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From 658058954abccdcbfd432511edf80911e913098e Mon Sep 17 00:00:00 2001
From: Chaudhary Amit Kumar <chaudharyamit.kumar@amd.com>
Date: Mon, 22 Oct 2018 18:15:31 +0530
Subject: [PATCH 4131/4131] RTQA3 Backporting comilation fix for drm change
---
drivers/gpu/drm/drm_syncobj.c | 17 +++++++++++++++++
include/drm/drm_syncobj.h | 5 +++++
2 files changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index 5cd8269..e02eb4b 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -369,6 +369,23 @@ static const struct file_operations drm_syncobj_file_fops = {
.release = drm_syncobj_file_release,
};
+static int drm_syncobj_alloc_file(struct drm_syncobj *syncobj)
+{
+ struct file *file = anon_inode_getfile("syncobj_file",
+ &drm_syncobj_file_fops,
+ syncobj, 0);
+ if (IS_ERR(file))
+ return PTR_ERR(file);
+
+ drm_syncobj_get(syncobj);
+ if (cmpxchg(&syncobj->file, NULL, file)) {
+ /* lost the race */
+ fput(file);
+ }
+
+ return 0;
+}
+
int drm_syncobj_get_fd(struct drm_syncobj *syncobj, int *p_fd)
{
int ret;
diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index 30c452f..ab643fe 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -60,6 +60,11 @@ struct drm_syncobj {
* locks cb_list and write-locks fence.
*/
spinlock_t lock;
+ /**
+ * @file:
+ * a file backing for this syncobj.
+ */
+ struct file *file;
};
typedef void (*drm_syncobj_func_t)(struct drm_syncobj *syncobj,
--
2.7.4
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