panfrost: Move panfrost_bo_{reference,unreference}() to pan_bo.c

This way we have all BO related functions placed in the same source
file.

Signed-off-by: Boris Brezillon <[email protected]>
Reviewed-by: Alyssa Rosenzweig <[email protected]>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/gallium/drivers/panfrost/pan_bo.c b/src/gallium/drivers/panfrost/pan_bo.c
index 22476f09566..9b0e8d943b4 100644
--- a/src/gallium/drivers/panfrost/pan_bo.c
+++ b/src/gallium/drivers/panfrost/pan_bo.c
@@ -29,6 +29,7 @@
 #include <pthread.h>
 #include "drm-uapi/panfrost_drm.h"
 
+#include "pan_resource.h"
 #include "pan_screen.h"
 #include "pan_util.h"
 #include "pandecode/decode.h"
@@ -319,6 +320,25 @@ panfrost_bo_release(struct panfrost_screen *screen, struct panfrost_bo *bo,
         ralloc_free(bo);
 }
 
+void
+panfrost_bo_reference(struct panfrost_bo *bo)
+{
+        if (bo)
+                pipe_reference(NULL, &bo->reference);
+}
+
+void
+panfrost_bo_unreference(struct pipe_screen *screen, struct panfrost_bo *bo)
+{
+        if (!bo)
+                return;
+
+        /* When the reference count goes to zero, we need to cleanup */
+
+        if (pipe_reference(&bo->reference, NULL))
+                panfrost_bo_release(pan_screen(screen), bo, true);
+}
+
 struct panfrost_bo *
 panfrost_bo_import(struct panfrost_screen *screen, int fd)
 {