On Wed, Feb 4, 2026 at 10:47 AM Victor Zhao <[email protected]> wrote: > > 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;
How about !amdgpu_ring_is_reset_type_supported(ring, AMDGPU_RESET_TYPE_PER_QUEUE) instead in case this ever gets enabled on SR-IOV? Either way: Reviewed-by: Alex Deucher <[email protected]> > + > mutex_lock(&sdma_instance->engine_reset_mutex); > > if (!caller_handles_kernel_queues) { > -- > 2.25.1 >
