Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / i915_suspend.c

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index d669cc2b42c0ed15f996fb30ace7a31a9e002e30..ce8a21344a71e14add15215c318577fbdb569648 100644 (file)
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -349,6 +349,18 @@ int i915_save_state(struct drm_device *dev)
        for (i = 0; i < 3; i++)
                dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
 
+       /* Fences */
+       if (IS_I965G(dev)) {
+               for (i = 0; i < 16; i++)
+                       dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8));
+       } else {
+               for (i = 0; i < 8; i++)
+                       dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4));
+
+               if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+                       for (i = 0; i < 8; i++)
+                               dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4));
+       }
        i915_save_vga(dev);
 
        return 0;
@@ -371,6 +383,18 @@ int i915_restore_state(struct drm_device *dev)
        /* Display arbitration */
        I915_WRITE(DSPARB, dev_priv->saveDSPARB);
 
+       /* Fences */
+       if (IS_I965G(dev)) {
+               for (i = 0; i < 16; i++)
+                       I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]);
+       } else {
+               for (i = 0; i < 8; i++)
+                       I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]);
+               if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+                       for (i = 0; i < 8; i++)
+                               I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]);
+       }
+
        /* Pipe & plane A info */
        /* Prime the clock */
        if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) {