Merge remote-tracking branch 'sumit-lts/lts-4.4.y-hikey' into linux-4.4.y4.4.89-rc1-hikey-20170924

1 files changed, 36 insertions, 0 deletions

diff --git a/drivers/gpu/arm/utgard/linux/mali_device_pause_resume.c b/drivers/gpu/arm/utgard/linux/mali_device_pause_resume.c
new file mode 100644
index 000000000000..37076a2eaf67
--- /dev/null
+++ b/drivers/gpu/arm/utgard/linux/mali_device_pause_resume.c
@@ -0,0 +1,36 @@
+/**
+ * Copyright (C) 2010-2015 ARM Limited. All rights reserved.
+ * 
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ * 
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+/**
+ * @file mali_device_pause_resume.c
+ * Implementation of the Mali pause/resume functionality
+ */
+
+#include <linux/module.h>
+#include <linux/mali/mali_utgard.h>
+#include "mali_pm.h"
+
+void mali_dev_pause(void)
+{
+	/*
+	 * Deactive all groups to prevent hardware being touched
+	 * during the period of mali device pausing
+	 */
+	mali_pm_os_suspend(MALI_FALSE);
+}
+
+EXPORT_SYMBOL(mali_dev_pause);
+
+void mali_dev_resume(void)
+{
+	mali_pm_os_resume();
+}
+
+EXPORT_SYMBOL(mali_dev_resume);