minigbm: add a default (*bo_unmap) implementation

[android-x86/external-minigbm.git] / helpers.c

diff --git a/helpers.c b/helpers.c
index 0a09b5a..9d72a6c 100644 (file)
--- a/helpers.c
+++ b/helpers.c
@@ -313,6 +313,11 @@ void *drv_dumb_bo_map(struct bo *bo, struct map_info *data, size_t plane, int pr
        return mmap(0, data->length, prot, MAP_SHARED, bo->drv->fd, map_dumb.offset);
 }
 
+int drv_bo_munmap(struct bo *bo, struct map_info *data)
+{
+       return munmap(data->addr, data->length);
+}
+
 uintptr_t drv_get_reference_count(struct driver *drv, struct bo *bo, size_t plane)
 {
        void *count;