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>

1 files changed, 18 insertions, 6 deletions

diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index c402cc417108..07a1a4aac609 100644
--- 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;
+        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;
 }