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(parent: bf6f036) | patch
drm/i915: Optimize DIV_ROUND_CLOSEST call
authorJean Delvare <khali@linux-fr.org>
Mon, 12 Nov 2012 13:18:02 +0000 (14:18 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 21 Nov 2012 16:44:59 +0000 (17:44 +0100)
commite3fef09dda9ebf113a9a861260eff6f223808043
treec145ff192b00236d12559eaab4e720a666ded70dtree | snapshot
parentbf6f036848ab2151c2498f11cb7d31a52a95dd5ccommit | diff
drm/i915: Optimize DIV_ROUND_CLOSEST call

DIV_ROUND_CLOSEST is faster if the compiler knows it will only be
dealing with unsigned dividends. This optimization rips 32 bytes of
binary code on x86_64.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c diff | blob | history
Domain: System / Kernel;