drm/i915: Improve HiZ throughput on Cherryview.

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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>

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Kenneth Graunke 2015-01-10 18:02:22 -08:00 • committed by Daniel Vetter

parent c0a03a2e4c

commit d60de81da4

2 changed files with 6 additions and 0 deletions

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3

drivers/gpu/drm/i915/i915_reg.h

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3

drivers/gpu/drm/i915/intel_ringbuffer.c

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