[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
More information about the linux-arm-kernel
mailing list