[PATCH 2/2] drm/amd/display: disable S/G display on DCN 3.1.4

Zhang, Yifan Yifan1.Zhang at amd.com
Thu Jan 19 03:36:01 UTC 2023


[Public]

This series is:

Reviewed-by: Yifan Zhang <yifan1.zhang at amd.com>

-----Original Message-----
From: Deucher, Alexander <Alexander.Deucher at amd.com> 
Sent: Wednesday, January 18, 2023 10:26 PM 
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Li, Roman <Roman.Li at amd.com>; Zhang, Yifan <Yifan1.Zhang at amd.com>
Subject: [PATCH 2/2] drm/amd/display: disable S/G display on DCN 3.1.4

Causes flickering or white screens in some configurations.
Disable it for now until we can fix the issue.

Cc: roman.li at amd.com
Cc: yifan1.zhang at amd.com
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 7167a7b63f8c..b8ae51345668 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1502,7 +1502,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		case IP_VERSION(3, 0, 1):
 		case IP_VERSION(3, 1, 2):
 		case IP_VERSION(3, 1, 3):
-		case IP_VERSION(3, 1, 4):
 		case IP_VERSION(3, 1, 6):
 			init_data.flags.gpu_vm_support = true;
 			break;
-- 
2.39.0


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