drm/i915: be less verbose about inability to provide vendor backlight
authorJani Nikula <jani.nikula@intel.com>
Thu, 25 Oct 2012 07:57:38 +0000 (10:57 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 26 Oct 2012 15:44:29 +0000 (17:44 +0200)
commite86b618547bb0c7db96aa70491112f032b3bec1c
treeb8fd405cc5ea13144e4f6e719499f5dff8ec9cf0
parentb6e0e543f75729f207b9c72b0162ae61170635b2
drm/i915: be less verbose about inability to provide vendor backlight

commit 28dcc2d60cb570d9f549c329b2f51400553412a1
Author: Jani Nikula <jani.nikula@intel.com>
Date:   Mon Sep 3 16:25:12 2012 +0300

    drm/i915: do not expose a dysfunctional backlight interface to userspace

prevents backlight interface creation if the BIOS has not set the backlight
PWM CTL registers that contain the max PWM value. It's apparently normal on
those machines, so demote the message about it to debug level.

Reported-by: Orion Poplawski <orion@cora.nwra.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=56330
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_panel.c