The important part is the change of the condition to <= 0. Otherwise the loop
gets stuck never actually growing the pool.

The change in the aux-need calculation guarantees max 2 iterations, and
avoids wasting memory in case a smaller item can't fit into a relatively larger
pool.

Signed-off-by: Jan Vesely <jan.ves...@rutgers.edu>
CC: Bruno Jimenez <brunoji...@gmail.com>
---

This fixes hang in gegl colors.xml test

 src/gallium/drivers/r600/compute_memory_pool.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/r600/compute_memory_pool.c 
b/src/gallium/drivers/r600/compute_memory_pool.c
index ec8c470..0b6d2da6 100644
--- a/src/gallium/drivers/r600/compute_memory_pool.c
+++ b/src/gallium/drivers/r600/compute_memory_pool.c
@@ -320,8 +320,11 @@ int compute_memory_finalize_pending(struct 
compute_memory_pool* pool,
                        int64_t need = item->size_in_dw+2048 -
                                                (pool->size_in_dw - allocated);
 
-                       if (need < 0) {
-                               need = pool->size_in_dw / 10;
+                       if (need <= 0) {
+                               /* There's enough free space, but it's too
+                                * fragmented. Assume half of the item can fit
+                                * int the last chunk */
+                               need = (item->size_in_dw / 2) + ITEM_ALIGNMENT;
                        }
 
                        need = align(need, ITEM_ALIGNMENT);
-- 
1.9.3

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