APPLIED[K]: [SRU] [J/K/OEM-5.19] [PATCH 0/3] Fix resume on AMD platforms when TBT monitor is plugged

Andrea Righi andrea.righi at canonical.com
Wed Oct 12 06:46:55 UTC 2022


On Tue, Sep 27, 2022 at 02:59:53PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1990920
> 
> [Impact]
> When TBT monitor is connected to AMD platform, system resume will hit
> stack corruption or BUG_ON() macro.
> 
> [Fix]
> Revert the offending commit and handle MST properly.
> 
> [Test]
> The system can resume normally and no more kernel splat.
> 
> [Where problems could occur]
> The new logic is restriced to MST hub, so normal DP/HDMI usage should be
> unaffected.

Applied to kinetic/linux.

Thanks,
-Andrea



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