26 static int slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 freq)  in slpc_set_min_freq()  argument
30 	ret = intel_guc_slpc_set_min_freq(slpc, freq);  in slpc_set_min_freq()
32 		pr_err("Could not set min frequency to [%u]\n", freq);  in slpc_set_min_freq()
39 static int slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 freq)  in slpc_set_max_freq()  argument
43 	ret = intel_guc_slpc_set_max_freq(slpc, freq);  in slpc_set_max_freq()
46 		       freq);  in slpc_set_max_freq()
53 static int slpc_set_freq(struct intel_gt *gt, u32 freq)  in slpc_set_freq()  argument
58 	err = slpc_set_max_freq(slpc, freq);  in slpc_set_freq()
60 		pr_err("Unable to update max freq");  in slpc_set_freq()
64 	err = slpc_set_min_freq(slpc, freq);  in slpc_set_freq()
66 		pr_err("Unable to update min freq");  in slpc_set_freq()
79 		pr_err("Unable to restore max freq");  in slpc_restore_freq()
85 		pr_err("Unable to restore min freq");  in slpc_restore_freq()
91 		pr_err("Unable to restore efficient freq");  in slpc_restore_freq()
98 static u64 slpc_measure_power(struct intel_rps *rps, int *freq)  in slpc_measure_power()  argument
106 	*freq = (*freq + intel_rps_read_actual_frequency(rps)) / 2;  in slpc_measure_power()
113 static u64 measure_power_at_freq(struct intel_gt *gt, int *freq, u64 *power)  in measure_power_at_freq()  argument
117 	err = slpc_set_freq(gt, *freq);  in measure_power_at_freq()
120 	*freq = intel_rps_read_actual_frequency(&gt->rps);  in measure_power_at_freq()
121 	*power = slpc_measure_power(&gt->rps, freq);  in measure_power_at_freq()
144 		/* GuC requests freq in multiples of 50/3 MHz */  in vary_max_freq()
180 		/* GuC requests freq in multiples of 50/3 MHz */  in vary_min_freq()
203 		int freq;  in slpc_power()  member
215 	min.freq = slpc->min_freq;  in slpc_power()
216 	err = measure_power_at_freq(gt, &min.freq, &min.power);  in slpc_power()
221 	max.freq = slpc->rp0_freq;  in slpc_power()
222 	err = measure_power_at_freq(gt, &max.freq, &max.power);  in slpc_power()
229 		min.power, min.freq,  in slpc_power()
230 		max.power, max.freq);  in slpc_power()
232 	if (10 * min.freq >= 9 * max.freq) {  in slpc_power()
234 			  min.freq, max.freq);  in slpc_power()
268 			pr_err("Pcode did not grant max freq\n");  in max_granted_freq()
301 		pr_err("Could not get SLPC max freq\n");  in run_test()
306 		pr_err("Could not get SLPC min freq\n");  in run_test()
316 		pr_err("Unable to update min freq!");  in run_test()
325 		pr_err("Unable to turn off efficient freq!");  in run_test()
395 				pr_err("Actual freq did not rise above min\n");  in run_test()