Re: [PATCH 1/2] drm: introduce page_flip_timeout()

[Alex Deucher]

On Tue, Jan 27, 2026 at 5:53 PM Hamza Mahfooz
<someguy@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Mon, Jan 26, 2026 at 09:20:55AM -0500, Alex Deucher wrote:
> > I suspect just calling drm_crtc_send_vblank_event() here on the
> > relevant crtcs would be enough.
> >
>
> Seems like an interesting idea, though I would imagine we would still
> want to attempt a reset (of some kind) assuming that the subsequent page
> flip also experiences a timeout.

Is it actually a timeout or just missed interrupts?  I'm wondering if
some power feature races with the modeset and causes the interrupt to
get missed from time to time.

Alex