[Intel-gfx] [PATCH 2/6] drm/i915/fbc: Remove second redundant intel_fbc_pre_update() call

[Chris Wilson]

Quoting Ville Syrjala (2019-12-13 13:34:49)
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> I fumbled the conflict resolution a bit when applying the
> fbc vblank wait w/a. Because of that we now call intel_fbc_pre_update()
> twice. Remove the second redundant call.
> 
> Reported-by: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris