[Intel-gfx] [PATCH 3/6] drm/i915: don't save/restor ADPA for kms

[Daniel Vetter]

We now no longer rely on this.

This is step 1 on a long journey to rid us of the save/restore
madness, which tends to lightly paper over many issues, and cause
tons of bad things itself ...

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/i915_suspend.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 4776ccf..6e398a8 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -395,6 +395,13 @@ static void i915_save_modeset_reg(struct drm_device *dev)
 		break;
 	}
 
+	/* CRT state */
+	if (HAS_PCH_SPLIT(dev)) {
+		dev_priv->saveADPA = I915_READ(PCH_ADPA);
+	} else {
+		dev_priv->saveADPA = I915_READ(ADPA);
+	}
+
 	return;
 }
 
@@ -601,6 +608,12 @@ static void i915_restore_modeset_reg(struct drm_device *dev)
 	if (IS_GEN2(dev))
 		I915_WRITE(CURSIZE, dev_priv->saveCURSIZE);
 
+	/* CRT state */
+	if (HAS_PCH_SPLIT(dev))
+		I915_WRITE(PCH_ADPA, dev_priv->saveADPA);
+	else
+		I915_WRITE(ADPA, dev_priv->saveADPA);
+
 	return;
 }
 
@@ -615,13 +628,6 @@ static void i915_save_display(struct drm_device *dev)
 	/* Don't save them in KMS mode */
 	i915_save_modeset_reg(dev);
 
-	/* CRT state */
-	if (HAS_PCH_SPLIT(dev)) {
-		dev_priv->saveADPA = I915_READ(PCH_ADPA);
-	} else {
-		dev_priv->saveADPA = I915_READ(ADPA);
-	}
-
 	/* LVDS state */
 	if (HAS_PCH_SPLIT(dev)) {
 		dev_priv->savePP_CONTROL = I915_READ(PCH_PP_CONTROL);
@@ -719,12 +725,6 @@ static void i915_restore_display(struct drm_device *dev)
 	/* Don't restore them in KMS mode */
 	i915_restore_modeset_reg(dev);
 
-	/* CRT state */
-	if (HAS_PCH_SPLIT(dev))
-		I915_WRITE(PCH_ADPA, dev_priv->saveADPA);
-	else
-		I915_WRITE(ADPA, dev_priv->saveADPA);
-
 	/* LVDS state */
 	if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev))
 		I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2);
-- 
1.7.11.2