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Commit a8c096ad authored by Tim Gardner's avatar Tim Gardner Committed by Matthew Garrett
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intel_ips: Print MCP limit exceeded values. 



Print some interesting values when MCP limits
are exceeded.

Signed-off-by: default avatarTim Gardner <tim.gardner@canonical.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
parent eceab272

drivers/platform/x86/intel_ips.c

+18 −6
Original line number Diff line number Diff line
@@ -600,17 +600,29 @@ static bool mcp_exceeded(struct ips_driver *ips) 
{

	unsigned long flags;

	bool ret = false;

	u32 temp_limit;

	u32 avg_power;

	const char *msg = "MCP limit exceeded: ";



	spin_lock_irqsave(&ips->turbo_status_lock, flags);

	if (ips->mcp_avg_temp > (ips->mcp_temp_limit * 100))

		ret = true;

	if (ips->cpu_avg_power + ips->mch_avg_power > ips->mcp_power_limit)



	temp_limit = ips->mcp_temp_limit * 100;

	if (ips->mcp_avg_temp > temp_limit) {

		dev_info(&ips->dev->dev,

			"%sAvg temp %u, limit %u\n", msg, ips->mcp_avg_temp,

			temp_limit);

		ret = true;

	spin_unlock_irqrestore(&ips->turbo_status_lock, flags);

	}



	if (ret)

	avg_power = ips->cpu_avg_power + ips->mch_avg_power;

	if (avg_power > ips->mcp_power_limit) {

		dev_info(&ips->dev->dev,

			 "MCP power or thermal limit exceeded\n");

			"%sAvg power %u, limit %u\n", msg, avg_power,

			ips->mcp_power_limit);

		ret = true;

	}



	spin_unlock_irqrestore(&ips->turbo_status_lock, flags);



	return ret;

}