Add samsung specific changes

include/linux/msm_sysstats.h

@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _MSM_SYSSTATS_H_
+#define _MSM_SYSSTATS_H_
+
+#include <uapi/linux/msm_sysstats.h>
+
+#if IS_ENABLED(CONFIG_MSM_SYSSTATS)
+extern void sysstats_register_kgsl_stats_cb(u64 (*cb)(pid_t pid));
+extern void sysstats_unregister_kgsl_stats_cb(void);
+#else
+static inline void sysstats_register_kgsl_stats_cb(u64 (*cb)(pid_t pid))
+{
+}
+static inline void sysstats_unregister_kgsl_stats_cb(void)
+{
+}
+#endif
+#endif /* _MSM_SYSSTATS_H_ */
+