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drm/i915: Change BDW WIZ hashing mode to 16x4
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 4 Feb 2014 19:59:21 +0000 (21:59 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 4 Mar 2014 14:39:24 +0000 (15:39 +0100)
commit36075a4cad5adab51a97f32abf41db00975cabd9
treefd7af0a5b3a4be3da79f698cd32e2d518cacf972tree | snapshot (tar.gz zip)
parenta12c4967c96a41cbfc95a8cf8bc7bd697d9df054commit | diff
drm/i915: Change BDW WIZ hashing mode to 16x4

BSpec recommends using 8x4 hashing mode when MSAA is used. But in
practice 16x4 seems to have a slight edge in performance (on IVB and
HSW at least). So just use 16x4.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Antti Koskipää <antti.koskipaa@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c diff | blob | blame | history