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authorSascha Hauer <s.hauer@pengutronix.de>2023-07-04 12:32:21 +0300
committerChanwoo Choi <cw00.choi@samsung.com>2023-10-09 01:28:50 +0300
commit419827409834f4e6602456ae23d4557d541adcbf (patch)
treef5fb9d61b12623fd5c391283ce2dab943afa5f14 /drivers/devfreq
parent559dc2876c0c46850dfed5c2a810d17b259e4bd9 (diff)
downloadlinux-419827409834f4e6602456ae23d4557d541adcbf.tar.xz
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>
Diffstat (limited to 'drivers/devfreq')
-rw-r--r--drivers/devfreq/event/rockchip-dfi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
index 6b1ef29df704..680f629da64f 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;