From: Rob Clark <robdclark@gmail.com>
Date: Mon, 12 Jan 2015 21:11:16 +0000 (-0500)
Subject: drm/msm/atomic: fix issue with gnome-shell wayland
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~75^2~11^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be7a7b8997a1c041ce42843e8290082fdb4f11f5;p=pandora-kernel.git

drm/msm/atomic: fix issue with gnome-shell wayland

The gnome-shell wayland compositor triggers a setcrtc with an fb that is
still being rendered, triggering the call to _wait_fence_interruptable().
But a NULL timeout means "don't wait, return -EBUSY if not ready", which
in turn causes the setcrtc to fail.

Signed-off-by: Rob Clark <robdclark@gmail.com>
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