[PATCH 1/2] drm: vblank: use ktime_t instead of timeval

[Keith Packard]

Arnd Bergmann <arnd at arndb.de> writes:

> That is an interesting coincidence, I created my patch earlier this week
> without having any idea that others were looking at the same files.

My requirements were to support 64-bit vblank counts and ns precision
vblank timing for Vulkan; obviously using ktime_t was a good cleaup at
the same time.

My patch also widens the sequence numbers to 64-bits, so it's a superset
of Arnd's patch; rebasing should be straightforward (although not
automatic) if that's what we want to do.

-- 
-keith
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