modify the upper/lower threshold of simple_ondemand governor

Change-Id: Ie7de870f8a22f6a343191257aff4dfdd9195feda
Reviewed-on: https://tp-biosrd-v02/gerrit/83630
Reviewed-by: Jamess Huang(黃以民) <[email protected]>
Tested-by: Jamess Huang(黃以民) <[email protected]>
(cherry picked from commit 3dba983)
Reviewed-on: https://tp-biosrd-v02/gerrit/83631

Author: jamess-huang

drivers/gpu/arm/midgard/backend/gpu/mali_kbase_devfreq.c

@@ -355,8 +355,14 @@ int kbase_devfreq_init(struct kbase_device *kbdev)
 	if (err)
 		return err;
 
+	of_property_read_u32(kbdev->dev->of_node, "upthreshold",
+			     &kbdev->ondemand_data.upthreshold);
+	of_property_read_u32(kbdev->dev->of_node, "downdifferential",
+			     &kbdev->ondemand_data.downdifferential);
+
 	kbdev->devfreq = devfreq_add_device(kbdev->dev, dp,
-				"simple_ondemand", NULL);
+				"simple_ondemand", &kbdev->ondemand_data);
+
 	if (IS_ERR(kbdev->devfreq)) {
 		kbase_devfreq_term_freq_table(kbdev);
 		return PTR_ERR(kbdev->devfreq);

drivers/gpu/arm/midgard/mali_kbase_defs.h

@@ -1093,6 +1093,7 @@ struct kbase_device {
 	unsigned long current_freq;
 	unsigned long current_nominal_freq;
 	unsigned long current_voltage;
+	struct devfreq_simple_ondemand_data ondemand_data;
 	u64 current_core_mask;
 	struct kbase_devfreq_opp *opp_table;
 	int num_opps;