From c8466cc0d2a419e7659bff5161440741cb96ab1e Mon Sep 17 00:00:00 2001 From: Jack Zhang Date: Mon, 29 Jun 2020 10:06:49 +0800 Subject: drm/amd/sriov skip vcn powergating and dec_ring_test 1.Skip decode_ring test in VF, because VCN in SRIOV does not support direct register read/write. 2.Skip powergating configuration in hw fini because VCN3.0 SRIOV doesn't support powergating. V2: delete unneccessary white lines and refine implementation. Signed-off-by: Jack Zhang Reviewed-by: Leo Liu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 15ff30c53e24..92a55e40bc48 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -421,6 +421,10 @@ int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring) unsigned i; int r; + /* VCN in SRIOV does not support direct register read/write */ + if (amdgpu_sriov_vf(adev)) + return 0; + WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD); r = amdgpu_ring_alloc(ring, 3); if (r) -- cgit v1.2.3