Use the same conditions, group by features, add comments.
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_suspend.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
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);
--
2.1.1
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