[Intel-gfx] [PATCH 2/2] drm/i915: Use vblank_disable_immediate on gen2

[Chris Wilson]

Quoting Ville Syrjala (2019-03-22 18:08:04)
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> The vblank timestamp->counter guesstimator seems to be
> working sufficiently well, so there's no reason not to
> disable vblank interrupts ASAP even on gen2.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Acked-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris