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Change History

https://git.kernel.org/stable/c/227349998e5740f14d531b0f0d704e66b1ed3c2f

https://git.kernel.org/stable/c/b96a225377b6602299a03d2ce3c289b68cd41bb7

In the Linux kernel, the following vulnerability has been resolved:

drm/nouveau: don't attempt to schedule hpd_work on headless cards

If the card doesn't have display hardware, hpd_work and hpd_lock are
left uninitialized which causes BUG when attempting to schedule hpd_work
on runtime PM resume.

Fix it by adding headless flag to DRM and skip any hpd if it's set.

kernel.org https://git.kernel.org/stable/c/227349998e5740f14d531b0f0d704e66b1ed3c2f [No types assigned]

kernel.org https://git.kernel.org/stable/c/b96a225377b6602299a03d2ce3c289b68cd41bb7 [No types assigned]