diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.c | 44 |
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; } |