diff options
Diffstat (limited to 'gralloc_drm.c')
| -rw-r--r-- | gralloc_drm.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/gralloc_drm.c b/gralloc_drm.c index ca069f1..63b5217 100644 --- a/gralloc_drm.c +++ b/gralloc_drm.c @@ -236,7 +236,7 @@ int gralloc_drm_handle_unregister(buffer_handle_t handle) return -EINVAL; if (bo->imported) - gralloc_drm_bo_destroy(bo); + gralloc_drm_bo_decref(bo); return 0; } @@ -288,6 +288,8 @@ struct gralloc_drm_bo_t *gralloc_drm_bo_create(struct gralloc_drm_t *drm, bo->drm = drm; bo->imported = 0; bo->handle = handle; + bo->fb_id = 0; + bo->refcount = 1; handle->data_owner = gralloc_drm_get_pid(); handle->data = (int) bo; @@ -298,11 +300,17 @@ struct gralloc_drm_bo_t *gralloc_drm_bo_create(struct gralloc_drm_t *drm, /* * Destroy a bo. */ -void gralloc_drm_bo_destroy(struct gralloc_drm_bo_t *bo) +static void gralloc_drm_bo_destroy(struct gralloc_drm_bo_t *bo) { struct gralloc_drm_handle_t *handle = bo->handle; int imported = bo->imported; + /* gralloc still has a reference */ + if (bo->refcount) + return; + + gralloc_drm_bo_rm_fb(bo); + bo->drm->drv->free(bo->drm->drv, bo); if (imported) { handle->data_owner = 0; @@ -314,6 +322,15 @@ void gralloc_drm_bo_destroy(struct gralloc_drm_bo_t *bo) } /* + * Decrease refcount, if no refs anymore then destroy. + */ +void gralloc_drm_bo_decref(struct gralloc_drm_bo_t *bo) +{ + if (!--bo->refcount) + gralloc_drm_bo_destroy(bo); +} + +/* * Return the bo of a registered handle. */ struct gralloc_drm_bo_t *gralloc_drm_bo_from_handle(buffer_handle_t handle) |