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drm/ttm: introduce utility function to free an allocated memory node

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Existing core code/drivers call drm_mm_put_block on ttm_mem_reg.mm_node
directly.  Future patches will modify TTM behaviour in such a way that
ttm_mem_reg.mm_node doesn't necessarily belong to drm_mm.

Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Thomas Hellström <thellstrom@vmware.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2010-08-04 12:07:08 +10:00
parent a845fff841
commit 42311ff90d
5 changed files with 24 additions and 47 deletions
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9
drivers/gpu/drm/ttm/ttm_bo_util.c
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@@ -39,14 +39,7 @@
void ttm_bo_free_old_node(struct ttm_buffer_object *bo)
{
struct ttm_mem_reg *old_mem = &bo->mem;
if (old_mem->mm_node) {
spin_lock(&bo->glob->lru_lock);
drm_mm_put_block(old_mem->mm_node);
spin_unlock(&bo->glob->lru_lock);
}
old_mem->mm_node = NULL;
ttm_bo_mem_put(bo, &bo->mem);
}
int ttm_bo_move_ttm(struct ttm_buffer_object *bo,