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drm/i915: cleanup FBC buffers at unload time

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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>
This commit is contained in:
Jesse Barnes 2010-04-21 11:39:22 -07:00 committed by Eric Anholt
parent c36a2a6de5
commit 20bf377e67
2 changed files with 17 additions and 0 deletions
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14
drivers/gpu/drm/i915/i915_dma.c
View File

@ -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);

3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -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 */