drm/vblank: Add helper to get next vblank time
authorRob Clark <robdclark@chromium.org>
Fri, 3 Sep 2021 18:47:53 +0000 (11:47 -0700)
committerRob Clark <robdclark@chromium.org>
Tue, 28 Mar 2023 21:52:59 +0000 (14:52 -0700)
commitb2c077d001b612b1f34f7e528b2dc6072bd6794e
tree93342f345a18af3c770a737f289686fdd946615e
parentf3823da7e4ba7d4781375c2bb786a8a78efc6591
drm/vblank: Add helper to get next vblank time

Will be used in the next commit to set a deadline on fences that an
atomic update is waiting on.

v2: Calculate time at *start* of vblank period, not end
v3: Fix kbuild complaints

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>
drivers/gpu/drm/drm_vblank.c
include/drm/drm_vblank.h