[PATCH 02/12] drm: Make the vblank disable timer per-crtc

[Thierry Reding]

On Wed, May 14, 2014 at 08:51:04PM +0200, Daniel Vetter wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Currently there's one per-device vblank disable timer, and it gets
> reset wheneven the vblank refcount for any crtc drops to zero. That

"whenever"

> means that one crtc could accidentally be keeping the vblank interrupts
> for other crtcs enabled even if there are no users for them. Make the
> disable timer per-crtc to avoid this issue.

Very pedantically: s/crtc/CRTC/ and maybe even s/vblank/VBLANK/. Feel
free to ignore those, though. =)

Also, and I may have asked before, why do we even need this timer? Why
not simply disable interrupts when the last vblank reference goes away?

Generally, though:

Reviewed-by: Thierry Reding <treding at nvidia.com>
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