r600g/compute: Quick exit if there's nothing to add to the pool

This way we can avoid defragmenting the pool, even if it is needed
to defragment it, and looping again through the list of unallocated
items.

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

diff --git a/src/gallium/drivers/r600/compute_memory_pool.c b/src/gallium/drivers/r600/compute_memory_pool.c
index b158f5e36bee963cef2017c892278816c16b5c4c..75a8bd30dd750c0f944ef7162942e95540abd46a 100644 (file)
--- a/src/gallium/drivers/r600/compute_memory_pool.c
+++ b/src/gallium/drivers/r600/compute_memory_pool.c
@@ -262,6 +262,10 @@ int compute_memory_finalize_pending(struct compute_memory_pool* pool,
                        unallocated += align(item->size_in_dw, ITEM_ALIGNMENT);
        }
 
+       if (unallocated == 0) {
+               return 0;
+       }
+
        if (pool->status & POOL_FRAGMENTED) {
                compute_memory_defrag(pool, pipe);
        }