring);
- if (obj->write_domain)
- list_move_tail(&to_intel_bo(obj)->gpu_write_list,
+ if (obj->write_domain) {
+ struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+ obj_priv->dirty = 1;
+ list_move_tail(&obj_priv->gpu_write_list,
&ring->gpu_write_list);
+ intel_mark_busy(dev, obj);
+ }
+
+ trace_i915_gem_object_change_domain(obj,
+ obj->read_domains,
+ obj->write_domain);
}
- i915_add_request(dev, file, request, ring);
- request = NULL;
+ /*
+ * Ensure that the commands in the batch buffer are
+ * finished before the interrupt fires
+ */
+ i915_retire_commands(dev, ring);
+
+ if (i915_add_request(dev, file, request, ring))
+ i915_gem_next_request_seqno(dev, ring);
+ else
+ request = NULL;
err:
for (i = 0; i < args->buffer_count; i++) {
- if (object_list[i]) {
- obj_priv = to_intel_bo(object_list[i]);
- obj_priv->in_execbuffer = false;
- }
+ if (object_list[i] == NULL)
+ break;
+
+ to_intel_bo(object_list[i])->in_execbuffer = false;
drm_gem_object_unreference(object_list[i]);
}
}
int
-i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
+i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment,
+ bool map_and_fenceable)
{
struct drm_device *dev = obj->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
BUG_ON(obj_priv->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT);
+ BUG_ON(map_and_fenceable && !map_and_fenceable);
WARN_ON(i915_verify_lists(dev));
if (obj_priv->gtt_space != NULL) {
- if (alignment == 0)
- alignment = i915_gem_get_gtt_alignment(obj);
- if (obj_priv->gtt_offset & (alignment - 1)) {
+ if ((alignment && obj_priv->gtt_offset & (alignment - 1)) ||
+ (map_and_fenceable && !obj_priv->map_and_fenceable)) {
WARN(obj_priv->pin_count,
- "bo is already pinned with incorrect alignment: offset=%x, req.alignment=%x\n",
- obj_priv->gtt_offset, alignment);
+ "bo is already pinned with incorrect alignment:"
+ " offset=%x, req.alignment=%x, req.map_and_fenceable=%d,"
+ " obj->map_and_fenceable=%d\n",
+ obj_priv->gtt_offset, alignment,
+ map_and_fenceable,
+ obj_priv->map_and_fenceable);
ret = i915_gem_object_unbind(obj);
if (ret)
return ret;
}
if (obj_priv->gtt_space == NULL) {
- ret = i915_gem_object_bind_to_gtt(obj, alignment);
+ ret = i915_gem_object_bind_to_gtt(obj, alignment,
+ map_and_fenceable);
if (ret)
return ret;
}
- obj_priv->pin_count++;
-
- /* If the object is not active and not pending a flush,
- * remove it from the inactive list
- */
- if (obj_priv->pin_count == 1) {
- i915_gem_info_add_pin(dev_priv, obj->size);
+ if (obj_priv->pin_count++ == 0) {
+ i915_gem_info_add_pin(dev_priv, obj_priv, map_and_fenceable);
if (!obj_priv->active)
list_move_tail(&obj_priv->mm_list,
&dev_priv->mm.pinned_list);
}
+ BUG_ON(!obj_priv->pin_mappable && map_and_fenceable);
WARN_ON(i915_verify_lists(dev));
return 0;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
WARN_ON(i915_verify_lists(dev));
- obj_priv->pin_count--;
- BUG_ON(obj_priv->pin_count < 0);
+ BUG_ON(obj_priv->pin_count == 0);
BUG_ON(obj_priv->gtt_space == NULL);
- /* If the object is no longer pinned, and is
- * neither active nor being flushed, then stick it on
- * the inactive list
- */
- if (obj_priv->pin_count == 0) {
+ if (--obj_priv->pin_count == 0) {
if (!obj_priv->active)
list_move_tail(&obj_priv->mm_list,
&dev_priv->mm.inactive_list);
- i915_gem_info_remove_pin(dev_priv, obj->size);
+ i915_gem_info_remove_pin(dev_priv, obj_priv);
}
WARN_ON(i915_verify_lists(dev));
}
obj_priv->user_pin_count++;
obj_priv->pin_filp = file_priv;
if (obj_priv->user_pin_count == 1) {
- ret = i915_gem_object_pin(obj, args->alignment);
+ ret = i915_gem_object_pin(obj, args->alignment, true);
if (ret)
goto out;
}
INIT_LIST_HEAD(&obj->ring_list);
INIT_LIST_HEAD(&obj->gpu_write_list);
obj->madv = I915_MADV_WILLNEED;
+ /* Avoid an unnecessary call to unbind on the first bind. */
+ obj->map_and_fenceable = true;
return &obj->base;
}
return;
}
- if (obj_priv->mmap_offset)
+ if (obj->map_list.map)
i915_gem_free_mmap_offset(obj);
drm_gem_object_release(obj);
/* Under UMS, be paranoid and evict. */
if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
- ret = i915_gem_evict_inactive(dev);
+ ret = i915_gem_evict_inactive(dev, false);
if (ret) {
mutex_unlock(&dev->struct_mutex);
return ret;
obj_priv = to_intel_bo(obj);
obj_priv->agp_type = AGP_USER_CACHED_MEMORY;
- ret = i915_gem_object_pin(obj, 4096);
+ ret = i915_gem_object_pin(obj, 4096, true);
if (ret)
goto err_unref;
return 0;
cleanup_bsd_ring:
- intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring);
+ intel_cleanup_ring_buffer(&dev_priv->bsd_ring);
cleanup_render_ring:
- intel_cleanup_ring_buffer(dev, &dev_priv->render_ring);
+ intel_cleanup_ring_buffer(&dev_priv->render_ring);
cleanup_pipe_control:
if (HAS_PIPE_CONTROL(dev))
i915_gem_cleanup_pipe_control(dev);
{
drm_i915_private_t *dev_priv = dev->dev_private;
- intel_cleanup_ring_buffer(dev, &dev_priv->render_ring);
- intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring);
- intel_cleanup_ring_buffer(dev, &dev_priv->blt_ring);
+ intel_cleanup_ring_buffer(&dev_priv->render_ring);
+ intel_cleanup_ring_buffer(&dev_priv->bsd_ring);
+ intel_cleanup_ring_buffer(&dev_priv->blt_ring);
if (HAS_PIPE_CONTROL(dev))
i915_gem_cleanup_pipe_control(dev);
}
INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
i915_gem_retire_work_handler);
init_completion(&dev_priv->error_completion);
- spin_lock(&shrink_list_lock);
- list_add(&dev_priv->mm.shrink_list, &shrink_list);
- spin_unlock(&shrink_list_lock);
/* On GEN3 we really need to make sure the ARB C3 LP bit is set */
if (IS_GEN3(dev)) {
}
i915_gem_detect_bit_6_swizzle(dev);
init_waitqueue_head(&dev_priv->pending_flip_queue);
+
+ dev_priv->mm.inactive_shrinker.shrink = i915_gem_inactive_shrink;
+ dev_priv->mm.inactive_shrinker.seeks = DEFAULT_SEEKS;
+ register_shrinker(&dev_priv->mm.inactive_shrinker);
}
/*
void i915_gem_detach_phys_object(struct drm_device *dev,
struct drm_gem_object *obj)
{
- struct drm_i915_gem_object *obj_priv;
+ struct address_space *mapping = obj->filp->f_path.dentry->d_inode->i_mapping;
+ struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+ char *vaddr;
int i;
- int ret;
int page_count;
- obj_priv = to_intel_bo(obj);
if (!obj_priv->phys_obj)
return;
-
- ret = i915_gem_object_get_pages(obj, 0);
- if (ret)
- goto out;
+ vaddr = obj_priv->phys_obj->handle->vaddr;
page_count = obj->size / PAGE_SIZE;
for (i = 0; i < page_count; i++) {
- char *dst = kmap_atomic(obj_priv->pages[i]);
- char *src = obj_priv->phys_obj->handle->vaddr + (i * PAGE_SIZE);
-
- memcpy(dst, src, PAGE_SIZE);
- kunmap_atomic(dst);
+ struct page *page = read_cache_page_gfp(mapping, i,
+ GFP_HIGHUSER | __GFP_RECLAIMABLE);
+ if (!IS_ERR(page)) {
+ char *dst = kmap_atomic(page);
+ memcpy(dst, vaddr + i*PAGE_SIZE, PAGE_SIZE);
+ kunmap_atomic(dst);
+
+ drm_clflush_pages(&page, 1);
+
+ set_page_dirty(page);
+ mark_page_accessed(page);
+ page_cache_release(page);
+ }
}
- drm_clflush_pages(obj_priv->pages, page_count);
drm_agp_chipset_flush(dev);
- i915_gem_object_put_pages(obj);
-out:
obj_priv->phys_obj->cur_obj = NULL;
obj_priv->phys_obj = NULL;
}
int id,
int align)
{
+ struct address_space *mapping = obj->filp->f_path.dentry->d_inode->i_mapping;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv;
int ret = 0;
obj->size, align);
if (ret) {
DRM_ERROR("failed to init phys object %d size: %zu\n", id, obj->size);
- goto out;
+ return ret;
}
}
obj_priv->phys_obj = dev_priv->mm.phys_objs[id - 1];
obj_priv->phys_obj->cur_obj = obj;
- ret = i915_gem_object_get_pages(obj, 0);
- if (ret) {
- DRM_ERROR("failed to get page list\n");
- goto out;
- }
-
page_count = obj->size / PAGE_SIZE;
for (i = 0; i < page_count; i++) {
- char *src = kmap_atomic(obj_priv->pages[i]);
- char *dst = obj_priv->phys_obj->handle->vaddr + (i * PAGE_SIZE);
+ struct page *page;
+ char *dst, *src;
+ page = read_cache_page_gfp(mapping, i,
+ GFP_HIGHUSER | __GFP_RECLAIMABLE);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
+ src = kmap_atomic(page);
+ dst = obj_priv->phys_obj->handle->vaddr + (i * PAGE_SIZE);
memcpy(dst, src, PAGE_SIZE);
kunmap_atomic(src);
- }
- i915_gem_object_put_pages(obj);
+ mark_page_accessed(page);
+ page_cache_release(page);
+ }
return 0;
-out:
- return ret;
}
static int
}
static int
-i915_gem_shrink(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask)
+i915_gem_inactive_shrink(struct shrinker *shrinker,
+ int nr_to_scan,
+ gfp_t gfp_mask)
{
- drm_i915_private_t *dev_priv, *next_dev;
- struct drm_i915_gem_object *obj_priv, *next_obj;
- int cnt = 0;
- int would_deadlock = 1;
+ struct drm_i915_private *dev_priv =
+ container_of(shrinker,
+ struct drm_i915_private,
+ mm.inactive_shrinker);
+ struct drm_device *dev = dev_priv->dev;
+ struct drm_i915_gem_object *obj, *next;
+ int cnt;
+
+ if (!mutex_trylock(&dev->struct_mutex))
+ return 0;
/* "fast-path" to count number of available objects */
if (nr_to_scan == 0) {
- spin_lock(&shrink_list_lock);
- list_for_each_entry(dev_priv, &shrink_list, mm.shrink_list) {
- struct drm_device *dev = dev_priv->dev;
-
- if (mutex_trylock(&dev->struct_mutex)) {
- list_for_each_entry(obj_priv,
- &dev_priv->mm.inactive_list,
- mm_list)
- cnt++;
- mutex_unlock(&dev->struct_mutex);
- }
- }
- spin_unlock(&shrink_list_lock);
-
- return (cnt / 100) * sysctl_vfs_cache_pressure;
+ cnt = 0;
+ list_for_each_entry(obj,
+ &dev_priv->mm.inactive_list,
+ mm_list)
+ cnt++;
+ mutex_unlock(&dev->struct_mutex);
+ return cnt / 100 * sysctl_vfs_cache_pressure;
}
- spin_lock(&shrink_list_lock);
-
rescan:
/* first scan for clean buffers */
- list_for_each_entry_safe(dev_priv, next_dev,
- &shrink_list, mm.shrink_list) {
- struct drm_device *dev = dev_priv->dev;
-
- if (! mutex_trylock(&dev->struct_mutex))
- continue;
-
- spin_unlock(&shrink_list_lock);
- i915_gem_retire_requests(dev);
+ i915_gem_retire_requests(dev);
- list_for_each_entry_safe(obj_priv, next_obj,
- &dev_priv->mm.inactive_list,
- mm_list) {
- if (i915_gem_object_is_purgeable(obj_priv)) {
- i915_gem_object_unbind(&obj_priv->base);
- if (--nr_to_scan <= 0)
- break;
- }
+ list_for_each_entry_safe(obj, next,
+ &dev_priv->mm.inactive_list,
+ mm_list) {
+ if (i915_gem_object_is_purgeable(obj)) {
+ i915_gem_object_unbind(&obj->base);
+ if (--nr_to_scan == 0)
+ break;
}
-
- spin_lock(&shrink_list_lock);
- mutex_unlock(&dev->struct_mutex);
-
- would_deadlock = 0;
-
- if (nr_to_scan <= 0)
- break;
}
/* second pass, evict/count anything still on the inactive list */
- list_for_each_entry_safe(dev_priv, next_dev,
- &shrink_list, mm.shrink_list) {
- struct drm_device *dev = dev_priv->dev;
-
- if (! mutex_trylock(&dev->struct_mutex))
- continue;
-
- spin_unlock(&shrink_list_lock);
-
- list_for_each_entry_safe(obj_priv, next_obj,
- &dev_priv->mm.inactive_list,
- mm_list) {
- if (nr_to_scan > 0) {
- i915_gem_object_unbind(&obj_priv->base);
- nr_to_scan--;
- } else
- cnt++;
- }
-
- spin_lock(&shrink_list_lock);
- mutex_unlock(&dev->struct_mutex);
-
- would_deadlock = 0;
- }
-
- if (nr_to_scan) {
- int active = 0;
-
+ cnt = 0;
+ list_for_each_entry_safe(obj, next,
+ &dev_priv->mm.inactive_list,
+ mm_list) {
+ if (nr_to_scan) {
+ i915_gem_object_unbind(&obj->base);
+ nr_to_scan--;
+ } else
+ cnt++;
+ }
+
+ if (nr_to_scan && i915_gpu_is_active(dev)) {
/*
* We are desperate for pages, so as a last resort, wait
* for the GPU to finish and discard whatever we can.
* This has a dramatic impact to reduce the number of
* OOM-killer events whilst running the GPU aggressively.
*/
- list_for_each_entry(dev_priv, &shrink_list, mm.shrink_list) {
- struct drm_device *dev = dev_priv->dev;
-
- if (!mutex_trylock(&dev->struct_mutex))
- continue;
-
- spin_unlock(&shrink_list_lock);
-
- if (i915_gpu_is_active(dev)) {
- i915_gpu_idle(dev);
- active++;
- }
-
- spin_lock(&shrink_list_lock);
- mutex_unlock(&dev->struct_mutex);
- }
-
- if (active)
+ if (i915_gpu_idle(dev) == 0)
goto rescan;
}
-
- spin_unlock(&shrink_list_lock);
-
- if (would_deadlock)
- return -1;
- else if (cnt > 0)
- return (cnt / 100) * sysctl_vfs_cache_pressure;
- else
- return 0;
-}
-
-static struct shrinker shrinker = {
- .shrink = i915_gem_shrink,
- .seeks = DEFAULT_SEEKS,
-};
-
-__init void
-i915_gem_shrinker_init(void)
-{
- register_shrinker(&shrinker);
-}
-
-__exit void
-i915_gem_shrinker_exit(void)
-{
- unregister_shrinker(&shrinker);
+ mutex_unlock(&dev->struct_mutex);
+ return cnt / 100 * sysctl_vfs_cache_pressure;
}
}
int
-i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned alignment)
+i915_gem_evict_something(struct drm_device *dev, int min_size,
+ unsigned alignment, bool mappable)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct list_head eviction_list, unwind_list;
i915_gem_retire_requests(dev);
/* Re-check for free space after retiring requests */
- if (drm_mm_search_free(&dev_priv->mm.gtt_space,
- min_size, alignment, 0))
- return 0;
+ if (mappable) {
+ if (drm_mm_search_free_in_range(&dev_priv->mm.gtt_space,
+ min_size, alignment, 0,
+ dev_priv->mm.gtt_mappable_end,
+ 0))
+ return 0;
+ } else {
+ if (drm_mm_search_free(&dev_priv->mm.gtt_space,
+ min_size, alignment, 0))
+ return 0;
+ }
/*
* The goal is to evict objects and amalgamate space in LRU order.
*/
INIT_LIST_HEAD(&unwind_list);
- drm_mm_init_scan(&dev_priv->mm.gtt_space, min_size, alignment);
+ if (mappable)
+ drm_mm_init_scan_with_range(&dev_priv->mm.gtt_space, min_size,
+ alignment, 0,
+ dev_priv->mm.gtt_mappable_end);
+ else
+ drm_mm_init_scan(&dev_priv->mm.gtt_space, min_size, alignment);
/* First see if there is a large enough contiguous idle region... */
list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, mm_list) {
}
int
-i915_gem_evict_everything(struct drm_device *dev)
+i915_gem_evict_everything(struct drm_device *dev, bool purgeable_only)
{
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
- ret = i915_gem_evict_inactive(dev);
- if (ret)
- return ret;
-
- lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
- list_empty(&dev_priv->mm.flushing_list) &&
- list_empty(&dev_priv->mm.active_list));
- BUG_ON(!lists_empty);
-
- return 0;
+ return i915_gem_evict_inactive(dev, purgeable_only);
}
/** Unbinds all inactive objects. */
int
-i915_gem_evict_inactive(struct drm_device *dev)
+i915_gem_evict_inactive(struct drm_device *dev, bool purgeable_only)
{
drm_i915_private_t *dev_priv = dev->dev_private;
-
- while (!list_empty(&dev_priv->mm.inactive_list)) {
- struct drm_gem_object *obj;
- int ret;
-
- obj = &list_first_entry(&dev_priv->mm.inactive_list,
- struct drm_i915_gem_object,
- mm_list)->base;
-
- ret = i915_gem_object_unbind(obj);
- if (ret != 0) {
- DRM_ERROR("Error unbinding object: %d\n", ret);
- return ret;
+ struct drm_i915_gem_object *obj, *next;
+
+ list_for_each_entry_safe(obj, next,
+ &dev_priv->mm.inactive_list, mm_list) {
+ if (!purgeable_only || obj->madv != I915_MADV_WILLNEED) {
+ int ret = i915_gem_object_unbind(&obj->base);
+ if (ret)
+ return ret;
}
}
}
/* Check pitch constriants for all chips & tiling formats */
-bool
+static bool
i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
{
int tile_width;
return true;
}
-bool
-i915_gem_object_fence_offset_ok(struct drm_gem_object *obj, int tiling_mode)
+/* Is the current GTT allocation valid for the change in tiling? */
+static bool
+i915_gem_object_fence_ok(struct drm_gem_object *obj, int tiling_mode)
{
- struct drm_device *dev = obj->dev;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
-
- if (obj_priv->gtt_space == NULL)
- return true;
+ u32 size;
if (tiling_mode == I915_TILING_NONE)
return true;
- if (INTEL_INFO(dev)->gen >= 4)
+ if (INTEL_INFO(obj->dev)->gen >= 4)
return true;
- if (obj_priv->gtt_offset & (obj->size - 1))
- return false;
+ if (!obj_priv->gtt_space)
+ return true;
- if (IS_GEN3(dev)) {
+ if (INTEL_INFO(obj->dev)->gen == 3) {
if (obj_priv->gtt_offset & ~I915_FENCE_START_MASK)
return false;
} else {
return false;
}
+ /*
+ * Previous chips need to be aligned to the size of the smallest
+ * fence register that can contain the object.
+ */
+ if (INTEL_INFO(obj->dev)->gen == 3)
+ size = 1024*1024;
+ else
+ size = 512*1024;
+
+ while (size < obj_priv->base.size)
+ size <<= 1;
+
+ if (obj_priv->gtt_space->size != size)
+ return false;
+
+ if (obj_priv->gtt_offset & (size - 1))
+ return false;
+
return true;
}
* tiling mode. Otherwise we can just leave it alone, but
* need to ensure that any fence register is cleared.
*/
- if (!i915_gem_object_fence_offset_ok(obj, args->tiling_mode))
+ if (!i915_gem_object_fence_ok(obj, args->tiling_mode))
ret = i915_gem_object_unbind(obj);
else if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
ret = i915_gem_object_put_fence_reg(obj, true);
struct intel_ring_buffer *ring)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 seqno = ring->get_seqno(dev, ring);
- ring->irq_gem_seqno = seqno;
+ u32 seqno = ring->get_seqno(ring);
+ ring->irq_seqno = seqno;
trace_i915_gem_request_complete(dev, seqno);
wake_up_all(&ring->irq_queue);
dev_priv->hangcheck_count = 0;
}
static u32
-i915_ringbuffer_last_batch(struct drm_device *dev)
+i915_ringbuffer_last_batch(struct drm_device *dev,
+ struct intel_ring_buffer *ring)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 head, bbaddr;
- u32 *ring;
+ u32 *val;
/* Locate the current position in the ringbuffer and walk back
* to find the most recently dispatched batch buffer.
*/
bbaddr = 0;
- head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
- ring = (u32 *)(dev_priv->render_ring.virtual_start + head);
+ head = I915_READ_HEAD(ring) & HEAD_ADDR;
+ val = (u32 *)(ring->virtual_start + head);
- while (--ring >= (u32 *)dev_priv->render_ring.virtual_start) {
- bbaddr = i915_get_bbaddr(dev, ring);
+ while (--val >= (u32 *)ring->virtual_start) {
+ bbaddr = i915_get_bbaddr(dev, val);
if (bbaddr)
break;
}
if (bbaddr == 0) {
- ring = (u32 *)(dev_priv->render_ring.virtual_start
- + dev_priv->render_ring.size);
- while (--ring >= (u32 *)dev_priv->render_ring.virtual_start) {
- bbaddr = i915_get_bbaddr(dev, ring);
+ val = (u32 *)(ring->virtual_start + ring->size);
+ while (--val >= (u32 *)ring->virtual_start) {
+ bbaddr = i915_get_bbaddr(dev, val);
if (bbaddr)
break;
}
DRM_DEBUG_DRIVER("generating error event\n");
error->seqno =
- dev_priv->render_ring.get_seqno(dev, &dev_priv->render_ring);
+ dev_priv->render_ring.get_seqno(&dev_priv->render_ring);
error->eir = I915_READ(EIR);
error->pgtbl_er = I915_READ(PGTBL_ER);
error->pipeastat = I915_READ(PIPEASTAT);
error->pipebstat = I915_READ(PIPEBSTAT);
error->instpm = I915_READ(INSTPM);
- if (INTEL_INFO(dev)->gen < 4) {
- error->ipeir = I915_READ(IPEIR);
- error->ipehr = I915_READ(IPEHR);
- error->instdone = I915_READ(INSTDONE);
- error->acthd = I915_READ(ACTHD);
- error->bbaddr = 0;
- } else {
+ error->error = 0;
+ if (INTEL_INFO(dev)->gen >= 6) {
+ error->error = I915_READ(ERROR_GEN6);
+
+ error->bcs_acthd = I915_READ(BCS_ACTHD);
+ error->bcs_ipehr = I915_READ(BCS_IPEHR);
+ error->bcs_ipeir = I915_READ(BCS_IPEIR);
+ error->bcs_instdone = I915_READ(BCS_INSTDONE);
+ error->bcs_seqno = 0;
+ if (dev_priv->blt_ring.get_seqno)
+ error->bcs_seqno = dev_priv->blt_ring.get_seqno(&dev_priv->blt_ring);
+
+ error->vcs_acthd = I915_READ(VCS_ACTHD);
+ error->vcs_ipehr = I915_READ(VCS_IPEHR);
+ error->vcs_ipeir = I915_READ(VCS_IPEIR);
+ error->vcs_instdone = I915_READ(VCS_INSTDONE);
+ error->vcs_seqno = 0;
+ if (dev_priv->bsd_ring.get_seqno)
+ error->vcs_seqno = dev_priv->bsd_ring.get_seqno(&dev_priv->bsd_ring);
+ }
+ if (INTEL_INFO(dev)->gen >= 4) {
error->ipeir = I915_READ(IPEIR_I965);
error->ipehr = I915_READ(IPEHR_I965);
error->instdone = I915_READ(INSTDONE_I965);
error->instdone1 = I915_READ(INSTDONE1);
error->acthd = I915_READ(ACTHD_I965);
error->bbaddr = I915_READ64(BB_ADDR);
+ } else {
+ error->ipeir = I915_READ(IPEIR);
+ error->ipehr = I915_READ(IPEHR);
+ error->instdone = I915_READ(INSTDONE);
+ error->acthd = I915_READ(ACTHD);
+ error->bbaddr = 0;
}
- bbaddr = i915_ringbuffer_last_batch(dev);
+ bbaddr = i915_ringbuffer_last_batch(dev, &dev_priv->render_ring);
/* Grab the current batchbuffer, most likely to have crashed. */
batchbuffer[0] = NULL;
error->active_bo[i].tiling = obj_priv->tiling_mode;
error->active_bo[i].dirty = obj_priv->dirty;
error->active_bo[i].purgeable = obj_priv->madv != I915_MADV_WILLNEED;
+ error->active_bo[i].ring = obj_priv->ring->id;
if (++i == count)
break;
* so userspace knows something bad happened (should trigger collection
* of a ring dump etc.).
*/
-static void i915_handle_error(struct drm_device *dev, bool wedged)
+void i915_handle_error(struct drm_device *dev, bool wedged)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (master_priv->sarea_priv)
master_priv->sarea_priv->last_enqueue = dev_priv->counter;
- BEGIN_LP_RING(4);
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->counter);
- OUT_RING(MI_USER_INTERRUPT);
- ADVANCE_LP_RING();
+ if (BEGIN_LP_RING(4) == 0) {
+ OUT_RING(MI_STORE_DWORD_INDEX);
+ OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(MI_USER_INTERRUPT);
+ ADVANCE_LP_RING();
+ }
return dev_priv->counter;
}
struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
if (dev_priv->trace_irq_seqno == 0)
- render_ring->user_irq_get(dev, render_ring);
+ render_ring->user_irq_get(render_ring);
dev_priv->trace_irq_seqno = seqno;
}
if (master_priv->sarea_priv)
master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
- render_ring->user_irq_get(dev, render_ring);
+ render_ring->user_irq_get(render_ring);
DRM_WAIT_ON(ret, dev_priv->render_ring.irq_queue, 3 * DRM_HZ,
READ_BREADCRUMB(dev_priv) >= irq_nr);
- render_ring->user_irq_put(dev, render_ring);
+ render_ring->user_irq_put(render_ring);
if (ret == -EBUSY) {
DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
return -EINVAL;
}
-static struct drm_i915_gem_request *
-i915_get_tail_request(struct drm_device *dev)
+static u32
+ring_last_seqno(struct intel_ring_buffer *ring)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- return list_entry(dev_priv->render_ring.request_list.prev,
- struct drm_i915_gem_request, list);
+ return list_entry(ring->request_list.prev,
+ struct drm_i915_gem_request, list)->seqno;
+}
+
+static bool i915_hangcheck_ring_idle(struct intel_ring_buffer *ring, bool *err)
+{
+ if (list_empty(&ring->request_list) ||
+ i915_seqno_passed(ring->get_seqno(ring), ring_last_seqno(ring))) {
+ /* Issue a wake-up to catch stuck h/w. */
+ if (ring->waiting_seqno && waitqueue_active(&ring->irq_queue)) {
+ DRM_ERROR("Hangcheck timer elapsed... %s idle [waiting on %d, at %d], missed IRQ?\n",
+ ring->name,
+ ring->waiting_seqno,
+ ring->get_seqno(ring));
+ wake_up_all(&ring->irq_queue);
+ *err = true;
+ }
+ return true;
+ }
+ return false;
}
/**
struct drm_device *dev = (struct drm_device *)data;
drm_i915_private_t *dev_priv = dev->dev_private;
uint32_t acthd, instdone, instdone1;
+ bool err = false;
+
+ /* If all work is done then ACTHD clearly hasn't advanced. */
+ if (i915_hangcheck_ring_idle(&dev_priv->render_ring, &err) &&
+ i915_hangcheck_ring_idle(&dev_priv->bsd_ring, &err) &&
+ i915_hangcheck_ring_idle(&dev_priv->blt_ring, &err)) {
+ dev_priv->hangcheck_count = 0;
+ if (err)
+ goto repeat;
+ return;
+ }
if (INTEL_INFO(dev)->gen < 4) {
acthd = I915_READ(ACTHD);
instdone1 = I915_READ(INSTDONE1);
}
- /* If all work is done then ACTHD clearly hasn't advanced. */
- if (list_empty(&dev_priv->render_ring.request_list) ||
- i915_seqno_passed(dev_priv->render_ring.get_seqno(dev, &dev_priv->render_ring),
- i915_get_tail_request(dev)->seqno)) {
- bool missed_wakeup = false;
-
- dev_priv->hangcheck_count = 0;
-
- /* Issue a wake-up to catch stuck h/w. */
- if (dev_priv->render_ring.waiting_gem_seqno &&
- waitqueue_active(&dev_priv->render_ring.irq_queue)) {
- wake_up_all(&dev_priv->render_ring.irq_queue);
- missed_wakeup = true;
- }
-
- if (dev_priv->bsd_ring.waiting_gem_seqno &&
- waitqueue_active(&dev_priv->bsd_ring.irq_queue)) {
- wake_up_all(&dev_priv->bsd_ring.irq_queue);
- missed_wakeup = true;
- }
-
- if (dev_priv->blt_ring.waiting_gem_seqno &&
- waitqueue_active(&dev_priv->blt_ring.irq_queue)) {
- wake_up_all(&dev_priv->blt_ring.irq_queue);
- missed_wakeup = true;
- }
-
- if (missed_wakeup)
- DRM_ERROR("Hangcheck timer elapsed... GPU idle, missed IRQ.\n");
- return;
- }
-
if (dev_priv->last_acthd == acthd &&
dev_priv->last_instdone == instdone &&
dev_priv->last_instdone1 == instdone1) {
* and break the hang. This should work on
* all but the second generation chipsets.
*/
- u32 tmp = I915_READ(PRB0_CTL);
+ struct intel_ring_buffer *ring = &dev_priv->render_ring;
+ u32 tmp = I915_READ_CTL(ring);
if (tmp & RING_WAIT) {
- I915_WRITE(PRB0_CTL, tmp);
- POSTING_READ(PRB0_CTL);
- goto out;
+ I915_WRITE_CTL(ring, tmp);
+ goto repeat;
}
}
dev_priv->last_instdone1 = instdone1;
}
-out:
+repeat:
/* Reset timer case chip hangs without another request being added */
mod_timer(&dev_priv->hangcheck_timer,
jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
* Instruction and interrupt control regs
*/
#define PGTBL_ER 0x02024
-#define PRB0_TAIL 0x02030
-#define PRB0_HEAD 0x02034
-#define PRB0_START 0x02038
-#define PRB0_CTL 0x0203c
#define RENDER_RING_BASE 0x02000
#define BSD_RING_BASE 0x04000
#define GEN6_BSD_RING_BASE 0x12000
#define RING_INVALID 0x00000000
#define RING_WAIT_I8XX (1<<0) /* gen2, PRBx_HEAD */
#define RING_WAIT (1<<11) /* gen3+, PRBx_CTL */
+#if 0
+#define PRB0_TAIL 0x02030
+#define PRB0_HEAD 0x02034
+#define PRB0_START 0x02038
+#define PRB0_CTL 0x0203c
#define PRB1_TAIL 0x02040 /* 915+ only */
#define PRB1_HEAD 0x02044 /* 915+ only */
#define PRB1_START 0x02048 /* 915+ only */
#define PRB1_CTL 0x0204c /* 915+ only */
+#endif
#define IPEIR_I965 0x02064
#define IPEHR_I965 0x02068
#define INSTDONE_I965 0x0206c
#define INSTDONE 0x02090
#define NOPID 0x02094
#define HWSTAM 0x02098
+#define VCS_INSTDONE 0x1206C
+#define VCS_IPEIR 0x12064
+#define VCS_IPEHR 0x12068
+#define VCS_ACTHD 0x12074
+#define BCS_INSTDONE 0x2206C
+#define BCS_IPEIR 0x22064
+#define BCS_IPEHR 0x22068
+#define BCS_ACTHD 0x22074
+
+#define ERROR_GEN6 0x040a0
+
+/* GM45+ chicken bits -- debug workaround bits that may be required
+ * for various sorts of correct behavior. The top 16 bits of each are
+ * the enables for writing to the corresponding low bit.
+ */
+#define _3D_CHICKEN 0x02084
+#define _3D_CHICKEN2 0x0208c
+/* Disables pipelining of read flushes past the SF-WIZ interface.
+ * Required on all Ironlake steppings according to the B-Spec, but the
+ * particular danger of not doing so is not specified.
+ */
+# define _3D_CHICKEN2_WM_READ_PIPELINED (1 << 14)
+#define _3D_CHICKEN3 0x02090
#define MI_MODE 0x0209c
# define VS_TIMER_DISPATCH (1 << 6)
#define GTIER 0x4401c
#define ILK_DISPLAY_CHICKEN2 0x42004
+/* Required on all Ironlake and Sandybridge according to the B-Spec. */
+#define ILK_ELPIN_409_SELECT (1 << 25)
#define ILK_DPARB_GATE (1<<22)
#define ILK_VSDPFD_FULL (1<<21)
#define ILK_DSPCLK_GATE 0x42020
#define EDP_LINK_TRAIN_800MV_0DB_SNB_B (0x38<<22)
#define EDP_LINK_TRAIN_VOL_EMP_MASK_SNB (0x3f<<22)
+#define FORCEWAKE 0xA18C
#endif /* _I915_REG_H_ */
TRACE_EVENT(i915_gem_object_bind,
- TP_PROTO(struct drm_gem_object *obj, u32 gtt_offset),
+ TP_PROTO(struct drm_gem_object *obj, u32 gtt_offset, bool mappable),
- TP_ARGS(obj, gtt_offset),
+ TP_ARGS(obj, gtt_offset, mappable),
TP_STRUCT__entry(
__field(struct drm_gem_object *, obj)
__field(u32, gtt_offset)
+ __field(bool, mappable)
),
TP_fast_assign(
__entry->obj = obj;
__entry->gtt_offset = gtt_offset;
+ __entry->mappable = mappable;
),
- TP_printk("obj=%p, gtt_offset=%08x",
- __entry->obj, __entry->gtt_offset)
+ TP_printk("obj=%p, gtt_offset=%08x%s",
+ __entry->obj, __entry->gtt_offset,
+ __entry->mappable ? ", mappable" : "")
);
TRACE_EVENT(i915_gem_object_change_domain,
TP_printk("plane=%d, obj=%p", __entry->plane, __entry->obj)
);
+TRACE_EVENT(i915_reg_rw,
+ TP_PROTO(int cmd, uint32_t reg, uint64_t val, int len),
+
+ TP_ARGS(cmd, reg, val, len),
+
+ TP_STRUCT__entry(
+ __field(int, cmd)
+ __field(uint32_t, reg)
+ __field(uint64_t, val)
+ __field(int, len)
+ ),
+
+ TP_fast_assign(
+ __entry->cmd = cmd;
+ __entry->reg = reg;
+ __entry->val = (uint64_t)val;
+ __entry->len = len;
+ ),
+
+ TP_printk("cmd=%c, reg=0x%x, val=0x%llx, len=%d",
+ __entry->cmd, __entry->reg, __entry->val, __entry->len)
+);
+
#endif /* _I915_TRACE_H_ */
/* This part must be outside protection */
BUG();
}
- ret = i915_gem_object_pin(obj, alignment);
+ ret = i915_gem_object_pin(obj, alignment, true);
if (ret)
return ret;
* framebuffer compression. For simplicity, we always install
* a fence as the cost is not that onerous.
*/
- if (obj_priv->fence_reg == I915_FENCE_REG_NONE &&
- obj_priv->tiling_mode != I915_TILING_NONE) {
+ if (obj_priv->tiling_mode != I915_TILING_NONE) {
ret = i915_gem_object_get_fence_reg(obj, false);
if (ret)
goto err_unpin;
static void intel_clear_scanline_wait(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring;
u32 tmp;
if (IS_GEN2(dev))
/* Can't break the hang on i8xx */
return;
- tmp = I915_READ(PRB0_CTL);
- if (tmp & RING_WAIT) {
- I915_WRITE(PRB0_CTL, tmp);
- POSTING_READ(PRB0_CTL);
- }
+ ring = &dev_priv->render_ring;
+ tmp = I915_READ_CTL(ring);
+ if (tmp & RING_WAIT)
+ I915_WRITE_CTL(ring, tmp);
}
static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
/* we only need to pin inside GTT if cursor is non-phy */
mutex_lock(&dev->struct_mutex);
if (!dev_priv->info->cursor_needs_physical) {
- ret = i915_gem_object_pin(bo, PAGE_SIZE);
+ ret = i915_gem_object_pin(bo, PAGE_SIZE, true);
if (ret) {
DRM_ERROR("failed to pin cursor bo\n");
goto fail_locked;
if (ret)
goto cleanup_objs;
- /* Block clients from rendering to the new back buffer until
- * the flip occurs and the object is no longer visible.
- */
- atomic_add(1 << intel_crtc->plane,
- &to_intel_bo(work->old_fb_obj)->pending_flip);
-
- work->pending_flip_obj = obj;
- obj_priv = to_intel_bo(obj);
-
if (IS_GEN3(dev) || IS_GEN2(dev)) {
u32 flip_mask;
/* Can't queue multiple flips, so wait for the previous
* one to finish before executing the next.
*/
- BEGIN_LP_RING(2);
+ ret = BEGIN_LP_RING(2);
+ if (ret)
+ goto cleanup_objs;
+
if (intel_crtc->plane)
flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
else
ADVANCE_LP_RING();
}
+ work->pending_flip_obj = obj;
+ obj_priv = to_intel_bo(obj);
+
work->enable_stall_check = true;
/* Offset into the new buffer for cases of shared fbs between CRTCs */
offset = crtc->y * fb->pitch + crtc->x * fb->bits_per_pixel/8;
- BEGIN_LP_RING(4);
- switch(INTEL_INFO(dev)->gen) {
+ ret = BEGIN_LP_RING(4);
+ if (ret)
+ goto cleanup_objs;
+
+ /* Block clients from rendering to the new back buffer until
+ * the flip occurs and the object is no longer visible.
+ */
+ atomic_add(1 << intel_crtc->plane,
+ &to_intel_bo(work->old_fb_obj)->pending_flip);
+
+ switch (INTEL_INFO(dev)->gen) {
case 2:
OUT_RING(MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
}
mutex_lock(&dev->struct_mutex);
- ret = i915_gem_object_pin(ctx, 4096);
+ ret = i915_gem_object_pin(ctx, 4096, true);
if (ret) {
DRM_ERROR("failed to pin power context: %d\n", ret);
goto err_unref;
ILK_DPFC_DIS2 |
ILK_CLK_FBC);
}
+
+ I915_WRITE(ILK_DISPLAY_CHICKEN2,
+ I915_READ(ILK_DISPLAY_CHICKEN2) |
+ ILK_ELPIN_409_SELECT);
+
+ if (IS_GEN5(dev)) {
+ I915_WRITE(_3D_CHICKEN2,
+ _3D_CHICKEN2_WM_READ_PIPELINED << 16 |
+ _3D_CHICKEN2_WM_READ_PIPELINED);
+ }
return;
} else if (IS_G4X(dev)) {
uint32_t dspclk_gate;
struct drm_i915_gem_object *obj_priv;
obj_priv = to_intel_bo(dev_priv->renderctx);
if (obj_priv) {
- BEGIN_LP_RING(4);
- OUT_RING(MI_SET_CONTEXT);
- OUT_RING(obj_priv->gtt_offset |
- MI_MM_SPACE_GTT |
- MI_SAVE_EXT_STATE_EN |
- MI_RESTORE_EXT_STATE_EN |
- MI_RESTORE_INHIBIT);
- OUT_RING(MI_NOOP);
- OUT_RING(MI_FLUSH);
- ADVANCE_LP_RING();
+ if (BEGIN_LP_RING(4) == 0) {
+ OUT_RING(MI_SET_CONTEXT);
+ OUT_RING(obj_priv->gtt_offset |
+ MI_MM_SPACE_GTT |
+ MI_SAVE_EXT_STATE_EN |
+ MI_RESTORE_EXT_STATE_EN |
+ MI_RESTORE_INHIBIT);
+ OUT_RING(MI_NOOP);
+ OUT_RING(MI_FLUSH);
+ ADVANCE_LP_RING();
+ }
}
} else
DRM_DEBUG_KMS("Failed to allocate render context."
/* On most chips, these bits must be preserved in software. */
if (!IS_I830(dev) && !IS_845G(dev))
- reserved = I915_READ(gpio->reg) & (GPIO_DATA_PULLUP_DISABLE |
- GPIO_CLOCK_PULLUP_DISABLE);
+ reserved = I915_READ_NOTRACE(gpio->reg) &
+ (GPIO_DATA_PULLUP_DISABLE |
+ GPIO_CLOCK_PULLUP_DISABLE);
return reserved;
}
struct intel_gpio *gpio = data;
struct drm_i915_private *dev_priv = gpio->dev_priv;
u32 reserved = get_reserved(gpio);
- I915_WRITE(gpio->reg, reserved | GPIO_CLOCK_DIR_MASK);
- I915_WRITE(gpio->reg, reserved);
- return (I915_READ(gpio->reg) & GPIO_CLOCK_VAL_IN) != 0;
+ I915_WRITE_NOTRACE(gpio->reg, reserved | GPIO_CLOCK_DIR_MASK);
+ I915_WRITE_NOTRACE(gpio->reg, reserved);
+ return (I915_READ_NOTRACE(gpio->reg) & GPIO_CLOCK_VAL_IN) != 0;
}
static int get_data(void *data)
struct intel_gpio *gpio = data;
struct drm_i915_private *dev_priv = gpio->dev_priv;
u32 reserved = get_reserved(gpio);
- I915_WRITE(gpio->reg, reserved | GPIO_DATA_DIR_MASK);
- I915_WRITE(gpio->reg, reserved);
- return (I915_READ(gpio->reg) & GPIO_DATA_VAL_IN) != 0;
+ I915_WRITE_NOTRACE(gpio->reg, reserved | GPIO_DATA_DIR_MASK);
+ I915_WRITE_NOTRACE(gpio->reg, reserved);
+ return (I915_READ_NOTRACE(gpio->reg) & GPIO_DATA_VAL_IN) != 0;
}
static void set_clock(void *data, int state_high)
clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK |
GPIO_CLOCK_VAL_MASK;
- I915_WRITE(gpio->reg, reserved | clock_bits);
+ I915_WRITE_NOTRACE(gpio->reg, reserved | clock_bits);
POSTING_READ(gpio->reg);
}
data_bits = GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK |
GPIO_DATA_VAL_MASK;
- I915_WRITE(gpio->reg, reserved | data_bits);
+ I915_WRITE_NOTRACE(gpio->reg, reserved | data_bits);
POSTING_READ(gpio->reg);
}
int ret;
BUG_ON(overlay->last_flip_req);
- overlay->last_flip_req =
- i915_add_request(dev, NULL, request, &dev_priv->render_ring);
- if (overlay->last_flip_req == 0)
- return -ENOMEM;
-
+ ret = i915_add_request(dev, NULL, request, &dev_priv->render_ring);
+ if (ret) {
+ kfree(request);
+ return ret;
+ }
+ overlay->last_flip_req = request->seqno;
overlay->flip_tail = tail;
ret = i915_do_wait_request(dev,
overlay->last_flip_req, true,
static int intel_overlay_on(struct intel_overlay *overlay)
{
struct drm_device *dev = overlay->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_request *request;
int pipe_a_quirk = 0;
int ret;
goto out;
}
- BEGIN_LP_RING(4);
+ ret = BEGIN_LP_RING(4);
+ if (ret) {
+ kfree(request);
+ goto out;
+ }
+
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_ON);
OUT_RING(overlay->flip_addr | OFC_UPDATE);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
struct drm_i915_gem_request *request;
u32 flip_addr = overlay->flip_addr;
u32 tmp;
+ int ret;
BUG_ON(!overlay->active);
if (tmp & (1 << 17))
DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
- BEGIN_LP_RING(2);
+ ret = BEGIN_LP_RING(2);
+ if (ret) {
+ kfree(request);
+ return ret;
+ }
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
OUT_RING(flip_addr);
ADVANCE_LP_RING();
- overlay->last_flip_req =
- i915_add_request(dev, NULL, request, &dev_priv->render_ring);
+ ret = i915_add_request(dev, NULL, request, &dev_priv->render_ring);
+ if (ret) {
+ kfree(request);
+ return ret;
+ }
+
+ overlay->last_flip_req = request->seqno;
return 0;
}
bool interruptible)
{
struct drm_device *dev = overlay->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
u32 flip_addr = overlay->flip_addr;
struct drm_i915_gem_request *request;
+ int ret;
BUG_ON(!overlay->active);
* of the hw. Do it in both cases */
flip_addr |= OFC_UPDATE;
- BEGIN_LP_RING(6);
+ ret = BEGIN_LP_RING(6);
+ if (ret) {
+ kfree(request);
+ return ret;
+ }
/* wait for overlay to go idle */
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
OUT_RING(flip_addr);
if (request == NULL)
return -ENOMEM;
- BEGIN_LP_RING(2);
+ ret = BEGIN_LP_RING(2);
+ if (ret) {
+ kfree(request);
+ return ret;
+ }
+
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
OUT_RING(MI_NOOP);
ADVANCE_LP_RING();
if (ret != 0)
return ret;
- ret = i915_gem_object_pin(new_bo, PAGE_SIZE);
+ ret = i915_gem_object_pin(new_bo, PAGE_SIZE, true);
if (ret != 0)
return ret;
}
overlay->flip_addr = overlay->reg_bo->phys_obj->handle->busaddr;
} else {
- ret = i915_gem_object_pin(reg_bo, PAGE_SIZE);
+ ret = i915_gem_object_pin(reg_bo, PAGE_SIZE, true);
if (ret) {
DRM_ERROR("failed to pin overlay register bo\n");
goto out_free_bo;
}
static void
-render_ring_flush(struct drm_device *dev,
- struct intel_ring_buffer *ring,
+render_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
{
+ struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
u32 cmd;
#if WATCH_EXEC
DRM_INFO("%s: queue flush %08x to ring\n", __func__, cmd);
#endif
- intel_ring_begin(dev, ring, 2);
- intel_ring_emit(dev, ring, cmd);
- intel_ring_emit(dev, ring, MI_NOOP);
- intel_ring_advance(dev, ring);
+ if (intel_ring_begin(ring, 2) == 0) {
+ intel_ring_emit(ring, cmd);
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
+ }
}
}
-static void ring_write_tail(struct drm_device *dev,
- struct intel_ring_buffer *ring,
+static void ring_write_tail(struct intel_ring_buffer *ring,
u32 value)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_i915_private_t *dev_priv = ring->dev->dev_private;
I915_WRITE_TAIL(ring, value);
}
-u32 intel_ring_get_active_head(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+u32 intel_ring_get_active_head(struct intel_ring_buffer *ring)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- u32 acthd_reg = INTEL_INFO(dev)->gen >= 4 ?
+ drm_i915_private_t *dev_priv = ring->dev->dev_private;
+ u32 acthd_reg = INTEL_INFO(ring->dev)->gen >= 4 ?
RING_ACTHD(ring->mmio_base) : ACTHD;
return I915_READ(acthd_reg);
}
-static int init_ring_common(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+static int init_ring_common(struct intel_ring_buffer *ring)
{
+ drm_i915_private_t *dev_priv = ring->dev->dev_private;
+ struct drm_i915_gem_object *obj_priv = to_intel_bo(ring->gem_object);
u32 head;
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *obj_priv;
- obj_priv = to_intel_bo(ring->gem_object);
/* Stop the ring if it's running. */
I915_WRITE_CTL(ring, 0);
I915_WRITE_HEAD(ring, 0);
- ring->write_tail(dev, ring, 0);
+ ring->write_tail(ring, 0);
/* Initialize the ring. */
I915_WRITE_START(ring, obj_priv->gtt_offset);
}
I915_WRITE_CTL(ring,
- ((ring->gem_object->size - PAGE_SIZE) & RING_NR_PAGES)
+ ((ring->size - PAGE_SIZE) & RING_NR_PAGES)
| RING_REPORT_64K | RING_VALID);
- head = I915_READ_HEAD(ring) & HEAD_ADDR;
/* If the head is still not zero, the ring is dead */
- if (head != 0) {
+ if ((I915_READ_CTL(ring) & RING_VALID) == 0 ||
+ I915_READ_START(ring) != obj_priv->gtt_offset ||
+ (I915_READ_HEAD(ring) & HEAD_ADDR) != 0) {
DRM_ERROR("%s initialization failed "
"ctl %08x head %08x tail %08x start %08x\n",
ring->name,
return -EIO;
}
- if (!drm_core_check_feature(dev, DRIVER_MODESET))
- i915_kernel_lost_context(dev);
+ if (!drm_core_check_feature(ring->dev, DRIVER_MODESET))
+ i915_kernel_lost_context(ring->dev);
else {
ring->head = I915_READ_HEAD(ring) & HEAD_ADDR;
ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
return 0;
}
-static int init_render_ring(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+static int init_render_ring(struct intel_ring_buffer *ring)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- int ret = init_ring_common(dev, ring);
- int mode;
+ struct drm_device *dev = ring->dev;
+ int ret = init_ring_common(ring);
if (INTEL_INFO(dev)->gen > 3) {
- mode = VS_TIMER_DISPATCH << 16 | VS_TIMER_DISPATCH;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int mode = VS_TIMER_DISPATCH << 16 | VS_TIMER_DISPATCH;
if (IS_GEN6(dev))
mode |= MI_FLUSH_ENABLE << 16 | MI_FLUSH_ENABLE;
I915_WRITE(MI_MODE, mode);
}
+
return ret;
}
-#define PIPE_CONTROL_FLUSH(addr) \
+#define PIPE_CONTROL_FLUSH(ring__, addr__) \
do { \
- OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE | \
+ intel_ring_emit(ring__, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE | \
PIPE_CONTROL_DEPTH_STALL | 2); \
- OUT_RING(addr | PIPE_CONTROL_GLOBAL_GTT); \
- OUT_RING(0); \
- OUT_RING(0); \
+ intel_ring_emit(ring__, (addr__) | PIPE_CONTROL_GLOBAL_GTT); \
+ intel_ring_emit(ring__, 0); \
+ intel_ring_emit(ring__, 0); \
} while (0)
/**
*
* Returned sequence numbers are nonzero on success.
*/
-static u32
-render_ring_add_request(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- u32 flush_domains)
+static int
+render_ring_add_request(struct intel_ring_buffer *ring,
+ u32 *result)
{
+ struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- u32 seqno;
-
- seqno = i915_gem_get_seqno(dev);
+ u32 seqno = i915_gem_get_seqno(dev);
+ int ret;
if (IS_GEN6(dev)) {
- BEGIN_LP_RING(6);
- OUT_RING(GFX_OP_PIPE_CONTROL | 3);
- OUT_RING(PIPE_CONTROL_QW_WRITE |
- PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_IS_FLUSH |
- PIPE_CONTROL_NOTIFY);
- OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
- OUT_RING(seqno);
- OUT_RING(0);
- OUT_RING(0);
- ADVANCE_LP_RING();
+ ret = intel_ring_begin(ring, 6);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | 3);
+ intel_ring_emit(ring, PIPE_CONTROL_QW_WRITE |
+ PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_IS_FLUSH |
+ PIPE_CONTROL_NOTIFY);
+ intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
+ intel_ring_emit(ring, seqno);
+ intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, 0);
} else if (HAS_PIPE_CONTROL(dev)) {
u32 scratch_addr = dev_priv->seqno_gfx_addr + 128;
* PIPE_NOTIFY buffers out to memory before requesting
* an interrupt.
*/
- BEGIN_LP_RING(32);
- OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
- PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH);
- OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
- OUT_RING(seqno);
- OUT_RING(0);
- PIPE_CONTROL_FLUSH(scratch_addr);
+ ret = intel_ring_begin(ring, 32);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
+ PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH);
+ intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
+ intel_ring_emit(ring, seqno);
+ intel_ring_emit(ring, 0);
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128; /* write to separate cachelines */
- PIPE_CONTROL_FLUSH(scratch_addr);
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
- PIPE_CONTROL_FLUSH(scratch_addr);
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
- PIPE_CONTROL_FLUSH(scratch_addr);
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
- PIPE_CONTROL_FLUSH(scratch_addr);
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
- PIPE_CONTROL_FLUSH(scratch_addr);
- OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
- PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH |
- PIPE_CONTROL_NOTIFY);
- OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
- OUT_RING(seqno);
- OUT_RING(0);
- ADVANCE_LP_RING();
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
+ intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
+ PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH |
+ PIPE_CONTROL_NOTIFY);
+ intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
+ intel_ring_emit(ring, seqno);
+ intel_ring_emit(ring, 0);
} else {
- BEGIN_LP_RING(4);
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(seqno);
+ ret = intel_ring_begin(ring, 4);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
+ intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ intel_ring_emit(ring, seqno);
- OUT_RING(MI_USER_INTERRUPT);
- ADVANCE_LP_RING();
+ intel_ring_emit(ring, MI_USER_INTERRUPT);
}
- return seqno;
+
+ intel_ring_advance(ring);
+ *result = seqno;
+ return 0;
}
static u32
-render_ring_get_seqno(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+render_ring_get_seqno(struct intel_ring_buffer *ring)
{
+ struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
if (HAS_PIPE_CONTROL(dev))
return ((volatile u32 *)(dev_priv->seqno_page))[0];
}
static void
-render_ring_get_user_irq(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+render_ring_get_user_irq(struct intel_ring_buffer *ring)
{
+ struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
unsigned long irqflags;
}
static void
-render_ring_put_user_irq(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+render_ring_put_user_irq(struct intel_ring_buffer *ring)
{
+ struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
unsigned long irqflags;
spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
}
-void intel_ring_setup_status_page(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+void intel_ring_setup_status_page(struct intel_ring_buffer *ring)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- if (IS_GEN6(dev)) {
- I915_WRITE(RING_HWS_PGA_GEN6(ring->mmio_base),
- ring->status_page.gfx_addr);
- I915_READ(RING_HWS_PGA_GEN6(ring->mmio_base)); /* posting read */
- } else {
- I915_WRITE(RING_HWS_PGA(ring->mmio_base),
- ring->status_page.gfx_addr);
- I915_READ(RING_HWS_PGA(ring->mmio_base)); /* posting read */
- }
-
+ drm_i915_private_t *dev_priv = ring->dev->dev_private;
+ u32 mmio = IS_GEN6(ring->dev) ?
+ RING_HWS_PGA_GEN6(ring->mmio_base) :
+ RING_HWS_PGA(ring->mmio_base);
+ I915_WRITE(mmio, (u32)ring->status_page.gfx_addr);
+ POSTING_READ(mmio);
}
static void
-bsd_ring_flush(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- u32 invalidate_domains,
- u32 flush_domains)
-{
- intel_ring_begin(dev, ring, 2);
- intel_ring_emit(dev, ring, MI_FLUSH);
- intel_ring_emit(dev, ring, MI_NOOP);
- intel_ring_advance(dev, ring);
-}
-
-static int init_bsd_ring(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+bsd_ring_flush(struct intel_ring_buffer *ring,
+ u32 invalidate_domains,
+ u32 flush_domains)
{
- return init_ring_common(dev, ring);
+ if (intel_ring_begin(ring, 2) == 0) {
+ intel_ring_emit(ring, MI_FLUSH);
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
+ }
}
-static u32
-ring_add_request(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- u32 flush_domains)
+static int
+ring_add_request(struct intel_ring_buffer *ring,
+ u32 *result)
{
u32 seqno;
+ int ret;
- seqno = i915_gem_get_seqno(dev);
+ ret = intel_ring_begin(ring, 4);
+ if (ret)
+ return ret;
- intel_ring_begin(dev, ring, 4);
- intel_ring_emit(dev, ring, MI_STORE_DWORD_INDEX);
- intel_ring_emit(dev, ring,
- I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- intel_ring_emit(dev, ring, seqno);
- intel_ring_emit(dev, ring, MI_USER_INTERRUPT);
- intel_ring_advance(dev, ring);
+ seqno = i915_gem_get_seqno(ring->dev);
- DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno);
+ intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
+ intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ intel_ring_emit(ring, seqno);
+ intel_ring_emit(ring, MI_USER_INTERRUPT);
+ intel_ring_advance(ring);
- return seqno;
+ DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno);
+ *result = seqno;
+ return 0;
}
static void
-bsd_ring_get_user_irq(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+bsd_ring_get_user_irq(struct intel_ring_buffer *ring)
{
/* do nothing */
}
static void
-bsd_ring_put_user_irq(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+bsd_ring_put_user_irq(struct intel_ring_buffer *ring)
{
/* do nothing */
}
static u32
-ring_status_page_get_seqno(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+ring_status_page_get_seqno(struct intel_ring_buffer *ring)
{
return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
}
static int
-ring_dispatch_gem_execbuffer(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- struct drm_i915_gem_execbuffer2 *exec,
- struct drm_clip_rect *cliprects,
- uint64_t exec_offset)
+ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
+ struct drm_i915_gem_execbuffer2 *exec,
+ struct drm_clip_rect *cliprects,
+ uint64_t exec_offset)
{
uint32_t exec_start;
+ int ret;
+
exec_start = (uint32_t) exec_offset + exec->batch_start_offset;
- intel_ring_begin(dev, ring, 2);
- intel_ring_emit(dev, ring, MI_BATCH_BUFFER_START |
- (2 << 6) | MI_BATCH_NON_SECURE_I965);
- intel_ring_emit(dev, ring, exec_start);
- intel_ring_advance(dev, ring);
+
+ ret = intel_ring_begin(ring, 2);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring,
+ MI_BATCH_BUFFER_START |
+ (2 << 6) |
+ MI_BATCH_NON_SECURE_I965);
+ intel_ring_emit(ring, exec_start);
+ intel_ring_advance(ring);
+
return 0;
}
static int
-render_ring_dispatch_gem_execbuffer(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- struct drm_i915_gem_execbuffer2 *exec,
- struct drm_clip_rect *cliprects,
- uint64_t exec_offset)
+render_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
+ struct drm_i915_gem_execbuffer2 *exec,
+ struct drm_clip_rect *cliprects,
+ uint64_t exec_offset)
{
+ struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
int nbox = exec->num_cliprects;
- int i = 0, count;
uint32_t exec_start, exec_len;
+ int i, count, ret;
+
exec_start = (uint32_t) exec_offset + exec->batch_start_offset;
exec_len = (uint32_t) exec->batch_len;
trace_i915_gem_request_submit(dev, dev_priv->next_seqno + 1);
count = nbox ? nbox : 1;
-
for (i = 0; i < count; i++) {
if (i < nbox) {
- int ret = i915_emit_box(dev, cliprects, i,
- exec->DR1, exec->DR4);
+ ret = i915_emit_box(dev, cliprects, i,
+ exec->DR1, exec->DR4);
if (ret)
return ret;
}
if (IS_I830(dev) || IS_845G(dev)) {
- intel_ring_begin(dev, ring, 4);
- intel_ring_emit(dev, ring, MI_BATCH_BUFFER);
- intel_ring_emit(dev, ring,
- exec_start | MI_BATCH_NON_SECURE);
- intel_ring_emit(dev, ring, exec_start + exec_len - 4);
- intel_ring_emit(dev, ring, 0);
+ ret = intel_ring_begin(ring, 4);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, MI_BATCH_BUFFER);
+ intel_ring_emit(ring, exec_start | MI_BATCH_NON_SECURE);
+ intel_ring_emit(ring, exec_start + exec_len - 4);
+ intel_ring_emit(ring, 0);
} else {
- intel_ring_begin(dev, ring, 2);
+ ret = intel_ring_begin(ring, 2);
+ if (ret)
+ return ret;
+
if (INTEL_INFO(dev)->gen >= 4) {
- intel_ring_emit(dev, ring,
+ intel_ring_emit(ring,
MI_BATCH_BUFFER_START | (2 << 6)
| MI_BATCH_NON_SECURE_I965);
- intel_ring_emit(dev, ring, exec_start);
+ intel_ring_emit(ring, exec_start);
} else {
- intel_ring_emit(dev, ring, MI_BATCH_BUFFER_START
+ intel_ring_emit(ring, MI_BATCH_BUFFER_START
| (2 << 6));
- intel_ring_emit(dev, ring, exec_start |
+ intel_ring_emit(ring, exec_start |
MI_BATCH_NON_SECURE);
}
}
- intel_ring_advance(dev, ring);
+ intel_ring_advance(ring);
}
if (IS_G4X(dev) || IS_GEN5(dev)) {
- intel_ring_begin(dev, ring, 2);
- intel_ring_emit(dev, ring, MI_FLUSH |
- MI_NO_WRITE_FLUSH |
- MI_INVALIDATE_ISP );
- intel_ring_emit(dev, ring, MI_NOOP);
- intel_ring_advance(dev, ring);
+ if (intel_ring_begin(ring, 2) == 0) {
+ intel_ring_emit(ring, MI_FLUSH |
+ MI_NO_WRITE_FLUSH |
+ MI_INVALIDATE_ISP );
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
+ }
}
/* XXX breadcrumb */
return 0;
}
-static void cleanup_status_page(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+static void cleanup_status_page(struct intel_ring_buffer *ring)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_i915_private_t *dev_priv = ring->dev->dev_private;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
}
-static int init_status_page(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+static int init_status_page(struct intel_ring_buffer *ring)
{
+ struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
obj_priv = to_intel_bo(obj);
obj_priv->agp_type = AGP_USER_CACHED_MEMORY;
- ret = i915_gem_object_pin(obj, 4096);
+ ret = i915_gem_object_pin(obj, 4096, true);
if (ret != 0) {
goto err_unref;
}
ring->status_page.obj = obj;
memset(ring->status_page.page_addr, 0, PAGE_SIZE);
- intel_ring_setup_status_page(dev, ring);
+ intel_ring_setup_status_page(ring);
DRM_DEBUG_DRIVER("%s hws offset: 0x%08x\n",
ring->name, ring->status_page.gfx_addr);
int intel_init_ring_buffer(struct drm_device *dev,
struct intel_ring_buffer *ring)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv;
struct drm_gem_object *obj;
int ret;
INIT_LIST_HEAD(&ring->gpu_write_list);
if (I915_NEED_GFX_HWS(dev)) {
- ret = init_status_page(dev, ring);
+ ret = init_status_page(ring);
if (ret)
return ret;
}
ring->gem_object = obj;
- ret = i915_gem_object_pin(obj, PAGE_SIZE);
+ ret = i915_gem_object_pin(obj, PAGE_SIZE, true);
if (ret)
goto err_unref;
}
ring->virtual_start = ring->map.handle;
- ret = ring->init(dev, ring);
+ ret = ring->init(ring);
if (ret)
goto err_unmap;
- if (!drm_core_check_feature(dev, DRIVER_MODESET))
- i915_kernel_lost_context(dev);
- else {
- ring->head = I915_READ_HEAD(ring) & HEAD_ADDR;
- ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
- ring->space = ring->head - (ring->tail + 8);
- if (ring->space < 0)
- ring->space += ring->size;
- }
- return ret;
+ return 0;
err_unmap:
drm_core_ioremapfree(&ring->map, dev);
drm_gem_object_unreference(obj);
ring->gem_object = NULL;
err_hws:
- cleanup_status_page(dev, ring);
+ cleanup_status_page(ring);
return ret;
}
-void intel_cleanup_ring_buffer(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring)
{
+ struct drm_i915_private *dev_priv;
+ int ret;
+
if (ring->gem_object == NULL)
return;
- drm_core_ioremapfree(&ring->map, dev);
+ /* Disable the ring buffer. The ring must be idle at this point */
+ dev_priv = ring->dev->dev_private;
+ ret = intel_wait_ring_buffer(ring, ring->size - 8);
+ I915_WRITE_CTL(ring, 0);
+
+ drm_core_ioremapfree(&ring->map, ring->dev);
i915_gem_object_unpin(ring->gem_object);
drm_gem_object_unreference(ring->gem_object);
if (ring->cleanup)
ring->cleanup(ring);
- cleanup_status_page(dev, ring);
+ cleanup_status_page(ring);
}
-static int intel_wrap_ring_buffer(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+static int intel_wrap_ring_buffer(struct intel_ring_buffer *ring)
{
unsigned int *virt;
int rem;
rem = ring->size - ring->tail;
if (ring->space < rem) {
- int ret = intel_wait_ring_buffer(dev, ring, rem);
+ int ret = intel_wait_ring_buffer(ring, rem);
if (ret)
return ret;
}
return 0;
}
-int intel_wait_ring_buffer(struct drm_device *dev,
- struct intel_ring_buffer *ring, int n)
+int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
{
+ struct drm_device *dev = ring->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long end;
- drm_i915_private_t *dev_priv = dev->dev_private;
u32 head;
head = intel_read_status_page(ring, 4);
if (ring->space < 0)
ring->space += ring->size;
if (ring->space >= n) {
- trace_i915_ring_wait_end (dev);
+ trace_i915_ring_wait_end(dev);
return 0;
}
}
msleep(1);
+ if (atomic_read(&dev_priv->mm.wedged))
+ return -EAGAIN;
} while (!time_after(jiffies, end));
trace_i915_ring_wait_end (dev);
return -EBUSY;
}
-void intel_ring_begin(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- int num_dwords)
+int intel_ring_begin(struct intel_ring_buffer *ring,
+ int num_dwords)
{
int n = 4*num_dwords;
- if (unlikely(ring->tail + n > ring->size))
- intel_wrap_ring_buffer(dev, ring);
- if (unlikely(ring->space < n))
- intel_wait_ring_buffer(dev, ring, n);
+ int ret;
+
+ if (unlikely(ring->tail + n > ring->size)) {
+ ret = intel_wrap_ring_buffer(ring);
+ if (unlikely(ret))
+ return ret;
+ }
+
+ if (unlikely(ring->space < n)) {
+ ret = intel_wait_ring_buffer(ring, n);
+ if (unlikely(ret))
+ return ret;
+ }
ring->space -= n;
+ return 0;
}
-void intel_ring_advance(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+void intel_ring_advance(struct intel_ring_buffer *ring)
{
ring->tail &= ring->size - 1;
- ring->write_tail(dev, ring, ring->tail);
+ ring->write_tail(ring, ring->tail);
}
static const struct intel_ring_buffer render_ring = {
.get_seqno = render_ring_get_seqno,
.user_irq_get = render_ring_get_user_irq,
.user_irq_put = render_ring_put_user_irq,
- .dispatch_gem_execbuffer = render_ring_dispatch_gem_execbuffer,
+ .dispatch_execbuffer = render_ring_dispatch_execbuffer,
};
/* ring buffer for bit-stream decoder */
.id = RING_BSD,
.mmio_base = BSD_RING_BASE,
.size = 32 * PAGE_SIZE,
- .init = init_bsd_ring,
+ .init = init_ring_common,
.write_tail = ring_write_tail,
.flush = bsd_ring_flush,
.add_request = ring_add_request,
.get_seqno = ring_status_page_get_seqno,
.user_irq_get = bsd_ring_get_user_irq,
.user_irq_put = bsd_ring_put_user_irq,
- .dispatch_gem_execbuffer = ring_dispatch_gem_execbuffer,
+ .dispatch_execbuffer = ring_dispatch_execbuffer,
};
-static void gen6_bsd_ring_write_tail(struct drm_device *dev,
- struct intel_ring_buffer *ring,
+static void gen6_bsd_ring_write_tail(struct intel_ring_buffer *ring,
u32 value)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_i915_private_t *dev_priv = ring->dev->dev_private;
/* Every tail move must follow the sequence below */
I915_WRITE(GEN6_BSD_SLEEP_PSMI_CONTROL,
GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_ENABLE);
}
-static void gen6_ring_flush(struct drm_device *dev,
- struct intel_ring_buffer *ring,
+static void gen6_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
{
- intel_ring_begin(dev, ring, 4);
- intel_ring_emit(dev, ring, MI_FLUSH_DW);
- intel_ring_emit(dev, ring, 0);
- intel_ring_emit(dev, ring, 0);
- intel_ring_emit(dev, ring, 0);
- intel_ring_advance(dev, ring);
+ if (intel_ring_begin(ring, 4) == 0) {
+ intel_ring_emit(ring, MI_FLUSH_DW);
+ intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, 0);
+ intel_ring_advance(ring);
+ }
}
static int
-gen6_ring_dispatch_gem_execbuffer(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- struct drm_i915_gem_execbuffer2 *exec,
- struct drm_clip_rect *cliprects,
- uint64_t exec_offset)
+gen6_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
+ struct drm_i915_gem_execbuffer2 *exec,
+ struct drm_clip_rect *cliprects,
+ uint64_t exec_offset)
{
uint32_t exec_start;
+ int ret;
exec_start = (uint32_t) exec_offset + exec->batch_start_offset;
- intel_ring_begin(dev, ring, 2);
- intel_ring_emit(dev, ring,
- MI_BATCH_BUFFER_START | MI_BATCH_NON_SECURE_I965);
+ ret = intel_ring_begin(ring, 2);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_NON_SECURE_I965);
/* bit0-7 is the length on GEN6+ */
- intel_ring_emit(dev, ring, exec_start);
- intel_ring_advance(dev, ring);
+ intel_ring_emit(ring, exec_start);
+ intel_ring_advance(ring);
return 0;
}
.id = RING_BSD,
.mmio_base = GEN6_BSD_RING_BASE,
.size = 32 * PAGE_SIZE,
- .init = init_bsd_ring,
+ .init = init_ring_common,
.write_tail = gen6_bsd_ring_write_tail,
.flush = gen6_ring_flush,
.add_request = ring_add_request,
.get_seqno = ring_status_page_get_seqno,
.user_irq_get = bsd_ring_get_user_irq,
.user_irq_put = bsd_ring_put_user_irq,
- .dispatch_gem_execbuffer = gen6_ring_dispatch_gem_execbuffer,
+ .dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
};
/* Blitter support (SandyBridge+) */
static void
-blt_ring_get_user_irq(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+blt_ring_get_user_irq(struct intel_ring_buffer *ring)
{
/* do nothing */
}
static void
-blt_ring_put_user_irq(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+blt_ring_put_user_irq(struct intel_ring_buffer *ring)
{
/* do nothing */
}
return ring->private;
}
-static int blt_ring_init(struct drm_device *dev,
- struct intel_ring_buffer *ring)
+static int blt_ring_init(struct intel_ring_buffer *ring)
{
- if (NEED_BLT_WORKAROUND(dev)) {
+ if (NEED_BLT_WORKAROUND(ring->dev)) {
struct drm_i915_gem_object *obj;
- u32 __iomem *ptr;
+ u32 *ptr;
int ret;
- obj = to_intel_bo(i915_gem_alloc_object(dev, 4096));
+ obj = to_intel_bo(i915_gem_alloc_object(ring->dev, 4096));
if (obj == NULL)
return -ENOMEM;
- ret = i915_gem_object_pin(&obj->base, 4096);
+ ret = i915_gem_object_pin(&obj->base, 4096, true);
if (ret) {
drm_gem_object_unreference(&obj->base);
return ret;
}
ptr = kmap(obj->pages[0]);
- iowrite32(MI_BATCH_BUFFER_END, ptr);
- iowrite32(MI_NOOP, ptr+1);
+ *ptr++ = MI_BATCH_BUFFER_END;
+ *ptr++ = MI_NOOP;
kunmap(obj->pages[0]);
ret = i915_gem_object_set_to_gtt_domain(&obj->base, false);
ring->private = obj;
}
- return init_ring_common(dev, ring);
+ return init_ring_common(ring);
}
-static void blt_ring_begin(struct drm_device *dev,
- struct intel_ring_buffer *ring,
+static int blt_ring_begin(struct intel_ring_buffer *ring,
int num_dwords)
{
if (ring->private) {
- intel_ring_begin(dev, ring, num_dwords+2);
- intel_ring_emit(dev, ring, MI_BATCH_BUFFER_START);
- intel_ring_emit(dev, ring, to_blt_workaround(ring)->gtt_offset);
+ int ret = intel_ring_begin(ring, num_dwords+2);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, MI_BATCH_BUFFER_START);
+ intel_ring_emit(ring, to_blt_workaround(ring)->gtt_offset);
+
+ return 0;
} else
- intel_ring_begin(dev, ring, 4);
+ return intel_ring_begin(ring, 4);
}
-static void blt_ring_flush(struct drm_device *dev,
- struct intel_ring_buffer *ring,
+static void blt_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
{
- blt_ring_begin(dev, ring, 4);
- intel_ring_emit(dev, ring, MI_FLUSH_DW);
- intel_ring_emit(dev, ring, 0);
- intel_ring_emit(dev, ring, 0);
- intel_ring_emit(dev, ring, 0);
- intel_ring_advance(dev, ring);
+ if (blt_ring_begin(ring, 4) == 0) {
+ intel_ring_emit(ring, MI_FLUSH_DW);
+ intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, 0);
+ intel_ring_advance(ring);
+ }
}
-static u32
-blt_ring_add_request(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- u32 flush_domains)
+static int
+blt_ring_add_request(struct intel_ring_buffer *ring,
+ u32 *result)
{
- u32 seqno = i915_gem_get_seqno(dev);
+ u32 seqno;
+ int ret;
+
+ ret = blt_ring_begin(ring, 4);
+ if (ret)
+ return ret;
- blt_ring_begin(dev, ring, 4);
- intel_ring_emit(dev, ring, MI_STORE_DWORD_INDEX);
- intel_ring_emit(dev, ring,
- I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- intel_ring_emit(dev, ring, seqno);
- intel_ring_emit(dev, ring, MI_USER_INTERRUPT);
- intel_ring_advance(dev, ring);
+ seqno = i915_gem_get_seqno(ring->dev);
+
+ intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
+ intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ intel_ring_emit(ring, seqno);
+ intel_ring_emit(ring, MI_USER_INTERRUPT);
+ intel_ring_advance(ring);
DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno);
- return seqno;
+ *result = seqno;
+ return 0;
}
static void blt_ring_cleanup(struct intel_ring_buffer *ring)
.get_seqno = ring_status_page_get_seqno,
.user_irq_get = blt_ring_get_user_irq,
.user_irq_put = blt_ring_put_user_irq,
- .dispatch_gem_execbuffer = gen6_ring_dispatch_gem_execbuffer,
+ .dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
.cleanup = blt_ring_cleanup,
};
#define _INTEL_RINGBUFFER_H_
struct intel_hw_status_page {
- void *page_addr;
+ u32 __iomem *page_addr;
unsigned int gfx_addr;
struct drm_gem_object *obj;
};
-#define I915_READ_TAIL(ring) I915_READ(RING_TAIL(ring->mmio_base))
+#define I915_RING_READ(reg) i915_safe_read(dev_priv, reg)
+
+#define I915_READ_TAIL(ring) I915_RING_READ(RING_TAIL(ring->mmio_base))
#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL(ring->mmio_base), val)
-#define I915_READ_START(ring) I915_READ(RING_START(ring->mmio_base))
+
+#define I915_READ_START(ring) I915_RING_READ(RING_START(ring->mmio_base))
#define I915_WRITE_START(ring, val) I915_WRITE(RING_START(ring->mmio_base), val)
-#define I915_READ_HEAD(ring) I915_READ(RING_HEAD(ring->mmio_base))
+
+#define I915_READ_HEAD(ring) I915_RING_READ(RING_HEAD(ring->mmio_base))
#define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD(ring->mmio_base), val)
-#define I915_READ_CTL(ring) I915_READ(RING_CTL(ring->mmio_base))
+
+#define I915_READ_CTL(ring) I915_RING_READ(RING_CTL(ring->mmio_base))
#define I915_WRITE_CTL(ring, val) I915_WRITE(RING_CTL(ring->mmio_base), val)
struct drm_i915_gem_execbuffer2;
RING_BLT = 0x4,
} id;
u32 mmio_base;
- unsigned long size;
void *virtual_start;
struct drm_device *dev;
struct drm_gem_object *gem_object;
unsigned int head;
unsigned int tail;
int space;
+ int size;
struct intel_hw_status_page status_page;
- u32 irq_gem_seqno; /* last seq seem at irq time */
- u32 waiting_gem_seqno;
+ u32 irq_seqno; /* last seq seem at irq time */
+ u32 waiting_seqno;
int user_irq_refcount;
- void (*user_irq_get)(struct drm_device *dev,
- struct intel_ring_buffer *ring);
- void (*user_irq_put)(struct drm_device *dev,
- struct intel_ring_buffer *ring);
+ void (*user_irq_get)(struct intel_ring_buffer *ring);
+ void (*user_irq_put)(struct intel_ring_buffer *ring);
- int (*init)(struct drm_device *dev,
- struct intel_ring_buffer *ring);
+ int (*init)(struct intel_ring_buffer *ring);
- void (*write_tail)(struct drm_device *dev,
- struct intel_ring_buffer *ring,
+ void (*write_tail)(struct intel_ring_buffer *ring,
u32 value);
- void (*flush)(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- u32 invalidate_domains,
- u32 flush_domains);
- u32 (*add_request)(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- u32 flush_domains);
- u32 (*get_seqno)(struct drm_device *dev,
- struct intel_ring_buffer *ring);
- int (*dispatch_gem_execbuffer)(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- struct drm_i915_gem_execbuffer2 *exec,
- struct drm_clip_rect *cliprects,
- uint64_t exec_offset);
+ void (*flush)(struct intel_ring_buffer *ring,
+ u32 invalidate_domains,
+ u32 flush_domains);
+ int (*add_request)(struct intel_ring_buffer *ring,
+ u32 *seqno);
+ u32 (*get_seqno)(struct intel_ring_buffer *ring);
+ int (*dispatch_execbuffer)(struct intel_ring_buffer *ring,
+ struct drm_i915_gem_execbuffer2 *exec,
+ struct drm_clip_rect *cliprects,
+ uint64_t exec_offset);
void (*cleanup)(struct intel_ring_buffer *ring);
/**
/**
* Do we have some not yet emitted requests outstanding?
*/
- bool outstanding_lazy_request;
+ u32 outstanding_lazy_request;
wait_queue_head_t irq_queue;
drm_local_map_t map;
static inline u32
intel_read_status_page(struct intel_ring_buffer *ring,
- int reg)
+ int reg)
{
- u32 *regs = ring->status_page.page_addr;
- return regs[reg];
+ return ioread32(ring->status_page.page_addr + reg);
}
-int intel_init_ring_buffer(struct drm_device *dev,
- struct intel_ring_buffer *ring);
-void intel_cleanup_ring_buffer(struct drm_device *dev,
- struct intel_ring_buffer *ring);
-int intel_wait_ring_buffer(struct drm_device *dev,
- struct intel_ring_buffer *ring, int n);
-void intel_ring_begin(struct drm_device *dev,
- struct intel_ring_buffer *ring, int n);
-
-static inline void intel_ring_emit(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- unsigned int data)
+void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring);
+int __must_check intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n);
+int __must_check intel_ring_begin(struct intel_ring_buffer *ring, int n);
+
+static inline void intel_ring_emit(struct intel_ring_buffer *ring,
+ u32 data)
{
- unsigned int *virt = ring->virtual_start + ring->tail;
- *virt = data;
+ iowrite32(data, ring->virtual_start + ring->tail);
ring->tail += 4;
}
-void intel_ring_advance(struct drm_device *dev,
- struct intel_ring_buffer *ring);
+void intel_ring_advance(struct intel_ring_buffer *ring);
-u32 intel_ring_get_seqno(struct drm_device *dev,
- struct intel_ring_buffer *ring);
+u32 intel_ring_get_seqno(struct intel_ring_buffer *ring);
int intel_init_render_ring_buffer(struct drm_device *dev);
int intel_init_bsd_ring_buffer(struct drm_device *dev);
int intel_init_blt_ring_buffer(struct drm_device *dev);
-u32 intel_ring_get_active_head(struct drm_device *dev,
- struct intel_ring_buffer *ring);
-void intel_ring_setup_status_page(struct drm_device *dev,
- struct intel_ring_buffer *ring);
+u32 intel_ring_get_active_head(struct intel_ring_buffer *ring);
+void intel_ring_setup_status_page(struct intel_ring_buffer *ring);
#endif /* _INTEL_RINGBUFFER_H_ */
/*@{ */
spinlock_t object_name_lock;
struct idr object_name_idr;
- uint32_t invalidate_domains; /* domains pending invalidation */
- uint32_t flush_domains; /* domains pending flush */
/*@} */
};
struct list_head unused_nodes;
int num_unused;
spinlock_t unused_lock;
+ unsigned int scan_check_range : 1;
unsigned scan_alignment;
unsigned long scan_size;
unsigned long scan_hit_start;
unsigned scan_hit_size;
unsigned scanned_blocks;
+ unsigned long scan_start;
+ unsigned long scan_end;
};
/*
void drm_mm_init_scan(struct drm_mm *mm, unsigned long size,
unsigned alignment);
+void drm_mm_init_scan_with_range(struct drm_mm *mm, unsigned long size,
+ unsigned alignment,
+ unsigned long start,
+ unsigned long end);
int drm_mm_scan_add_block(struct drm_mm_node *node);
int drm_mm_scan_remove_block(struct drm_mm_node *node);
#define I915_PARAM_HAS_EXECBUF2 9
#define I915_PARAM_HAS_BSD 10
#define I915_PARAM_HAS_BLT 11
+#define I915_PARAM_HAS_RELAXED_FENCING 12
typedef struct drm_i915_getparam {
int param;
git.openpandora.org / pandora-kernel.git / commitdiff