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

[Li, Roman]

[Public]

Reviewed-by: Roman Li <Roman.Li at amd.com>

> -----Original Message-----
> From: Deucher, Alexander <Alexander.Deucher at amd.com>
> Sent: Wednesday, January 18, 2023 9:26 AM
> 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