From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 20 Apr 2011 18:20:15 +0000 (+0100)
Subject: drm/i915: Propagate failure to set mode for load-detect pipe
X-Git-Tag: v3.0-rc1~312^2~4^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be925587570a745944d99042368f72496bc28a70;p=pandora-kernel.git

drm/i915: Propagate failure to set mode for load-detect pipe

Check the return value from drm_crtc_set_mode(), report the failure
via a debug message and propagate the error back to the caller. This
prevents us from blissfully continuing to do the load detection on a
disabled pipe. Fortunately actual failure for modesetting is very rare,
and reported failures even rarer.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
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