return -ENOMEM;
ret = drm_gem_handle_create(file_priv, obj, &handle);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_handle_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_handle_unreference_unlocked(obj);
if (ret)
return ret;
mutex_lock(&dev->struct_mutex);
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret != 0)
goto fail_unlock;
return ret;
}
-static inline gfp_t
-i915_gem_object_get_page_gfp_mask (struct drm_gem_object *obj)
-{
- return mapping_gfp_mask(obj->filp->f_path.dentry->d_inode->i_mapping);
-}
-
-static inline void
-i915_gem_object_set_page_gfp_mask (struct drm_gem_object *obj, gfp_t gfp)
-{
- mapping_set_gfp_mask(obj->filp->f_path.dentry->d_inode->i_mapping, gfp);
-}
-
static int
i915_gem_object_get_pages_or_evict(struct drm_gem_object *obj)
{
int ret;
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, __GFP_NORETRY | __GFP_NOWARN);
/* If we've insufficient memory to map in the pages, attempt
* to make some space by throwing out some old buffers.
*/
if (ret == -ENOMEM) {
struct drm_device *dev = obj->dev;
- gfp_t gfp;
ret = i915_gem_evict_something(dev, obj->size);
if (ret)
return ret;
- gfp = i915_gem_object_get_page_gfp_mask(obj);
- i915_gem_object_set_page_gfp_mask(obj, gfp & ~__GFP_NORETRY);
- ret = i915_gem_object_get_pages(obj);
- i915_gem_object_set_page_gfp_mask (obj, gfp);
+ ret = i915_gem_object_get_pages(obj, 0);
}
return ret;
*/
if (args->offset > obj->size || args->size > obj->size ||
args->offset + args->size > obj->size) {
- drm_gem_object_unreference(obj);
+ drm_gem_object_unreference_unlocked(obj);
return -EINVAL;
}
file_priv);
}
- drm_gem_object_unreference(obj);
+ drm_gem_object_unreference_unlocked(obj);
return ret;
}
mutex_lock(&dev->struct_mutex);
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret != 0)
goto fail_unlock;
*/
if (args->offset > obj->size || args->size > obj->size ||
args->offset + args->size > obj->size) {
- drm_gem_object_unreference(obj);
+ drm_gem_object_unreference_unlocked(obj);
return -EINVAL;
}
DRM_INFO("pwrite failed %d\n", ret);
#endif
- drm_gem_object_unreference(obj);
+ drm_gem_object_unreference_unlocked(obj);
return ret;
}
PROT_READ | PROT_WRITE, MAP_SHARED,
args->offset);
up_write(¤t->mm->mmap_sem);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
if (IS_ERR((void *)addr))
return addr;
else
list_move_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
+ BUG_ON(!list_empty(&obj_priv->gpu_write_list));
+
obj_priv->last_rendering_seqno = 0;
if (obj_priv->active) {
obj_priv->active = 0;
struct drm_i915_gem_object *obj_priv, *next;
list_for_each_entry_safe(obj_priv, next,
- &dev_priv->mm.flushing_list, list) {
+ &dev_priv->mm.gpu_write_list,
+ gpu_write_list) {
struct drm_gem_object *obj = obj_priv->obj;
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);
trace_i915_gem_object_change_domain(obj,
i915_gem_evict_everything(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- uint32_t seqno;
int ret;
+ uint32_t seqno;
bool lists_empty;
spin_lock(&dev_priv->mm.active_list_lock);
if (ret)
return ret;
+ BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
+
ret = i915_gem_evict_from_inactive_list(dev);
if (ret)
return ret;
}
int
-i915_gem_object_get_pages(struct drm_gem_object *obj)
+i915_gem_object_get_pages(struct drm_gem_object *obj,
+ gfp_t gfpmask)
{
struct drm_i915_gem_object *obj_priv = obj->driver_private;
int page_count, i;
inode = obj->filp->f_path.dentry->d_inode;
mapping = inode->i_mapping;
for (i = 0; i < page_count; i++) {
- page = read_mapping_page(mapping, i, NULL);
+ page = read_cache_page_gfp(mapping, i,
+ mapping_gfp_mask (mapping) |
+ __GFP_COLD |
+ gfpmask);
if (IS_ERR(page)) {
ret = PTR_ERR(page);
i915_gem_object_put_pages(obj);
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
struct drm_mm_node *free_space;
- bool retry_alloc = false;
+ gfp_t gfpmask = __GFP_NORETRY | __GFP_NOWARN;
int ret;
if (obj_priv->madv != I915_MADV_WILLNEED) {
DRM_INFO("Binding object of size %zd at 0x%08x\n",
obj->size, obj_priv->gtt_offset);
#endif
- if (retry_alloc) {
- i915_gem_object_set_page_gfp_mask (obj,
- i915_gem_object_get_page_gfp_mask (obj) & ~__GFP_NORETRY);
- }
- ret = i915_gem_object_get_pages(obj);
- if (retry_alloc) {
- i915_gem_object_set_page_gfp_mask (obj,
- i915_gem_object_get_page_gfp_mask (obj) | __GFP_NORETRY);
- }
+ ret = i915_gem_object_get_pages(obj, gfpmask);
if (ret) {
drm_mm_put_block(obj_priv->gtt_space);
obj_priv->gtt_space = NULL;
ret = i915_gem_evict_something(dev, obj->size);
if (ret) {
/* now try to shrink everyone else */
- if (! retry_alloc) {
- retry_alloc = true;
- goto search_free;
+ if (gfpmask) {
+ gfpmask = 0;
+ goto search_free;
}
return ret;
old_write_domain = obj->write_domain;
i915_gem_flush(dev, 0, obj->write_domain);
seqno = i915_add_request(dev, NULL, obj->write_domain);
- obj->write_domain = 0;
+ BUG_ON(obj->write_domain);
i915_gem_object_move_to_active(obj, seqno);
trace_i915_gem_object_change_domain(obj,
uint32_t reloc_count = 0, i;
int ret = 0;
+ if (relocs == NULL)
+ return 0;
+
for (i = 0; i < buffer_count; i++) {
struct drm_i915_gem_relocation_entry __user *user_relocs;
int unwritten;
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;
+ struct drm_i915_gem_relocation_entry *relocs = NULL;
int ret = 0, ret2, i, pinned = 0;
uint64_t exec_offset;
uint32_t seqno, flush_domains, reloc_index;
if (args->num_cliprects != 0) {
cliprects = kcalloc(args->num_cliprects, sizeof(*cliprects),
GFP_KERNEL);
- if (cliprects == NULL)
+ if (cliprects == NULL) {
+ ret = -ENOMEM;
goto pre_mutex_err;
+ }
ret = copy_from_user(cliprects,
(struct drm_clip_rect __user *)
if (object_list[i] == NULL) {
DRM_ERROR("Invalid object handle %d at index %d\n",
exec_list[i].handle, i);
+ /* prevent error path from reading uninitialized data */
+ args->buffer_count = i + 1;
ret = -EBADF;
goto err;
}
if (obj_priv->in_execbuffer) {
DRM_ERROR("Object %p appears more than once in object list\n",
object_list[i]);
+ /* prevent error path from reading uninitialized data */
+ args->buffer_count = i + 1;
ret = -EBADF;
goto err;
}
i915_gem_flush(dev,
dev->invalidate_domains,
dev->flush_domains);
- if (dev->flush_domains)
+ if (dev->flush_domains & I915_GEM_GPU_DOMAINS)
(void)i915_add_request(dev, file_priv,
dev->flush_domains);
}
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
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);
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
ret = ret2;
}
-pre_mutex_err:
drm_free_large(object_list);
kfree(cliprects);
obj_priv->obj = obj;
obj_priv->fence_reg = I915_FENCE_REG_NONE;
INIT_LIST_HEAD(&obj_priv->list);
+ INIT_LIST_HEAD(&obj_priv->gpu_write_list);
INIT_LIST_HEAD(&obj_priv->fence_list);
obj_priv->madv = I915_MADV_WILLNEED;
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.request_list);
INIT_LIST_HEAD(&dev_priv->mm.fence_list);
if (!obj_priv->phys_obj)
return;
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret)
goto out;
obj_priv->phys_obj = dev_priv->mm.phys_objs[id - 1];
obj_priv->phys_obj->cur_obj = obj;
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret) {
DRM_ERROR("failed to get page list\n");
goto out;
projects / deliverable / linux.git / blobdiff