From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 7 Oct 2014 13:13:51 +0000 (+0100)
Subject: drm: Implement O_NONBLOCK support on /dev/dri/cardN
X-Git-Tag: omap-for-v3.19/fixes-rc1~80^2~76^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd008e5b2953186fc0c6633a885ade95e7043800;p=pandora-kernel.git

drm: Implement O_NONBLOCK support on /dev/dri/cardN

The implmentation is simple in the extreme: we only want to wait for
events if the device was opened in blocking mode, otherwise we grab what
is available and report an error if there was none.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Testcase: igt/kms_flip/nonblocing_read
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

Reading git-diff-tree failed