Commit 5cc7bbd9 authored by Victor Zhao's avatar Victor Zhao Committed by Alex Deucher
Browse files

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: default avatarVictor Zhao <Victor.Zhao@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f025a2b8

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

+3 −0
Original line number Diff line number Diff line
@@ -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) {