[PATCH v6 05/26] PM / devfreq: rockchip-dfi: dfi store raw values in counter struct

Sascha Hauer s.hauer at pengutronix.de
Thu Jun 15 23:20:40 PDT 2023


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().

Reviewed-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel at collabora.com>
Link: https://lore.kernel.org/r/20230524083153.2046084-6-s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/devfreq/event/rockchip-dfi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
index 6b1ef29df7048..680f629da64fc 100644
--- a/drivers/devfreq/event/rockchip-dfi.c
+++ b/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;
-- 
2.39.2




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