diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/winsys/radeon/drm/radeon_drm_bo.c | 5 |
1 files changed, 5 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 eb7225b8738..4fd82201418 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c @@ -191,6 +191,11 @@ static void *radeon_bo_map_internal(struct pb_buffer *_buf, /* Map the buffer. */ pipe_mutex_lock(bo->map_mutex); + /* Return the pointer if it's already mapped (in case of a race). */ + if (bo->ptr) { + pipe_mutex_unlock(bo->map_mutex); + return bo->ptr; + } args.handle = bo->handle; args.offset = 0; args.size = (uint64_t)bo->size; |