From: Xiangliang Yu <Xiangliang.Yu@amd.com>
Date: Tue, 10 Jan 2017 09:34:52 +0000 (+0800)
Subject: drm/amdgpu/virt: disable dc
X-Git-Tag: v4.15-rc1~56^2~23^2~790
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2555039d129e4e637cbc6a1048d1005dd9c78b7a;p=thirdparty%2Fkernel%2Flinux.git

drm/amdgpu/virt: disable dc

Virtualization don't need the dc, disable it.

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

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 226d10f288a33..2efb486e283d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2006,6 +2006,9 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
  */
 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev)
 {
+	if (amdgpu_sriov_vf(adev))
+		return false;
+
 	return amdgpu_device_asic_has_dc_support(adev->asic_type);
 }