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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-12-07 20:37:06 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-12-18 21:55:25 +0100 |
| commit | b81034506fc9b879cb726feb01342be0cdbe6e25 (patch) | |
| tree | 5fba979473159b2786b77cea622cce9581454760 /drivers/gpu/drm/drm_mm.c | |
| parent | b0a2658acb5bf9ca86b4aab011b7106de3af0add (diff) | |
| download | linux-b81034506fc9b879cb726feb01342be0cdbe6e25.tar.gz linux-b81034506fc9b879cb726feb01342be0cdbe6e25.tar.bz2 linux-b81034506fc9b879cb726feb01342be0cdbe6e25.zip | |
drm: Export routines for inserting preallocated nodes into the mm manager
Required by i915 in order to avoid the allocation in the middle of
manipulating the drm_mm lists.
Use a pair of stubs to preserve the existing EXPORT_SYMBOLs for
backporting; to be removed later.
Cc: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
[danvet: bikeshedded-away the atomic parameter, it's not yet used
anywhere.]
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mm.c | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 0761a03cdbb2..2bf9670ba29b 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -184,19 +184,27 @@ EXPORT_SYMBOL(drm_mm_get_block_generic); * -ENOSPC if no suitable free area is available. The preallocated memory node * must be cleared. */ -int drm_mm_insert_node(struct drm_mm *mm, struct drm_mm_node *node, - unsigned long size, unsigned alignment) +int drm_mm_insert_node_generic(struct drm_mm *mm, struct drm_mm_node *node, + unsigned long size, unsigned alignment, + unsigned long color) { struct drm_mm_node *hole_node; - hole_node = drm_mm_search_free(mm, size, alignment, false); + hole_node = drm_mm_search_free_generic(mm, size, alignment, + color, 0); if (!hole_node) return -ENOSPC; - drm_mm_insert_helper(hole_node, node, size, alignment, 0); - + drm_mm_insert_helper(hole_node, node, size, alignment, color); return 0; } +EXPORT_SYMBOL(drm_mm_insert_node_generic); + +int drm_mm_insert_node(struct drm_mm *mm, struct drm_mm_node *node, + unsigned long size, unsigned alignment) +{ + return drm_mm_insert_node_generic(mm, node, size, alignment, 0); +} EXPORT_SYMBOL(drm_mm_insert_node); static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node, @@ -275,22 +283,31 @@ EXPORT_SYMBOL(drm_mm_get_block_range_generic); * -ENOSPC if no suitable free area is available. This is for range * restricted allocations. The preallocated memory node must be cleared. */ -int drm_mm_insert_node_in_range(struct drm_mm *mm, struct drm_mm_node *node, - unsigned long size, unsigned alignment, - unsigned long start, unsigned long end) +int drm_mm_insert_node_in_range_generic(struct drm_mm *mm, struct drm_mm_node *node, + unsigned long size, unsigned alignment, unsigned long color, + unsigned long start, unsigned long end) { struct drm_mm_node *hole_node; - hole_node = drm_mm_search_free_in_range(mm, size, alignment, - start, end, false); + hole_node = drm_mm_search_free_in_range_generic(mm, + size, alignment, color, + start, end, 0); if (!hole_node) return -ENOSPC; - drm_mm_insert_helper_range(hole_node, node, size, alignment, 0, + drm_mm_insert_helper_range(hole_node, node, + size, alignment, color, start, end); - return 0; } +EXPORT_SYMBOL(drm_mm_insert_node_in_range_generic); + +int drm_mm_insert_node_in_range(struct drm_mm *mm, struct drm_mm_node *node, + unsigned long size, unsigned alignment, + unsigned long start, unsigned long end) +{ + return drm_mm_insert_node_in_range_generic(mm, node, size, alignment, 0, start, end); +} EXPORT_SYMBOL(drm_mm_insert_node_in_range); /** |