return ret;
count = 0;
- if (!list_empty(&dev_priv->render_ring.request_list)) {
+ if (!list_empty(&dev_priv->ring[RCS].request_list)) {
seq_printf(m, "Render requests:\n");
list_for_each_entry(gem_request,
- &dev_priv->render_ring.request_list,
+ &dev_priv->ring[RCS].request_list,
list) {
seq_printf(m, " %d @ %d\n",
gem_request->seqno,
}
count++;
}
- if (!list_empty(&dev_priv->bsd_ring.request_list)) {
+ if (!list_empty(&dev_priv->ring[VCS].request_list)) {
seq_printf(m, "BSD requests:\n");
list_for_each_entry(gem_request,
- &dev_priv->bsd_ring.request_list,
+ &dev_priv->ring[VCS].request_list,
list) {
seq_printf(m, " %d @ %d\n",
gem_request->seqno,
}
count++;
}
- if (!list_empty(&dev_priv->blt_ring.request_list)) {
+ if (!list_empty(&dev_priv->ring[BCS].request_list)) {
seq_printf(m, "BLT requests:\n");
list_for_each_entry(gem_request,
- &dev_priv->blt_ring.request_list,
+ &dev_priv->ring[BCS].request_list,
list) {
seq_printf(m, " %d @ %d\n",
gem_request->seqno,
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 ret;
+ int ret, i;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
- 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);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ i915_ring_seqno_info(m, &dev_priv->ring[i]);
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 ret;
+ int ret, i;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
}
seq_printf(m, "Interrupts received: %d\n",
atomic_read(&dev_priv->irq_received));
- 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);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ i915_ring_seqno_info(m, &dev_priv->ring[i]);
mutex_unlock(&dev->struct_mutex);
return 0;
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;
- }
-
+ ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
hws = (volatile u32 *)ring->status_page.page_addr;
if (hws == NULL)
return 0;
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;
+ ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
if (!ring->obj) {
seq_printf(m, "No ringbuffer setup\n");
} else {
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
- 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;
- }
-
+ ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
if (ring->size == 0)
- return 0;
+ return 0;
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, " NOPID : %08x\n", I915_READ_NOPID(ring));
+ if (IS_GEN6(dev)) {
+ seq_printf(m, " Sync 0 : %08x\n", I915_READ_SYNC_0(ring));
+ seq_printf(m, " Sync 1 : %08x\n", I915_READ_SYNC_1(ring));
+ }
seq_printf(m, " Control : %08x\n", I915_READ_CTL(ring));
seq_printf(m, " Start : %08x\n", I915_READ_START(ring));
{"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, (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_gem_hws", i915_hws_info, 0, (void *)RCS},
+ {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS},
+ {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS},
+ {"i915_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RCS},
+ {"i915_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RCS},
+ {"i915_bsd_ringbuffer_data", i915_ringbuffer_data, 0, (void *)VCS},
+ {"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)VCS},
+ {"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BCS},
+ {"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BCS},
{"i915_batchbuffers", i915_batchbuffer_info, 0},
{"i915_error_state", i915_error_state, 0},
{"i915_rstdby_delays", i915_rstdby_delays, 0},
static int i915_init_phys_hws(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
+
/* Program Hardware Status Page */
dev_priv->status_page_dmah =
drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE);
DRM_ERROR("Can not allocate hardware status page\n");
return -ENOMEM;
}
- dev_priv->render_ring.status_page.page_addr
- = dev_priv->status_page_dmah->vaddr;
+ ring->status_page.page_addr = dev_priv->status_page_dmah->vaddr;
dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
- memset(dev_priv->render_ring.status_page.page_addr, 0, PAGE_SIZE);
+ memset(ring->status_page.page_addr, 0, PAGE_SIZE);
if (INTEL_INFO(dev)->gen >= 4)
dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) &
static void i915_free_hws(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
+
if (dev_priv->status_page_dmah) {
drm_pci_free(dev, dev_priv->status_page_dmah);
dev_priv->status_page_dmah = NULL;
}
- if (dev_priv->render_ring.status_page.gfx_addr) {
- dev_priv->render_ring.status_page.gfx_addr = 0;
+ if (ring->status_page.gfx_addr) {
+ ring->status_page.gfx_addr = 0;
drm_core_ioremapfree(&dev_priv->hws_map, dev);
}
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv;
- struct intel_ring_buffer *ring = &dev_priv->render_ring;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
/*
* We should never lose context on the ring with modesetting
static int i915_dma_cleanup(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ int i;
+
/* Make sure interrupts are disabled here because the uninstall ioctl
* may not have been called from userspace and after dev_private
* is freed, it's too late.
drm_irq_uninstall(dev);
mutex_lock(&dev->struct_mutex);
- intel_cleanup_ring_buffer(&dev_priv->render_ring);
- intel_cleanup_ring_buffer(&dev_priv->bsd_ring);
- intel_cleanup_ring_buffer(&dev_priv->blt_ring);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ intel_cleanup_ring_buffer(&dev_priv->ring[i]);
mutex_unlock(&dev->struct_mutex);
/* Clear the HWS virtual address at teardown */
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
master_priv->sarea = drm_getsarea(dev);
if (master_priv->sarea) {
}
if (init->ring_size != 0) {
- if (dev_priv->render_ring.obj != NULL) {
+ if (ring->obj != NULL) {
i915_dma_cleanup(dev);
DRM_ERROR("Client tried to initialize ringbuffer in "
"GEM mode\n");
return -EINVAL;
}
- dev_priv->render_ring.size = init->ring_size;
+ ring->size = init->ring_size;
- dev_priv->render_ring.map.offset = init->ring_start;
- dev_priv->render_ring.map.size = init->ring_size;
- dev_priv->render_ring.map.type = 0;
- dev_priv->render_ring.map.flags = 0;
- dev_priv->render_ring.map.mtrr = 0;
+ ring->map.offset = init->ring_start;
+ ring->map.size = init->ring_size;
+ ring->map.type = 0;
+ ring->map.flags = 0;
+ ring->map.mtrr = 0;
- drm_core_ioremap_wc(&dev_priv->render_ring.map, dev);
+ drm_core_ioremap_wc(&ring->map, dev);
- if (dev_priv->render_ring.map.handle == NULL) {
+ if (ring->map.handle == NULL) {
i915_dma_cleanup(dev);
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
}
}
- dev_priv->render_ring.virtual_start = dev_priv->render_ring.map.handle;
+ ring->virtual_start = ring->map.handle;
dev_priv->cpp = init->cpp;
dev_priv->back_offset = init->back_offset;
static int i915_dma_resume(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
- struct intel_ring_buffer *ring;
DRM_DEBUG_DRIVER("%s\n", __func__);
- ring = &dev_priv->render_ring;
-
if (ring->map.handle == NULL) {
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
drm_i915_private_t *dev_priv = dev->dev_private;
int i, ret;
- if ((dwords+1) * sizeof(int) >= dev_priv->render_ring.size - 8)
+ if ((dwords+1) * sizeof(int) >= LP_RING(dev_priv)->size - 8)
return -EINVAL;
for (i = 0; i < dwords;) {
return 0;
}
-static int i915_quiescent(struct drm_device * dev)
+static int i915_quiescent(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = LP_RING(dev->dev_private);
i915_kernel_lost_context(dev);
- return intel_wait_ring_buffer(&dev_priv->render_ring,
- dev_priv->render_ring.size - 8);
+ return intel_wait_ring_buffer(ring, ring->size - 8);
}
static int i915_flush_ioctl(struct drm_device *dev, void *data,
{
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_hws_addr_t *hws = data;
- struct intel_ring_buffer *ring = &dev_priv->render_ring;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
if (!I915_NEED_GFX_HWS(dev))
return -EINVAL;
if (!IS_I945G(dev) && !IS_I945GM(dev))
pci_enable_msi(dev->pdev);
- spin_lock_init(&dev_priv->user_irq_lock);
+ spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->error_lock);
dev_priv->trace_irq_seqno = 0;
!dev_priv->mm.suspended) {
dev_priv->mm.suspended = 0;
- dev_priv->render_ring.init(&dev_priv->render_ring);
+ dev_priv->ring[RCS].init(&dev_priv->ring[RCS]);
if (HAS_BSD(dev))
- dev_priv->bsd_ring.init(&dev_priv->bsd_ring);
+ dev_priv->ring[VCS].init(&dev_priv->ring[VCS]);
if (HAS_BLT(dev))
- dev_priv->blt_ring.init(&dev_priv->blt_ring);
+ dev_priv->ring[BCS].init(&dev_priv->ring[BCS]);
mutex_unlock(&dev->struct_mutex);
drm_irq_uninstall(dev);
} *gmbus;
struct pci_dev *bridge_dev;
- struct intel_ring_buffer render_ring;
- struct intel_ring_buffer bsd_ring;
- struct intel_ring_buffer blt_ring;
+ struct intel_ring_buffer ring[I915_NUM_RINGS];
uint32_t next_seqno;
drm_dma_handle_t *status_page_dmah;
int page_flipping;
atomic_t irq_received;
- /** Protects user_irq_refcount and irq_mask_reg */
- spinlock_t user_irq_lock;
u32 trace_irq_seqno;
+
+ /* protects the irq masks */
+ spinlock_t irq_lock;
/** Cached value of IMR to avoid reads in updating the bitfield */
- u32 irq_mask_reg;
u32 pipestat[2];
- /** splitted irq regs for graphics and display engine on Ironlake,
- irq_mask_reg is still used for display irq. */
- u32 gt_irq_mask_reg;
- u32 gt_irq_enable_reg;
- u32 de_irq_enable_reg;
- u32 pch_irq_mask_reg;
- u32 pch_irq_enable_reg;
+ u32 irq_mask;
+ u32 gt_irq_mask;
+ u32 pch_irq_mask;
u32 hotplug_supported_mask;
struct work_struct hotplug_work;
int __must_check i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
bool interruptible);
void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
- struct intel_ring_buffer *ring);
+ struct intel_ring_buffer *ring,
+ u32 seqno);
/**
* Returns true if seq1 is later than seq2.
struct intel_display_error_state *error);
#endif
+#define LP_RING(d) (&((struct drm_i915_private *)(d))->ring[RCS])
+
+#define BEGIN_LP_RING(n) \
+ intel_ring_begin(LP_RING(dev_priv), (n))
+
+#define OUT_RING(x) \
+ intel_ring_emit(LP_RING(dev_priv), x)
+
+#define ADVANCE_LP_RING() \
+ intel_ring_advance(LP_RING(dev_priv))
+
/**
* Lock test for when it's just for synchronization of ring access.
*
* has access to the ring.
*/
#define RING_LOCK_TEST_WITH_RETURN(dev, file) do { \
- if (((drm_i915_private_t *)dev->dev_private)->render_ring.obj \
- == NULL) \
+ if (LP_RING(dev->dev_private)->obj == NULL) \
LOCK_TEST_WITH_RETURN(dev, file); \
} while (0)
}
}
-#define BEGIN_LP_RING(n) \
- intel_ring_begin(&dev_priv->render_ring, (n))
-
-#define OUT_RING(x) \
- intel_ring_emit(&dev_priv->render_ring, x)
-
-#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
* queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
* The area from dword 0x20 to 0x3ff is available for driver usage.
*/
#define READ_HWSP(dev_priv, reg) (((volatile u32 *)\
- (dev_priv->render_ring.status_page.page_addr))[reg])
+ (LP_RING(dev_priv)->status_page.page_addr))[reg])
#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
#define I915_GEM_HWS_INDEX 0x20
#define I915_BREADCRUMB_INDEX 0x21
void
i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
- struct intel_ring_buffer *ring)
+ struct intel_ring_buffer *ring,
+ u32 seqno)
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- uint32_t seqno = i915_gem_next_request_seqno(dev, ring);
BUG_ON(ring == NULL);
obj->ring = ring;
obj->base.write_domain = 0;
list_del_init(&obj->gpu_write_list);
- i915_gem_object_move_to_active(obj, ring);
+ i915_gem_object_move_to_active(obj, ring,
+ i915_gem_next_request_seqno(dev, ring));
trace_i915_gem_object_change_domain(obj,
obj->base.read_domains,
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
+ int i;
- i915_gem_reset_ring_lists(dev_priv, &dev_priv->render_ring);
- i915_gem_reset_ring_lists(dev_priv, &dev_priv->bsd_ring);
- i915_gem_reset_ring_lists(dev_priv, &dev_priv->blt_ring);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ i915_gem_reset_ring_lists(dev_priv, &dev_priv->ring[i]);
/* Remove anything from the flushing lists. The GPU cache is likely
* to be lost on reset along with the data, so simply move the
{
drm_i915_private_t *dev_priv = dev->dev_private;
uint32_t seqno;
+ int i;
if (!ring->status_page.page_addr ||
list_empty(&ring->request_list))
WARN_ON(i915_verify_lists(dev));
seqno = ring->get_seqno(ring);
+
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ if (seqno >= ring->sync_seqno[i])
+ ring->sync_seqno[i] = 0;
+
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(ring);
+ ring->irq_put(ring);
dev_priv->trace_irq_seqno = 0;
}
i915_gem_retire_requests(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ int i;
if (!list_empty(&dev_priv->mm.deferred_free_list)) {
struct drm_i915_gem_object *obj, *next;
i915_gem_free_object_tail(obj);
}
- i915_gem_retire_requests_ring(dev, &dev_priv->render_ring);
- i915_gem_retire_requests_ring(dev, &dev_priv->bsd_ring);
- i915_gem_retire_requests_ring(dev, &dev_priv->blt_ring);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ i915_gem_retire_requests_ring(dev, &dev_priv->ring[i]);
}
static void
i915_gem_retire_requests(dev);
if (!dev_priv->mm.suspended &&
- (!list_empty(&dev_priv->render_ring.request_list) ||
- !list_empty(&dev_priv->bsd_ring.request_list) ||
- !list_empty(&dev_priv->blt_ring.request_list)))
+ (!list_empty(&dev_priv->ring[RCS].request_list) ||
+ !list_empty(&dev_priv->ring[VCS].request_list) ||
+ !list_empty(&dev_priv->ring[BCS].request_list)))
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
mutex_unlock(&dev->struct_mutex);
}
trace_i915_gem_request_wait_begin(dev, seqno);
ring->waiting_seqno = seqno;
- ring->user_irq_get(ring);
+ ring->irq_get(ring);
if (interruptible)
ret = wait_event_interruptible(ring->irq_queue,
i915_seqno_passed(ring->get_seqno(ring), seqno)
i915_seqno_passed(ring->get_seqno(ring), seqno)
|| atomic_read(&dev_priv->mm.wedged));
- ring->user_irq_put(ring);
+ ring->irq_put(ring);
ring->waiting_seqno = 0;
trace_i915_gem_request_wait_end(dev, seqno);
{
drm_i915_private_t *dev_priv = dev->dev_private;
bool lists_empty;
- int ret;
+ int ret, i;
lists_empty = (list_empty(&dev_priv->mm.flushing_list) &&
list_empty(&dev_priv->mm.active_list));
return 0;
/* Flush everything onto the inactive list. */
- ret = i915_ring_idle(dev, &dev_priv->render_ring);
- if (ret)
- return ret;
-
- ret = i915_ring_idle(dev, &dev_priv->bsd_ring);
- if (ret)
- return ret;
-
- ret = i915_ring_idle(dev, &dev_priv->blt_ring);
- if (ret)
- return ret;
+ for (i = 0; i < I915_NUM_RINGS; i++) {
+ ret = i915_ring_idle(dev, &dev_priv->ring[i]);
+ if (ret)
+ return ret;
+ }
return 0;
}
* generation is designed to be run atomically and so is
* lockless.
*/
- ring->user_irq_get(ring);
+ ring->irq_get(ring);
ret = wait_event_interruptible(ring->irq_queue,
i915_seqno_passed(ring->get_seqno(ring), seqno)
|| atomic_read(&dev_priv->mm.wedged));
- ring->user_irq_put(ring);
+ ring->irq_put(ring);
if (ret == 0 && atomic_read(&dev_priv->mm.wedged))
ret = -EIO;
return 0;
cleanup_bsd_ring:
- intel_cleanup_ring_buffer(&dev_priv->bsd_ring);
+ intel_cleanup_ring_buffer(&dev_priv->ring[VCS]);
cleanup_render_ring:
- intel_cleanup_ring_buffer(&dev_priv->render_ring);
+ intel_cleanup_ring_buffer(&dev_priv->ring[RCS]);
return ret;
}
i915_gem_cleanup_ringbuffer(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ int i;
- intel_cleanup_ring_buffer(&dev_priv->render_ring);
- intel_cleanup_ring_buffer(&dev_priv->bsd_ring);
- intel_cleanup_ring_buffer(&dev_priv->blt_ring);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ intel_cleanup_ring_buffer(&dev_priv->ring[i]);
}
int
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- int ret;
+ int ret, i;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return 0;
}
BUG_ON(!list_empty(&dev_priv->mm.active_list));
- BUG_ON(!list_empty(&dev_priv->render_ring.active_list));
- BUG_ON(!list_empty(&dev_priv->bsd_ring.active_list));
- BUG_ON(!list_empty(&dev_priv->blt_ring.active_list));
BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
- BUG_ON(!list_empty(&dev_priv->render_ring.request_list));
- BUG_ON(!list_empty(&dev_priv->bsd_ring.request_list));
- BUG_ON(!list_empty(&dev_priv->blt_ring.request_list));
+ for (i = 0; i < I915_NUM_RINGS; i++) {
+ BUG_ON(!list_empty(&dev_priv->ring[i].active_list));
+ BUG_ON(!list_empty(&dev_priv->ring[i].request_list));
+ }
mutex_unlock(&dev->struct_mutex);
ret = drm_irq_install(dev);
INIT_LIST_HEAD(&dev_priv->mm.fence_list);
INIT_LIST_HEAD(&dev_priv->mm.deferred_free_list);
INIT_LIST_HEAD(&dev_priv->mm.gtt_list);
- init_ring_lists(&dev_priv->render_ring);
- init_ring_lists(&dev_priv->bsd_ring);
- init_ring_lists(&dev_priv->blt_ring);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ init_ring_lists(&dev_priv->ring[i]);
for (i = 0; i < 16; i++)
INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
uint32_t flush_rings)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ int i;
if (flush_domains & I915_GEM_DOMAIN_CPU)
intel_gtt_chipset_flush();
if ((flush_domains | invalidate_domains) & I915_GEM_GPU_DOMAINS) {
- if (flush_rings & RING_RENDER)
- i915_gem_flush_ring(dev, &dev_priv->render_ring,
- invalidate_domains, flush_domains);
- if (flush_rings & RING_BSD)
- i915_gem_flush_ring(dev, &dev_priv->bsd_ring,
- invalidate_domains, flush_domains);
- if (flush_rings & RING_BLT)
- i915_gem_flush_ring(dev, &dev_priv->blt_ring,
- invalidate_domains, flush_domains);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ if (flush_rings & (1 << i))
+ i915_gem_flush_ring(dev, &dev_priv->ring[i],
+ invalidate_domains,
+ flush_domains);
}
}
+static int
+i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
+ struct intel_ring_buffer *to)
+{
+ struct intel_ring_buffer *from = obj->ring;
+ u32 seqno;
+ int ret, idx;
+
+ if (from == NULL || to == from)
+ return 0;
+
+ if (INTEL_INFO(obj->base.dev)->gen < 6)
+ return i915_gem_object_wait_rendering(obj, true);
+
+ idx = intel_ring_sync_index(from, to);
+
+ seqno = obj->last_rendering_seqno;
+ if (seqno <= from->sync_seqno[idx])
+ return 0;
+
+ if (seqno == from->outstanding_lazy_request) {
+ struct drm_i915_gem_request *request;
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL)
+ return -ENOMEM;
+
+ ret = i915_add_request(obj->base.dev, NULL, request, from);
+ if (ret) {
+ kfree(request);
+ return ret;
+ }
+
+ seqno = request->seqno;
+ }
+
+ from->sync_seqno[idx] = seqno;
+ return intel_ring_sync(to, from, seqno - 1);
+}
static int
i915_gem_execbuffer_move_to_gpu(struct intel_ring_buffer *ring,
}
list_for_each_entry(obj, objects, exec_list) {
- /* XXX replace with semaphores */
- if (obj->ring && ring != obj->ring) {
- ret = i915_gem_object_wait_rendering(obj, true);
- if (ret)
- return ret;
- }
+ ret = i915_gem_execbuffer_sync_rings(obj, ring);
+ if (ret)
+ return ret;
}
return 0;
static void
i915_gem_execbuffer_move_to_active(struct list_head *objects,
- struct intel_ring_buffer *ring)
+ struct intel_ring_buffer *ring,
+ u32 seqno)
{
struct drm_i915_gem_object *obj;
obj->base.write_domain = obj->base.pending_write_domain;
obj->fenced_gpu_access = obj->pending_fenced_gpu_access;
- i915_gem_object_move_to_active(obj, ring);
+ i915_gem_object_move_to_active(obj, ring, seqno);
if (obj->base.write_domain) {
obj->dirty = 1;
obj->pending_gpu_write = true;
struct drm_clip_rect *cliprects = NULL;
struct intel_ring_buffer *ring;
u32 exec_start, exec_len;
+ u32 seqno;
int ret, i;
if (!i915_gem_check_execbuffer(args)) {
switch (args->flags & I915_EXEC_RING_MASK) {
case I915_EXEC_DEFAULT:
case I915_EXEC_RENDER:
- ring = &dev_priv->render_ring;
+ ring = &dev_priv->ring[RCS];
break;
case I915_EXEC_BSD:
if (!HAS_BSD(dev)) {
DRM_ERROR("execbuf with invalid ring (BSD)\n");
return -EINVAL;
}
- ring = &dev_priv->bsd_ring;
+ ring = &dev_priv->ring[VCS];
break;
case I915_EXEC_BLT:
if (!HAS_BLT(dev)) {
DRM_ERROR("execbuf with invalid ring (BLT)\n");
return -EINVAL;
}
- ring = &dev_priv->blt_ring;
+ ring = &dev_priv->ring[BCS];
break;
default:
DRM_ERROR("execbuf with unknown ring: %d\n",
}
if (args->num_cliprects != 0) {
- if (ring != &dev_priv->render_ring) {
+ if (ring != &dev_priv->ring[RCS]) {
DRM_ERROR("clip rectangles are only valid with the render ring\n");
return -EINVAL;
}
if (ret)
goto err;
+ seqno = i915_gem_next_request_seqno(dev, ring);
+ for (i = 0; i < I915_NUM_RINGS-1; i++) {
+ if (seqno < ring->sync_seqno[i]) {
+ /* The GPU can not handle its semaphore value wrapping,
+ * so every billion or so execbuffers, we need to stall
+ * the GPU in order to reset the counters.
+ */
+ ret = i915_gpu_idle(dev);
+ if (ret)
+ goto err;
+
+ BUG_ON(ring->sync_seqno[i]);
+ }
+ }
+
exec_start = batch_obj->gtt_offset + args->batch_start_offset;
exec_len = args->batch_len;
if (cliprects) {
goto err;
}
- i915_gem_execbuffer_move_to_active(&objects, ring);
+ i915_gem_execbuffer_move_to_active(&objects, ring, seqno);
i915_gem_execbuffer_retire_commands(dev, file, ring);
err:
void
ironlake_enable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
{
- if ((dev_priv->gt_irq_mask_reg & mask) != 0) {
- dev_priv->gt_irq_mask_reg &= ~mask;
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask_reg);
+ if ((dev_priv->gt_irq_mask & mask) != 0) {
+ dev_priv->gt_irq_mask &= ~mask;
+ I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
}
}
void
ironlake_disable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
{
- if ((dev_priv->gt_irq_mask_reg & mask) != mask) {
- dev_priv->gt_irq_mask_reg |= mask;
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask_reg);
+ if ((dev_priv->gt_irq_mask & mask) != mask) {
+ dev_priv->gt_irq_mask |= mask;
+ I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
}
}
static void
ironlake_enable_display_irq(drm_i915_private_t *dev_priv, u32 mask)
{
- if ((dev_priv->irq_mask_reg & mask) != 0) {
- dev_priv->irq_mask_reg &= ~mask;
- I915_WRITE(DEIMR, dev_priv->irq_mask_reg);
+ if ((dev_priv->irq_mask & mask) != 0) {
+ dev_priv->irq_mask &= ~mask;
+ I915_WRITE(DEIMR, dev_priv->irq_mask);
POSTING_READ(DEIMR);
}
}
static inline void
ironlake_disable_display_irq(drm_i915_private_t *dev_priv, u32 mask)
{
- if ((dev_priv->irq_mask_reg & mask) != mask) {
- dev_priv->irq_mask_reg |= mask;
- I915_WRITE(DEIMR, dev_priv->irq_mask_reg);
+ if ((dev_priv->irq_mask & mask) != mask) {
+ dev_priv->irq_mask |= mask;
+ I915_WRITE(DEIMR, dev_priv->irq_mask);
POSTING_READ(DEIMR);
}
}
void
i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
- if ((dev_priv->irq_mask_reg & mask) != 0) {
- dev_priv->irq_mask_reg &= ~mask;
- I915_WRITE(IMR, dev_priv->irq_mask_reg);
+ if ((dev_priv->irq_mask & mask) != 0) {
+ dev_priv->irq_mask &= ~mask;
+ I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
}
}
void
i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
- if ((dev_priv->irq_mask_reg & mask) != mask) {
- dev_priv->irq_mask_reg |= mask;
- I915_WRITE(IMR, dev_priv->irq_mask_reg);
+ if ((dev_priv->irq_mask & mask) != mask) {
+ dev_priv->irq_mask |= mask;
+ I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
}
}
/**
* intel_enable_asle - enable ASLE interrupt for OpRegion
*/
-void intel_enable_asle (struct drm_device *dev)
+void intel_enable_asle(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
if (HAS_PCH_SPLIT(dev))
ironlake_enable_display_irq(dev_priv, DE_GSE);
i915_enable_pipestat(dev_priv, 0,
PIPE_LEGACY_BLC_EVENT_ENABLE);
}
+
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
/**
READ_BREADCRUMB(dev_priv);
}
- if (gt_iir & GT_PIPE_NOTIFY)
- notify_ring(dev, &dev_priv->render_ring);
+ if (gt_iir & (GT_USER_INTERRUPT | GT_PIPE_NOTIFY))
+ notify_ring(dev, &dev_priv->ring[RCS]);
if (gt_iir & bsd_usr_interrupt)
- notify_ring(dev, &dev_priv->bsd_ring);
- if (HAS_BLT(dev) && gt_iir & GT_BLT_USER_INTERRUPT)
- notify_ring(dev, &dev_priv->blt_ring);
+ notify_ring(dev, &dev_priv->ring[VCS]);
+ if (gt_iir & GT_BLT_USER_INTERRUPT)
+ notify_ring(dev, &dev_priv->ring[BCS]);
if (de_iir & DE_GSE)
intel_opregion_gse_intr(dev);
DRM_DEBUG_DRIVER("generating error event\n");
- error->seqno =
- dev_priv->render_ring.get_seqno(&dev_priv->render_ring);
+ error->seqno = dev_priv->ring[RCS].get_seqno(&dev_priv->ring[RCS]);
error->eir = I915_READ(EIR);
error->pgtbl_er = I915_READ(PGTBL_ER);
error->pipeastat = I915_READ(PIPEASTAT);
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);
+ if (dev_priv->ring[BCS].get_seqno)
+ error->bcs_seqno = dev_priv->ring[BCS].get_seqno(&dev_priv->ring[BCS]);
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 (dev_priv->ring[VCS].get_seqno)
+ error->vcs_seqno = dev_priv->ring[VCS].get_seqno(&dev_priv->ring[VCS]);
}
if (INTEL_INFO(dev)->gen >= 4) {
error->ipeir = I915_READ(IPEIR_I965);
}
i915_gem_record_fences(dev, error);
- bbaddr = i915_ringbuffer_last_batch(dev, &dev_priv->render_ring);
+ bbaddr = i915_ringbuffer_last_batch(dev, &dev_priv->ring[RCS]);
/* Grab the current batchbuffer, most likely to have crashed. */
batchbuffer[0] = NULL;
/* Record the ringbuffer */
error->ringbuffer = i915_error_object_create(dev,
- dev_priv->render_ring.obj);
+ dev_priv->ring[RCS].obj);
/* Record buffers on the active and pinned lists. */
error->active_bo = NULL;
/*
* Wakeup waiting processes so they don't hang
*/
- wake_up_all(&dev_priv->render_ring.irq_queue);
+ wake_up_all(&dev_priv->ring[RCS].irq_queue);
if (HAS_BSD(dev))
- wake_up_all(&dev_priv->bsd_ring.irq_queue);
+ wake_up_all(&dev_priv->ring[VCS].irq_queue);
if (HAS_BLT(dev))
- wake_up_all(&dev_priv->blt_ring.irq_queue);
+ wake_up_all(&dev_priv->ring[BCS].irq_queue);
}
queue_work(dev_priv->wq, &dev_priv->error_work);
* It doesn't set the bit in iir again, but it still produces
* interrupts (for non-MSI).
*/
- spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
pipea_stats = I915_READ(PIPEASTAT);
pipeb_stats = I915_READ(PIPEBSTAT);
I915_WRITE(PIPEBSTAT, pipeb_stats);
irq_received = 1;
}
- spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
if (!irq_received)
break;
}
if (iir & I915_USER_INTERRUPT)
- notify_ring(dev, &dev_priv->render_ring);
- if (HAS_BSD(dev) && (iir & I915_BSD_USER_INTERRUPT))
- notify_ring(dev, &dev_priv->bsd_ring);
+ notify_ring(dev, &dev_priv->ring[RCS]);
+ if (iir & I915_BSD_USER_INTERRUPT)
+ notify_ring(dev, &dev_priv->ring[VCS]);
if (iir & I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT) {
intel_prepare_page_flip(dev, 0);
void i915_trace_irq_get(struct drm_device *dev, u32 seqno)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
if (dev_priv->trace_irq_seqno == 0)
- render_ring->user_irq_get(render_ring);
+ ring->irq_get(ring);
dev_priv->trace_irq_seqno = seqno;
}
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
int ret = 0;
- struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
DRM_DEBUG_DRIVER("irq_nr=%d breadcrumb=%d\n", irq_nr,
READ_BREADCRUMB(dev_priv));
if (master_priv->sarea_priv)
master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
- render_ring->user_irq_get(render_ring);
- DRM_WAIT_ON(ret, dev_priv->render_ring.irq_queue, 3 * DRM_HZ,
+ ring->irq_get(ring);
+ DRM_WAIT_ON(ret, ring->irq_queue, 3 * DRM_HZ,
READ_BREADCRUMB(dev_priv) >= irq_nr);
- render_ring->user_irq_put(render_ring);
+ ring->irq_put(ring);
if (ret == -EBUSY) {
DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
drm_i915_irq_emit_t *emit = data;
int result;
- if (!dev_priv || !dev_priv->render_ring.virtual_start) {
+ if (!dev_priv || !LP_RING(dev_priv)->virtual_start) {
DRM_ERROR("called with no initialization\n");
return -EINVAL;
}
if (!i915_pipe_enabled(dev, pipe))
return -EINVAL;
- spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
if (HAS_PCH_SPLIT(dev))
- ironlake_enable_display_irq(dev_priv, (pipe == 0) ?
+ ironlake_enable_display_irq(dev_priv, (pipe == 0) ?
DE_PIPEA_VBLANK: DE_PIPEB_VBLANK);
else if (INTEL_INFO(dev)->gen >= 4)
i915_enable_pipestat(dev_priv, pipe,
else
i915_enable_pipestat(dev_priv, pipe,
PIPE_VBLANK_INTERRUPT_ENABLE);
- spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
return 0;
}
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
unsigned long irqflags;
- spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
if (HAS_PCH_SPLIT(dev))
- ironlake_disable_display_irq(dev_priv, (pipe == 0) ?
+ ironlake_disable_display_irq(dev_priv, (pipe == 0) ?
DE_PIPEA_VBLANK: DE_PIPEB_VBLANK);
else
i915_disable_pipestat(dev_priv, pipe,
PIPE_VBLANK_INTERRUPT_ENABLE |
PIPE_START_VBLANK_INTERRUPT_ENABLE);
- spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
void i915_enable_interrupt (struct drm_device *dev)
return false;
}
+static bool kick_ring(struct intel_ring_buffer *ring)
+{
+ struct drm_device *dev = ring->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 tmp = I915_READ_CTL(ring);
+ if (tmp & RING_WAIT) {
+ DRM_ERROR("Kicking stuck wait on %s\n",
+ ring->name);
+ I915_WRITE_CTL(ring, tmp);
+ return true;
+ }
+ if (IS_GEN6(dev) &&
+ (tmp & RING_WAIT_SEMAPHORE)) {
+ DRM_ERROR("Kicking stuck semaphore on %s\n",
+ ring->name);
+ I915_WRITE_CTL(ring, tmp);
+ return true;
+ }
+ return false;
+}
+
/**
* This is called when the chip hasn't reported back with completed
* batchbuffers in a long time. The first time this is called we simply record
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)) {
+ if (i915_hangcheck_ring_idle(&dev_priv->ring[RCS], &err) &&
+ i915_hangcheck_ring_idle(&dev_priv->ring[VCS], &err) &&
+ i915_hangcheck_ring_idle(&dev_priv->ring[BCS], &err)) {
dev_priv->hangcheck_count = 0;
if (err)
goto repeat;
* and break the hang. This should work on
* all but the second generation chipsets.
*/
- struct intel_ring_buffer *ring = &dev_priv->render_ring;
- u32 tmp = I915_READ_CTL(ring);
- if (tmp & RING_WAIT) {
- I915_WRITE_CTL(ring, tmp);
+
+ if (kick_ring(&dev_priv->ring[RCS]))
+ goto repeat;
+
+ if (HAS_BSD(dev) &&
+ kick_ring(&dev_priv->ring[VCS]))
+ goto repeat;
+
+ if (HAS_BLT(dev) &&
+ kick_ring(&dev_priv->ring[BCS]))
goto repeat;
- }
}
i915_handle_error(dev, true);
/* enable kind of interrupts always enabled */
u32 display_mask = DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE;
- u32 render_mask = GT_PIPE_NOTIFY | GT_BSD_USER_INTERRUPT;
+ u32 render_irqs;
u32 hotplug_mask;
- dev_priv->irq_mask_reg = ~display_mask;
- dev_priv->de_irq_enable_reg = display_mask | DE_PIPEA_VBLANK | DE_PIPEB_VBLANK;
+ dev_priv->irq_mask = ~display_mask;
/* should always can generate irq */
I915_WRITE(DEIIR, I915_READ(DEIIR));
- I915_WRITE(DEIMR, dev_priv->irq_mask_reg);
- I915_WRITE(DEIER, dev_priv->de_irq_enable_reg);
+ I915_WRITE(DEIMR, dev_priv->irq_mask);
+ I915_WRITE(DEIER, display_mask | DE_PIPEA_VBLANK | DE_PIPEB_VBLANK);
POSTING_READ(DEIER);
- if (IS_GEN6(dev)) {
- render_mask =
- GT_PIPE_NOTIFY |
- GT_GEN6_BSD_USER_INTERRUPT |
- GT_BLT_USER_INTERRUPT;
- }
-
- dev_priv->gt_irq_mask_reg = ~render_mask;
- dev_priv->gt_irq_enable_reg = render_mask;
+ dev_priv->gt_irq_mask = ~0;
I915_WRITE(GTIIR, I915_READ(GTIIR));
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask_reg);
+ I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
if (IS_GEN6(dev)) {
- I915_WRITE(GEN6_RENDER_IMR, ~GEN6_RENDER_PIPE_CONTROL_NOTIFY_INTERRUPT);
- I915_WRITE(GEN6_BSD_IMR, ~GEN6_BSD_IMR_USER_INTERRUPT);
+ I915_WRITE(GEN6_RENDER_IMR, ~GEN6_RENDER_USER_INTERRUPT);
+ I915_WRITE(GEN6_BSD_IMR, ~GEN6_BSD_USER_INTERRUPT);
I915_WRITE(GEN6_BLITTER_IMR, ~GEN6_BLITTER_USER_INTERRUPT);
}
- I915_WRITE(GTIER, dev_priv->gt_irq_enable_reg);
+ if (IS_GEN6(dev))
+ render_irqs =
+ GT_USER_INTERRUPT |
+ GT_GEN6_BSD_USER_INTERRUPT |
+ GT_BLT_USER_INTERRUPT;
+ else
+ render_irqs =
+ GT_PIPE_NOTIFY |
+ GT_BSD_USER_INTERRUPT;
+ I915_WRITE(GTIER, render_irqs);
POSTING_READ(GTIER);
if (HAS_PCH_CPT(dev)) {
SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
}
- dev_priv->pch_irq_mask_reg = ~hotplug_mask;
- dev_priv->pch_irq_enable_reg = hotplug_mask;
+ dev_priv->pch_irq_mask = ~hotplug_mask;
I915_WRITE(SDEIIR, I915_READ(SDEIIR));
- I915_WRITE(SDEIMR, dev_priv->pch_irq_mask_reg);
- I915_WRITE(SDEIER, dev_priv->pch_irq_enable_reg);
+ I915_WRITE(SDEIMR, dev_priv->pch_irq_mask);
+ I915_WRITE(SDEIER, hotplug_mask);
POSTING_READ(SDEIER);
if (IS_IRONLAKE_M(dev)) {
u32 enable_mask = I915_INTERRUPT_ENABLE_FIX | I915_INTERRUPT_ENABLE_VAR;
u32 error_mask;
- DRM_INIT_WAITQUEUE(&dev_priv->render_ring.irq_queue);
+ DRM_INIT_WAITQUEUE(&dev_priv->ring[RCS].irq_queue);
if (HAS_BSD(dev))
- DRM_INIT_WAITQUEUE(&dev_priv->bsd_ring.irq_queue);
+ DRM_INIT_WAITQUEUE(&dev_priv->ring[VCS].irq_queue);
if (HAS_BLT(dev))
- DRM_INIT_WAITQUEUE(&dev_priv->blt_ring.irq_queue);
+ DRM_INIT_WAITQUEUE(&dev_priv->ring[BCS].irq_queue);
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
return ironlake_irq_postinstall(dev);
/* Unmask the interrupts that we always want on. */
- dev_priv->irq_mask_reg = ~I915_INTERRUPT_ENABLE_FIX;
+ dev_priv->irq_mask = ~I915_INTERRUPT_ENABLE_FIX;
dev_priv->pipestat[0] = 0;
dev_priv->pipestat[1] = 0;
/* Enable in IER... */
enable_mask |= I915_DISPLAY_PORT_INTERRUPT;
/* and unmask in IMR */
- dev_priv->irq_mask_reg &= ~I915_DISPLAY_PORT_INTERRUPT;
+ dev_priv->irq_mask &= ~I915_DISPLAY_PORT_INTERRUPT;
}
/*
}
I915_WRITE(EMR, error_mask);
- I915_WRITE(IMR, dev_priv->irq_mask_reg);
+ I915_WRITE(IMR, dev_priv->irq_mask);
I915_WRITE(IER, enable_mask);
POSTING_READ(IER);
#define MI_BATCH_NON_SECURE (1)
#define MI_BATCH_NON_SECURE_I965 (1<<8)
#define MI_BATCH_BUFFER_START MI_INSTR(0x31, 0)
+#define MI_SEMAPHORE_MBOX MI_INSTR(0x16, 1) /* gen6+ */
+#define MI_SEMAPHORE_GLOBAL_GTT (1<<22)
+#define MI_SEMAPHORE_UPDATE (1<<21)
+#define MI_SEMAPHORE_COMPARE (1<<20)
+#define MI_SEMAPHORE_REGISTER (1<<18)
/*
* 3D instructions used by the kernel
*/
#define RING_HEAD(base) ((base)+0x34)
#define RING_START(base) ((base)+0x38)
#define RING_CTL(base) ((base)+0x3c)
+#define RING_SYNC_0(base) ((base)+0x40)
+#define RING_SYNC_1(base) ((base)+0x44)
#define RING_HWS_PGA(base) ((base)+0x80)
#define RING_HWS_PGA_GEN6(base) ((base)+0x2080)
#define RING_ACTHD(base) ((base)+0x74)
+#define RING_NOPID(base) ((base)+0x94)
#define TAIL_ADDR 0x001FFFF8
#define HEAD_WRAP_COUNT 0xFFE00000
#define HEAD_WRAP_ONE 0x00200000
#define RING_INVALID 0x00000000
#define RING_WAIT_I8XX (1<<0) /* gen2, PRBx_HEAD */
#define RING_WAIT (1<<11) /* gen3+, PRBx_CTL */
+#define RING_WAIT_SEMAPHORE (1<<10) /* gen6+ */
#if 0
#define PRB0_TAIL 0x02030
#define PRB0_HEAD 0x02034
# define VS_TIMER_DISPATCH (1 << 6)
# define MI_FLUSH_ENABLE (1 << 11)
+#define GFX_MODE 0x02520
+#define GFX_RUN_LIST_ENABLE (1<<15)
+#define GFX_TLB_INVALIDATE_ALWAYS (1<<13)
+#define GFX_SURFACE_FAULT_ENABLE (1<<12)
+#define GFX_REPLAY_MODE (1<<11)
+#define GFX_PSMI_GRANULARITY (1<<10)
+#define GFX_PPGTT_ENABLE (1<<9)
+
#define SCPD0 0x0209c /* 915+ only */
#define IER 0x020a0
#define IIR 0x020a4
#define GEN6_BSD_SLEEP_PSMI_CONTROL_IDLE_INDICATOR (1 << 3)
#define GEN6_BSD_IMR 0x120a8
-#define GEN6_BSD_IMR_USER_INTERRUPT (1 << 12)
+#define GEN6_BSD_USER_INTERRUPT (1 << 12)
#define GEN6_BSD_RNCID 0x12198
/* Can't break the hang on i8xx */
return;
- ring = &dev_priv->render_ring;
+ ring = LP_RING(dev_priv);
tmp = I915_READ_CTL(ring);
if (tmp & RING_WAIT)
I915_WRITE_CTL(ring, tmp);
obj = intel_fb->obj;
mutex_lock(&dev->struct_mutex);
- ret = intel_pin_and_fence_fb_obj(dev, obj, &dev_priv->render_ring);
+ ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv));
if (ret)
goto cleanup_work;
struct opregion_asle *asle = dev_priv->opregion.asle;
if (asle) {
- if (IS_MOBILE(dev)) {
- unsigned long irqflags;
-
- spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+ if (IS_MOBILE(dev))
intel_enable_asle(dev);
- spin_unlock_irqrestore(&dev_priv->user_irq_lock,
- irqflags);
- }
asle->tche = ASLE_ALS_EN | ASLE_BLC_EN | ASLE_PFIT_EN |
ASLE_PFMB_EN;
int ret;
BUG_ON(overlay->last_flip_req);
- ret = i915_add_request(dev, NULL, request, &dev_priv->render_ring);
+ ret = i915_add_request(dev, NULL, request, LP_RING(dev_priv));
if (ret) {
kfree(request);
return ret;
overlay->flip_tail = tail;
ret = i915_do_wait_request(dev,
overlay->last_flip_req, true,
- &dev_priv->render_ring);
+ LP_RING(dev_priv));
if (ret)
return ret;
OUT_RING(flip_addr);
ADVANCE_LP_RING();
- ret = i915_add_request(dev, NULL, request, &dev_priv->render_ring);
+ ret = i915_add_request(dev, NULL, request, LP_RING(dev_priv));
if (ret) {
kfree(request);
return ret;
return 0;
ret = i915_do_wait_request(dev, overlay->last_flip_req,
- interruptible, &dev_priv->render_ring);
+ interruptible, LP_RING(dev_priv));
if (ret)
return ret;
if (ring->space < 0)
ring->space += ring->size;
}
+
return 0;
}
static int init_render_ring(struct intel_ring_buffer *ring)
{
struct drm_device *dev = ring->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
int ret = init_ring_common(ring);
if (INTEL_INFO(dev)->gen > 3) {
- 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);
}
- if (HAS_PIPE_CONTROL(dev)) {
+ if (INTEL_INFO(dev)->gen >= 6) {
+ } else if (HAS_PIPE_CONTROL(dev)) {
ret = init_pipe_control(ring);
if (ret)
return ret;
cleanup_pipe_control(ring);
}
+static void
+update_semaphore(struct intel_ring_buffer *ring, int i, u32 seqno)
+{
+ struct drm_device *dev = ring->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int id;
+
+ /*
+ * cs -> 1 = vcs, 0 = bcs
+ * vcs -> 1 = bcs, 0 = cs,
+ * bcs -> 1 = cs, 0 = vcs.
+ */
+ id = ring - dev_priv->ring;
+ id += 2 - i;
+ id %= 3;
+
+ intel_ring_emit(ring,
+ MI_SEMAPHORE_MBOX |
+ MI_SEMAPHORE_REGISTER |
+ MI_SEMAPHORE_UPDATE);
+ intel_ring_emit(ring, seqno);
+ intel_ring_emit(ring,
+ RING_SYNC_0(dev_priv->ring[id].mmio_base) + 4*i);
+}
+
+static int
+gen6_add_request(struct intel_ring_buffer *ring,
+ u32 *result)
+{
+ u32 seqno;
+ int ret;
+
+ ret = intel_ring_begin(ring, 10);
+ if (ret)
+ return ret;
+
+ seqno = i915_gem_get_seqno(ring->dev);
+ update_semaphore(ring, 0, seqno);
+ update_semaphore(ring, 1, 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);
+
+ *result = seqno;
+ return 0;
+}
+
+int
+intel_ring_sync(struct intel_ring_buffer *ring,
+ struct intel_ring_buffer *to,
+ u32 seqno)
+{
+ int ret;
+
+ ret = intel_ring_begin(ring, 4);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring,
+ MI_SEMAPHORE_MBOX |
+ MI_SEMAPHORE_REGISTER |
+ intel_ring_sync_index(ring, to) << 17 |
+ MI_SEMAPHORE_COMPARE);
+ intel_ring_emit(ring, seqno);
+ intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
+
+ return 0;
+}
+
#define PIPE_CONTROL_FLUSH(ring__, addr__) \
do { \
intel_ring_emit(ring__, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE | \
intel_ring_emit(ring__, 0); \
} while (0)
-/**
- * Creates a new sequence number, emitting a write of it to the status page
- * plus an interrupt, which will trigger i915_user_interrupt_handler.
- *
- * Must be called with struct_lock held.
- *
- * Returned sequence numbers are nonzero on success.
- */
static int
-render_ring_add_request(struct intel_ring_buffer *ring,
- u32 *result)
+pc_render_add_request(struct intel_ring_buffer *ring,
+ u32 *result)
{
struct drm_device *dev = ring->dev;
u32 seqno = i915_gem_get_seqno(dev);
struct pipe_control *pc = ring->private;
+ u32 scratch_addr = pc->gtt_offset + 128;
int ret;
- if (IS_GEN6(dev)) {
- 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, pc->gtt_offset | 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 = pc->gtt_offset + 128;
+ /*
+ * Workaround qword write incoherence by flushing the
+ * PIPE_NOTIFY buffers out to memory before requesting
+ * an interrupt.
+ */
+ ret = intel_ring_begin(ring, 32);
+ if (ret)
+ return ret;
- /*
- * Workaround qword write incoherence by flushing the
- * PIPE_NOTIFY buffers out to memory before requesting
- * an interrupt.
- */
- 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, pc->gtt_offset | 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(ring, scratch_addr);
+ scratch_addr += 128;
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
+ scratch_addr += 128;
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
+ scratch_addr += 128;
+ PIPE_CONTROL_FLUSH(ring, scratch_addr);
+ scratch_addr += 128;
+ 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, pc->gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
+ intel_ring_emit(ring, seqno);
+ intel_ring_emit(ring, 0);
+ intel_ring_advance(ring);
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
- PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH);
- intel_ring_emit(ring, pc->gtt_offset | 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(ring, scratch_addr);
- scratch_addr += 128;
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
- scratch_addr += 128;
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
- scratch_addr += 128;
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
- scratch_addr += 128;
- 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, pc->gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
- intel_ring_emit(ring, seqno);
- intel_ring_emit(ring, 0);
- } else {
- ret = intel_ring_begin(ring, 4);
- if (ret)
- return ret;
+ *result = seqno;
+ return 0;
+}
- 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);
+static int
+render_ring_add_request(struct intel_ring_buffer *ring,
+ u32 *result)
+{
+ struct drm_device *dev = ring->dev;
+ u32 seqno = i915_gem_get_seqno(dev);
+ int ret;
- intel_ring_emit(ring, MI_USER_INTERRUPT);
- }
+ 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);
+ intel_ring_emit(ring, MI_USER_INTERRUPT);
intel_ring_advance(ring);
+
*result = seqno;
return 0;
}
static u32
-render_ring_get_seqno(struct intel_ring_buffer *ring)
+ring_get_seqno(struct intel_ring_buffer *ring)
{
- struct drm_device *dev = ring->dev;
- if (HAS_PIPE_CONTROL(dev)) {
- struct pipe_control *pc = ring->private;
- return pc->cpu_page[0];
- } else
- return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
+ return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
+}
+
+static u32
+pc_render_get_seqno(struct intel_ring_buffer *ring)
+{
+ struct pipe_control *pc = ring->private;
+ return pc->cpu_page[0];
}
static void
-render_ring_get_user_irq(struct intel_ring_buffer *ring)
+render_ring_get_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_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
- if (dev->irq_enabled && (++ring->user_irq_refcount == 1)) {
+ if (dev->irq_enabled && ++ring->irq_refcount == 1) {
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+
if (HAS_PCH_SPLIT(dev))
- ironlake_enable_graphics_irq(dev_priv, GT_PIPE_NOTIFY);
+ ironlake_enable_graphics_irq(dev_priv,
+ GT_PIPE_NOTIFY | GT_USER_INTERRUPT);
else
i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
+
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
- spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
}
static void
-render_ring_put_user_irq(struct intel_ring_buffer *ring)
+render_ring_put_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_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
- BUG_ON(dev->irq_enabled && ring->user_irq_refcount <= 0);
- if (dev->irq_enabled && (--ring->user_irq_refcount == 0)) {
+ BUG_ON(dev->irq_enabled && ring->irq_refcount == 0);
+ if (dev->irq_enabled && --ring->irq_refcount == 0) {
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
if (HAS_PCH_SPLIT(dev))
- ironlake_disable_graphics_irq(dev_priv, GT_PIPE_NOTIFY);
+ ironlake_disable_graphics_irq(dev_priv,
+ GT_USER_INTERRUPT |
+ GT_PIPE_NOTIFY);
else
i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
- spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
}
void intel_ring_setup_status_page(struct intel_ring_buffer *ring)
u32 invalidate_domains,
u32 flush_domains)
{
+ if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+ return;
+
if (intel_ring_begin(ring, 2) == 0) {
intel_ring_emit(ring, MI_FLUSH);
intel_ring_emit(ring, MI_NOOP);
}
static void
-bsd_ring_get_user_irq(struct intel_ring_buffer *ring)
+ring_get_irq(struct intel_ring_buffer *ring, u32 flag)
{
- /* do nothing */
+ struct drm_device *dev = ring->dev;
+
+ if (dev->irq_enabled && ++ring->irq_refcount == 1) {
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ ironlake_enable_graphics_irq(dev_priv, flag);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ }
}
+
static void
-bsd_ring_put_user_irq(struct intel_ring_buffer *ring)
+ring_put_irq(struct intel_ring_buffer *ring, u32 flag)
{
- /* do nothing */
+ struct drm_device *dev = ring->dev;
+
+ if (dev->irq_enabled && --ring->irq_refcount == 0) {
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ ironlake_disable_graphics_irq(dev_priv, flag);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ }
}
-static u32
-ring_status_page_get_seqno(struct intel_ring_buffer *ring)
+
+static void
+bsd_ring_get_irq(struct intel_ring_buffer *ring)
{
- return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
+ ring_get_irq(ring, GT_BSD_USER_INTERRUPT);
+}
+static void
+bsd_ring_put_irq(struct intel_ring_buffer *ring)
+{
+ ring_put_irq(ring, GT_BSD_USER_INTERRUPT);
}
static int
.write_tail = ring_write_tail,
.flush = render_ring_flush,
.add_request = render_ring_add_request,
- .get_seqno = render_ring_get_seqno,
- .user_irq_get = render_ring_get_user_irq,
- .user_irq_put = render_ring_put_user_irq,
+ .get_seqno = ring_get_seqno,
+ .irq_get = render_ring_get_irq,
+ .irq_put = render_ring_put_irq,
.dispatch_execbuffer = render_ring_dispatch_execbuffer,
.cleanup = render_ring_cleanup,
};
.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,
+ .get_seqno = ring_get_seqno,
+ .irq_get = bsd_ring_get_irq,
+ .irq_put = bsd_ring_put_irq,
.dispatch_execbuffer = ring_dispatch_execbuffer,
};
u32 invalidate_domains,
u32 flush_domains)
{
+ if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+ return;
+
if (intel_ring_begin(ring, 4) == 0) {
intel_ring_emit(ring, MI_FLUSH_DW);
intel_ring_emit(ring, 0);
return 0;
}
+static void
+gen6_bsd_ring_get_irq(struct intel_ring_buffer *ring)
+{
+ ring_get_irq(ring, GT_GEN6_BSD_USER_INTERRUPT);
+}
+
+static void
+gen6_bsd_ring_put_irq(struct intel_ring_buffer *ring)
+{
+ ring_put_irq(ring, GT_GEN6_BSD_USER_INTERRUPT);
+}
+
/* ring buffer for Video Codec for Gen6+ */
static const struct intel_ring_buffer gen6_bsd_ring = {
- .name = "gen6 bsd ring",
- .id = RING_BSD,
- .mmio_base = GEN6_BSD_RING_BASE,
- .size = 32 * PAGE_SIZE,
- .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_execbuffer = gen6_ring_dispatch_execbuffer,
+ .name = "gen6 bsd ring",
+ .id = RING_BSD,
+ .mmio_base = GEN6_BSD_RING_BASE,
+ .size = 32 * PAGE_SIZE,
+ .init = init_ring_common,
+ .write_tail = gen6_bsd_ring_write_tail,
+ .flush = gen6_ring_flush,
+ .add_request = gen6_add_request,
+ .get_seqno = ring_get_seqno,
+ .irq_get = gen6_bsd_ring_get_irq,
+ .irq_put = gen6_bsd_ring_put_irq,
+ .dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
};
/* Blitter support (SandyBridge+) */
static void
-blt_ring_get_user_irq(struct intel_ring_buffer *ring)
+blt_ring_get_irq(struct intel_ring_buffer *ring)
{
- /* do nothing */
+ ring_get_irq(ring, GT_BLT_USER_INTERRUPT);
}
+
static void
-blt_ring_put_user_irq(struct intel_ring_buffer *ring)
+blt_ring_put_irq(struct intel_ring_buffer *ring)
{
- /* do nothing */
+ ring_put_irq(ring, GT_BLT_USER_INTERRUPT);
}
u32 invalidate_domains,
u32 flush_domains)
{
+ if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+ return;
+
if (blt_ring_begin(ring, 4) == 0) {
intel_ring_emit(ring, MI_FLUSH_DW);
intel_ring_emit(ring, 0);
}
}
-static int
-blt_ring_add_request(struct intel_ring_buffer *ring,
- u32 *result)
-{
- u32 seqno;
- int ret;
-
- ret = blt_ring_begin(ring, 4);
- if (ret)
- return ret;
-
- 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);
- *result = seqno;
- return 0;
-}
-
static void blt_ring_cleanup(struct intel_ring_buffer *ring)
{
if (!ring->private)
.init = blt_ring_init,
.write_tail = ring_write_tail,
.flush = blt_ring_flush,
- .add_request = blt_ring_add_request,
- .get_seqno = ring_status_page_get_seqno,
- .user_irq_get = blt_ring_get_user_irq,
- .user_irq_put = blt_ring_put_user_irq,
+ .add_request = gen6_add_request,
+ .get_seqno = ring_get_seqno,
+ .irq_get = blt_ring_get_irq,
+ .irq_put = blt_ring_put_irq,
.dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
.cleanup = blt_ring_cleanup,
};
int intel_init_render_ring_buffer(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
- dev_priv->render_ring = render_ring;
+ *ring = render_ring;
+ if (INTEL_INFO(dev)->gen >= 6) {
+ ring->add_request = gen6_add_request;
+ } else if (HAS_PIPE_CONTROL(dev)) {
+ ring->add_request = pc_render_add_request;
+ ring->get_seqno = pc_render_get_seqno;
+ }
if (!I915_NEED_GFX_HWS(dev)) {
- dev_priv->render_ring.status_page.page_addr
- = dev_priv->status_page_dmah->vaddr;
- memset(dev_priv->render_ring.status_page.page_addr,
- 0, PAGE_SIZE);
+ ring->status_page.page_addr = dev_priv->status_page_dmah->vaddr;
+ memset(ring->status_page.page_addr, 0, PAGE_SIZE);
}
- return intel_init_ring_buffer(dev, &dev_priv->render_ring);
+ return intel_init_ring_buffer(dev, ring);
}
int intel_init_bsd_ring_buffer(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[VCS];
if (IS_GEN6(dev))
- dev_priv->bsd_ring = gen6_bsd_ring;
+ *ring = gen6_bsd_ring;
else
- dev_priv->bsd_ring = bsd_ring;
+ *ring = bsd_ring;
- return intel_init_ring_buffer(dev, &dev_priv->bsd_ring);
+ return intel_init_ring_buffer(dev, ring);
}
int intel_init_blt_ring_buffer(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = &dev_priv->ring[BCS];
- dev_priv->blt_ring = gen6_blt_ring;
+ *ring = gen6_blt_ring;
- return intel_init_ring_buffer(dev, &dev_priv->blt_ring);
+ return intel_init_ring_buffer(dev, ring);
}
#ifndef _INTEL_RINGBUFFER_H_
#define _INTEL_RINGBUFFER_H_
+enum {
+ RCS = 0x0,
+ VCS,
+ BCS,
+ I915_NUM_RINGS,
+};
+
struct intel_hw_status_page {
u32 __iomem *page_addr;
unsigned int gfx_addr;
#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;
+#define I915_READ_NOPID(ring) I915_RING_READ(RING_NOPID(ring->mmio_base))
+#define I915_READ_SYNC_0(ring) I915_RING_READ(RING_SYNC_0(ring->mmio_base))
+#define I915_READ_SYNC_1(ring) I915_RING_READ(RING_SYNC_1(ring->mmio_base))
+
struct intel_ring_buffer {
const char *name;
enum intel_ring_id {
u32 irq_seqno; /* last seq seem at irq time */
u32 waiting_seqno;
- int user_irq_refcount;
- void (*user_irq_get)(struct intel_ring_buffer *ring);
- void (*user_irq_put)(struct intel_ring_buffer *ring);
+ u32 sync_seqno[I915_NUM_RINGS-1];
+ u32 irq_refcount;
+ void (*irq_get)(struct intel_ring_buffer *ring);
+ void (*irq_put)(struct intel_ring_buffer *ring);
int (*init)(struct intel_ring_buffer *ring);
void *private;
};
+static inline u32
+intel_ring_sync_index(struct intel_ring_buffer *ring,
+ struct intel_ring_buffer *other)
+{
+ int idx;
+
+ /*
+ * cs -> 0 = vcs, 1 = bcs
+ * vcs -> 0 = bcs, 1 = cs,
+ * bcs -> 0 = cs, 1 = vcs.
+ */
+
+ idx = (other - ring) - 1;
+ if (idx < 0)
+ idx += I915_NUM_RINGS;
+
+ return idx;
+}
+
static inline u32
intel_read_status_page(struct intel_ring_buffer *ring,
int reg)
void intel_ring_advance(struct intel_ring_buffer *ring);
u32 intel_ring_get_seqno(struct intel_ring_buffer *ring);
+int intel_ring_sync(struct intel_ring_buffer *ring,
+ struct intel_ring_buffer *to,
+ u32 seqno);
int intel_init_render_ring_buffer(struct drm_device *dev);
int intel_init_bsd_ring_buffer(struct drm_device *dev);
int type;
/* Disable TV interrupts around load detect or we'll recurse */
- spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
- i915_disable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE |
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ i915_disable_pipestat(dev_priv, 0,
+ PIPE_HOTPLUG_INTERRUPT_ENABLE |
PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
- spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
save_tv_dac = tv_dac = I915_READ(TV_DAC);
save_tv_ctl = tv_ctl = I915_READ(TV_CTL);
I915_WRITE(TV_CTL, save_tv_ctl);
/* Restore interrupt config */
- spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
- i915_enable_pipestat(dev_priv, 0, PIPE_HOTPLUG_INTERRUPT_ENABLE |
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ i915_enable_pipestat(dev_priv, 0,
+ PIPE_HOTPLUG_INTERRUPT_ENABLE |
PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
- spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
return type;
}
git.openpandora.org / pandora-kernel.git / commitdiff