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| author | Christian König <christian.koenig@amd.com> | 2021-12-17 16:13:09 +0100 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2022-07-11 10:59:20 +0200 |
| commit | 63af82cf5e36b6ba3f3ebcdd1edd9f91934bfa59 (patch) | |
| tree | ecf8af219352c5baa14bb97fd2d7c85bceb4c7e2 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 347987a2cf0d146484d1c586951ef10028bb1674 (diff) | |
| download | linux-63af82cf5e36b6ba3f3ebcdd1edd9f91934bfa59.tar.gz linux-63af82cf5e36b6ba3f3ebcdd1edd9f91934bfa59.tar.bz2 linux-63af82cf5e36b6ba3f3ebcdd1edd9f91934bfa59.zip | |
drm/amdgpu: audit bo->resource usage
Make sure we can at least move and release BOs without backing store.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220707102453.3633-3-christian.koenig@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index be6f76a30ac6..3bddf266e8b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -471,7 +471,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, adev = amdgpu_ttm_adev(bo->bdev); - if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) { + if (!old_mem || (old_mem->mem_type == TTM_PL_SYSTEM && + bo->ttm == NULL)) { ttm_bo_move_null(bo, new_mem); goto out; } |