Commit f4db9913 authored by Prike Liang's avatar Prike Liang Committed by Alex Deucher
Browse files

drm/amdgpu: validate the flush_gpu_tlb_pasid() 



Validate flush_gpu_tlb_pasid() availability before flushing tlb.

Signed-off-by: default avatarPrike Liang <Prike.Liang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bcd600ab

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c

+4 −0
Original line number Diff line number Diff line
@@ -780,6 +780,10 @@ int amdgpu_gmc_flush_gpu_tlb_pasid(struct amdgpu_device *adev, uint16_t pasid, 
		return 0;



	if (!adev->gmc.flush_pasid_uses_kiq || !ring->sched.ready) {



		if (!adev->gmc.gmc_funcs->flush_gpu_tlb_pasid)

			return 0;



		if (adev->gmc.flush_tlb_needs_extra_type_2)

			adev->gmc.gmc_funcs->flush_gpu_tlb_pasid(adev, pasid,

								 2, all_hub,