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@xxxxxxx>
---
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;
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