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 <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 3 +++ 1 file changed, 3 insertions(+) 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) { -- 2.25.1
