From: Xiangliang Yu <Xiangliang.Yu@amd.com>
Date: Tue, 14 Feb 2017 08:08:18 +0000 (+0800)
Subject: drm/amdgpu/dce_virtual: bypass DPM for vf
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ebe0a8097913659e29c4b89a37c93fc0a88c6d4e;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/amdgpu/dce_virtual: bypass DPM for vf

If enable DPM for VF, always get lot of warn_slow_patch_null in
dmesg and vf doesn't support DPM.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index 788c0231d193..5c51f9a97811 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -204,6 +204,9 @@ static void dce_virtual_crtc_dpms(struct drm_crtc *crtc, int mode)
 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 	unsigned type;
 
+	if (amdgpu_sriov_vf(adev))
+		return;
+
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
 		amdgpu_crtc->enabled = true;