--- zzzz-none-000/linux-3.10.107/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c	2021-02-04 17:41:59.000000000 +0000
@@ -13,14 +13,14 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/platform_device.h>
-#ifdef CONFIG_PM_RUNTIME
 #include <linux/pm_runtime.h>
-#endif
 #include "s5p_mfc_common.h"
 #include "s5p_mfc_debug.h"
 #include "s5p_mfc_pm.h"
 
 #define MFC_GATE_CLK_NAME	"mfc"
+#define MFC_SCLK_NAME		"sclk_mfc"
+#define MFC_SCLK_RATE		(200 * 1000000)
 
 #define CLK_DEBUG
 
@@ -50,8 +50,22 @@
 		goto err_p_ip_clk;
 	}
 
+	if (dev->variant->version != MFC_VERSION_V6) {
+		pm->clock = clk_get(&dev->plat_dev->dev, MFC_SCLK_NAME);
+		if (IS_ERR(pm->clock)) {
+			mfc_info("Failed to get MFC special clock control\n");
+		} else {
+			clk_set_rate(pm->clock, MFC_SCLK_RATE);
+			ret = clk_prepare_enable(pm->clock);
+			if (ret) {
+				mfc_err("Failed to enable MFC special clock\n");
+				goto err_s_clk;
+			}
+		}
+	}
+
 	atomic_set(&pm->power, 0);
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 	pm->device = &dev->plat_dev->dev;
 	pm_runtime_enable(pm->device);
 #endif
@@ -59,6 +73,9 @@
 	atomic_set(&clk_ref, 0);
 #endif
 	return 0;
+
+err_s_clk:
+	clk_put(pm->clock);
 err_p_ip_clk:
 	clk_put(pm->clock_gate);
 err_g_ip_clk:
@@ -67,9 +84,14 @@
 
 void s5p_mfc_final_pm(struct s5p_mfc_dev *dev)
 {
+	if (dev->variant->version != MFC_VERSION_V6 &&
+	    pm->clock) {
+		clk_disable_unprepare(pm->clock);
+		clk_put(pm->clock);
+	}
 	clk_unprepare(pm->clock_gate);
 	clk_put(pm->clock_gate);
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 	pm_runtime_disable(pm->device);
 #endif
 }
@@ -96,7 +118,7 @@
 
 int s5p_mfc_power_on(void)
 {
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 	return pm_runtime_get_sync(pm->device);
 #else
 	atomic_set(&pm->power, 1);
@@ -106,7 +128,7 @@
 
 int s5p_mfc_power_off(void)
 {
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 	return pm_runtime_put_sync(pm->device);
 #else
 	atomic_set(&pm->power, 0);