[Mesa-dev] [PATCH 6/7] gallium/radeon: Create hole for waste when allocating from va_offset.

Michel Dänzer michel at daenzer.net
Wed Aug 15 08:40:17 PDT 2012


From: Michel Dänzer <michel.daenzer at amd.com>

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

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/gallium/winsys/radeon/drm/radeon_drm_bo.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 731183a..25b346b 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);
-- 
1.7.10.4



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