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(parent: 87254b3) | patch
drm/i915: Improve HiZ throughput on Cherryview.
authorKenneth Graunke <kenneth@whitecape.org>
Sun, 11 Jan 2015 02:02:22 +0000 (18:02 -0800)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 12 Jan 2015 23:16:53 +0000 (00:16 +0100)
commit1c9aab77ba1602963e839c9533275fc3453d60e0
treea031d13bfc72e85b0bbf1f4e3222b5fd9c52f98ftree | snapshot
parent87254b3e4d76251327cdcef85dca26565c16a6b1commit | diff
drm/i915: Improve HiZ throughput on Cherryview.

Found by reading the HIZ_CHICKEN documentation.

Improves performance in a HiZ microbenchmark by around 50%.
Improves performance in OglZBuffer by around 18%.

Thanks to Chris Wilson for helping me figure out where to put this.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_reg.h diff | blob | history
drivers/gpu/drm/i915/intel_ringbuffer.c diff | blob | history
Linux Kernel Source Tree.