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drm/i915: properly disable the VDD when disabling the panel

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Commit b3064154df tried to revert commit
dff392dbd2, but wasn't complete, which
resulted in regressions on Haswell. So this commit should fix
b3064154df by undoing what it did and
providing an actual complete revert of
dff392dbd2.

Fixes regression introduced by:
commit b3064154df
Author: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Date:   Tue Mar 4 00:42:44 2014 +0100
    drm/i915: Don't just say it, actually force edp vdd

Testcase: igt/pm_pc8
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni
2014-03-07 20:05:20 -03:00
committed by Daniel Vetter
parent a95f6a0070
commit 849e39f5d7
3 changed files with 8 additions and 3 deletions
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1
drivers/gpu/drm/i915/intel_drv.h
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@@ -767,6 +767,7 @@ void intel_edp_panel_off(struct intel_dp *intel_dp);
void intel_edp_psr_enable(struct intel_dp *intel_dp);
void intel_edp_psr_disable(struct intel_dp *intel_dp);
void intel_edp_psr_update(struct drm_device *dev);
void edp_panel_vdd_on(struct intel_dp *intel_dp);
/* intel_dsi.c */