platform/x86/intel_ips.c

245 /* Per-SKU limits */
320 	struct ips_mcp_limits *limits;
399  * as low as the platform limits will allow (though we could go lower there
589  * mcp_exceeded - check whether we're outside our thermal & power limits
619  * cpu_exceeded - check whether a CPU core is outside its limits
635 	if (avg > (ips->limits->core_temp_limit * 100))
661 	if (ips->mch_avg_temp > (ips->limits->mch_temp_limit * 100))
671  * verify_limits - verify BIOS provided limits
674  * BIOS can optionally provide non-default limits for power and temp.  Check
680 	if (ips->mcp_power_limit < ips->limits->mcp_power_limit ||
682 		ips->mcp_power_limit = ips->limits->mcp_power_limit;
684 	if (ips->mcp_temp_limit < ips->limits->core_temp_limit ||
685 	    ips->mcp_temp_limit < ips->limits->mch_temp_limit ||
687 		ips->mcp_temp_limit = min(ips->limits->core_temp_limit,
688 					  ips->limits->mch_temp_limit);
692  * update_turbo_limits - get various limits & settings from regs
695  * Update the IPS power & temp limits, along with turbo enable flags,
1189 /* Expose current state and limits in debugfs if possible */
1277  * return the limits for it.
1284 	struct ips_mcp_limits *limits = NULL;
1304 		limits = &ips_sv_limits;
1306 		limits = &ips_lv_limits;
1308 		limits = &ips_ulv_limits;
1318 	if (limits->core_power_limit != (tdp / 8) * 1000) {
1321 			 tdp / 8, limits->core_power_limit / 1000);
1322 		limits->core_power_limit = (tdp / 8) * 1000;
1325 	return limits;
1335  * thermal and power limits in the MCP.
1440 	ips->limits = ips_detect_cpu(ips);
1441 	if (!ips->limits) {
1482 	/* BIOS may update limits at runtime */
1530 	/* Save turbo limits & ratios */