From: Jani Nikula Date: Wed, 12 Nov 2014 15:01:10 +0000 (+0200) Subject: drm/i915: unify remaining register save/restore code a bit X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1c5bb42ce8eb8abf1c16d36368ab99bb32837cd4;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/i915: unify remaining register save/restore code a bit Use the same conditions, group by features, add comments. Signed-off-by: Jani Nikula Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 3c1fccfacac1..dfe661743398 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -203,21 +203,19 @@ static void i915_save_display(struct drm_device *dev) i915_save_display_reg(dev); /* LVDS state */ - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePP_CONTROL = I915_READ(PCH_PP_CONTROL); - 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); - if (IS_MOBILE(dev) && !IS_I830(dev)) - dev_priv->regfile.saveLVDS = I915_READ(LVDS); - } + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) + dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS); + else if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev)) + dev_priv->regfile.saveLVDS = I915_READ(LVDS); + /* Panel power sequencer */ if (HAS_PCH_SPLIT(dev)) { + dev_priv->regfile.savePP_CONTROL = I915_READ(PCH_PP_CONTROL); 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 if (!IS_VALLEYVIEW(dev)) { + dev_priv->regfile.savePP_CONTROL = I915_READ(PP_CONTROL); 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); @@ -246,11 +244,13 @@ static void i915_restore_display(struct drm_device *dev) if (drm_core_check_feature(dev, DRIVER_MODESET)) mask = ~LVDS_PORT_EN; + /* LVDS state */ if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) I915_WRITE(PCH_LVDS, dev_priv->regfile.saveLVDS & mask); else if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev)) I915_WRITE(LVDS, dev_priv->regfile.saveLVDS & mask); + /* Panel power sequencer */ if (HAS_PCH_SPLIT(dev)) { I915_WRITE(PCH_PP_ON_DELAYS, dev_priv->regfile.savePP_ON_DELAYS); I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS);