From: Michel Dänzer <michel.daen...@amd.com>
If a hole exactly matches the allocated size plus alignment, we would fail to
preserve the alignment as a hole. This would result in never being able to use
the alignment area for an allocation again.
Signed-off-by: Michel Dänzer <michel.daen...@amd.com>
---
src/gallium/winsys/radeon/drm/radeon_drm_bo.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 47bbcb8..e2d990a 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -221,7 +221,7 @@ static uint64_t radeon_bomgr_find_va(struct radeon_bomgr
*mgr, uint64_t size, ui
pipe_mutex_unlock(mgr->bo_va_mutex);
return offset;
}
- if ((hole->size - waste) >= size) {
+ if ((hole->size - waste) > size) {
if (waste) {
n = CALLOC_STRUCT(radeon_bo_va_hole);
n->size = waste;
@@ -233,6 +233,11 @@ static uint64_t radeon_bomgr_find_va(struct radeon_bomgr
*mgr, uint64_t size, ui
pipe_mutex_unlock(mgr->bo_va_mutex);
return offset;
}
+ if ((hole->size - waste) == size) {
+ hole->size = waste;
+ pipe_mutex_unlock(mgr->bo_va_mutex);
+ return offset;
+ }
}
offset = mgr->va_offset;
--
1.7.10
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