intel_ips: Print MCP limit exceeded values.

Print some interesting values when MCP limits
are exceeded.

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index c402cc4..07a1a4a 100644 (file)
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -600,17 +600,29 @@ static bool mcp_exceeded(struct ips_driver *ips)
 {
        unsigned long flags;
        bool ret = false;
 {
        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);
 
        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;
                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,
                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;
 }
 
        return ret;
 }