diff options
| author | Victor Zhao <Victor.Zhao@amd.com> | 2026-02-04 23:15:04 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-02-05 17:25:37 -0500 |
| commit | 5cc7bbd9f1b74d9fe2f7ac08d6ba0477e8d2d65f (patch) | |
| tree | 8eec8ecfa65b130cc062faa6a00a2541ffe16cbb /drivers/gpu/drm/amd/amdgpu | |
| parent | f025a2b8d93358467b8e8f4b3a617e88c5f02fab (diff) | |
drm/amdgpu: avoid sdma ring reset in sriov
sdma ring reset is not supported in SRIOV. kfd driver does not check
reset mask, and could queue sdma ring reset during unmap_queues_cpsch.
Avoid the ring reset for sriov.
Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c index 8b8a04138711..321310ba2c08 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c @@ -558,6 +558,9 @@ int amdgpu_sdma_reset_engine(struct amdgpu_device *adev, uint32_t instance_id, struct amdgpu_ring *gfx_ring = &sdma_instance->ring; struct amdgpu_ring *page_ring = &sdma_instance->page; + if (amdgpu_sriov_vf(adev)) + return -EOPNOTSUPP; + mutex_lock(&sdma_instance->engine_reset_mutex); if (!caller_handles_kernel_queues) { |