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drm/i915: force mode set at lid open time

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Some laptop platforms will disable pipes and/or planes at lid close time
and not restore them when the lid is opened again.  So catch the lid
event, and if the lid was opened, force a mode restore.

Fixes fdo bug #21230.

Acked-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Jesse Barnes
2009-09-10 15:28:03 -07:00
committed by Eric Anholt
parent 7e12715ecc
commit c1c7af6089
4 changed files with 28 additions and 0 deletions
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2
drivers/gpu/drm/i915/intel_display.c
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@ -24,6 +24,8 @@
* Eric Anholt <eric@anholt.net>
*/
#include <linux/module.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
#include "drmP.h"