PM / devfreq: rockchip-dfi: dfi store raw values in counter struct

When adding perf support to the DFI driver the perf part will
need the raw counter values, so move the fixed * 4 factor to
rockchip_dfi_get_event().

Link: https://lore.kernel.org/lkml/20230704093242.583575-6-s.hauer@pengutronix.de/Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

drivers/devfreq/event/rockchip-dfi.c

@@ -97,7 +97,7 @@ static int rockchip_dfi_get_busier_ch(struct devfreq_event_dev *edev)
 	/* Find out which channel is busier */
 	for (i = 0; i < RK3399_DMC_NUM_CH; i++) {
 		dfi->ch_usage[i].access = readl_relaxed(dfi_regs +
-				DDRMON_CH0_DFI_ACCESS_NUM + i * 20) * 4;
+				DDRMON_CH0_DFI_ACCESS_NUM + i * 20);
 		dfi->ch_usage[i].total = readl_relaxed(dfi_regs +
 				DDRMON_CH0_COUNT_NUM + i * 20);
 		tmp = dfi->ch_usage[i].access;
@@ -149,7 +149,7 @@ static int rockchip_dfi_get_event(struct devfreq_event_dev *edev,
 
 	busier_ch = rockchip_dfi_get_busier_ch(edev);
 
-	edata->load_count = dfi->ch_usage[busier_ch].access;
+	edata->load_count = dfi->ch_usage[busier_ch].access * 4;
 	edata->total_count = dfi->ch_usage[busier_ch].total;
 
 	return 0;