From b40953c2baf0d6aed576451e655a44d444b7e9ef Mon Sep 17 00:00:00 2001 From: Jane Jian Date: Mon, 16 Dec 2019 16:24:13 +0800 Subject: [PATCH] drm/amdgpu: skip VCN2.5 power gating and clock gating for sriov Arcturus v1: skip gating in serveral called functions by power gating and clock gating v2: from suggestion, skip setting gate in both set function, which is where it being called. Signed-off-by: Jane Jian Reviewed-by: Leo Liu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c index 8a9fad5..1379cfa 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c @@ -1248,6 +1248,9 @@ static int vcn_v2_5_set_clockgating_state(void *handle, struct amdgpu_device *adev = (struct amdgpu_device *)handle; bool enable = (state == AMD_CG_STATE_GATE) ? true : false; + if (amdgpu_sriov_vf(adev)) + return 0; + if (enable) { if (vcn_v2_5_is_idle(handle)) return -EBUSY; @@ -1265,6 +1268,9 @@ static int vcn_v2_5_set_powergating_state(void *handle, struct amdgpu_device *adev = (struct amdgpu_device *)handle; int ret; + if (amdgpu_sriov_vf(adev)) + return 0; + if(state == adev->vcn.cur_state) return 0; -- 2.7.4