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drm/amdgpu: avoid sdma ring reset in sriov

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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>
This commit is contained in:
Victor Zhao 2026-02-04 23:15:04 +08:00 committed by Alex Deucher
parent f025a2b8d9
commit 5cc7bbd9f1
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
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@ -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) {