drm/i915: don't change VDD AUX status in panel power functions

Mode set sequence outlines when the AUX VDD bit should be set and
cleared, and it's separate from the panel power sequence.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index effbbe0..153a593 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -783,7 +783,7 @@
 		DRM_ERROR("panel on wait timed out: 0x%08x\n",
 			  I915_READ(PCH_PP_STATUS));
 
-	pp &= ~(PANEL_UNLOCK_REGS | EDP_FORCE_VDD);
+	pp &= ~(PANEL_UNLOCK_REGS);
 	pp |= PANEL_POWER_RESET; /* restore panel reset bit */
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
@@ -811,7 +811,7 @@
 			  I915_READ(PCH_PP_STATUS));
 
 	/* Make sure VDD is enabled so DP AUX will work */
-	pp |= EDP_FORCE_VDD | PANEL_POWER_RESET; /* restore panel reset bit */
+	pp |= PANEL_POWER_RESET; /* restore panel reset bit */
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
 }