[Intel-gfx] [PATCH] drm: use seqlocks for vblank time/count

[Matthew Auld]

There's an updated version of this patch already on the ml [1], which
I Cc'd you in on. I take it that your @tuebingen.mpg.de is in fact an
old email address?

[1] https://patchwork.freedesktop.org/patch/86354/