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| author | Chris Wilson | 2011-01-11 18:06:04 +0100 |
|---|---|---|
| committer | Chris Wilson | 2011-01-11 21:27:04 +0100 |
| commit | 47356eb67285014527a5ab87543ba1fae3d1e10a (patch) | |
| tree | 99281f2efc166c00930060dfa80d1af47509e2c8 /drivers/gpu/drm/i915/intel_drv.h | |
| parent | drm/i915/sdvo: Defer detection of output capabilities until probing (diff) | |
| download | kernel-qcow2-linux-47356eb67285014527a5ab87543ba1fae3d1e10a.tar.gz kernel-qcow2-linux-47356eb67285014527a5ab87543ba1fae3d1e10a.tar.xz kernel-qcow2-linux-47356eb67285014527a5ab87543ba1fae3d1e10a.zip | |
drm/i915/panel: Only record the backlight level when it is enabled
By tracking the current status of the backlight we can prevent recording
the value of the current backlight when we have disabled it. And so
prevent restoring it to 'off' after an unbalanced sequence of
intel_lvds_disable/enable.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=22672
Tested-by: Alex Riesen <raa.lkml@gmail.com>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Diffstat (limited to 'drivers/gpu/drm/i915/intel_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index d782ad9fd6db..74db2557d644 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -257,6 +257,9 @@ extern void intel_pch_panel_fitting(struct drm_device *dev, extern u32 intel_panel_get_max_backlight(struct drm_device *dev); extern u32 intel_panel_get_backlight(struct drm_device *dev); extern void intel_panel_set_backlight(struct drm_device *dev, u32 level); +extern void intel_panel_setup_backlight(struct drm_device *dev); +extern void intel_panel_enable_backlight(struct drm_device *dev); +extern void intel_panel_disable_backlight(struct drm_device *dev); extern void intel_crtc_load_lut(struct drm_crtc *crtc); extern void intel_encoder_prepare (struct drm_encoder *encoder); |