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path: root/drivers/gpu/drm/radeon/radeon_object.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c44
1 files changed, 38 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 122774742bd..d5b9373ce06 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -112,9 +112,11 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj,
radeon_ttm_placement_from_domain(bo, domain);
/* Kernel allocation are uninterruptible */
+ mutex_lock(&rdev->vram_mutex);
r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
&bo->placement, 0, 0, !kernel, NULL, size,
&radeon_ttm_bo_destroy);
+ mutex_unlock(&rdev->vram_mutex);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS)
dev_err(rdev->dev,
@@ -166,11 +168,15 @@ void radeon_bo_kunmap(struct radeon_bo *bo)
void radeon_bo_unref(struct radeon_bo **bo)
{
struct ttm_buffer_object *tbo;
+ struct radeon_device *rdev;
if ((*bo) == NULL)
return;
+ rdev = (*bo)->rdev;
tbo = &((*bo)->tbo);
+ mutex_lock(&rdev->vram_mutex);
ttm_bo_unref(&tbo);
+ mutex_unlock(&rdev->vram_mutex);
if (tbo == NULL)
*bo = NULL;
}
@@ -192,7 +198,7 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
}
for (i = 0; i < bo->placement.num_placement; i++)
bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
- r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+ r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false);
if (likely(r == 0)) {
bo->pin_count = 1;
if (gpu_addr != NULL)
@@ -216,7 +222,7 @@ int radeon_bo_unpin(struct radeon_bo *bo)
return 0;
for (i = 0; i < bo->placement.num_placement; i++)
bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
- r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+ r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false);
if (unlikely(r != 0))
dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo);
return r;
@@ -295,6 +301,7 @@ int radeon_bo_list_reserve(struct list_head *head)
r = radeon_bo_reserve(lobj->bo, false);
if (unlikely(r != 0))
return r;
+ lobj->reserved = true;
}
return 0;
}
@@ -305,7 +312,7 @@ void radeon_bo_list_unreserve(struct list_head *head)
list_for_each_entry(lobj, head, list) {
/* only unreserve object we successfully reserved */
- if (radeon_bo_is_reserved(lobj->bo))
+ if (lobj->reserved && radeon_bo_is_reserved(lobj->bo))
radeon_bo_unreserve(lobj->bo);
}
}
@@ -316,6 +323,9 @@ int radeon_bo_list_validate(struct list_head *head)
struct radeon_bo *bo;
int r;
+ list_for_each_entry(lobj, head, list) {
+ lobj->reserved = false;
+ }
r = radeon_bo_list_reserve(head);
if (unlikely(r != 0)) {
return r;
@@ -331,7 +341,7 @@ int radeon_bo_list_validate(struct list_head *head)
lobj->rdomain);
}
r = ttm_bo_validate(&bo->tbo, &bo->placement,
- true, false);
+ true, false, false);
if (unlikely(r))
return r;
}
@@ -499,11 +509,33 @@ void radeon_bo_move_notify(struct ttm_buffer_object *bo,
radeon_bo_check_tiling(rbo, 0, 1);
}
-void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
+int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
{
+ struct radeon_device *rdev;
struct radeon_bo *rbo;
+ unsigned long offset, size;
+ int r;
+
if (!radeon_ttm_bo_is_radeon_bo(bo))
- return;
+ return 0;
rbo = container_of(bo, struct radeon_bo, tbo);
radeon_bo_check_tiling(rbo, 0, 0);
+ rdev = rbo->rdev;
+ if (bo->mem.mem_type == TTM_PL_VRAM) {
+ size = bo->mem.num_pages << PAGE_SHIFT;
+ offset = bo->mem.mm_node->start << PAGE_SHIFT;
+ if ((offset + size) > rdev->mc.visible_vram_size) {
+ /* hurrah the memory is not visible ! */
+ radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM);
+ rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT;
+ r = ttm_bo_validate(bo, &rbo->placement, false, true, false);
+ if (unlikely(r != 0))
+ return r;
+ offset = bo->mem.mm_node->start << PAGE_SHIFT;
+ /* this should not happen */
+ if ((offset + size) > rdev->mc.visible_vram_size)
+ return -EINVAL;
+ }
+ }
+ return 0;
}