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[0461/1094] drm/i915: properly disable the VDD when disabling the panel

Message ID 1413889294-31328-462-git-send-email-dheerajx.s.jamwal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dheeraj Jamwal Oct. 21, 2014, 10:51 a.m. UTC 
From: Paulo Zanoni <paulo.r.zanoni@intel.com>

Commit b3064154dfd37deb386b1e459c54e1ca2460b3d5 tried to revert commit
dff392dbd258381a6c3164f38420593f2d291e3b, but wasn't complete, which
resulted in regressions on Haswell. So this commit should fix
b3064154dfd37deb386b1e459c54e1ca2460b3d5 by undoing what it did and
providing an actual complete revert of
dff392dbd258381a6c3164f38420593f2d291e3b.

Fixes regression introduced by:
commit b3064154dfd37deb386b1e459c54e1ca2460b3d5
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>
(cherry picked from commit 849e39f5d7e52eb44d37bbd5ce695f7cdcbe923c)

Signed-off-by: Dheeraj Jamwal <dheerajx.s.jamwal@intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c |    1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 26857aa..0dac7b7 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1886,7 +1886,6 @@  static void intel_disable_dp(struct intel_encoder *encoder)
 	intel_edp_backlight_off(intel_dp);
 	intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
 	intel_edp_panel_off(intel_dp);
-	edp_panel_vdd_off(intel_dp, true);
 
 	/* cpu edp my only be disable _after_ the cpu pipe/plane is disabled. */
 	if (!(port == PORT_A || IS_VALLEYVIEW(dev)))