diff options
| author | Prike Liang <Prike.Liang@amd.com> | 2026-01-06 17:00:57 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-01-14 14:28:59 -0500 |
| commit | f4db9913e4d3dabe9ff3ea6178f2c1bc286012b8 (patch) | |
| tree | 08354f3a3726329aac5966d22f500764b982660b /drivers/gpu/drm/amd | |
| parent | bcd600ab7f2e8ebf7eb5b6ab28dd479341c389e0 (diff) | |
drm/amdgpu: validate the flush_gpu_tlb_pasid()
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>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 6d7b8bb953ae..0e67fa4338ff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -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, |