cpufreq: amd-pstate: Fix min_perf assignment in amd_pstate_adjust_perf()

In the function amd_pstate_adjust_perf(), the 'min_perf' variable is set
to 'highest_perf' instead of 'lowest_perf'.

Fixes: 1d215f0 ("cpufreq: amd-pstate: Add fast switch function for AMD P-State")
Reported-by: Oleksandr Natalenko <[email protected]>
Reviewed-by: Perry Yuan <[email protected]>
Signed-off-by: Tor Vic <[email protected]>
Reviewed-by: Mario Limonciello <[email protected]>
Cc: 6.1+ <[email protected]> # 6.1+
Signed-off-by: Rafael J. Wysocki <[email protected]>

Author: torvic9

drivers/cpufreq/amd-pstate.c

@@ -577,7 +577,7 @@ static void amd_pstate_adjust_perf(unsigned int cpu,
 	if (target_perf < capacity)
 		des_perf = DIV_ROUND_UP(cap_perf * target_perf, capacity);
 
-	min_perf = READ_ONCE(cpudata->highest_perf);
+	min_perf = READ_ONCE(cpudata->lowest_perf);
 	if (_min_perf < capacity)
 		min_perf = DIV_ROUND_UP(cap_perf * _min_perf, capacity);