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Commit c7e20736 authored by Jani Nikula's avatar Jani Nikula Committed by Daniel Vetter
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drm/i915/vlv: don't save panel power sequencer registers on suspend 



Don't save the panel power sequencer register on vlv/chv for two simple
reasons. First, these are the wrong registers to save to begin
with. Second, they are not restored anyway.

Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent c549f738

drivers/gpu/drm/i915/i915_suspend.c

+1 −2
Original line number Diff line number Diff line
@@ -208,7 +208,6 @@ static void i915_save_display(struct drm_device *dev) 
		if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))

			dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS);

	} else if (IS_VALLEYVIEW(dev)) {

		dev_priv->regfile.savePP_CONTROL = I915_READ(PP_CONTROL);

		dev_priv->regfile.savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS);



		dev_priv->regfile.saveBLC_HIST_CTL =
@@ -230,7 +229,7 @@ static void i915_save_display(struct drm_device *dev) 
		dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS);

		dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS);

		dev_priv->regfile.savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR);

	} else {

	} else if (!IS_VALLEYVIEW(dev)) {

		dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS);

		dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS);

		dev_priv->regfile.savePP_DIVISOR = I915_READ(PP_DIVISOR);