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drm/amd/display: Disable virtual links

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[Why]
This could work around the issue with DP tunneling producing
a NULL pointer dereference.

[How]
Disable the virtual links.

Reviewed-by: Tom Chung <chiahsuan.chung@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Stylon Wang
2023-10-05 20:25:10 +08:00
committed by Alex Deucher
parent 9af4377fd5
commit b22c336268
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -1713,7 +1713,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
/* Enable DWB for tested platforms only */
if (adev->ip_versions[DCE_HWIP][0] >= IP_VERSION(3, 0, 0))
init_data.num_virtual_links = 1;
init_data.num_virtual_links = 0;
INIT_LIST_HEAD(&adev->dm.da_list);