diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 531251dff150..0c0a8e83ab83 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -80,9 +80,6 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo) if (bo->pin_count > 0) amdgpu_bo_subtract_pin_size(bo); - if (bo->kfd_bo) - amdgpu_amdkfd_unreserve_memory_limit(bo); - amdgpu_bo_kunmap(bo); if (bo->gem_base.import_attach) @@ -1221,6 +1218,42 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, } /** + * amdgpu_bo_move_notify - notification about a BO being released + * @bo: pointer to a buffer object + * + * Wipes VRAM buffers whose contents should not be leaked before the + * memory is released. + */ +void amdgpu_bo_release_notify(struct ttm_buffer_object *bo) +{ + struct dma_fence *fence = NULL; + struct amdgpu_bo *abo; + int r; + + if (!amdgpu_bo_is_amdgpu_bo(bo)) + return; + + abo = ttm_to_amdgpu_bo(bo); + + if (abo->kfd_bo) + amdgpu_amdkfd_unreserve_memory_limit(abo); + + if (bo->mem.mem_type != TTM_PL_VRAM || !bo->mem.mm_node || + !(abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE)) + return; + + reservation_object_lock(bo->resv, NULL); + + r = amdgpu_fill_buffer(abo, AMDGPU_POISON, bo->resv, &fence); + if (!WARN_ON(r)) { + amdgpu_bo_fence(abo, fence, false); + dma_fence_put(fence); + } + + reservation_object_unlock(bo->resv); +} + +/** * amdgpu_bo_fault_reserve_notify - notification about a memory fault * @bo: pointer to a buffer object * |