From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 7 Apr 2015 15:21:02 +0000 (+0100)
Subject: drm/i915: Reduce locking in execlist command submission
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~17^2~58^2~94
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6111f7b6604e6cf98856839b56a2ae436fc0bab;p=pandora-kernel.git

drm/i915: Reduce locking in execlist command submission

This eliminates six needless spin lock/unlock pairs when writing out
ELSP.

v2: Respin with my preferred colour.
v3: Mostly back to the original colour

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> [v1]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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