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drm/i915: use the correct register when turning VDD off 

That explains why I was seeing 2 consecutive "Turning eDP VDD off"
messages.

Regression introduced by:
    commit bf13e81b90
    Author: Jani Nikula <jani.nikula@intel.com>
    Date:   Fri Sep 6 07:40:05 2013 +0300
        drm/i915: add support for per-pipe power sequencing on vlv

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2013-10-31 12:44:21 -02:00 committed by Daniel Vetter
parent 1ad577ac6e
commit 9f08ef59a6
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_dp.c
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@ -1125,8 +1125,8 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp)
pp = ironlake_get_pp_control(intel_dp);
pp &= ~EDP_FORCE_VDD;
pp_stat_reg = _pp_ctrl_reg(intel_dp);
pp_ctrl_reg = _pp_stat_reg(intel_dp);
pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
pp_stat_reg = _pp_stat_reg(intel_dp);
I915_WRITE(pp_ctrl_reg, pp);
POSTING_READ(pp_ctrl_reg);