From 83ca50dfa08beda2cfea18f0c597609b3c6c2207 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Wed, 21 Apr 2010 11:39:22 -0700
Subject: [PATCH] --- yaml --- r: 190149 b: refs/heads/master c:
 20bf377e679208ba9ae0edcb8c70a8f6d33d17f9 h: refs/heads/master i:   190147:
 37af5de15be9c222a1c1aaa505715f541ed63af5 v: v3

---
 [refs]                                |  2 +-
 trunk/drivers/gpu/drm/i915/i915_dma.c | 14 ++++++++++++++
 trunk/drivers/gpu/drm/i915/i915_drv.h |  3 +++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index a34a669063df..ccb39e247adf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c36a2a6de59e4a141a68b7575de837d3b0bd96b3
+refs/heads/master: 20bf377e679208ba9ae0edcb8c70a8f6d33d17f9
diff --git a/trunk/drivers/gpu/drm/i915/i915_dma.c b/trunk/drivers/gpu/drm/i915/i915_dma.c
index 2dc93939507d..c3cfafcbfe7d 100644
--- a/trunk/drivers/gpu/drm/i915/i915_dma.c
+++ b/trunk/drivers/gpu/drm/i915/i915_dma.c
@@ -1357,6 +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);
@@ -1364,12 +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)
 {
@@ -1787,6 +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);
 
diff --git a/trunk/drivers/gpu/drm/i915/i915_drv.h b/trunk/drivers/gpu/drm/i915/i915_drv.h
index 051b167e60ac..ec192ddc93ec 100644
--- a/trunk/drivers/gpu/drm/i915/i915_drv.h
+++ b/trunk/drivers/gpu/drm/i915/i915_drv.h
@@ -631,6 +631,9 @@ typedef struct drm_i915_private {
 	u8 max_delay;
 
 	enum no_fbc_reason no_fbc_reason;
+
+	struct drm_mm_node *compressed_fb;
+	struct drm_mm_node *compressed_llb;
 } drm_i915_private_t;
 
 /** driver private structure attached to each drm_gem_object */