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drm/i915: Register a shrinker to free inactive lists under memory pressure

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This should help GEM handle memory pressure sitatuions more gracefully.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Chris Wilson
2009-09-14 16:50:28 +01:00
committed by Jesse Barnes
parent 725ceaa08a
commit 31169714fc
3 changed files with 159 additions and 0 deletions
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12
drivers/gpu/drm/i915/i915_drv.h
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@@ -368,6 +368,15 @@ typedef struct drm_i915_private {
struct io_mapping *gtt_mapping;
int gtt_mtrr;
/**
* Membership on list of all loaded devices, used to evict
* inactive buffers under memory pressure.
*
* Modifications should only be done whilst holding the
* shrink_list_lock spinlock.
*/
struct list_head shrink_list;
/**
* List of objects currently involved in rendering from the
* ringbuffer.
@@ -741,6 +750,9 @@ int i915_gem_object_get_pages(struct drm_gem_object *obj);
void i915_gem_object_put_pages(struct drm_gem_object *obj);
void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
void i915_gem_shrinker_init(void);
void i915_gem_shrinker_exit(void);
/* i915_gem_tiling.c */
void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);