[PATCH v1] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util

[Ye Zhang]

The EM power table is sorted ascending，can't index the table by cooling
device state，so convert cooling state to performance state by
dfc->max_state - dfc->capped_state.

Signed-off-by: Ye Zhang <ye.zhang at rock-chips.com>
---
 drivers/thermal/devfreq_cooling.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index 50dec24e967a..8fd7cf1932cd 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/drivers/thermal/devfreq_cooling.c
@@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
 
 		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
 		if (!res) {
-			state = dfc->capped_state;
+			state = dfc->max_state - dfc->capped_state;
 
 			/* Convert EM power into milli-Watts first */
 			rcu_read_lock();
-- 
2.34.1