Arch Linux

LTS revert: https://www.spinics.net/lists/stable-commits/msg306687.html
It's not in 6.5-rc3: https://github.com/torvalds/linux/blob/6eaae198076080886b9e7d57f4ae06fa782f90ef/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c#L7201

Have you contacted upstream stable to let them know they reintroduced a commit they had just reverted and has reverted again in mainline possibly by replying to [1]?
Edit:
Series of events for 6.4:
6.4 contains the initial commit e749dd10e5f292061ad63d2b030194bf7d7d452c [2]
6.4.4 reverts that commit in 4538616b518d8fd259c8316e47c5909e9713b331 [3]
6.4.5 reverts that commit in 3bbd9b0bb7ebcf385d24fdf9f541b6b390f07624 [4]
Edit2:
Queued for 6.4.7 [6] and 6.1.42 [7]

Mainline reverts the commit again in d6149086b45e150c170beaa4546495fd1880724c [5] but incorrectly states it is a revert of e749dd10e5f292061ad63d2b030194bf7d7d452c (the upstream initial commit) when it should be 7a0e005c7957931689a327b2a4e7333a19f13f95 (the reintroduction of the initial commit/revert of the revert)

[1] https://lore.kernel.org/stable/20230721160537.476563256%40linuxfoundation.org/
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e749dd10e5f292061ad63d2b030194bf7d7d452c
[3] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4538616b518d8fd259c8316e47c5909e9713b331
[4] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3bbd9b0bb7ebcf385d24fdf9f541b6b390f07624
[5] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d6149086b45e150c170beaa4546495fd1880724c
[6] https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e6df090a412868dfb3cb5255e553f54167b61c97
[7] https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=844bdc4975f6f60fb89b11da86d9ddfc56320218

> Have you contacted upstream stable to let them know they reintroduced a commit they had just reverted and has reverted again in mainline possibly by replying to [1]?
No.
Is there still upstream action requried w/ the 6.4.7 queue?

> Mainline reverts the commit again in d6149086b45e150c170beaa4546495fd1880724c [5] but incorrectly states it is a revert of e749dd10e5f292061ad63d2b030194bf7d7d452c (the upstream initial commit) when it should be 7a0e005c7957931689a327b2a4e7333a19f13f95 (the reintroduction of the initial commit/revert of the revert)
When you've some lazy time: https://www.youtube.com/watch?v=kuj5x3afeK8 :D

>Is there still upstream action required w/ the 6.4.7 queue?
No the fix will arrive with the next upstream kernel releases.

@luebking thanks for reporting, @loqs thanks for investigating.

Seeing as this will be fixed at next bump, probably not worth worrying about...but let's see if PM's want action.