Re: [PATCH 6.18.y] drm/vkms: Fix ABBA deadlock in vblank disable and timer callback

[Greg KH]

On Fri, May 15, 2026 at 09:18:26PM +0800, w15303746062@xxxxxxx wrote:
> From: Mingyu Wang <25181214217@xxxxxxxxxxxxxxxxx>
> 
> [Note: This patch addresses a legacy VKMS implementation deadlock specific
> to older stable trees (e.g., 6.18.y). Mainline has removed this code during
> the generic DRM_CRTC_VBLANK_TIMER_FUNCS refactoring.]

Why not apply those upstream commits here as well?  No need to diverge
from Linus's tree, otherwise we will end up having a mess that nothing
can ever be backported to.

How many commits need to be backported?  Have you tried?

thanks,

greg k-h