Re: [PATCH 1/1] drm/amdgpu: make BO type check less restrictive

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Am 15.03.21 um 16:14 schrieb Nirmoy Das:
BO with ttm_bo_type_sg type can also have tiling_flag and metadata.
So so BO type check for only ttm_bo_type_kernel.

Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
Reported-by: Tom StDenis <Tom.StDenis@xxxxxxx>

At some point we should probably add a amdgpu_bo_is_user() helper function, but for now that should work.

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index ac0e1cd83858..fdf23e439b42 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -1167,7 +1167,7 @@ int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags)
  	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
  	struct amdgpu_bo_user *ubo;
- BUG_ON(bo->tbo.type != ttm_bo_type_device);
+	BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
  	if (adev->family <= AMDGPU_FAMILY_CZ &&
  	    AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT) > 6)
  		return -EINVAL;
@@ -1189,7 +1189,7 @@ void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags)
  {
  	struct amdgpu_bo_user *ubo;
- BUG_ON(bo->tbo.type != ttm_bo_type_device);
+	BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
  	dma_resv_assert_held(bo->tbo.base.resv);
  	ubo = to_amdgpu_bo_user(bo);
@@ -1216,7 +1216,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
  	struct amdgpu_bo_user *ubo;
  	void *buffer;
- BUG_ON(bo->tbo.type != ttm_bo_type_device);
+	BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
  	ubo = to_amdgpu_bo_user(bo);
  	if (!metadata_size) {
  		if (ubo->metadata_size) {
@@ -1266,7 +1266,7 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
  	if (!buffer && !metadata_size)
  		return -EINVAL;
- BUG_ON(bo->tbo.type != ttm_bo_type_device);
+	BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
  	ubo = to_amdgpu_bo_user(bo);
  	if (buffer) {
  		if (buffer_size < ubo->metadata_size)

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