drm/i915: Check 5/6 DDB split only when sprites are enabled
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 11 Oct 2013 12:26:26 +0000 (15:26 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 15 Oct 2013 17:01:31 +0000 (19:01 +0200)
commitec98c8d1ffdc87c54ec0896db45db5b7bd22eca9
tree0620569a6a7a69d0ad404a3a3f2f97d270bbb060
parentd9395655b92bc80c33cb6fbacbefb9ebf16403d4
drm/i915: Check 5/6 DDB split only when sprites are enabled

Using the 5/6 DDB split make sense only when sprites are enabled.
So check that before we waste any cycles computing the merged
watermarks with the 5/6 DDB split.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c