[PATCH] drm/amdgpu: report DC not supported if virtual display is enabled (v2)

[Chen, Guchun]

[AMD Public Use]

Acked-by: Guchun Chen <guchun.chen at amd.com>

Regards,
Guchun

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Tuesday, August 25, 2020 10:18 PM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: [PATCH] drm/amdgpu: report DC not supported if virtual display is enabled (v2)

virtual display is non-atomic so report false to avoid checking atomic state and other atomic things at runtime.

v2: squash into the sr-iov check

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 5a948edcc93c..8f37f9f99105 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2861,7 +2861,7 @@ 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))
+	if (amdgpu_sriov_vf(adev) || adev->enable_virtual_display)
 		return false;
 
 	return amdgpu_device_asic_has_dc_support(adev->asic_type);
--
2.25.4

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