Merge master.kernel.org:/home/rmk/linux-2.6-arm

[pandora-kernel.git] / drivers / gpu / drm / i915 / i915_dma.c

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a9f8589..c3cfafc 100644 (file)
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -38,6 +38,7 @@
 #include <linux/acpi.h>
 #include <linux/pnp.h>
 #include <linux/vga_switcheroo.h>
+#include <linux/slab.h>
 
 /* Really want an OS-independent resettable timer.  Would like to have
  * this loop run for (eg) 3 sec, but have the timer reset every time
@@ -1356,6 +1357,8 @@ static void i915_setup_compression(struct drm_device *dev, int size)
 
        dev_priv->cfb_size = size;
 
+       dev_priv->compressed_fb = compressed_fb;
+
        if (IS_GM45(dev)) {
                g4x_disable_fbc(dev);
                I915_WRITE(DPFC_CB_BASE, compressed_fb->start);
@@ -1363,12 +1366,22 @@ static void i915_setup_compression(struct drm_device *dev, int size)
                i8xx_disable_fbc(dev);
                I915_WRITE(FBC_CFB_BASE, cfb_base);
                I915_WRITE(FBC_LL_BASE, ll_base);
+               dev_priv->compressed_llb = compressed_llb;
        }
 
        DRM_DEBUG("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n", cfb_base,
                  ll_base, size >> 20);
 }
 
+static void i915_cleanup_compression(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+
+       drm_mm_put_block(dev_priv->compressed_fb);
+       if (!IS_GM45(dev))
+               drm_mm_put_block(dev_priv->compressed_llb);
+}
+
 /* true = enable decode, false = disable decoder */
 static unsigned int i915_vga_set_decode(void *cookie, bool state)
 {
@@ -1786,6 +1799,8 @@ int i915_driver_unload(struct drm_device *dev)
                mutex_lock(&dev->struct_mutex);
                i915_gem_cleanup_ringbuffer(dev);
                mutex_unlock(&dev->struct_mutex);
+               if (I915_HAS_FBC(dev) && i915_powersave)
+                       i915_cleanup_compression(dev);
                drm_mm_takedown(&dev_priv->vram);
                i915_gem_lastclose(dev);