IPS driver: apply BIOS provided CPU limit if different from default
The BIOS may hand us a lower CPU power limit than the default for a given SKU. We should use it in case the platform isn't designed to dissapate the full TDP of a given part. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Matthew Garrett <mjg@redhat.com>
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@ -1391,9 +1391,10 @@ static struct ips_mcp_limits *ips_detect_cpu(struct ips_driver *ips)
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tdp = turbo_power & TURBO_TDP_MASK;
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/* Sanity check TDP against CPU */
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if (limits->mcp_power_limit != (tdp / 8) * 1000) {
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dev_warn(&ips->dev->dev, "Warning: CPU TDP doesn't match expected value (found %d, expected %d)\n",
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tdp / 8, limits->mcp_power_limit / 1000);
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if (limits->core_power_limit != (tdp / 8) * 1000) {
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dev_info(&ips->dev->dev, "CPU TDP doesn't match expected value (found %d, expected %d)\n",
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tdp / 8, limits->core_power_limit / 1000);
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limits->core_power_limit = (tdp / 8) * 1000;
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}
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out:
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