diff options
| author | Tim Gardner <tim.gardner@canonical.com> | 2010-09-28 22:58:15 +0200 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2010-10-05 20:59:17 +0200 |
| commit | a8c096adbd2b55942ff13c8bbc573a7551768003 (patch) | |
| tree | 086a38b7d983a5428ed8666e822f7b6dd6da7b52 /drivers | |
| parent | IPS driver: verify BIOS provided limits (diff) | |
| download | linux-a8c096adbd2b55942ff13c8bbc573a7551768003.tar.xz linux-a8c096adbd2b55942ff13c8bbc573a7551768003.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/x86/intel_ips.c | 24 |
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; } |