1 files changed, 100 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/platform/devicetree/mali_kbase_runtime_pm.c b/driver/product/kernel/drivers/gpu/arm/midgard/platform/devicetree/mali_kbase_runtime_pm.c
new file mode 100755
index 0000000..aa4376a
--- /dev/null
+++ b/driver/product/kernel/drivers/gpu/arm/midgard/platform/devicetree/mali_kbase_runtime_pm.c
@@ -0,0 +1,100 @@
+/*
+ *
+ * (C) COPYRIGHT 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.
+ *
+ */
+
+
+
+#include <mali_kbase.h>
+#include <mali_kbase_defs.h>
+#include <linux/pm_runtime.h>
+#include <linux/suspend.h>
+
+static int pm_callback_power_on(struct kbase_device *kbdev)
+{
+	int ret;
+
+	dev_dbg(kbdev->dev, "pm_callback_power_on %p\n",
+			(void *)kbdev->dev->pm_domain);
+
+	ret = pm_runtime_get_sync(kbdev->dev);
+
+	dev_dbg(kbdev->dev, "pm_runtime_get returned %d\n", ret);
+
+	return 1;
+}
+
+static void pm_callback_power_off(struct kbase_device *kbdev)
+{
+	dev_dbg(kbdev->dev, "pm_callback_power_off\n");
+
+	pm_runtime_put_autosuspend(kbdev->dev);
+}
+
+int kbase_device_runtime_init(struct kbase_device *kbdev)
+{
+	dev_dbg(kbdev->dev, "kbase_device_runtime_init\n");
+	pm_runtime_enable(kbdev->dev);
+
+	return 0;
+}
+
+void kbase_device_runtime_disable(struct kbase_device *kbdev)
+{
+	dev_dbg(kbdev->dev, "kbase_device_runtime_disable\n");
+	pm_runtime_disable(kbdev->dev);
+}
+
+static int pm_callback_runtime_on(struct kbase_device *kbdev)
+{
+	dev_dbg(kbdev->dev, "pm_callback_runtime_on\n");
+
+	return 0;
+}
+
+static void pm_callback_runtime_off(struct kbase_device *kbdev)
+{
+	dev_dbg(kbdev->dev, "pm_callback_runtime_off\n");
+}
+
+static void pm_callback_resume(struct kbase_device *kbdev)
+{
+	int ret = pm_callback_runtime_on(kbdev);
+
+	WARN_ON(ret);
+}
+
+static void pm_callback_suspend(struct kbase_device *kbdev)
+{
+	pm_callback_runtime_off(kbdev);
+}
+
+struct kbase_pm_callback_conf pm_callbacks = {
+	.power_on_callback = pm_callback_power_on,
+	.power_off_callback = pm_callback_power_off,
+	.power_suspend_callback = pm_callback_suspend,
+	.power_resume_callback = pm_callback_resume,
+#ifdef KBASE_PM_RUNTIME
+	.power_runtime_init_callback = kbase_device_runtime_init,
+	.power_runtime_term_callback = kbase_device_runtime_disable,
+	.power_runtime_on_callback = pm_callback_runtime_on,
+	.power_runtime_off_callback = pm_callback_runtime_off,
+#else				/* KBASE_PM_RUNTIME */
+	.power_runtime_init_callback = NULL,
+	.power_runtime_term_callback = NULL,
+	.power_runtime_on_callback = NULL,
+	.power_runtime_off_callback = NULL,
+#endif				/* KBASE_PM_RUNTIME */
+};
+
+