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drm/amdgpu: validate the flush_gpu_tlb_pasid()

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Validate flush_gpu_tlb_pasid() availability before flushing tlb.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang
2026-01-06 17:00:57 +08:00
committed by Alex Deucher
parent bcd600ab7f
commit f4db9913e4
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
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@@ -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,