diff options
| -rw-r--r-- | drivers/devfreq/event/rockchip-dfi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c index 0470d7c175f4..54effb635196 100644 --- a/drivers/devfreq/event/rockchip-dfi.c +++ b/drivers/devfreq/event/rockchip-dfi.c @@ -116,6 +116,7 @@ struct rockchip_dfi { int buswidth[DMC_MAX_CHANNELS]; int ddrmon_stride; bool ddrmon_ctrl_single; + unsigned int count_multiplier; /* number of data clocks per count */ }; static int rockchip_dfi_enable(struct rockchip_dfi *dfi) @@ -435,7 +436,7 @@ static u64 rockchip_ddr_perf_event_get_count(struct perf_event *event) switch (event->attr.config) { case PERF_EVENT_CYCLES: - count = total.c[0].clock_cycles; + count = total.c[0].clock_cycles * dfi->count_multiplier; break; case PERF_EVENT_READ_BYTES: for (i = 0; i < dfi->max_channels; i++) @@ -655,6 +656,9 @@ static int rockchip_ddr_perf_init(struct rockchip_dfi *dfi) break; } + if (!dfi->count_multiplier) + dfi->count_multiplier = 1; + ret = perf_pmu_register(pmu, "rockchip_ddr", -1); if (ret) return ret; @@ -751,6 +755,7 @@ static int rk3588_dfi_init(struct rockchip_dfi *dfi) dfi->max_channels = 4; dfi->ddrmon_stride = 0x4000; + dfi->count_multiplier = 2; return 0; }; |