drm/i915: Drop useless posting reads from cursor commit
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 27 Mar 2017 18:55:38 +0000 (21:55 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 10 May 2017 16:07:27 +0000 (19:07 +0300)
commit75343a44c901b681328b22ae50bcf5efdf6c988f
treecaa918b9747a06101043dab887d91d61ae844b6f
parentb2d03b0ddfc9310be1f35320597487157f829ede
drm/i915: Drop useless posting reads from cursor commit

There should be no need to do posting reads between all the cursor
register accessess. Let's just drop them.

v2: Rebase due to I915_WRITE_FW() and uncore.lock

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> #v1
Link: http://patchwork.freedesktop.org/patch/msgid/20170327185546.2977-8-ville.syrjala@linux.intel.com
drivers/gpu/drm/i915/intel_display.c