From 30329da525aee19bff3e69f2c9a2098ba5118658 Mon Sep 17 00:00:00 2001
From: Jane Jian <Jane.Jian@amd.com>
Date: Mon, 16 Dec 2019 16:24:13 +0800
Subject: drm/amdgpu: skip VCN2.5 power gating and clock gating for sriov
Git-commit: b40953c2baf0d6aed576451e655a44d444b7e9ef
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
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 <Jane.Jian@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 8a9fad5e15e0..1379cfadfb32 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;
--
2.28.0