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drm/i915/dp: set sink to power down mode on dp disable

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We used to put the local sink and any downstream sinks to power down
mode at disable or dpms off using the DPCD SET_POWER register, until
this was broken by

commit e8cb455876
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Sun Jul 1 13:05:48 2012 +0200

    drm/i915/dp: convert to encoder disable/enable

Fix it.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Todd Previte <tprevite@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2013-11-12 17:10:13 +02:00 committed by Daniel Vetter
parent ad40f83f5a
commit fdbc3b1f63
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_dp.c
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@ -1774,7 +1774,7 @@ static void intel_disable_dp(struct intel_encoder *encoder)
* ensure that we have vdd while we switch off the panel. */
ironlake_edp_panel_vdd_on(intel_dp);
ironlake_edp_backlight_off(intel_dp);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
ironlake_edp_panel_off(intel_dp);
/* cpu edp my only be disable _after_ the cpu pipe/plane is disabled. */