If a BO is pinned to VRAM and you try to validate it into GTT, you will get an error.
Suggested-by: Christian König <[email protected]> Signed-off-by: Lang Yu <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index abf2fc421323..81bcffb510f4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -346,6 +346,9 @@ static int amdgpu_amdkfd_bo_validate(struct amdgpu_bo *bo, uint32_t domain, struct ttm_operation_ctx ctx = { false, false }; int ret; + if (bo->tbo.pin_count) + return 0; + if (WARN(amdgpu_ttm_tt_get_usermm(bo->tbo.ttm), "Called with userptr BO")) return -EINVAL; -- 2.25.1
