Am 25.06.21 um 19:28 schrieb Nirmoy Das:

Return early for AMDGPU_PL_PREEMPT BOs so that we don't pass wrong pointer to amdgpu_gtt_mgr_has_gart_addr() which assumes ttm_resource argument to be TTM_PL_TT type BO's.

Signed-off-by: Nirmoy Das nirmoy.das@amd.com

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 5 +++++ 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index b46726e47bce..3df06772a425 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -926,6 +926,11 @@ static int amdgpu_ttm_backend_bind(struct ttm_device *bdev, bo_mem->mem_type == AMDGPU_PL_OA) return -EINVAL;

• if (bo_mem->mem_type == AMDGPU_PL_PREEMPT) {

Probably better to merge that into the if below.

E.g. if bo_mem->mem_type != TTM_PL_TT || .....

Christian.

• gtt->offset = AMDGPU_BO_INVALID_OFFSET;
  

• return 0;
  

• }
• if (!amdgpu_gtt_mgr_has_gart_addr(bo_mem)) { gtt->offset = AMDGPU_BO_INVALID_OFFSET; return 0;