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drm_mm: add support for range-restricted fair-lru scans

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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Daniel Vetter
2010-09-16 15:13:11 +02:00
committed by Chris Wilson
parent 3cce469cab
commit d935cc61d4
2 changed files with 46 additions and 1 deletions
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7
include/drm/drm_mm.h
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@@ -62,11 +62,14 @@ struct drm_mm {
struct list_head unused_nodes;
int num_unused;
spinlock_t unused_lock;
unsigned int scan_check_range : 1;
unsigned scan_alignment;
unsigned long scan_size;
unsigned long scan_hit_start;
unsigned scan_hit_size;
unsigned scanned_blocks;
unsigned long scan_start;
unsigned long scan_end;
};
/*
@@ -145,6 +148,10 @@ static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
void drm_mm_init_scan(struct drm_mm *mm, unsigned long size,
unsigned alignment);
void drm_mm_init_scan_with_range(struct drm_mm *mm, unsigned long size,
unsigned alignment,
unsigned long start,
unsigned long end);
int drm_mm_scan_add_block(struct drm_mm_node *node);
int drm_mm_scan_remove_block(struct drm_mm_node *node);