From 102d6dba306c825cd5c310f73868b130931f47aa Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Date: Tue, 9 Apr 2013 09:18:44 +0200
Subject: drm: add unpin function to prime helpers
Prevents buffers from being pinned forever.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
include/drm/drmP.h | 1 +
1 file changed, 1 insertion(+)
(limited to 'include')
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index b06f5afe10ce..57f60a743da0 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -930,6 +930,7 @@ struct drm_driver {
struct dma_buf *dma_buf);
/* low-level interface used by drm_gem_prime_{import,export} */
int (*gem_prime_pin)(struct drm_gem_object *obj);
+ void (*gem_prime_unpin)(struct drm_gem_object *obj);
struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj);
struct drm_gem_object *(*gem_prime_import_sg_table)(
struct drm_device *dev, size_t size,
--
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