Merge tag 'drm-intel-next-fixes-2015-10-22' of git://anongit.freedesktop.org/drm-intel into drm-next

Bunch of -fixes for 4.4. Well not just, I've left the mmio/register work
from Ville in here since it's low-risk but lots of churn all over.

* tag 'drm-intel-next-fixes-2015-10-22' of git://anongit.freedesktop.org/drm-intel: (23 commits)
  drm/i915: Use round to closest when computing the CEA 1.001 pixel clocks
  drm/i915: Kill the leftover RMW from ivb_sprite_disable()
  drm/i915: restore ggtt double-bind avoidance
  drm/i915/skl: Enable pipe gamma for sprite planes.
  drm/i915/skl+: Enable pipe CSC on cursor planes. (v2)
  MAINTAINERS: add link to the Intel Graphics for Linux web site
  drm/i915: Move skl/bxt gt specific workarounds to ring init
  drm/i915: Drop i915_gem_obj_is_pinned() from set-cache-level
  drm/i915: revert a few more watermark commits
  drm/i915: Remove dev_priv argument from NEEDS_FORCE_WAKE
  drm/i915: Clean up LVDS register handling
  drm/i915: Throw out some useless variables
  drm/i915: Parametrize and fix SWF registers
  drm/i915: s/PIPE_FRMCOUNT_GM45/PIPE_FRMCOUNT_G4X/ etc.
  drm/i915: Turn GEN5_ASSERT_IIR_IS_ZERO() into a function
  drm/i915: Fix a few bad hex numbers in register defines
  drm/i915: Protect register macro arguments
  drm/i915: Include gpio_mmio_base in GMBUS reg defines
  drm/i915: Parametrize HSW video DIP data registers
  drm/i915: Eliminate weird parameter inversion from BXT PPS registers
  ...

1 files changed, 35 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 1ccac618468e..2d9182189422 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -122,12 +122,24 @@ int i915_save_state(struct drm_device *dev)
 	dev_priv->regfile.saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
 
 	/* Scratch space */
-	for (i = 0; i < 16; i++) {
-		dev_priv->regfile.saveSWF0[i] = I915_READ(SWF00 + (i << 2));
-		dev_priv->regfile.saveSWF1[i] = I915_READ(SWF10 + (i << 2));
+	if (IS_GEN2(dev_priv) && IS_MOBILE(dev_priv)) {
+		for (i = 0; i < 7; i++) {
+			dev_priv->regfile.saveSWF0[i] = I915_READ(SWF0(i));
+			dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
+		}
+		for (i = 0; i < 3; i++)
+			dev_priv->regfile.saveSWF3[i] = I915_READ(SWF3(i));
+	} else if (IS_GEN2(dev_priv)) {
+		for (i = 0; i < 7; i++)
+			dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
+	} else if (HAS_GMCH_DISPLAY(dev_priv)) {
+		for (i = 0; i < 16; i++) {
+			dev_priv->regfile.saveSWF0[i] = I915_READ(SWF0(i));
+			dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
+		}
+		for (i = 0; i < 3; i++)
+			dev_priv->regfile.saveSWF3[i] = I915_READ(SWF3(i));
 	}
-	for (i = 0; i < 3; i++)
-		dev_priv->regfile.saveSWF2[i] = I915_READ(SWF30 + (i << 2));
 
 	mutex_unlock(&dev->struct_mutex);
 
@@ -156,12 +168,25 @@ int i915_restore_state(struct drm_device *dev)
 	/* Memory arbitration state */
 	I915_WRITE(MI_ARB_STATE, dev_priv->regfile.saveMI_ARB_STATE | 0xffff0000);
 
-	for (i = 0; i < 16; i++) {
-		I915_WRITE(SWF00 + (i << 2), dev_priv->regfile.saveSWF0[i]);
-		I915_WRITE(SWF10 + (i << 2), dev_priv->regfile.saveSWF1[i]);
+	/* Scratch space */
+	if (IS_GEN2(dev_priv) && IS_MOBILE(dev_priv)) {
+		for (i = 0; i < 7; i++) {
+			I915_WRITE(SWF0(i), dev_priv->regfile.saveSWF0[i]);
+			I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
+		}
+		for (i = 0; i < 3; i++)
+			I915_WRITE(SWF3(i), dev_priv->regfile.saveSWF3[i]);
+	} else if (IS_GEN2(dev_priv)) {
+		for (i = 0; i < 7; i++)
+			I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
+	} else if (HAS_GMCH_DISPLAY(dev_priv)) {
+		for (i = 0; i < 16; i++) {
+			I915_WRITE(SWF0(i), dev_priv->regfile.saveSWF0[i]);
+			I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
+		}
+		for (i = 0; i < 3; i++)
+			I915_WRITE(SWF3(i), dev_priv->regfile.saveSWF3[i]);
 	}
-	for (i = 0; i < 3; i++)
-		I915_WRITE(SWF30 + (i << 2), dev_priv->regfile.saveSWF2[i]);
 
 	mutex_unlock(&dev->struct_mutex);