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From: Tero Kristo <tero.kristo@linux.intel.com>
To: srinivas.pandruvada@linux.intel.com,
	ilpo.jarvinen@linux.intel.com,
	hdegoede@redhat.com
Cc: linux-kernel@vger.kernel.org,
	platform-driver-x86@vger.kernel.org,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH 6/6] doc: TPMI: Add entry for Performance Limit Reasons
Date: Mon, 27 May 2024 16:29:38 +0300
Message-ID: <20240527133400.483634-7-tero.kristo@linux.intel.com>
In-Reply-To: <20240527133400.483634-1-tero.kristo@linux.intel.com>
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Describe the new 'plr' (Performance Limit Reasons) directory contents under
the main TPMI debugfs folder.

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>
---
 Documentation/ABI/testing/debugfs-tpmi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/ABI/testing/debugfs-tpmi b/Documentation/ABI/testing/debugfs-tpmi
index 597f0475fe6e..4daa9ecd7918 100644
--- a/Documentation/ABI/testing/debugfs-tpmi
+++ b/Documentation/ABI/testing/debugfs-tpmi
@@ -29,3 +29,12 @@ Example:
 echo 0,0x20,0xff > mem_write
 echo 1,64,64 > mem_write
 Users:		Debugging, any user space test suite
+
+What:		/sys/kernel/debug/tpmi-<n>/plr/domain<n>/status
+Date:		Aug 2024
+KernelVersion:	6.11
+Contact:	Tero Kristo <tero.kristo@linux.intel.com>
+Description:
+Shows the currently active Performance Limit Reasons for die level and the
+individual CPUs under the die. The contents of this file are sticky, and
+clearing all the statuses can be done by writing "0\n" to this file.
-- 
2.43.1