#include <linux/intel-gtt.h>
static uint32_t i915_gem_get_gtt_alignment(struct drm_gem_object *obj);
-static int i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj);
+
+static int i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj,
+ bool pipelined);
static void i915_gem_object_flush_gtt_write_domain(struct drm_gem_object *obj);
static void i915_gem_object_flush_cpu_write_domain(struct drm_gem_object *obj);
static int i915_gem_object_set_to_cpu_domain(struct drm_gem_object *obj,
uint64_t offset,
uint64_t size);
static void i915_gem_object_set_to_full_cpu_read_domain(struct drm_gem_object *obj);
-static int i915_gem_object_wait_rendering(struct drm_gem_object *obj);
+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);
static void i915_gem_clear_fence_reg(struct drm_gem_object *obj);
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 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,
+ size_t size)
+{
+ dev_priv->mm.object_count++;
+ dev_priv->mm.object_memory += size;
+}
+
+static void i915_gem_info_remove_obj(struct drm_i915_private *dev_priv,
+ size_t size)
+{
+ dev_priv->mm.object_count--;
+ dev_priv->mm.object_memory -= size;
+}
+
+static void i915_gem_info_add_gtt(struct drm_i915_private *dev_priv,
+ size_t size)
+{
+ dev_priv->mm.gtt_count++;
+ dev_priv->mm.gtt_memory += size;
+}
+
+static void i915_gem_info_remove_gtt(struct drm_i915_private *dev_priv,
+ size_t size)
+{
+ dev_priv->mm.gtt_count--;
+ dev_priv->mm.gtt_memory -= size;
+}
+
+static void i915_gem_info_add_pin(struct drm_i915_private *dev_priv,
+ size_t size)
+{
+ dev_priv->mm.pin_count++;
+ dev_priv->mm.pin_memory += size;
+}
+
+static void i915_gem_info_remove_pin(struct drm_i915_private *dev_priv,
+ size_t size)
+{
+ dev_priv->mm.pin_count--;
+ dev_priv->mm.pin_memory -= size;
+}
+
+int
+i915_gem_check_is_wedged(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct completion *x = &dev_priv->error_completion;
+ unsigned long flags;
+ int ret;
+
+ if (!atomic_read(&dev_priv->mm.wedged))
+ return 0;
+
+ ret = wait_for_completion_interruptible(x);
+ if (ret)
+ return ret;
+
+ /* Success, we reset the GPU! */
+ if (!atomic_read(&dev_priv->mm.wedged))
+ return 0;
+
+ /* GPU is hung, bump the completion count to account for
+ * the token we just consumed so that we never hit zero and
+ * end up waiting upon a subsequent completion event that
+ * will never happen.
+ */
+ spin_lock_irqsave(&x->wait.lock, flags);
+ x->done++;
+ spin_unlock_irqrestore(&x->wait.lock, flags);
+ return -EIO;
+}
+
+static int i915_mutex_lock_interruptible(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ ret = i915_gem_check_is_wedged(dev);
+ if (ret)
+ return ret;
+
+ ret = mutex_lock_interruptible(&dev->struct_mutex);
+ if (ret)
+ return ret;
+
+ if (atomic_read(&dev_priv->mm.wedged)) {
+ mutex_unlock(&dev->struct_mutex);
+ return -EAGAIN;
+ }
+
+ WARN_ON(i915_verify_lists(dev));
+ return 0;
+}
+
static inline bool
i915_gem_object_is_inactive(struct drm_i915_gem_object *obj_priv)
{
obj_priv->pin_count == 0;
}
-int i915_gem_do_init(struct drm_device *dev, unsigned long start,
+int i915_gem_do_init(struct drm_device *dev,
+ unsigned long start,
unsigned long end)
{
drm_i915_private_t *dev_priv = dev->dev_private;
drm_mm_init(&dev_priv->mm.gtt_space, start,
end - start);
- dev->gtt_total = (uint32_t) (end - start);
+ dev_priv->mm.gtt_total = end - start;
return 0;
}
i915_gem_get_aperture_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_get_aperture *args = data;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
- args->aper_size = dev->gtt_total;
- args->aper_available_size = (args->aper_size -
- atomic_read(&dev->pin_memory));
+ mutex_lock(&dev->struct_mutex);
+ args->aper_size = dev_priv->mm.gtt_total;
+ args->aper_available_size = args->aper_size - dev_priv->mm.pin_memory;
+ mutex_unlock(&dev->struct_mutex);
return 0;
}
return -ENOMEM;
ret = drm_gem_handle_create(file_priv, obj, &handle);
- /* drop reference from allocate - handle holds it now */
- drm_gem_object_unreference_unlocked(obj);
if (ret) {
+ drm_gem_object_release(obj);
+ i915_gem_info_remove_obj(dev->dev_private, obj->size);
+ kfree(obj);
return ret;
}
+ /* drop reference from allocate - handle holds it now */
+ drm_gem_object_unreference(obj);
+ trace_i915_gem_object_create(obj);
+
args->handle = handle;
return 0;
}
char __user *data,
int length)
{
- char __iomem *vaddr;
- int unwritten;
+ char *vaddr;
+ int ret;
vaddr = kmap_atomic(pages[page_base >> PAGE_SHIFT]);
- if (vaddr == NULL)
- return -ENOMEM;
- unwritten = __copy_to_user_inatomic(data, vaddr + page_offset, length);
+ ret = __copy_to_user_inatomic(data, vaddr + page_offset, length);
kunmap_atomic(vaddr);
- if (unwritten)
- return -EFAULT;
-
- return 0;
+ return ret;
}
static int i915_gem_object_needs_bit17_swizzle(struct drm_gem_object *obj)
loff_t offset, page_base;
char __user *user_data;
int page_offset, page_length;
- int ret;
user_data = (char __user *) (uintptr_t) args->data_ptr;
remain = args->size;
- mutex_lock(&dev->struct_mutex);
-
- ret = i915_gem_object_get_pages(obj, 0);
- if (ret != 0)
- goto fail_unlock;
-
- ret = i915_gem_object_set_cpu_read_domain_range(obj, args->offset,
- args->size);
- if (ret != 0)
- goto fail_put_pages;
-
obj_priv = to_intel_bo(obj);
offset = args->offset;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
- ret = fast_shmem_read(obj_priv->pages,
- page_base, page_offset,
- user_data, page_length);
- if (ret)
- goto fail_put_pages;
+ if (fast_shmem_read(obj_priv->pages,
+ page_base, page_offset,
+ user_data, page_length))
+ return -EFAULT;
remain -= page_length;
user_data += page_length;
offset += page_length;
}
-fail_put_pages:
- i915_gem_object_put_pages(obj);
-fail_unlock:
- mutex_unlock(&dev->struct_mutex);
-
- return ret;
+ return 0;
}
static int
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
+ user_pages = drm_malloc_ab(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
+ mutex_unlock(&dev->struct_mutex);
down_read(&mm->mmap_sem);
pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
num_pages, 1, 0, user_pages, NULL);
up_read(&mm->mmap_sem);
+ mutex_lock(&dev->struct_mutex);
if (pinned_pages < num_pages) {
ret = -EFAULT;
- goto fail_put_user_pages;
+ goto out;
}
- do_bit17_swizzling = i915_gem_object_needs_bit17_swizzle(obj);
-
- mutex_lock(&dev->struct_mutex);
-
- ret = i915_gem_object_get_pages_or_evict(obj);
+ ret = i915_gem_object_set_cpu_read_domain_range(obj,
+ args->offset,
+ args->size);
if (ret)
- goto fail_unlock;
+ goto out;
- ret = i915_gem_object_set_cpu_read_domain_range(obj, args->offset,
- args->size);
- if (ret != 0)
- goto fail_put_pages;
+ do_bit17_swizzling = i915_gem_object_needs_bit17_swizzle(obj);
obj_priv = to_intel_bo(obj);
offset = args->offset;
offset += page_length;
}
-fail_put_pages:
- i915_gem_object_put_pages(obj);
-fail_unlock:
- mutex_unlock(&dev->struct_mutex);
-fail_put_user_pages:
+out:
for (i = 0; i < pinned_pages; i++) {
SetPageDirty(user_pages[i]);
page_cache_release(user_pages[i]);
struct drm_i915_gem_pread *args = data;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
- int ret;
+ int ret = 0;
+
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
- if (obj == NULL)
- return -ENOENT;
+ if (obj == NULL) {
+ ret = -ENOENT;
+ goto unlock;
+ }
obj_priv = to_intel_bo(obj);
/* Bounds check source. */
if (args->offset > obj->size || args->size > obj->size - args->offset) {
ret = -EINVAL;
- goto err;
+ goto out;
}
+ if (args->size == 0)
+ goto out;
+
if (!access_ok(VERIFY_WRITE,
(char __user *)(uintptr_t)args->data_ptr,
args->size)) {
ret = -EFAULT;
- goto err;
+ goto out;
}
- if (i915_gem_object_needs_bit17_swizzle(obj)) {
- ret = i915_gem_shmem_pread_slow(dev, obj, args, file_priv);
- } else {
- ret = i915_gem_shmem_pread_fast(dev, obj, args, file_priv);
- if (ret != 0)
- ret = i915_gem_shmem_pread_slow(dev, obj, args,
- file_priv);
+ ret = fault_in_pages_writeable((char __user *)(uintptr_t)args->data_ptr,
+ args->size);
+ if (ret) {
+ ret = -EFAULT;
+ goto out;
}
-err:
- drm_gem_object_unreference_unlocked(obj);
+ 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;
+
+ ret = -EFAULT;
+ if (!i915_gem_object_needs_bit17_swizzle(obj))
+ ret = i915_gem_shmem_pread_fast(dev, obj, args, file_priv);
+ 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:
+ mutex_unlock(&dev->struct_mutex);
return ret;
}
unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + page_offset,
user_data, length);
io_mapping_unmap_atomic(vaddr_atomic);
- if (unwritten)
- return -EFAULT;
- return 0;
+ return unwritten;
}
/* Here's the write path which can sleep for
char __user *data,
int length)
{
- char __iomem *vaddr;
- unsigned long unwritten;
+ char *vaddr;
+ int ret;
vaddr = kmap_atomic(pages[page_base >> PAGE_SHIFT]);
- if (vaddr == NULL)
- return -ENOMEM;
- unwritten = __copy_from_user_inatomic(vaddr + page_offset, data, length);
+ ret = __copy_from_user_inatomic(vaddr + page_offset, data, length);
kunmap_atomic(vaddr);
- if (unwritten)
- return -EFAULT;
- return 0;
+ return ret;
}
/**
loff_t offset, page_base;
char __user *user_data;
int page_offset, page_length;
- int ret;
user_data = (char __user *) (uintptr_t) args->data_ptr;
remain = args->size;
-
- mutex_lock(&dev->struct_mutex);
- ret = i915_gem_object_pin(obj, 0);
- if (ret) {
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
- ret = i915_gem_object_set_to_gtt_domain(obj, 1);
- if (ret)
- goto fail;
-
obj_priv = to_intel_bo(obj);
offset = obj_priv->gtt_offset + args->offset;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
- ret = fast_user_write (dev_priv->mm.gtt_mapping, page_base,
- page_offset, user_data, page_length);
-
/* 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)
- goto fail;
+ if (fast_user_write(dev_priv->mm.gtt_mapping, page_base,
+ page_offset, user_data, page_length))
+
+ return -EFAULT;
remain -= page_length;
user_data += page_length;
offset += page_length;
}
-fail:
- i915_gem_object_unpin(obj);
- mutex_unlock(&dev->struct_mutex);
-
- return ret;
+ return 0;
}
/**
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
+ user_pages = drm_malloc_ab(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
+ mutex_unlock(&dev->struct_mutex);
down_read(&mm->mmap_sem);
pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
num_pages, 0, 0, user_pages, NULL);
up_read(&mm->mmap_sem);
+ mutex_lock(&dev->struct_mutex);
if (pinned_pages < num_pages) {
ret = -EFAULT;
goto out_unpin_pages;
}
- mutex_lock(&dev->struct_mutex);
- ret = i915_gem_object_pin(obj, 0);
- if (ret)
- goto out_unlock;
-
ret = i915_gem_object_set_to_gtt_domain(obj, 1);
if (ret)
- goto out_unpin_object;
+ goto out_unpin_pages;
obj_priv = to_intel_bo(obj);
offset = obj_priv->gtt_offset + args->offset;
data_ptr += page_length;
}
-out_unpin_object:
- i915_gem_object_unpin(obj);
-out_unlock:
- mutex_unlock(&dev->struct_mutex);
out_unpin_pages:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
loff_t offset, page_base;
char __user *user_data;
int page_offset, page_length;
- int ret;
user_data = (char __user *) (uintptr_t) args->data_ptr;
remain = args->size;
- mutex_lock(&dev->struct_mutex);
-
- ret = i915_gem_object_get_pages(obj, 0);
- if (ret != 0)
- goto fail_unlock;
-
- ret = i915_gem_object_set_to_cpu_domain(obj, 1);
- if (ret != 0)
- goto fail_put_pages;
-
obj_priv = to_intel_bo(obj);
offset = args->offset;
obj_priv->dirty = 1;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
- ret = fast_shmem_write(obj_priv->pages,
+ if (fast_shmem_write(obj_priv->pages,
page_base, page_offset,
- user_data, page_length);
- if (ret)
- goto fail_put_pages;
+ user_data, page_length))
+ return -EFAULT;
remain -= page_length;
user_data += page_length;
offset += page_length;
}
-fail_put_pages:
- i915_gem_object_put_pages(obj);
-fail_unlock:
- mutex_unlock(&dev->struct_mutex);
-
- return ret;
+ return 0;
}
/**
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
- user_pages = drm_calloc_large(num_pages, sizeof(struct page *));
+ user_pages = drm_malloc_ab(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
+ mutex_unlock(&dev->struct_mutex);
down_read(&mm->mmap_sem);
pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
num_pages, 0, 0, user_pages, NULL);
up_read(&mm->mmap_sem);
+ mutex_lock(&dev->struct_mutex);
if (pinned_pages < num_pages) {
ret = -EFAULT;
- goto fail_put_user_pages;
+ goto out;
}
- do_bit17_swizzling = i915_gem_object_needs_bit17_swizzle(obj);
-
- mutex_lock(&dev->struct_mutex);
-
- ret = i915_gem_object_get_pages_or_evict(obj);
+ ret = i915_gem_object_set_to_cpu_domain(obj, 1);
if (ret)
- goto fail_unlock;
+ goto out;
- ret = i915_gem_object_set_to_cpu_domain(obj, 1);
- if (ret != 0)
- goto fail_put_pages;
+ do_bit17_swizzling = i915_gem_object_needs_bit17_swizzle(obj);
obj_priv = to_intel_bo(obj);
offset = args->offset;
offset += page_length;
}
-fail_put_pages:
- i915_gem_object_put_pages(obj);
-fail_unlock:
- mutex_unlock(&dev->struct_mutex);
-fail_put_user_pages:
+out:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
drm_free_large(user_pages);
*/
int
i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+ struct drm_file *file)
{
struct drm_i915_gem_pwrite *args = data;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
int ret = 0;
- obj = drm_gem_object_lookup(dev, file_priv, args->handle);
- if (obj == NULL)
- return -ENOENT;
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
+ obj = drm_gem_object_lookup(dev, file, args->handle);
+ if (obj == NULL) {
+ ret = -ENOENT;
+ goto unlock;
+ }
obj_priv = to_intel_bo(obj);
+
/* Bounds check destination. */
if (args->offset > obj->size || args->size > obj->size - args->offset) {
ret = -EINVAL;
- goto err;
+ goto out;
}
+ if (args->size == 0)
+ goto out;
+
if (!access_ok(VERIFY_READ,
(char __user *)(uintptr_t)args->data_ptr,
args->size)) {
ret = -EFAULT;
- goto err;
+ goto out;
+ }
+
+ ret = fault_in_pages_readable((char __user *)(uintptr_t)args->data_ptr,
+ args->size);
+ if (ret) {
+ ret = -EFAULT;
+ goto out;
}
/* We can only do the GTT pwrite on untiled buffers, as otherwise
* perspective, requiring manual detiling by the client.
*/
if (obj_priv->phys_obj)
- ret = i915_gem_phys_pwrite(dev, obj, args, file_priv);
+ ret = i915_gem_phys_pwrite(dev, obj, args, file);
else if (obj_priv->tiling_mode == I915_TILING_NONE &&
- dev->gtt_total != 0 &&
+ obj_priv->gtt_space &&
obj->write_domain != I915_GEM_DOMAIN_CPU) {
- ret = i915_gem_gtt_pwrite_fast(dev, obj, args, file_priv);
- if (ret == -EFAULT) {
- ret = i915_gem_gtt_pwrite_slow(dev, obj, args,
- file_priv);
- }
- } else if (i915_gem_object_needs_bit17_swizzle(obj)) {
- ret = i915_gem_shmem_pwrite_slow(dev, obj, args, file_priv);
+ ret = i915_gem_object_pin(obj, 0);
+ if (ret)
+ goto out;
+
+ ret = i915_gem_object_set_to_gtt_domain(obj, 1);
+ if (ret)
+ goto out_unpin;
+
+ ret = i915_gem_gtt_pwrite_fast(dev, obj, args, file);
+ if (ret == -EFAULT)
+ ret = i915_gem_gtt_pwrite_slow(dev, obj, args, file);
+
+out_unpin:
+ i915_gem_object_unpin(obj);
} else {
- ret = i915_gem_shmem_pwrite_fast(dev, obj, args, file_priv);
- if (ret == -EFAULT) {
- ret = i915_gem_shmem_pwrite_slow(dev, obj, args,
- file_priv);
- }
- }
+ ret = i915_gem_object_get_pages_or_evict(obj);
+ if (ret)
+ goto out;
-#if WATCH_PWRITE
- if (ret)
- DRM_INFO("pwrite failed %d\n", ret);
-#endif
+ ret = i915_gem_object_set_to_cpu_domain(obj, 1);
+ if (ret)
+ goto out_put;
-err:
- drm_gem_object_unreference_unlocked(obj);
+ 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:
+ drm_gem_object_unreference(obj);
+unlock:
+ mutex_unlock(&dev->struct_mutex);
return ret;
}
if (write_domain != 0 && read_domains != write_domain)
return -EINVAL;
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
- if (obj == NULL)
- return -ENOENT;
+ if (obj == NULL) {
+ ret = -ENOENT;
+ goto unlock;
+ }
obj_priv = to_intel_bo(obj);
- mutex_lock(&dev->struct_mutex);
-
intel_mark_busy(dev, obj);
-#if WATCH_BUF
- DRM_INFO("set_domain_ioctl %p(%zd), %08x %08x\n",
- obj, obj->size, read_domains, write_domain);
-#endif
if (read_domains & I915_GEM_DOMAIN_GTT) {
ret = i915_gem_object_set_to_gtt_domain(obj, write_domain != 0);
ret = i915_gem_object_set_to_cpu_domain(obj, write_domain != 0);
}
-
/* Maintain LRU order of "inactive" objects */
if (ret == 0 && i915_gem_object_is_inactive(obj_priv))
- list_move_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
+ list_move_tail(&obj_priv->mm_list, &dev_priv->mm.inactive_list);
drm_gem_object_unreference(obj);
+unlock:
mutex_unlock(&dev->struct_mutex);
return ret;
}
{
struct drm_i915_gem_sw_finish *args = data;
struct drm_gem_object *obj;
- struct drm_i915_gem_object *obj_priv;
int ret = 0;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
- mutex_lock(&dev->struct_mutex);
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
if (obj == NULL) {
- mutex_unlock(&dev->struct_mutex);
- return -ENOENT;
+ ret = -ENOENT;
+ goto unlock;
}
-#if WATCH_BUF
- DRM_INFO("%s: sw_finish %d (%p %zd)\n",
- __func__, args->handle, obj, obj->size);
-#endif
- obj_priv = to_intel_bo(obj);
-
/* Pinned buffers may be scanout, so flush the cache */
- if (obj_priv->pin_count)
+ if (to_intel_bo(obj)->pin_count)
i915_gem_object_flush_cpu_write_domain(obj);
drm_gem_object_unreference(obj);
+unlock:
mutex_unlock(&dev->struct_mutex);
return ret;
}
/* Need a new fence register? */
if (obj_priv->tiling_mode != I915_TILING_NONE) {
- ret = i915_gem_object_get_fence_reg(obj);
+ ret = i915_gem_object_get_fence_reg(obj, true);
if (ret)
goto unlock;
}
if (i915_gem_object_is_inactive(obj_priv))
- list_move_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
+ list_move_tail(&obj_priv->mm_list, &dev_priv->mm.inactive_list);
pfn = ((dev->agp->base + obj_priv->gtt_offset) >> PAGE_SHIFT) +
page_offset;
obj->size / PAGE_SIZE, 0, 0);
if (!list->file_offset_node) {
DRM_ERROR("failed to allocate offset for bo %d\n", obj->name);
- ret = -ENOMEM;
+ ret = -ENOSPC;
goto out_free_list;
}
}
list->hash.key = list->file_offset_node->start;
- if (drm_ht_insert_item(&mm->offset_hash, &list->hash)) {
+ ret = drm_ht_insert_item(&mm->offset_hash, &list->hash);
+ if (ret) {
DRM_ERROR("failed to add to map hash\n");
- ret = -ENOMEM;
goto out_free_mm;
}
* Minimum alignment is 4k (GTT page size), but might be greater
* if a fence register is needed for the object.
*/
- if (IS_I965G(dev) || 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.
*/
- if (IS_I9XX(dev))
+ if (INTEL_INFO(dev)->gen == 3)
start = 1024*1024;
else
start = 512*1024;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
- obj = drm_gem_object_lookup(dev, file_priv, args->handle);
- if (obj == NULL)
- return -ENOENT;
-
- mutex_lock(&dev->struct_mutex);
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+ obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+ if (obj == NULL) {
+ ret = -ENOENT;
+ goto unlock;
+ }
obj_priv = to_intel_bo(obj);
if (obj_priv->madv != I915_MADV_WILLNEED) {
DRM_ERROR("Attempting to mmap a purgeable buffer\n");
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
-
if (!obj_priv->mmap_offset) {
ret = i915_gem_create_mmap_offset(obj);
- if (ret) {
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
+ if (ret)
+ goto out;
}
args->offset = obj_priv->mmap_offset;
*/
if (!obj_priv->agp_mem) {
ret = i915_gem_object_bind_to_gtt(obj, 0);
- if (ret) {
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
+ if (ret)
+ goto out;
}
+out:
drm_gem_object_unreference(obj);
+unlock:
mutex_unlock(&dev->struct_mutex);
-
- return 0;
+ return ret;
}
-void
+static void
i915_gem_object_put_pages(struct drm_gem_object *obj)
{
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
obj_priv->pages = NULL;
}
+static uint32_t
+i915_gem_next_request_seqno(struct drm_device *dev,
+ struct intel_ring_buffer *ring)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+
+ ring->outstanding_lazy_request = true;
+ return dev_priv->next_seqno;
+}
+
static void
-i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno,
+i915_gem_object_move_to_active(struct drm_gem_object *obj,
struct intel_ring_buffer *ring)
{
struct drm_device *dev = obj->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+ uint32_t seqno = i915_gem_next_request_seqno(dev, ring);
+
BUG_ON(ring == NULL);
obj_priv->ring = ring;
drm_gem_object_reference(obj);
obj_priv->active = 1;
}
+
/* Move from whatever list we were on to the tail of execution. */
- spin_lock(&dev_priv->mm.active_list_lock);
- list_move_tail(&obj_priv->list, &ring->active_list);
- spin_unlock(&dev_priv->mm.active_list_lock);
+ list_move_tail(&obj_priv->mm_list, &dev_priv->mm.active_list);
+ list_move_tail(&obj_priv->ring_list, &ring->active_list);
obj_priv->last_rendering_seqno = seqno;
}
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
BUG_ON(!obj_priv->active);
- list_move_tail(&obj_priv->list, &dev_priv->mm.flushing_list);
+ list_move_tail(&obj_priv->mm_list, &dev_priv->mm.flushing_list);
+ list_del_init(&obj_priv->ring_list);
obj_priv->last_rendering_seqno = 0;
}
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- i915_verify_inactive(dev, __FILE__, __LINE__);
if (obj_priv->pin_count != 0)
- list_del_init(&obj_priv->list);
+ list_move_tail(&obj_priv->mm_list, &dev_priv->mm.pinned_list);
else
- list_move_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
+ list_move_tail(&obj_priv->mm_list, &dev_priv->mm.inactive_list);
+ list_del_init(&obj_priv->ring_list);
BUG_ON(!list_empty(&obj_priv->gpu_write_list));
obj_priv->active = 0;
drm_gem_object_unreference(obj);
}
- i915_verify_inactive(dev, __FILE__, __LINE__);
+ WARN_ON(i915_verify_lists(dev));
}
static void
i915_gem_process_flushing_list(struct drm_device *dev,
- uint32_t flush_domains, uint32_t seqno,
+ uint32_t flush_domains,
struct intel_ring_buffer *ring)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv, *next;
list_for_each_entry_safe(obj_priv, next,
- &dev_priv->mm.gpu_write_list,
+ &ring->gpu_write_list,
gpu_write_list) {
struct drm_gem_object *obj = &obj_priv->base;
- if ((obj->write_domain & flush_domains) ==
- obj->write_domain &&
- obj_priv->ring->ring_flag == ring->ring_flag) {
+ if (obj->write_domain & flush_domains) {
uint32_t old_write_domain = obj->write_domain;
obj->write_domain = 0;
list_del_init(&obj_priv->gpu_write_list);
- i915_gem_object_move_to_active(obj, seqno, ring);
+ i915_gem_object_move_to_active(obj, ring);
/* update the fence lru list */
if (obj_priv->fence_reg != I915_FENCE_REG_NONE) {
}
uint32_t
-i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
- uint32_t flush_domains, struct intel_ring_buffer *ring)
+i915_add_request(struct drm_device *dev,
+ struct drm_file *file,
+ struct drm_i915_gem_request *request,
+ struct intel_ring_buffer *ring)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_file_private *i915_file_priv = NULL;
- struct drm_i915_gem_request *request;
+ struct drm_i915_file_private *file_priv = NULL;
uint32_t seqno;
int was_empty;
- if (file_priv != NULL)
- i915_file_priv = file_priv->driver_priv;
+ if (file != NULL)
+ file_priv = file->driver_priv;
- request = kzalloc(sizeof(*request), GFP_KERNEL);
- if (request == NULL)
- return 0;
+ if (request == NULL) {
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL)
+ return 0;
+ }
- seqno = ring->add_request(dev, ring, file_priv, flush_domains);
+ seqno = ring->add_request(dev, ring, 0);
+ ring->outstanding_lazy_request = false;
request->seqno = seqno;
request->ring = ring;
was_empty = list_empty(&ring->request_list);
list_add_tail(&request->list, &ring->request_list);
- if (i915_file_priv) {
+ if (file_priv) {
+ spin_lock(&file_priv->mm.lock);
+ request->file_priv = file_priv;
list_add_tail(&request->client_list,
- &i915_file_priv->mm.request_list);
- } else {
- INIT_LIST_HEAD(&request->client_list);
+ &file_priv->mm.request_list);
+ spin_unlock(&file_priv->mm.lock);
}
- /* Associate any objects on the flushing list matching the write
- * domain we're flushing with our flush.
- */
- if (flush_domains != 0)
- i915_gem_process_flushing_list(dev, flush_domains, seqno, ring);
-
if (!dev_priv->mm.suspended) {
- mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
+ mod_timer(&dev_priv->hangcheck_timer,
+ jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
if (was_empty)
- queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
+ queue_delayed_work(dev_priv->wq,
+ &dev_priv->mm.retire_work, HZ);
}
return seqno;
}
* Ensures that all commands in the ring are finished
* before signalling the CPU
*/
-static uint32_t
+static void
i915_retire_commands(struct drm_device *dev, struct intel_ring_buffer *ring)
{
uint32_t flush_domains = 0;
/* The sampler always gets flushed on i965 (sigh) */
- if (IS_I965G(dev))
+ if (INTEL_INFO(dev)->gen >= 4)
flush_domains |= I915_GEM_DOMAIN_SAMPLER;
ring->flush(dev, ring,
I915_GEM_DOMAIN_COMMAND, flush_domains);
- return flush_domains;
}
-/**
- * Moves buffers associated only with the given active seqno from the active
- * to inactive list, potentially freeing them.
- */
-static void
-i915_gem_retire_request(struct drm_device *dev,
- struct drm_i915_gem_request *request)
+static inline void
+i915_gem_request_remove_from_client(struct drm_i915_gem_request *request)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_file_private *file_priv = request->file_priv;
- trace_i915_gem_request_retire(dev, request->seqno);
+ if (!file_priv)
+ return;
- /* Move any buffers on the active list that are no longer referenced
- * by the ringbuffer to the flushing/inactive lists as appropriate.
- */
- spin_lock(&dev_priv->mm.active_list_lock);
- while (!list_empty(&request->ring->active_list)) {
- struct drm_gem_object *obj;
- struct drm_i915_gem_object *obj_priv;
+ spin_lock(&file_priv->mm.lock);
+ list_del(&request->client_list);
+ request->file_priv = NULL;
+ spin_unlock(&file_priv->mm.lock);
+}
- obj_priv = list_first_entry(&request->ring->active_list,
- struct drm_i915_gem_object,
- list);
- obj = &obj_priv->base;
+static void i915_gem_reset_ring_lists(struct drm_i915_private *dev_priv,
+ struct intel_ring_buffer *ring)
+{
+ while (!list_empty(&ring->request_list)) {
+ struct drm_i915_gem_request *request;
- /* If the seqno being retired doesn't match the oldest in the
- * list, then the oldest in the list must still be newer than
- * this seqno.
- */
- if (obj_priv->last_rendering_seqno != request->seqno)
- goto out;
+ request = list_first_entry(&ring->request_list,
+ struct drm_i915_gem_request,
+ list);
-#if WATCH_LRU
- DRM_INFO("%s: retire %d moves to inactive list %p\n",
- __func__, request->seqno, obj);
-#endif
+ list_del(&request->list);
+ i915_gem_request_remove_from_client(request);
+ kfree(request);
+ }
- if (obj->write_domain != 0)
- i915_gem_object_move_to_flushing(obj);
- else {
- /* Take a reference on the object so it won't be
- * freed while the spinlock is held. The list
- * protection for this spinlock is safe when breaking
- * the lock like this since the next thing we do
- * is just get the head of the list again.
- */
- drm_gem_object_reference(obj);
- i915_gem_object_move_to_inactive(obj);
- spin_unlock(&dev_priv->mm.active_list_lock);
- drm_gem_object_unreference(obj);
- spin_lock(&dev_priv->mm.active_list_lock);
- }
+ while (!list_empty(&ring->active_list)) {
+ struct drm_i915_gem_object *obj_priv;
+
+ obj_priv = list_first_entry(&ring->active_list,
+ struct drm_i915_gem_object,
+ ring_list);
+
+ obj_priv->base.write_domain = 0;
+ list_del_init(&obj_priv->gpu_write_list);
+ i915_gem_object_move_to_inactive(&obj_priv->base);
}
-out:
- spin_unlock(&dev_priv->mm.active_list_lock);
}
-/**
- * Returns true if seq1 is later than seq2.
- */
-bool
-i915_seqno_passed(uint32_t seq1, uint32_t seq2)
+void i915_gem_reset(struct drm_device *dev)
{
- return (int32_t)(seq1 - seq2) >= 0;
-}
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_gem_object *obj_priv;
+ int i;
-uint32_t
-i915_get_gem_seqno(struct drm_device *dev,
- struct intel_ring_buffer *ring)
-{
- return ring->get_gem_seqno(dev, ring);
+ 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);
+
+ /* Remove anything from the flushing lists. The GPU cache is likely
+ * to be lost on reset along with the data, so simply move the
+ * lost bo to the inactive list.
+ */
+ while (!list_empty(&dev_priv->mm.flushing_list)) {
+ obj_priv = list_first_entry(&dev_priv->mm.flushing_list,
+ struct drm_i915_gem_object,
+ mm_list);
+
+ obj_priv->base.write_domain = 0;
+ list_del_init(&obj_priv->gpu_write_list);
+ i915_gem_object_move_to_inactive(&obj_priv->base);
+ }
+
+ /* Move everything out of the GPU domains to ensure we do any
+ * necessary invalidation upon reuse.
+ */
+ list_for_each_entry(obj_priv,
+ &dev_priv->mm.inactive_list,
+ mm_list)
+ {
+ obj_priv->base.read_domains &= ~I915_GEM_GPU_DOMAINS;
+ }
+
+ /* The fence registers are invalidated so clear them out */
+ for (i = 0; i < 16; i++) {
+ struct drm_i915_fence_reg *reg;
+
+ reg = &dev_priv->fence_regs[i];
+ if (!reg->obj)
+ continue;
+
+ i915_gem_clear_fence_reg(reg->obj);
+ }
}
/**
drm_i915_private_t *dev_priv = dev->dev_private;
uint32_t seqno;
- if (!ring->status_page.page_addr
- || list_empty(&ring->request_list))
+ if (!ring->status_page.page_addr ||
+ list_empty(&ring->request_list))
return;
- seqno = i915_get_gem_seqno(dev, ring);
+ WARN_ON(i915_verify_lists(dev));
+ seqno = ring->get_seqno(dev, ring);
while (!list_empty(&ring->request_list)) {
struct drm_i915_gem_request *request;
- uint32_t retiring_seqno;
request = list_first_entry(&ring->request_list,
struct drm_i915_gem_request,
list);
- retiring_seqno = request->seqno;
- if (i915_seqno_passed(seqno, retiring_seqno) ||
- atomic_read(&dev_priv->mm.wedged)) {
- i915_gem_retire_request(dev, request);
+ if (!i915_seqno_passed(seqno, request->seqno))
+ break;
+
+ trace_i915_gem_request_retire(dev, request->seqno);
+
+ list_del(&request->list);
+ i915_gem_request_remove_from_client(request);
+ kfree(request);
+ }
+
+ /* Move any buffers on the active list that are no longer referenced
+ * by the ringbuffer to the flushing/inactive lists as appropriate.
+ */
+ while (!list_empty(&ring->active_list)) {
+ struct drm_gem_object *obj;
+ struct drm_i915_gem_object *obj_priv;
+
+ obj_priv = list_first_entry(&ring->active_list,
+ struct drm_i915_gem_object,
+ ring_list);
- list_del(&request->list);
- list_del(&request->client_list);
- kfree(request);
- } else
+ if (!i915_seqno_passed(seqno, obj_priv->last_rendering_seqno))
break;
+
+ obj = &obj_priv->base;
+ if (obj->write_domain != 0)
+ i915_gem_object_move_to_flushing(obj);
+ else
+ i915_gem_object_move_to_inactive(obj);
}
if (unlikely (dev_priv->trace_irq_seqno &&
i915_seqno_passed(dev_priv->trace_irq_seqno, seqno))) {
-
ring->user_irq_put(dev, ring);
dev_priv->trace_irq_seqno = 0;
}
+
+ WARN_ON(i915_verify_lists(dev));
}
void
*/
list_for_each_entry_safe(obj_priv, tmp,
&dev_priv->mm.deferred_free_list,
- list)
+ mm_list)
i915_gem_free_object_tail(&obj_priv->base);
}
i915_gem_retire_requests_ring(dev, &dev_priv->render_ring);
- if (HAS_BSD(dev))
- i915_gem_retire_requests_ring(dev, &dev_priv->bsd_ring);
+ i915_gem_retire_requests_ring(dev, &dev_priv->bsd_ring);
+ i915_gem_retire_requests_ring(dev, &dev_priv->blt_ring);
}
-void
+static void
i915_gem_retire_work_handler(struct work_struct *work)
{
drm_i915_private_t *dev_priv;
mm.retire_work.work);
dev = dev_priv->dev;
- mutex_lock(&dev->struct_mutex);
+ /* Come back later if the device is busy... */
+ if (!mutex_trylock(&dev->struct_mutex)) {
+ queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
+ return;
+ }
+
i915_gem_retire_requests(dev);
if (!dev_priv->mm.suspended &&
(!list_empty(&dev_priv->render_ring.request_list) ||
- (HAS_BSD(dev) &&
- !list_empty(&dev_priv->bsd_ring.request_list))))
+ !list_empty(&dev_priv->bsd_ring.request_list) ||
+ !list_empty(&dev_priv->blt_ring.request_list)))
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
mutex_unlock(&dev->struct_mutex);
}
int
i915_do_wait_request(struct drm_device *dev, uint32_t seqno,
- int interruptible, struct intel_ring_buffer *ring)
+ bool interruptible, struct intel_ring_buffer *ring)
{
drm_i915_private_t *dev_priv = dev->dev_private;
u32 ier;
BUG_ON(seqno == 0);
if (atomic_read(&dev_priv->mm.wedged))
- return -EIO;
+ return -EAGAIN;
- if (!i915_seqno_passed(ring->get_gem_seqno(dev, ring), seqno)) {
+ if (ring->outstanding_lazy_request) {
+ seqno = i915_add_request(dev, NULL, NULL, ring);
+ if (seqno == 0)
+ return -ENOMEM;
+ }
+ BUG_ON(seqno == dev_priv->next_seqno);
+
+ if (!i915_seqno_passed(ring->get_seqno(dev, ring), seqno)) {
if (HAS_PCH_SPLIT(dev))
ier = I915_READ(DEIER) | I915_READ(GTIER);
else
if (interruptible)
ret = wait_event_interruptible(ring->irq_queue,
i915_seqno_passed(
- ring->get_gem_seqno(dev, ring), seqno)
+ ring->get_seqno(dev, ring), seqno)
|| atomic_read(&dev_priv->mm.wedged));
else
wait_event(ring->irq_queue,
i915_seqno_passed(
- ring->get_gem_seqno(dev, ring), seqno)
+ ring->get_seqno(dev, ring), seqno)
|| atomic_read(&dev_priv->mm.wedged));
ring->user_irq_put(dev, ring);
trace_i915_gem_request_wait_end(dev, seqno);
}
if (atomic_read(&dev_priv->mm.wedged))
- ret = -EIO;
+ ret = -EAGAIN;
if (ret && ret != -ERESTARTSYS)
- DRM_ERROR("%s returns %d (awaiting %d at %d)\n",
- __func__, ret, seqno, ring->get_gem_seqno(dev, ring));
+ DRM_ERROR("%s returns %d (awaiting %d at %d, next %d)\n",
+ __func__, ret, seqno, ring->get_seqno(dev, ring),
+ dev_priv->next_seqno);
/* Directly dispatch request retiring. While we have the work queue
* to handle this, the waiter on a request often wants an associated
*/
static int
i915_wait_request(struct drm_device *dev, uint32_t seqno,
- struct intel_ring_buffer *ring)
+ struct intel_ring_buffer *ring)
{
return i915_do_wait_request(dev, seqno, 1, ring);
}
+static void
+i915_gem_flush_ring(struct drm_device *dev,
+ struct drm_file *file_priv,
+ struct intel_ring_buffer *ring,
+ uint32_t invalidate_domains,
+ uint32_t flush_domains)
+{
+ ring->flush(dev, ring, invalidate_domains, flush_domains);
+ i915_gem_process_flushing_list(dev, flush_domains, ring);
+}
+
static void
i915_gem_flush(struct drm_device *dev,
+ struct drm_file *file_priv,
uint32_t invalidate_domains,
- uint32_t flush_domains)
+ uint32_t flush_domains,
+ uint32_t flush_rings)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+
if (flush_domains & I915_GEM_DOMAIN_CPU)
drm_agp_chipset_flush(dev);
- dev_priv->render_ring.flush(dev, &dev_priv->render_ring,
- invalidate_domains,
- flush_domains);
-
- if (HAS_BSD(dev))
- dev_priv->bsd_ring.flush(dev, &dev_priv->bsd_ring,
- invalidate_domains,
- flush_domains);
+
+ if ((flush_domains | invalidate_domains) & I915_GEM_GPU_DOMAINS) {
+ if (flush_rings & RING_RENDER)
+ i915_gem_flush_ring(dev, file_priv,
+ &dev_priv->render_ring,
+ invalidate_domains, flush_domains);
+ if (flush_rings & RING_BSD)
+ i915_gem_flush_ring(dev, file_priv,
+ &dev_priv->bsd_ring,
+ invalidate_domains, flush_domains);
+ if (flush_rings & RING_BLT)
+ i915_gem_flush_ring(dev, file_priv,
+ &dev_priv->blt_ring,
+ invalidate_domains, flush_domains);
+ }
}
/**
* safe to unbind from the GTT or access from the CPU.
*/
static int
-i915_gem_object_wait_rendering(struct drm_gem_object *obj)
+i915_gem_object_wait_rendering(struct drm_gem_object *obj,
+ bool interruptible)
{
struct drm_device *dev = obj->dev;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
* it.
*/
if (obj_priv->active) {
-#if WATCH_BUF
- DRM_INFO("%s: object %p wait for seqno %08x\n",
- __func__, obj, obj_priv->last_rendering_seqno);
-#endif
- ret = i915_wait_request(dev,
- obj_priv->last_rendering_seqno, obj_priv->ring);
- if (ret != 0)
+ ret = i915_do_wait_request(dev,
+ obj_priv->last_rendering_seqno,
+ interruptible,
+ obj_priv->ring);
+ if (ret)
return ret;
}
i915_gem_object_unbind(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
int ret = 0;
-#if WATCH_BUF
- DRM_INFO("%s:%d %p\n", __func__, __LINE__, obj);
- DRM_INFO("gtt_space %p\n", obj_priv->gtt_space);
-#endif
if (obj_priv->gtt_space == NULL)
return 0;
* should be safe and we need to cleanup or else we might
* cause memory corruption through use-after-free.
*/
+ if (ret) {
+ i915_gem_clflush_object(obj);
+ obj->read_domains = obj->write_domain = I915_GEM_DOMAIN_CPU;
+ }
/* release the fence reg _after_ flushing */
if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
i915_gem_clear_fence_reg(obj);
- if (obj_priv->agp_mem != NULL) {
- drm_unbind_agp(obj_priv->agp_mem);
- drm_free_agp(obj_priv->agp_mem, obj->size / PAGE_SIZE);
- obj_priv->agp_mem = NULL;
- }
+ 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);
- if (obj_priv->gtt_space) {
- atomic_dec(&dev->gtt_count);
- atomic_sub(obj->size, &dev->gtt_memory);
-
- drm_mm_put_block(obj_priv->gtt_space);
- obj_priv->gtt_space = NULL;
- }
+ i915_gem_info_remove_gtt(dev_priv, obj->size);
+ list_del_init(&obj_priv->mm_list);
- /* Remove ourselves from the LRU list if present. */
- spin_lock(&dev_priv->mm.active_list_lock);
- if (!list_empty(&obj_priv->list))
- list_del_init(&obj_priv->list);
- spin_unlock(&dev_priv->mm.active_list_lock);
+ drm_mm_put_block(obj_priv->gtt_space);
+ obj_priv->gtt_space = NULL;
+ obj_priv->gtt_offset = 0;
if (i915_gem_object_is_purgeable(obj_priv))
i915_gem_object_truncate(obj);
return ret;
}
+static int i915_ring_idle(struct drm_device *dev,
+ struct intel_ring_buffer *ring)
+{
+ if (list_empty(&ring->gpu_write_list) && list_empty(&ring->active_list))
+ return 0;
+
+ i915_gem_flush_ring(dev, NULL, ring,
+ I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+ return i915_wait_request(dev,
+ i915_gem_next_request_seqno(dev, ring),
+ ring);
+}
+
int
i915_gpu_idle(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
bool lists_empty;
- uint32_t seqno1, seqno2;
int ret;
- spin_lock(&dev_priv->mm.active_list_lock);
lists_empty = (list_empty(&dev_priv->mm.flushing_list) &&
- list_empty(&dev_priv->render_ring.active_list) &&
- (!HAS_BSD(dev) ||
- list_empty(&dev_priv->bsd_ring.active_list)));
- spin_unlock(&dev_priv->mm.active_list_lock);
-
+ list_empty(&dev_priv->mm.active_list));
if (lists_empty)
return 0;
/* Flush everything onto the inactive list. */
- i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
- seqno1 = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS,
- &dev_priv->render_ring);
- if (seqno1 == 0)
- return -ENOMEM;
- ret = i915_wait_request(dev, seqno1, &dev_priv->render_ring);
-
- if (HAS_BSD(dev)) {
- seqno2 = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS,
- &dev_priv->bsd_ring);
- if (seqno2 == 0)
- return -ENOMEM;
+ ret = i915_ring_idle(dev, &dev_priv->render_ring);
+ if (ret)
+ return ret;
- ret = i915_wait_request(dev, seqno2, &dev_priv->bsd_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;
- return ret;
+ return 0;
}
-int
+static int
i915_gem_object_get_pages(struct drm_gem_object *obj,
gfp_t gfpmask)
{
I915_WRITE(FENCE_REG_830_0 + (regnum * 4), val);
}
-static int i915_find_fence_reg(struct drm_device *dev)
+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;
* 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);
+ ret = i915_gem_object_put_fence_reg(obj, interruptible);
drm_gem_object_unreference(obj);
if (ret != 0)
return ret;
* and tiling format.
*/
int
-i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
+i915_gem_object_get_fence_reg(struct drm_gem_object *obj,
+ bool interruptible)
{
struct drm_device *dev = obj->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
break;
}
- ret = i915_find_fence_reg(dev);
+ ret = i915_find_fence_reg(dev, interruptible);
if (ret < 0)
return ret;
* i915_gem_object_put_fence_reg - waits on outstanding fenced access
* to the buffer to finish, and then resets the fence register.
* @obj: tiled object holding a fence register.
+ * @bool: whether the wait upon the fence is interruptible
*
* Zeroes out the fence register itself and clears out the associated
* data structures in dev_priv and obj_priv.
*/
int
-i915_gem_object_put_fence_reg(struct drm_gem_object *obj)
+i915_gem_object_put_fence_reg(struct drm_gem_object *obj,
+ bool interruptible)
{
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);
+ struct drm_i915_fence_reg *reg;
if (obj_priv->fence_reg == I915_FENCE_REG_NONE)
return 0;
* therefore we must wait for any outstanding access to complete
* before clearing the fence.
*/
- if (!IS_I965G(dev)) {
+ reg = &dev_priv->fence_regs[obj_priv->fence_reg];
+ if (reg->gpu) {
int ret;
- ret = i915_gem_object_flush_gpu_write_domain(obj);
- if (ret != 0)
+ ret = i915_gem_object_flush_gpu_write_domain(obj, true);
+ if (ret)
return ret;
- ret = i915_gem_object_wait_rendering(obj);
- if (ret != 0)
+ ret = i915_gem_object_wait_rendering(obj, interruptible);
+ if (ret)
return ret;
+
+ reg->gpu = false;
}
i915_gem_object_flush_gtt_write_domain(obj);
- i915_gem_clear_fence_reg (obj);
+ i915_gem_clear_fence_reg(obj);
return 0;
}
/* 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->gtt_total) {
+ if (obj->size > 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) {
+ if (free_space != NULL)
obj_priv->gtt_space = drm_mm_get_block(free_space, obj->size,
alignment);
- if (obj_priv->gtt_space != NULL)
- obj_priv->gtt_offset = obj_priv->gtt_space->start;
- }
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.
*/
-#if WATCH_LRU
- DRM_INFO("%s: GTT full, evicting something\n", __func__);
-#endif
ret = i915_gem_evict_something(dev, obj->size, alignment);
if (ret)
return ret;
goto search_free;
}
-#if WATCH_BUF
- DRM_INFO("Binding object of size %zd at 0x%08x\n",
- obj->size, obj_priv->gtt_offset);
-#endif
ret = i915_gem_object_get_pages(obj, gfpmask);
if (ret) {
drm_mm_put_block(obj_priv->gtt_space);
obj_priv->agp_mem = drm_agp_bind_pages(dev,
obj_priv->pages,
obj->size >> PAGE_SHIFT,
- obj_priv->gtt_offset,
+ obj_priv->gtt_space->start,
obj_priv->agp_type);
if (obj_priv->agp_mem == NULL) {
i915_gem_object_put_pages(obj);
goto search_free;
}
- atomic_inc(&dev->gtt_count);
- atomic_add(obj->size, &dev->gtt_memory);
/* keep track of bounds object by adding it to the inactive list */
- list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
+ list_add_tail(&obj_priv->mm_list, &dev_priv->mm.inactive_list);
+ i915_gem_info_add_gtt(dev_priv, obj->size);
/* 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);
return 0;
/** Flushes any GPU write domain for the object if it's dirty. */
static int
-i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj)
+i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj,
+ bool pipelined)
{
struct drm_device *dev = obj->dev;
uint32_t old_write_domain;
- struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
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(dev, 0, obj->write_domain);
- if (i915_add_request(dev, NULL, obj->write_domain, obj_priv->ring) == 0)
- return -ENOMEM;
+ 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);
- return 0;
+
+ if (pipelined)
+ return 0;
+
+ return i915_gem_object_wait_rendering(obj, true);
}
/** Flushes the GTT write domain for the object if it's dirty. */
old_write_domain);
}
-int
-i915_gem_object_flush_write_domain(struct drm_gem_object *obj)
-{
- int ret = 0;
-
- switch (obj->write_domain) {
- case I915_GEM_DOMAIN_GTT:
- i915_gem_object_flush_gtt_write_domain(obj);
- break;
- case I915_GEM_DOMAIN_CPU:
- i915_gem_object_flush_cpu_write_domain(obj);
- break;
- default:
- ret = i915_gem_object_flush_gpu_write_domain(obj);
- break;
- }
-
- return ret;
-}
-
/**
* Moves a single object to the GTT read, and possibly write domain.
*
if (obj_priv->gtt_space == NULL)
return -EINVAL;
- ret = i915_gem_object_flush_gpu_write_domain(obj);
+ ret = i915_gem_object_flush_gpu_write_domain(obj, false);
if (ret != 0)
return ret;
- /* Wait on any GPU rendering and flushing to occur. */
- ret = i915_gem_object_wait_rendering(obj);
- if (ret != 0)
- return ret;
+ i915_gem_object_flush_cpu_write_domain(obj);
+
+ if (write) {
+ ret = i915_gem_object_wait_rendering(obj, true);
+ if (ret)
+ return ret;
+ }
old_write_domain = obj->write_domain;
old_read_domains = obj->read_domains;
- /* If we're writing through the GTT domain, then CPU and GPU caches
- * will need to be invalidated at next use.
- */
- if (write)
- obj->read_domains &= I915_GEM_DOMAIN_GTT;
-
- i915_gem_object_flush_cpu_write_domain(obj);
-
/* It should now be out of any other write domains, and we can update
* the domain values for our changes.
*/
BUG_ON((obj->write_domain & ~I915_GEM_DOMAIN_GTT) != 0);
obj->read_domains |= I915_GEM_DOMAIN_GTT;
if (write) {
+ obj->read_domains = I915_GEM_DOMAIN_GTT;
obj->write_domain = I915_GEM_DOMAIN_GTT;
obj_priv->dirty = 1;
}
* wait, as in modesetting process we're not supposed to be interrupted.
*/
int
-i915_gem_object_set_to_display_plane(struct drm_gem_object *obj)
+i915_gem_object_set_to_display_plane(struct drm_gem_object *obj,
+ bool pipelined)
{
- struct drm_device *dev = obj->dev;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- uint32_t old_write_domain, old_read_domains;
+ uint32_t old_read_domains;
int ret;
/* Not valid to be called on unbound objects. */
if (obj_priv->gtt_space == NULL)
return -EINVAL;
- ret = i915_gem_object_flush_gpu_write_domain(obj);
+ ret = i915_gem_object_flush_gpu_write_domain(obj, true);
if (ret)
return ret;
- /* Wait on any GPU rendering and flushing to occur. */
- if (obj_priv->active) {
-#if WATCH_BUF
- DRM_INFO("%s: object %p wait for seqno %08x\n",
- __func__, obj, obj_priv->last_rendering_seqno);
-#endif
- ret = i915_do_wait_request(dev,
- obj_priv->last_rendering_seqno,
- 0,
- obj_priv->ring);
- if (ret != 0)
+ /* Currently, we are always called from an non-interruptible context. */
+ if (!pipelined) {
+ ret = i915_gem_object_wait_rendering(obj, false);
+ if (ret)
return ret;
}
i915_gem_object_flush_cpu_write_domain(obj);
- old_write_domain = obj->write_domain;
old_read_domains = obj->read_domains;
-
- /* It should now be out of any other write domains, and we can update
- * the domain values for our changes.
- */
- BUG_ON((obj->write_domain & ~I915_GEM_DOMAIN_GTT) != 0);
- obj->read_domains = I915_GEM_DOMAIN_GTT;
- obj->write_domain = I915_GEM_DOMAIN_GTT;
- obj_priv->dirty = 1;
+ obj->read_domains |= I915_GEM_DOMAIN_GTT;
trace_i915_gem_object_change_domain(obj,
old_read_domains,
- old_write_domain);
+ obj->write_domain);
return 0;
}
uint32_t old_write_domain, old_read_domains;
int ret;
- ret = i915_gem_object_flush_gpu_write_domain(obj);
- if (ret)
- return ret;
-
- /* Wait on any GPU rendering and flushing to occur. */
- ret = i915_gem_object_wait_rendering(obj);
+ ret = i915_gem_object_flush_gpu_write_domain(obj, false);
if (ret != 0)
return ret;
*/
i915_gem_object_set_to_full_cpu_read_domain(obj);
+ if (write) {
+ ret = i915_gem_object_wait_rendering(obj, true);
+ if (ret)
+ return ret;
+ }
+
old_write_domain = obj->write_domain;
old_read_domains = obj->read_domains;
* need to be invalidated at next use.
*/
if (write) {
- obj->read_domains &= I915_GEM_DOMAIN_CPU;
+ obj->read_domains = I915_GEM_DOMAIN_CPU;
obj->write_domain = I915_GEM_DOMAIN_CPU;
}
* drm_agp_chipset_flush
*/
static void
-i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj)
+i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj,
+ struct intel_ring_buffer *ring)
{
struct drm_device *dev = obj->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
+ 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;
- BUG_ON(obj->pending_read_domains & I915_GEM_DOMAIN_CPU);
- BUG_ON(obj->pending_write_domain == I915_GEM_DOMAIN_CPU);
-
intel_mark_busy(dev, obj);
-#if WATCH_BUF
- DRM_INFO("%s: object %p read %08x -> %08x write %08x -> %08x\n",
- __func__, obj,
- obj->read_domains, obj->pending_read_domains,
- obj->write_domain, obj->pending_write_domain);
-#endif
/*
* If the object isn't moving to a new write domain,
* let the object stay in multiple read domains
* write domain
*/
if (obj->write_domain &&
- obj->write_domain != obj->pending_read_domains) {
+ (obj->write_domain != obj->pending_read_domains ||
+ obj_priv->ring != ring)) {
flush_domains |= obj->write_domain;
invalidate_domains |=
obj->pending_read_domains & ~obj->write_domain;
* stale data. That is, any new read domains.
*/
invalidate_domains |= obj->pending_read_domains & ~obj->read_domains;
- if ((flush_domains | invalidate_domains) & I915_GEM_DOMAIN_CPU) {
-#if WATCH_BUF
- DRM_INFO("%s: CPU domain flush %08x invalidate %08x\n",
- __func__, flush_domains, invalidate_domains);
-#endif
+ if ((flush_domains | invalidate_domains) & I915_GEM_DOMAIN_CPU)
i915_gem_clflush_object(obj);
- }
old_read_domains = obj->read_domains;
obj->pending_write_domain = obj->write_domain;
obj->read_domains = obj->pending_read_domains;
- if (flush_domains & I915_GEM_GPU_DOMAINS) {
- if (obj_priv->ring == &dev_priv->render_ring)
- dev_priv->flush_rings |= FLUSH_RENDER_RING;
- else if (obj_priv->ring == &dev_priv->bsd_ring)
- dev_priv->flush_rings |= FLUSH_BSD_RING;
- }
-
dev->invalidate_domains |= invalidate_domains;
dev->flush_domains |= flush_domains;
-#if WATCH_BUF
- DRM_INFO("%s: read %08x write %08x invalidate %08x flush %08x\n",
- __func__,
- obj->read_domains, obj->write_domain,
- dev->invalidate_domains, dev->flush_domains);
-#endif
+ if (flush_domains & I915_GEM_GPU_DOMAINS)
+ dev_priv->mm.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,
if (offset == 0 && size == obj->size)
return i915_gem_object_set_to_cpu_domain(obj, 0);
- ret = i915_gem_object_flush_gpu_write_domain(obj);
- if (ret)
- return ret;
-
- /* Wait on any GPU rendering and flushing to occur. */
- ret = i915_gem_object_wait_rendering(obj);
+ ret = i915_gem_object_flush_gpu_write_domain(obj, false);
if (ret != 0)
return ret;
i915_gem_object_flush_gtt_write_domain(obj);
* Pin an object to the GTT and evaluate the relocations landing in it.
*/
static int
-i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
- struct drm_file *file_priv,
- struct drm_i915_gem_exec_object2 *entry,
- struct drm_i915_gem_relocation_entry *relocs)
+i915_gem_execbuffer_relocate(struct drm_i915_gem_object *obj,
+ struct drm_file *file_priv,
+ struct drm_i915_gem_exec_object2 *entry)
{
- struct drm_device *dev = obj->dev;
+ struct drm_device *dev = obj->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- int i, ret;
- void __iomem *reloc_page;
- bool need_fence;
-
- need_fence = entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
- obj_priv->tiling_mode != I915_TILING_NONE;
-
- /* Check fence reg constraints and rebind if necessary */
- if (need_fence &&
- !i915_gem_object_fence_offset_ok(obj,
- obj_priv->tiling_mode)) {
- ret = i915_gem_object_unbind(obj);
- if (ret)
- return ret;
- }
+ struct drm_i915_gem_relocation_entry __user *user_relocs;
+ struct drm_gem_object *target_obj = NULL;
+ uint32_t target_handle = 0;
+ int i, ret = 0;
- /* Choose the GTT offset for our buffer and put it there. */
- ret = i915_gem_object_pin(obj, (uint32_t) entry->alignment);
- if (ret)
- return ret;
+ user_relocs = (void __user *)(uintptr_t)entry->relocs_ptr;
+ for (i = 0; i < entry->relocation_count; i++) {
+ struct drm_i915_gem_relocation_entry reloc;
+ uint32_t target_offset;
- /*
- * Pre-965 chips need a fence register set up in order to
- * properly handle blits to/from tiled surfaces.
- */
- if (need_fence) {
- ret = i915_gem_object_get_fence_reg(obj);
- if (ret != 0) {
- i915_gem_object_unpin(obj);
- return ret;
+ if (__copy_from_user_inatomic(&reloc,
+ user_relocs+i,
+ sizeof(reloc))) {
+ ret = -EFAULT;
+ break;
}
- }
- entry->offset = obj_priv->gtt_offset;
+ if (reloc.target_handle != target_handle) {
+ drm_gem_object_unreference(target_obj);
- /* Apply the relocations, using the GTT aperture to avoid cache
- * flushing requirements.
- */
- for (i = 0; i < entry->relocation_count; i++) {
- struct drm_i915_gem_relocation_entry *reloc= &relocs[i];
- struct drm_gem_object *target_obj;
- struct drm_i915_gem_object *target_obj_priv;
- uint32_t reloc_val, reloc_offset;
- uint32_t __iomem *reloc_entry;
-
- target_obj = drm_gem_object_lookup(obj->dev, file_priv,
- reloc->target_handle);
- if (target_obj == NULL) {
- i915_gem_object_unpin(obj);
- return -ENOENT;
+ target_obj = drm_gem_object_lookup(dev, file_priv,
+ reloc.target_handle);
+ if (target_obj == NULL) {
+ ret = -ENOENT;
+ break;
+ }
+
+ target_handle = reloc.target_handle;
}
- target_obj_priv = to_intel_bo(target_obj);
+ target_offset = to_intel_bo(target_obj)->gtt_offset;
#if WATCH_RELOC
DRM_INFO("%s: obj %p offset %08x target %d "
"presumed %08x delta %08x\n",
__func__,
obj,
- (int) reloc->offset,
- (int) reloc->target_handle,
- (int) reloc->read_domains,
- (int) reloc->write_domain,
- (int) target_obj_priv->gtt_offset,
- (int) reloc->presumed_offset,
- reloc->delta);
+ (int) reloc.offset,
+ (int) reloc.target_handle,
+ (int) reloc.read_domains,
+ (int) reloc.write_domain,
+ (int) target_offset,
+ (int) reloc.presumed_offset,
+ reloc.delta);
#endif
/* The target buffer should have appeared before us in the
* exec_object list, so it should have a GTT space bound by now.
*/
- if (target_obj_priv->gtt_space == NULL) {
+ if (target_offset == 0) {
DRM_ERROR("No GTT space found for object %d\n",
- reloc->target_handle);
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return -EINVAL;
+ reloc.target_handle);
+ ret = -EINVAL;
+ break;
}
/* Validate that the target is in a valid r/w GPU domain */
- if (reloc->write_domain & (reloc->write_domain - 1)) {
+ if (reloc.write_domain & (reloc.write_domain - 1)) {
DRM_ERROR("reloc with multiple write domains: "
"obj %p target %d offset %d "
"read %08x write %08x",
- obj, reloc->target_handle,
- (int) reloc->offset,
- reloc->read_domains,
- reloc->write_domain);
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return -EINVAL;
+ obj, reloc.target_handle,
+ (int) reloc.offset,
+ reloc.read_domains,
+ reloc.write_domain);
+ ret = -EINVAL;
+ break;
}
- if (reloc->write_domain & I915_GEM_DOMAIN_CPU ||
- reloc->read_domains & I915_GEM_DOMAIN_CPU) {
+ if (reloc.write_domain & I915_GEM_DOMAIN_CPU ||
+ reloc.read_domains & I915_GEM_DOMAIN_CPU) {
DRM_ERROR("reloc with read/write CPU domains: "
"obj %p target %d offset %d "
"read %08x write %08x",
- obj, reloc->target_handle,
- (int) reloc->offset,
- reloc->read_domains,
- reloc->write_domain);
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return -EINVAL;
+ obj, reloc.target_handle,
+ (int) reloc.offset,
+ reloc.read_domains,
+ reloc.write_domain);
+ ret = -EINVAL;
+ break;
}
- if (reloc->write_domain && target_obj->pending_write_domain &&
- reloc->write_domain != target_obj->pending_write_domain) {
+ if (reloc.write_domain && target_obj->pending_write_domain &&
+ reloc.write_domain != target_obj->pending_write_domain) {
DRM_ERROR("Write domain conflict: "
"obj %p target %d offset %d "
"new %08x old %08x\n",
- obj, reloc->target_handle,
- (int) reloc->offset,
- reloc->write_domain,
+ obj, reloc.target_handle,
+ (int) reloc.offset,
+ reloc.write_domain,
target_obj->pending_write_domain);
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return -EINVAL;
+ ret = -EINVAL;
+ break;
}
- target_obj->pending_read_domains |= reloc->read_domains;
- target_obj->pending_write_domain |= reloc->write_domain;
+ target_obj->pending_read_domains |= reloc.read_domains;
+ target_obj->pending_write_domain |= reloc.write_domain;
/* If the relocation already has the right value in it, no
* more work needs to be done.
*/
- if (target_obj_priv->gtt_offset == reloc->presumed_offset) {
- drm_gem_object_unreference(target_obj);
+ if (target_offset == reloc.presumed_offset)
continue;
- }
/* Check that the relocation address is valid... */
- if (reloc->offset > obj->size - 4) {
+ if (reloc.offset > obj->base.size - 4) {
DRM_ERROR("Relocation beyond object bounds: "
"obj %p target %d offset %d size %d.\n",
- obj, reloc->target_handle,
- (int) reloc->offset, (int) obj->size);
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return -EINVAL;
+ obj, reloc.target_handle,
+ (int) reloc.offset, (int) obj->base.size);
+ ret = -EINVAL;
+ break;
}
- if (reloc->offset & 3) {
+ if (reloc.offset & 3) {
DRM_ERROR("Relocation not 4-byte aligned: "
"obj %p target %d offset %d.\n",
- obj, reloc->target_handle,
- (int) reloc->offset);
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return -EINVAL;
+ obj, reloc.target_handle,
+ (int) reloc.offset);
+ ret = -EINVAL;
+ break;
}
/* and points to somewhere within the target object. */
- if (reloc->delta >= target_obj->size) {
+ if (reloc.delta >= target_obj->size) {
DRM_ERROR("Relocation beyond target object bounds: "
"obj %p target %d delta %d size %d.\n",
- obj, reloc->target_handle,
- (int) reloc->delta, (int) target_obj->size);
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return -EINVAL;
+ obj, reloc.target_handle,
+ (int) reloc.delta, (int) target_obj->size);
+ ret = -EINVAL;
+ break;
}
- ret = i915_gem_object_set_to_gtt_domain(obj, 1);
- if (ret != 0) {
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return -EINVAL;
- }
+ reloc.delta += target_offset;
+ if (obj->base.write_domain == I915_GEM_DOMAIN_CPU) {
+ uint32_t page_offset = reloc.offset & ~PAGE_MASK;
+ char *vaddr;
- /* Map the page containing the relocation we're going to
- * perform.
- */
- reloc_offset = obj_priv->gtt_offset + reloc->offset;
- reloc_page = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
- (reloc_offset &
- ~(PAGE_SIZE - 1)));
- reloc_entry = (uint32_t __iomem *)(reloc_page +
- (reloc_offset & (PAGE_SIZE - 1)));
- reloc_val = target_obj_priv->gtt_offset + reloc->delta;
-
-#if WATCH_BUF
- DRM_INFO("Applied relocation: %p@0x%08x %08x -> %08x\n",
- obj, (unsigned int) reloc->offset,
- readl(reloc_entry), reloc_val);
-#endif
- writel(reloc_val, reloc_entry);
- io_mapping_unmap_atomic(reloc_page);
+ vaddr = kmap_atomic(obj->pages[reloc.offset >> PAGE_SHIFT]);
+ *(uint32_t *)(vaddr + page_offset) = reloc.delta;
+ kunmap_atomic(vaddr);
+ } else {
+ uint32_t __iomem *reloc_entry;
+ void __iomem *reloc_page;
- /* The updated presumed offset for this entry will be
- * copied back out to the user.
- */
- reloc->presumed_offset = target_obj_priv->gtt_offset;
+ ret = i915_gem_object_set_to_gtt_domain(&obj->base, 1);
+ if (ret)
+ break;
+
+ /* Map the page containing the relocation we're going to perform. */
+ reloc.offset += obj->gtt_offset;
+ reloc_page = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
+ reloc.offset & PAGE_MASK);
+ reloc_entry = (uint32_t __iomem *)
+ (reloc_page + (reloc.offset & ~PAGE_MASK));
+ iowrite32(reloc.delta, reloc_entry);
+ io_mapping_unmap_atomic(reloc_page);
+ }
- drm_gem_object_unreference(target_obj);
+ /* and update the user's relocation entry */
+ reloc.presumed_offset = target_offset;
+ if (__copy_to_user_inatomic(&user_relocs[i].presumed_offset,
+ &reloc.presumed_offset,
+ sizeof(reloc.presumed_offset))) {
+ ret = -EFAULT;
+ break;
+ }
}
-#if WATCH_BUF
- if (0)
- i915_gem_dump_object(obj, 128, __func__, ~0);
-#endif
- return 0;
+ drm_gem_object_unreference(target_obj);
+ return ret;
}
-/* Throttle our rendering by waiting until the ring has completed our requests
- * emitted over 20 msec ago.
- *
- * Note that if we were to use the current jiffies each time around the loop,
- * we wouldn't escape the function with any frames outstanding if the time to
- * render a frame was over 20ms.
- *
- * This should get us reasonable parallelism between CPU and GPU but also
- * relatively low latency when blocking on a particular request to finish.
- */
static int
-i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file_priv)
+i915_gem_execbuffer_pin(struct drm_device *dev,
+ struct drm_file *file,
+ struct drm_gem_object **object_list,
+ struct drm_i915_gem_exec_object2 *exec_list,
+ int count)
{
- struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
- int ret = 0;
- unsigned long recent_enough = jiffies - msecs_to_jiffies(20);
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret, i, retry;
- mutex_lock(&dev->struct_mutex);
- while (!list_empty(&i915_file_priv->mm.request_list)) {
- struct drm_i915_gem_request *request;
+ /* attempt to pin all of the buffers into the GTT */
+ for (retry = 0; retry < 2; retry++) {
+ 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]);
+ bool need_fence =
+ entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
+ obj->tiling_mode != I915_TILING_NONE;
+
+ /* Check fence reg constraints and rebind if necessary */
+ if (need_fence &&
+ !i915_gem_object_fence_offset_ok(&obj->base,
+ obj->tiling_mode)) {
+ ret = i915_gem_object_unbind(&obj->base);
+ if (ret)
+ break;
+ }
- request = list_first_entry(&i915_file_priv->mm.request_list,
- struct drm_i915_gem_request,
- client_list);
+ ret = i915_gem_object_pin(&obj->base, entry->alignment);
+ if (ret)
+ break;
- if (time_after_eq(request->emitted_jiffies, recent_enough))
- break;
+ /*
+ * Pre-965 chips need a fence register set up in order
+ * to properly handle blits to/from tiled surfaces.
+ */
+ if (need_fence) {
+ ret = i915_gem_object_get_fence_reg(&obj->base, true);
+ if (ret) {
+ i915_gem_object_unpin(&obj->base);
+ break;
+ }
+
+ dev_priv->fence_regs[obj->fence_reg].gpu = true;
+ }
+
+ entry->offset = obj->gtt_offset;
+ }
- ret = i915_wait_request(dev, request->seqno, request->ring);
- if (ret != 0)
+ while (i--)
+ i915_gem_object_unpin(object_list[i]);
+
+ if (ret == 0)
break;
+
+ if (ret != -ENOSPC || retry)
+ return ret;
+
+ ret = i915_gem_evict_everything(dev);
+ if (ret)
+ return ret;
}
- mutex_unlock(&dev->struct_mutex);
- return ret;
+ return 0;
}
static int
-i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object2 *exec_list,
- uint32_t buffer_count,
- struct drm_i915_gem_relocation_entry **relocs)
+i915_gem_execbuffer_move_to_gpu(struct drm_device *dev,
+ struct drm_file *file,
+ struct intel_ring_buffer *ring,
+ struct drm_gem_object **objects,
+ int count)
{
- uint32_t reloc_count = 0, reloc_index = 0, i;
- int ret;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret, i;
- *relocs = NULL;
- for (i = 0; i < buffer_count; i++) {
- if (reloc_count + exec_list[i].relocation_count < reloc_count)
- return -EINVAL;
- reloc_count += exec_list[i].relocation_count;
- }
+ /* 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;
+ for (i = 0; i < count; i++)
+ i915_gem_object_set_to_gpu_domain(objects[i], ring);
- *relocs = drm_calloc_large(reloc_count, sizeof(**relocs));
- if (*relocs == NULL) {
- DRM_ERROR("failed to alloc relocs, count %d\n", reloc_count);
- return -ENOMEM;
+ if (dev->invalidate_domains | dev->flush_domains) {
+#if WATCH_EXEC
+ DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
+ __func__,
+ dev->invalidate_domains,
+ dev->flush_domains);
+#endif
+ i915_gem_flush(dev, file,
+ dev->invalidate_domains,
+ dev->flush_domains,
+ dev_priv->mm.flush_rings);
}
- for (i = 0; i < buffer_count; i++) {
- struct drm_i915_gem_relocation_entry __user *user_relocs;
-
- user_relocs = (void __user *)(uintptr_t)exec_list[i].relocs_ptr;
-
- ret = copy_from_user(&(*relocs)[reloc_index],
- user_relocs,
- exec_list[i].relocation_count *
- sizeof(**relocs));
- if (ret != 0) {
- drm_free_large(*relocs);
- *relocs = NULL;
- return -EFAULT;
+ for (i = 0; i < count; i++) {
+ struct drm_i915_gem_object *obj = to_intel_bo(objects[i]);
+ /* XXX replace with semaphores */
+ if (obj->ring && ring != obj->ring) {
+ ret = i915_gem_object_wait_rendering(&obj->base, true);
+ if (ret)
+ return ret;
}
-
- reloc_index += exec_list[i].relocation_count;
}
return 0;
}
+/* Throttle our rendering by waiting until the ring has completed our requests
+ * emitted over 20 msec ago.
+ *
+ * Note that if we were to use the current jiffies each time around the loop,
+ * we wouldn't escape the function with any frames outstanding if the time to
+ * render a frame was over 20ms.
+ *
+ * This should get us reasonable parallelism between CPU and GPU but also
+ * relatively low latency when blocking on a particular request to finish.
+ */
static int
-i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object2 *exec_list,
- uint32_t buffer_count,
- struct drm_i915_gem_relocation_entry *relocs)
+i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file)
{
- uint32_t reloc_count = 0, i;
- int ret = 0;
-
- if (relocs == NULL)
- return 0;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_file_private *file_priv = file->driver_priv;
+ unsigned long recent_enough = jiffies - msecs_to_jiffies(20);
+ struct drm_i915_gem_request *request;
+ struct intel_ring_buffer *ring = NULL;
+ u32 seqno = 0;
+ int ret;
- for (i = 0; i < buffer_count; i++) {
- struct drm_i915_gem_relocation_entry __user *user_relocs;
- int unwritten;
+ spin_lock(&file_priv->mm.lock);
+ list_for_each_entry(request, &file_priv->mm.request_list, client_list) {
+ if (time_after_eq(request->emitted_jiffies, recent_enough))
+ break;
- user_relocs = (void __user *)(uintptr_t)exec_list[i].relocs_ptr;
+ ring = request->ring;
+ seqno = request->seqno;
+ }
+ spin_unlock(&file_priv->mm.lock);
- unwritten = copy_to_user(user_relocs,
- &relocs[reloc_count],
- exec_list[i].relocation_count *
- sizeof(*relocs));
+ if (seqno == 0)
+ return 0;
- if (unwritten) {
- ret = -EFAULT;
- goto err;
- }
+ ret = 0;
+ if (!i915_seqno_passed(ring->get_seqno(dev, 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);
+ ret = wait_event_interruptible(ring->irq_queue,
+ i915_seqno_passed(ring->get_seqno(dev, ring), seqno)
+ || atomic_read(&dev_priv->mm.wedged));
+ ring->user_irq_put(dev, ring);
- reloc_count += exec_list[i].relocation_count;
+ if (ret == 0 && atomic_read(&dev_priv->mm.wedged))
+ ret = -EIO;
}
-err:
- drm_free_large(relocs);
+ if (ret == 0)
+ queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, 0);
return ret;
}
static int
-i915_gem_check_execbuffer (struct drm_i915_gem_execbuffer2 *exec,
- uint64_t exec_offset)
+i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec,
+ uint64_t exec_offset)
{
uint32_t exec_start, exec_len;
}
static int
-i915_gem_wait_for_pending_flip(struct drm_device *dev,
- struct drm_gem_object **object_list,
- int count)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *obj_priv;
- DEFINE_WAIT(wait);
- int i, ret = 0;
+validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
+ int count)
+{
+ int i;
- for (;;) {
- prepare_to_wait(&dev_priv->pending_flip_queue,
- &wait, TASK_INTERRUPTIBLE);
- for (i = 0; i < count; i++) {
- obj_priv = to_intel_bo(object_list[i]);
- if (atomic_read(&obj_priv->pending_flip) > 0)
- break;
- }
- if (i == count)
- break;
+ for (i = 0; i < count; i++) {
+ char __user *ptr = (char __user *)(uintptr_t)exec[i].relocs_ptr;
+ size_t length = exec[i].relocation_count * sizeof(struct drm_i915_gem_relocation_entry);
- if (!signal_pending(current)) {
- mutex_unlock(&dev->struct_mutex);
- schedule();
- mutex_lock(&dev->struct_mutex);
- continue;
- }
- ret = -ERESTARTSYS;
- break;
+ if (!access_ok(VERIFY_READ, ptr, length))
+ return -EFAULT;
+
+ /* we may also need to update the presumed offsets */
+ if (!access_ok(VERIFY_WRITE, ptr, length))
+ return -EFAULT;
+
+ if (fault_in_pages_readable(ptr, length))
+ return -EFAULT;
}
- finish_wait(&dev_priv->pending_flip_queue, &wait);
- return ret;
+ return 0;
}
-
-int
+static int
i915_gem_do_execbuffer(struct drm_device *dev, void *data,
- struct drm_file *file_priv,
+ struct drm_file *file,
struct drm_i915_gem_execbuffer2 *args,
struct drm_i915_gem_exec_object2 *exec_list)
{
struct drm_gem_object *batch_obj;
struct drm_i915_gem_object *obj_priv;
struct drm_clip_rect *cliprects = NULL;
- struct drm_i915_gem_relocation_entry *relocs = NULL;
- int ret = 0, ret2, i, pinned = 0;
+ struct drm_i915_gem_request *request = NULL;
+ int ret, i, flips;
uint64_t exec_offset;
- uint32_t seqno, flush_domains, reloc_index;
- int pin_tries, flips;
struct intel_ring_buffer *ring = NULL;
+ ret = i915_gem_check_is_wedged(dev);
+ if (ret)
+ return ret;
+
+ ret = validate_exec_list(exec_list, args->buffer_count);
+ if (ret)
+ return ret;
+
#if WATCH_EXEC
DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
(int) args->buffers_ptr, args->buffer_count, args->batch_len);
#endif
- if (args->flags & I915_EXEC_BSD) {
+ switch (args->flags & I915_EXEC_RING_MASK) {
+ case I915_EXEC_DEFAULT:
+ case I915_EXEC_RENDER:
+ ring = &dev_priv->render_ring;
+ break;
+ case I915_EXEC_BSD:
if (!HAS_BSD(dev)) {
- DRM_ERROR("execbuf with wrong flag\n");
+ DRM_ERROR("execbuf with invalid ring (BSD)\n");
return -EINVAL;
}
ring = &dev_priv->bsd_ring;
- } else {
- ring = &dev_priv->render_ring;
+ break;
+ case I915_EXEC_BLT:
+ if (!HAS_BLT(dev)) {
+ DRM_ERROR("execbuf with invalid ring (BLT)\n");
+ return -EINVAL;
+ }
+ ring = &dev_priv->blt_ring;
+ break;
+ default:
+ DRM_ERROR("execbuf with unknown ring: %d\n",
+ (int)(args->flags & I915_EXEC_RING_MASK));
+ return -EINVAL;
}
if (args->buffer_count < 1) {
}
}
- ret = i915_gem_get_relocs_from_user(exec_list, args->buffer_count,
- &relocs);
- if (ret != 0)
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL) {
+ ret = -ENOMEM;
goto pre_mutex_err;
+ }
- mutex_lock(&dev->struct_mutex);
-
- i915_verify_inactive(dev, __FILE__, __LINE__);
-
- if (atomic_read(&dev_priv->mm.wedged)) {
- mutex_unlock(&dev->struct_mutex);
- ret = -EIO;
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
goto pre_mutex_err;
- }
if (dev_priv->mm.suspended) {
mutex_unlock(&dev->struct_mutex);
}
/* Look up object handles */
- flips = 0;
for (i = 0; i < args->buffer_count; i++) {
- object_list[i] = drm_gem_object_lookup(dev, file_priv,
+ object_list[i] = drm_gem_object_lookup(dev, file,
exec_list[i].handle);
if (object_list[i] == NULL) {
DRM_ERROR("Invalid object handle %d at index %d\n",
goto err;
}
obj_priv->in_execbuffer = true;
- flips += atomic_read(&obj_priv->pending_flip);
- }
-
- if (flips > 0) {
- ret = i915_gem_wait_for_pending_flip(dev, object_list,
- args->buffer_count);
- if (ret)
- goto err;
}
- /* Pin and relocate */
- for (pin_tries = 0; ; pin_tries++) {
- ret = 0;
- reloc_index = 0;
-
- for (i = 0; i < args->buffer_count; i++) {
- object_list[i]->pending_read_domains = 0;
- object_list[i]->pending_write_domain = 0;
- ret = i915_gem_object_pin_and_relocate(object_list[i],
- file_priv,
- &exec_list[i],
- &relocs[reloc_index]);
- if (ret)
- break;
- pinned = i + 1;
- reloc_index += exec_list[i].relocation_count;
- }
- /* success */
- if (ret == 0)
- break;
-
- /* error other than GTT full, or we've already tried again */
- if (ret != -ENOSPC || pin_tries >= 1) {
- if (ret != -ERESTARTSYS) {
- unsigned long long total_size = 0;
- int num_fences = 0;
- for (i = 0; i < args->buffer_count; i++) {
- obj_priv = to_intel_bo(object_list[i]);
-
- total_size += object_list[i]->size;
- num_fences +=
- exec_list[i].flags & EXEC_OBJECT_NEEDS_FENCE &&
- obj_priv->tiling_mode != I915_TILING_NONE;
- }
- DRM_ERROR("Failed to pin buffer %d of %d, total %llu bytes, %d fences: %d\n",
- pinned+1, args->buffer_count,
- total_size, num_fences,
- ret);
- DRM_ERROR("%d objects [%d pinned], "
- "%d object bytes [%d pinned], "
- "%d/%d gtt bytes\n",
- atomic_read(&dev->object_count),
- atomic_read(&dev->pin_count),
- atomic_read(&dev->object_memory),
- atomic_read(&dev->pin_memory),
- atomic_read(&dev->gtt_memory),
- dev->gtt_total);
- }
- goto err;
- }
-
- /* unpin all of our buffers */
- for (i = 0; i < pinned; i++)
- i915_gem_object_unpin(object_list[i]);
- pinned = 0;
+ /* Move the objects en-masse into the GTT, evicting if necessary. */
+ ret = i915_gem_execbuffer_pin(dev, file,
+ object_list, exec_list,
+ args->buffer_count);
+ if (ret)
+ goto err;
- /* evict everyone we can from the aperture */
- ret = i915_gem_evict_everything(dev);
- if (ret && ret != -ENOSPC)
+ /* The objects are in their final locations, apply the relocations. */
+ for (i = 0; i < args->buffer_count; i++) {
+ struct drm_i915_gem_object *obj = to_intel_bo(object_list[i]);
+ obj->base.pending_read_domains = 0;
+ obj->base.pending_write_domain = 0;
+ ret = i915_gem_execbuffer_relocate(obj, file, &exec_list[i]);
+ if (ret)
goto err;
}
}
batch_obj->pending_read_domains |= I915_GEM_DOMAIN_COMMAND;
- /* Sanity check the batch buffer, prior to moving objects */
- exec_offset = exec_list[args->buffer_count - 1].offset;
- ret = i915_gem_check_execbuffer (args, exec_offset);
+ /* Sanity check the batch buffer */
+ exec_offset = to_intel_bo(batch_obj)->gtt_offset;
+ ret = i915_gem_check_execbuffer(args, exec_offset);
if (ret != 0) {
DRM_ERROR("execbuf with invalid offset/length\n");
goto err;
}
- i915_verify_inactive(dev, __FILE__, __LINE__);
-
- /* 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->flush_rings = 0;
-
- for (i = 0; i < args->buffer_count; i++) {
- struct drm_gem_object *obj = object_list[i];
-
- /* Compute new gpu domains and update invalidate/flush */
- i915_gem_object_set_to_gpu_domain(obj);
- }
-
- i915_verify_inactive(dev, __FILE__, __LINE__);
-
- if (dev->invalidate_domains | dev->flush_domains) {
-#if WATCH_EXEC
- DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
- __func__,
- dev->invalidate_domains,
- dev->flush_domains);
-#endif
- i915_gem_flush(dev,
- dev->invalidate_domains,
- dev->flush_domains);
- if (dev_priv->flush_rings & FLUSH_RENDER_RING)
- (void)i915_add_request(dev, file_priv,
- dev->flush_domains,
- &dev_priv->render_ring);
- if (dev_priv->flush_rings & FLUSH_BSD_RING)
- (void)i915_add_request(dev, file_priv,
- dev->flush_domains,
- &dev_priv->bsd_ring);
- }
+ ret = i915_gem_execbuffer_move_to_gpu(dev, file, ring,
+ object_list, args->buffer_count);
+ if (ret)
+ goto err;
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
- struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
uint32_t old_write_domain = obj->write_domain;
-
obj->write_domain = obj->pending_write_domain;
- if (obj->write_domain)
- list_move_tail(&obj_priv->gpu_write_list,
- &dev_priv->mm.gpu_write_list);
- else
- list_del_init(&obj_priv->gpu_write_list);
-
trace_i915_gem_object_change_domain(obj,
obj->read_domains,
old_write_domain);
}
- i915_verify_inactive(dev, __FILE__, __LINE__);
-
#if WATCH_COHERENCY
for (i = 0; i < args->buffer_count; i++) {
i915_gem_object_check_coherency(object_list[i],
~0);
#endif
+ /* Check for any pending flips. As we only maintain a flip queue depth
+ * of 1, we can simply insert a WAIT for the next display flip prior
+ * to executing the batch and avoid stalling the CPU.
+ */
+ flips = 0;
+ for (i = 0; i < args->buffer_count; i++) {
+ if (object_list[i]->write_domain)
+ flips |= atomic_read(&to_intel_bo(object_list[i])->pending_flip);
+ }
+ if (flips) {
+ int plane, flip_mask;
+
+ for (plane = 0; flips >> plane; plane++) {
+ if (((flips >> plane) & 1) == 0)
+ continue;
+
+ if (plane)
+ flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
+ 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);
+ }
+ }
+
/* Exec the batchbuffer */
ret = ring->dispatch_gem_execbuffer(dev, ring, args,
- cliprects, exec_offset);
+ 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
*/
- flush_domains = i915_retire_commands(dev, ring);
-
- i915_verify_inactive(dev, __FILE__, __LINE__);
+ i915_retire_commands(dev, ring);
- /*
- * Get a seqno representing the execution of the current buffer,
- * which we can wait on. We would like to mitigate these interrupts,
- * likely by only creating seqnos occasionally (so that we have
- * *some* interrupts representing completion of buffers that we can
- * wait on when trying to clear up gtt space).
- */
- seqno = i915_add_request(dev, file_priv, flush_domains, ring);
- BUG_ON(seqno == 0);
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
- obj_priv = to_intel_bo(obj);
- i915_gem_object_move_to_active(obj, seqno, ring);
-#if WATCH_LRU
- DRM_INFO("%s: move to exec list %p\n", __func__, obj);
-#endif
+ i915_gem_object_move_to_active(obj, ring);
+ if (obj->write_domain)
+ list_move_tail(&to_intel_bo(obj)->gpu_write_list,
+ &ring->gpu_write_list);
}
-#if WATCH_LRU
- i915_dump_lru(dev, __func__);
-#endif
- i915_verify_inactive(dev, __FILE__, __LINE__);
+ i915_add_request(dev, file, request, ring);
+ request = NULL;
err:
- for (i = 0; i < pinned; i++)
- i915_gem_object_unpin(object_list[i]);
-
for (i = 0; i < args->buffer_count; i++) {
if (object_list[i]) {
obj_priv = to_intel_bo(object_list[i]);
mutex_unlock(&dev->struct_mutex);
pre_mutex_err:
- /* Copy the updated relocations out regardless of current error
- * state. Failure to update the relocs would mean that the next
- * time userland calls execbuf, it would do so with presumed offset
- * state that didn't match the actual object state.
- */
- ret2 = i915_gem_put_relocs_to_user(exec_list, args->buffer_count,
- relocs);
- if (ret2 != 0) {
- DRM_ERROR("Failed to copy relocations back out: %d\n", ret2);
-
- if (ret == 0)
- ret = ret2;
- }
-
drm_free_large(object_list);
kfree(cliprects);
+ kfree(request);
return ret;
}
exec2_list[i].relocs_ptr = exec_list[i].relocs_ptr;
exec2_list[i].alignment = exec_list[i].alignment;
exec2_list[i].offset = exec_list[i].offset;
- if (!IS_I965G(dev))
+ if (INTEL_INFO(dev)->gen < 4)
exec2_list[i].flags = EXEC_OBJECT_NEEDS_FENCE;
else
exec2_list[i].flags = 0;
i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
{
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);
int ret;
BUG_ON(obj_priv->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT);
-
- i915_verify_inactive(dev, __FILE__, __LINE__);
+ WARN_ON(i915_verify_lists(dev));
if (obj_priv->gtt_space != NULL) {
if (alignment == 0)
* remove it from the inactive list
*/
if (obj_priv->pin_count == 1) {
- atomic_inc(&dev->pin_count);
- atomic_add(obj->size, &dev->pin_memory);
- if (!obj_priv->active &&
- (obj->write_domain & I915_GEM_GPU_DOMAINS) == 0)
- list_del_init(&obj_priv->list);
+ i915_gem_info_add_pin(dev_priv, obj->size);
+ if (!obj_priv->active)
+ list_move_tail(&obj_priv->mm_list,
+ &dev_priv->mm.pinned_list);
}
- i915_verify_inactive(dev, __FILE__, __LINE__);
+ WARN_ON(i915_verify_lists(dev));
return 0;
}
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- i915_verify_inactive(dev, __FILE__, __LINE__);
+ WARN_ON(i915_verify_lists(dev));
obj_priv->pin_count--;
BUG_ON(obj_priv->pin_count < 0);
BUG_ON(obj_priv->gtt_space == NULL);
* the inactive list
*/
if (obj_priv->pin_count == 0) {
- if (!obj_priv->active &&
- (obj->write_domain & I915_GEM_GPU_DOMAINS) == 0)
- list_move_tail(&obj_priv->list,
+ if (!obj_priv->active)
+ list_move_tail(&obj_priv->mm_list,
&dev_priv->mm.inactive_list);
- atomic_dec(&dev->pin_count);
- atomic_sub(obj->size, &dev->pin_memory);
+ i915_gem_info_remove_pin(dev_priv, obj->size);
}
- i915_verify_inactive(dev, __FILE__, __LINE__);
+ WARN_ON(i915_verify_lists(dev));
}
int
struct drm_i915_gem_object *obj_priv;
int ret;
- mutex_lock(&dev->struct_mutex);
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
if (obj == NULL) {
- DRM_ERROR("Bad handle in i915_gem_pin_ioctl(): %d\n",
- args->handle);
- mutex_unlock(&dev->struct_mutex);
- return -ENOENT;
+ ret = -ENOENT;
+ goto unlock;
}
obj_priv = to_intel_bo(obj);
if (obj_priv->madv != I915_MADV_WILLNEED) {
DRM_ERROR("Attempting to pin a purgeable buffer\n");
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
if (obj_priv->pin_filp != NULL && obj_priv->pin_filp != file_priv) {
DRM_ERROR("Already pinned in i915_gem_pin_ioctl(): %d\n",
args->handle);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
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);
- if (ret != 0) {
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
+ if (ret)
+ goto out;
}
/* XXX - flush the CPU caches for pinned objects
*/
i915_gem_object_flush_cpu_write_domain(obj);
args->offset = obj_priv->gtt_offset;
+out:
drm_gem_object_unreference(obj);
+unlock:
mutex_unlock(&dev->struct_mutex);
-
- return 0;
+ return ret;
}
int
struct drm_i915_gem_pin *args = data;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
+ int ret;
- mutex_lock(&dev->struct_mutex);
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
if (obj == NULL) {
- DRM_ERROR("Bad handle in i915_gem_unpin_ioctl(): %d\n",
- args->handle);
- mutex_unlock(&dev->struct_mutex);
- return -ENOENT;
+ ret = -ENOENT;
+ goto unlock;
}
-
obj_priv = to_intel_bo(obj);
+
if (obj_priv->pin_filp != file_priv) {
DRM_ERROR("Not pinned by caller in i915_gem_pin_ioctl(): %d\n",
args->handle);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
obj_priv->user_pin_count--;
if (obj_priv->user_pin_count == 0) {
i915_gem_object_unpin(obj);
}
+out:
drm_gem_object_unreference(obj);
+unlock:
mutex_unlock(&dev->struct_mutex);
- return 0;
+ return ret;
}
int
struct drm_i915_gem_busy *args = data;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
+ int ret;
+
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
if (obj == NULL) {
- DRM_ERROR("Bad handle in i915_gem_busy_ioctl(): %d\n",
- args->handle);
- return -ENOENT;
+ ret = -ENOENT;
+ goto unlock;
}
-
- mutex_lock(&dev->struct_mutex);
+ obj_priv = to_intel_bo(obj);
/* Count all active objects as busy, even if they are currently not used
* by the gpu. Users of this interface expect objects to eventually
* become non-busy without any further actions, therefore emit any
* necessary flushes here.
*/
- obj_priv = to_intel_bo(obj);
args->busy = obj_priv->active;
if (args->busy) {
/* Unconditionally flush objects, even when the gpu still uses this
* use this buffer rather sooner than later, so issuing the required
* flush earlier is beneficial.
*/
- if (obj->write_domain) {
- i915_gem_flush(dev, 0, obj->write_domain);
- (void)i915_add_request(dev, file_priv, obj->write_domain, obj_priv->ring);
- }
+ if (obj->write_domain & I915_GEM_GPU_DOMAINS)
+ i915_gem_flush_ring(dev, file_priv,
+ obj_priv->ring,
+ 0, obj->write_domain);
/* Update the active list for the hardware's current position.
* Otherwise this only updates on a delayed timer or when irqs
}
drm_gem_object_unreference(obj);
+unlock:
mutex_unlock(&dev->struct_mutex);
- return 0;
+ return ret;
}
int
struct drm_i915_gem_madvise *args = data;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
+ int ret;
switch (args->madv) {
case I915_MADV_DONTNEED:
return -EINVAL;
}
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
if (obj == NULL) {
- DRM_ERROR("Bad handle in i915_gem_madvise_ioctl(): %d\n",
- args->handle);
- return -ENOENT;
+ ret = -ENOENT;
+ goto unlock;
}
-
- mutex_lock(&dev->struct_mutex);
obj_priv = to_intel_bo(obj);
if (obj_priv->pin_count) {
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
-
- DRM_ERROR("Attempted i915_gem_madvise_ioctl() on a pinned object\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
if (obj_priv->madv != __I915_MADV_PURGED)
args->retained = obj_priv->madv != __I915_MADV_PURGED;
+out:
drm_gem_object_unreference(obj);
+unlock:
mutex_unlock(&dev->struct_mutex);
-
- return 0;
+ return ret;
}
struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
size_t size)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
obj = kzalloc(sizeof(*obj), GFP_KERNEL);
return NULL;
}
+ i915_gem_info_add_obj(dev_priv, size);
+
obj->base.write_domain = I915_GEM_DOMAIN_CPU;
obj->base.read_domains = I915_GEM_DOMAIN_CPU;
obj->agp_type = AGP_USER_MEMORY;
obj->base.driver_private = NULL;
obj->fence_reg = I915_FENCE_REG_NONE;
- INIT_LIST_HEAD(&obj->list);
+ INIT_LIST_HEAD(&obj->mm_list);
+ INIT_LIST_HEAD(&obj->ring_list);
INIT_LIST_HEAD(&obj->gpu_write_list);
obj->madv = I915_MADV_WILLNEED;
- trace_i915_gem_object_create(&obj->base);
-
return &obj->base;
}
ret = i915_gem_object_unbind(obj);
if (ret == -ERESTARTSYS) {
- list_move(&obj_priv->list,
+ list_move(&obj_priv->mm_list,
&dev_priv->mm.deferred_free_list);
return;
}
i915_gem_free_mmap_offset(obj);
drm_gem_object_release(obj);
+ i915_gem_info_remove_obj(dev_priv, obj->size);
kfree(obj_priv->page_cpu_valid);
kfree(obj_priv->bit_17);
mutex_lock(&dev->struct_mutex);
- if (dev_priv->mm.suspended ||
- (dev_priv->render_ring.gem_object == NULL) ||
- (HAS_BSD(dev) &&
- dev_priv->bsd_ring.gem_object == NULL)) {
+ if (dev_priv->mm.suspended) {
mutex_unlock(&dev->struct_mutex);
return 0;
}
* And not confound mm.suspended!
*/
dev_priv->mm.suspended = 1;
- del_timer(&dev_priv->hangcheck_timer);
+ del_timer_sync(&dev_priv->hangcheck_timer);
i915_kernel_lost_context(dev);
i915_gem_cleanup_ringbuffer(dev);
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
- dev_priv->render_ring = render_ring;
-
- 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);
- }
-
if (HAS_PIPE_CONTROL(dev)) {
ret = i915_gem_init_pipe_control(dev);
if (ret)
return ret;
}
- ret = intel_init_ring_buffer(dev, &dev_priv->render_ring);
+ ret = intel_init_render_ring_buffer(dev);
if (ret)
goto cleanup_pipe_control;
if (HAS_BSD(dev)) {
- dev_priv->bsd_ring = bsd_ring;
- ret = intel_init_ring_buffer(dev, &dev_priv->bsd_ring);
+ ret = intel_init_bsd_ring_buffer(dev);
if (ret)
goto cleanup_render_ring;
}
+ if (HAS_BLT(dev)) {
+ ret = intel_init_blt_ring_buffer(dev);
+ if (ret)
+ goto cleanup_bsd_ring;
+ }
+
dev_priv->next_seqno = 1;
return 0;
+cleanup_bsd_ring:
+ intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring);
cleanup_render_ring:
intel_cleanup_ring_buffer(dev, &dev_priv->render_ring);
cleanup_pipe_control:
drm_i915_private_t *dev_priv = dev->dev_private;
intel_cleanup_ring_buffer(dev, &dev_priv->render_ring);
- if (HAS_BSD(dev))
- intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring);
+ intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring);
+ intel_cleanup_ring_buffer(dev, &dev_priv->blt_ring);
if (HAS_PIPE_CONTROL(dev))
i915_gem_cleanup_pipe_control(dev);
}
return ret;
}
- spin_lock(&dev_priv->mm.active_list_lock);
+ BUG_ON(!list_empty(&dev_priv->mm.active_list));
BUG_ON(!list_empty(&dev_priv->render_ring.active_list));
- BUG_ON(HAS_BSD(dev) && !list_empty(&dev_priv->bsd_ring.active_list));
- spin_unlock(&dev_priv->mm.active_list_lock);
-
+ 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(HAS_BSD(dev) && !list_empty(&dev_priv->bsd_ring.request_list));
+ BUG_ON(!list_empty(&dev_priv->bsd_ring.request_list));
+ BUG_ON(!list_empty(&dev_priv->blt_ring.request_list));
mutex_unlock(&dev->struct_mutex);
ret = drm_irq_install(dev);
DRM_ERROR("failed to idle hardware: %d\n", ret);
}
+static void
+init_ring_lists(struct intel_ring_buffer *ring)
+{
+ INIT_LIST_HEAD(&ring->active_list);
+ INIT_LIST_HEAD(&ring->request_list);
+ INIT_LIST_HEAD(&ring->gpu_write_list);
+}
+
void
i915_gem_load(struct drm_device *dev)
{
int i;
drm_i915_private_t *dev_priv = dev->dev_private;
- spin_lock_init(&dev_priv->mm.active_list_lock);
+ INIT_LIST_HEAD(&dev_priv->mm.active_list);
INIT_LIST_HEAD(&dev_priv->mm.flushing_list);
- INIT_LIST_HEAD(&dev_priv->mm.gpu_write_list);
INIT_LIST_HEAD(&dev_priv->mm.inactive_list);
+ INIT_LIST_HEAD(&dev_priv->mm.pinned_list);
INIT_LIST_HEAD(&dev_priv->mm.fence_list);
INIT_LIST_HEAD(&dev_priv->mm.deferred_free_list);
- INIT_LIST_HEAD(&dev_priv->render_ring.active_list);
- INIT_LIST_HEAD(&dev_priv->render_ring.request_list);
- if (HAS_BSD(dev)) {
- INIT_LIST_HEAD(&dev_priv->bsd_ring.active_list);
- INIT_LIST_HEAD(&dev_priv->bsd_ring.request_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 < 16; i++)
INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
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);
if (!drm_core_check_feature(dev, DRIVER_MODESET))
dev_priv->fence_reg_start = 3;
- if (IS_I965G(dev) || IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ if (INTEL_INFO(dev)->gen >= 4 || IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
dev_priv->num_fence_regs = 16;
else
dev_priv->num_fence_regs = 8;
/* Initialize fence registers to zero */
- if (IS_I965G(dev)) {
+ switch (INTEL_INFO(dev)->gen) {
+ case 6:
+ for (i = 0; i < 16; i++)
+ I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), 0);
+ break;
+ case 5:
+ case 4:
for (i = 0; i < 16; i++)
I915_WRITE64(FENCE_REG_965_0 + (i * 8), 0);
- } else {
- for (i = 0; i < 8; i++)
- I915_WRITE(FENCE_REG_830_0 + (i * 4), 0);
+ break;
+ case 3:
if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
for (i = 0; i < 8; i++)
I915_WRITE(FENCE_REG_945_8 + (i * 4), 0);
+ case 2:
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_830_0 + (i * 4), 0);
+ break;
}
i915_gem_detect_bit_6_swizzle(dev);
init_waitqueue_head(&dev_priv->pending_flip_queue);
* Create a physically contiguous memory object for this object
* e.g. for cursor + overlay regs
*/
-int i915_gem_init_phys_object(struct drm_device *dev,
- int id, int size, int align)
+static int i915_gem_init_phys_object(struct drm_device *dev,
+ int id, int size, int align)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_phys_object *phys_obj;
return ret;
}
-void i915_gem_free_phys_object(struct drm_device *dev, int id)
+static void i915_gem_free_phys_object(struct drm_device *dev, int id)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_phys_object *phys_obj;
struct drm_file *file_priv)
{
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
- void *obj_addr;
- int ret;
- char __user *user_data;
+ void *vaddr = obj_priv->phys_obj->handle->vaddr + args->offset;
+ char __user *user_data = (char __user *) (uintptr_t) args->data_ptr;
- user_data = (char __user *) (uintptr_t) args->data_ptr;
- obj_addr = obj_priv->phys_obj->handle->vaddr + args->offset;
+ DRM_DEBUG_DRIVER("vaddr %p, %lld\n", vaddr, args->size);
- DRM_DEBUG_DRIVER("obj_addr %p, %lld\n", obj_addr, args->size);
- ret = copy_from_user(obj_addr, user_data, args->size);
- if (ret)
- return -EFAULT;
+ if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) {
+ unsigned long unwritten;
+
+ /* The physical object once assigned is fixed for the lifetime
+ * of the obj, so we can safely drop the lock and continue
+ * to access vaddr.
+ */
+ mutex_unlock(&dev->struct_mutex);
+ unwritten = copy_from_user(vaddr, user_data, args->size);
+ mutex_lock(&dev->struct_mutex);
+ if (unwritten)
+ return -EFAULT;
+ }
drm_agp_chipset_flush(dev);
return 0;
}
-void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv)
+void i915_gem_release(struct drm_device *dev, struct drm_file *file)
{
- struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+ struct drm_i915_file_private *file_priv = file->driver_priv;
/* Clean up our request list when the client is going away, so that
* later retire_requests won't dereference our soon-to-be-gone
* file_priv.
*/
- mutex_lock(&dev->struct_mutex);
- while (!list_empty(&i915_file_priv->mm.request_list))
- list_del_init(i915_file_priv->mm.request_list.next);
- mutex_unlock(&dev->struct_mutex);
+ spin_lock(&file_priv->mm.lock);
+ while (!list_empty(&file_priv->mm.request_list)) {
+ struct drm_i915_gem_request *request;
+
+ request = list_first_entry(&file_priv->mm.request_list,
+ struct drm_i915_gem_request,
+ client_list);
+ list_del(&request->client_list);
+ request->file_priv = NULL;
+ }
+ spin_unlock(&file_priv->mm.lock);
}
static int
drm_i915_private_t *dev_priv = dev->dev_private;
int lists_empty;
- spin_lock(&dev_priv->mm.active_list_lock);
lists_empty = list_empty(&dev_priv->mm.flushing_list) &&
- list_empty(&dev_priv->render_ring.active_list);
- if (HAS_BSD(dev))
- lists_empty &= list_empty(&dev_priv->bsd_ring.active_list);
- spin_unlock(&dev_priv->mm.active_list_lock);
+ list_empty(&dev_priv->mm.active_list);
return !lists_empty;
}
if (mutex_trylock(&dev->struct_mutex)) {
list_for_each_entry(obj_priv,
&dev_priv->mm.inactive_list,
- list)
+ mm_list)
cnt++;
mutex_unlock(&dev->struct_mutex);
}
list_for_each_entry_safe(obj_priv, next_obj,
&dev_priv->mm.inactive_list,
- list) {
+ mm_list) {
if (i915_gem_object_is_purgeable(obj_priv)) {
i915_gem_object_unbind(&obj_priv->base);
if (--nr_to_scan <= 0)
list_for_each_entry_safe(obj_priv, next_obj,
&dev_priv->mm.inactive_list,
- list) {
+ mm_list) {
if (nr_to_scan > 0) {
i915_gem_object_unbind(&obj_priv->base);
nr_to_scan--;
git.openpandora.org / pandora-kernel.git / blobdiff