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authorTero Kristo <tero.kristo@linux.intel.com>2024-05-27 16:29:33 +0300
committerIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2024-05-31 16:28:17 +0300
commitb44d79d6bad16c30978c2cee3421133d3f181494 (patch)
tree44d1c68983cc6ba5408481a7898ac355045f9b78
parent2f9514f005530502452c34295e77bdfb395b5bc6 (diff)
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platform/x86/intel/tpmi: Add support for performance limit reasons
Add TPMI ID 0x0C (Perf Limit Reasons) to the list of supported TPMI IDs. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com> Link: https://lore.kernel.org/r/20240527133400.483634-2-tero.kristo@linux.intel.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-rw-r--r--drivers/platform/x86/intel/tpmi.c2
-rw-r--r--include/linux/intel_tpmi.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c
index 6c0cbccd80bb..c2ef2cd587ba 100644
--- a/drivers/platform/x86/intel/tpmi.c
+++ b/drivers/platform/x86/intel/tpmi.c
@@ -577,6 +577,8 @@ static const char *intel_tpmi_name(enum intel_tpmi_id id)
return "uncore";
case TPMI_ID_SST:
return "sst";
+ case TPMI_ID_PLR:
+ return "plr";
default:
return NULL;
}
diff --git a/include/linux/intel_tpmi.h b/include/linux/intel_tpmi.h
index 1e880cb0f454..a88ac937d2c2 100644
--- a/include/linux/intel_tpmi.h
+++ b/include/linux/intel_tpmi.h
@@ -21,6 +21,7 @@ enum intel_tpmi_id {
TPMI_ID_PEM = 1, /* Power and Perf excursion Monitor */
TPMI_ID_UNCORE = 2, /* Uncore Frequency Scaling */
TPMI_ID_SST = 5, /* Speed Select Technology */
+ TPMI_ID_PLR = 0xc, /* Performance Limit Reasons */
TPMI_CONTROL_ID = 0x80, /* Special ID for getting feature status */
TPMI_INFO_ID = 0x81, /* Special ID for PCI BDF and Package ID information */
};