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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-11 00:00:29 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-11 00:00:29 -0400 |
| commit | e4d35be584be88a3db3fa5635a97c62a2ec5aafe (patch) | |
| tree | fc22a7fb65697306edd71411959ccee6df60c64d /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 99d825822eade8d827a1817357cbf3f889a552d6 (diff) | |
| parent | 38b78a5f18584db6fa7441e0f4531b283b0e6725 (diff) | |
| download | linux-e4d35be584be88a3db3fa5635a97c62a2ec5aafe.tar.bz2 | |
Merge branch 'ovl-fixes' into for-linus
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index ab34190859a8..11af4492b4be 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -223,6 +223,8 @@ static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp) { struct amdgpu_bo *rbo = container_of(bo, struct amdgpu_bo, tbo); + if (amdgpu_ttm_tt_get_usermm(bo->ttm)) + return -EPERM; return drm_vma_node_verify_access(&rbo->gem_base.vma_node, filp); } @@ -384,9 +386,15 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem) { struct amdgpu_device *adev; + struct amdgpu_bo *abo; struct ttm_mem_reg *old_mem = &bo->mem; int r; + /* Can't move a pinned BO */ + abo = container_of(bo, struct amdgpu_bo, tbo); + if (WARN_ON_ONCE(abo->pin_count > 0)) + return -EINVAL; + adev = amdgpu_get_adev(bo->bdev); if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) { amdgpu_move_null(bo, new_mem); @@ -616,7 +624,7 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) set_page_dirty(page); mark_page_accessed(page); - page_cache_release(page); + put_page(page); } sg_free_table(ttm->sg); |