Mesa (master): gallium/radeon: Create hole for waste when allocating from va_offset.

[Michel Dänzer]

Module: Mesa
Branch: master
Commit: a60be05284399202c7a5a7aaf4d1f8f0626aee80
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a60be05284399202c7a5a7aaf4d1f8f0626aee80

Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Wed Aug 15 15:48:34 2012 +0200

gallium/radeon: Create hole for waste when allocating from va_offset.

Otherwise, the wasted area could never be used for an allocation again.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

---

 src/gallium/winsys/radeon/drm/radeon_drm_bo.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 79355af..9bddcd3 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -246,6 +246,12 @@ static uint64_t radeon_bomgr_find_va(struct radeon_bomgr *mgr, uint64_t size, ui
         waste = offset % alignment;
         waste = waste ? alignment - waste : 0;
     }
+    if (waste) {
+        n = CALLOC_STRUCT(radeon_bo_va_hole);
+        n->size = waste;
+        n->offset = offset;
+        list_add(&n->list, &mgr->va_holes);
+    }
     offset += waste;
     mgr->va_offset += size + waste;
     pipe_mutex_unlock(mgr->bo_va_mutex);