APPLIED/cmnt: [SRU][P][PATCH v2 0/2] Call trace occurs when unplugging a HDMI/DP/VGA cable on Dell platforms

[Stefan Bader]

On 18/08/2025 08:52, En-Wei Wu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2116908
> 
> [Impact]
> On Dell platforms using either Linux 6.11.0-1021-oem or 6.14.0-1005-oem,
> we observed call traces when unplugging a HDMI/DP/VGA cable from an
> external monitor.
> 
> [Fix]
> 1. Cherry-pick the following patch from the mainline:
> 
> f354556e29f4 drm/amd/display: limit clear_update_flags to dcn32 and
>    above
> 
> Here is the reference for the full patchset:
> 
> Link: https://lore.kernel.org/amd-gfx/20250710212941.630259-7-IVAN.LIPSKI@amd.com/
> 
> 2. Cherry-pick the other patch, which fixes the patch above:
> 
> 2d418e4fd9f1 drm/amd/display: Allow DCN301 to clear update flags
> 
> [Test Plan]
> 1. Boot into an Ubuntu OS
> 2. Connect a HDMI/DP/VGA cable into an external monitor
> 3. Check whether a call trace appears
> 
> [Where problems could occur]
> This patch changes the behavior of AMD GPUs with DCN version lower
> than 3.2. It might cause regression on these GPUs.
> 
> v2: Add fix commit: drm/amd/display: Allow DCN301 to clear update flags
> 
> Charlene Liu (1):
>    drm/amd/display: limit clear_update_flags to dcn32 and above
> 
> Ivan Lipski (1):
>    drm/amd/display: Allow DCN301 to clear update flags
> 
>   drivers/gpu/drm/amd/display/dc/core/dc.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 


Applied to plucky:linux/master-next. Thanks. But make sure this gets 
into Questing as well!

-Stefan

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_0xE8675DEECBEECEA3.asc
Type: application/pgp-keys
Size: 48643 bytes
Desc: OpenPGP public key
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20250912/58b234cb/attachment-0001.key>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20250912/58b234cb/attachment-0001.sig>