drm_mm: add support for range-restricted fair-lru scans
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index bf01531..e391777 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -62,11 +62,14 @@
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 @@
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);