[Intel-gfx] [PATCH 5/5] drm/i915: Allow vblank interrupts during modeset and eliminate some vblank races

[Michel Dänzer]

On Fre, 2014-02-21 at 21:03 +0200, ville.syrjala at linux.intel.com wrote:
> 
> We can kill of the drm_vblank_{pre,post}_modeset() calls since those are
> there simply to make drm_vblank_get() fail during a modeset.

Actually, their original purpose was to keep the DRM vblank counter
consistent across modesets, assuming the modeset resets the hardware
vblank counter.


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer