From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 7 Nov 2014 09:15:59 +0000 (+0200)
Subject: drm/i915: Warn if trying to poke a VLV backlight on invalid pipe
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~77^2~14^2~104
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23ec0a8835f38c6e43570b54a786e058a9b9a268;p=pandora-kernel.git

drm/i915: Warn if trying to poke a VLV backlight on invalid pipe

VLV/CHV have backlight controls only on pipes A and B. Bail out
without touching registers that don't exist, and print a warning.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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