Gitweb: http://git.kernel.org/linus/20bf377e679208ba9ae0edcb8c70a8f6d33d17f9
Commit: 20bf377e679208ba9ae0edcb8c70a8f6d33d17f9
Parent: c36a2a6de59e4a141a68b7575de837d3b0bd96b3
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
AuthorDate: Wed Apr 21 11:39:22 2010 -0700
Committer: Eric Anholt <eric@anholt.net>
CommitDate: Thu Apr 22 13:19:05 2010 -0700
drm/i915: cleanup FBC buffers at unload time
This keeps the memory manager from complaining when we take it down.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
drivers/gpu/drm/i915/i915_dma.c | 14 ++++++++++++++
drivers/gpu/drm/i915/i915_drv.h | 3 +++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 2dc9393..c3cfafc 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/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/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 051b167..ec192dd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/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 */
--
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