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| author | Stylon Wang <stylon.wang@amd.com> | 2023-10-05 20:25:10 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-09 17:01:15 -0400 |
| commit | b22c336268e477e3e8fc21e7d6b18fa8c4cd1f9a (patch) | |
| tree | d5acda8e5cccdb8b1767cd0f1958878d7db05dac /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | 9af4377fd5d04e7e9e2477d13dbea32849de04e7 (diff) | |
| download | linux-stable-b22c336268e477e3e8fc21e7d6b18fa8c4cd1f9a.tar.gz linux-stable-b22c336268e477e3e8fc21e7d6b18fa8c4cd1f9a.tar.bz2 linux-stable-b22c336268e477e3e8fc21e7d6b18fa8c4cd1f9a.zip | |
drm/amd/display: Disable virtual links
[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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 |
1 files changed, 1 insertions, 1 deletions
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 c12dfe7acb3e..c9a272d960a1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -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); |