1 files changed, 36 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0129-drm-amdgpu-virt-disable-dc.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0129-drm-amdgpu-virt-disable-dc.patch
new file mode 100644
index 00000000..3cf53e3d
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0129-drm-amdgpu-virt-disable-dc.patch
@@ -0,0 +1,36 @@
+From ad975384dff018ae8dcd56db3515f5a7c2f6b3be Mon Sep 17 00:00:00 2001
+From: Xiangliang Yu <Xiangliang.Yu@amd.com>
+Date: Tue, 10 Jan 2017 17:34:52 +0800
+Subject: [PATCH 0129/4131] drm/amdgpu/virt: disable dc
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+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>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+index e01a1b4..3d8f699 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+@@ -1997,6 +1997,9 @@ 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);
+ }
+ 
+-- 
+2.7.4
+