[PATCH 3/4] Documentation/gpu: Document GFXOFF's count and residency

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Add documentation explaining those two new files.

Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxx>
---
 Documentation/gpu/amdgpu/thermal.rst | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/gpu/amdgpu/thermal.rst b/Documentation/gpu/amdgpu/thermal.rst
index 997231b6adcf..c31f94c6c681 100644
--- a/Documentation/gpu/amdgpu/thermal.rst
+++ b/Documentation/gpu/amdgpu/thermal.rst
@@ -104,3 +104,17 @@ Read it to check current GFXOFF's status of a GPU::
 If GFXOFF is enabled, the value will be transitioning around [0, 3], always
 getting into 0 when possible. When it's disabled, it's always at 2. Returns
 ``-EINVAL`` if it's not supported.
+
+``amdgpu_gfxoff_count``
+-----------------------
+
+Read it to get the total GFXOFF entry count at the time of query since system
+power-up. *Only supported in vangogh*
+
+``amdgpu_gfxoff_residency``
+---------------------------
+
+Write 1 to amdgpu_gfxoff_residency to start logging, and 0 to stop. Read it to
+get average GFXOFF residency % multiplied by 100 during the last logging
+interval. E.g. a value of 7854 means 78.54% of the time in the last logging
+interval the GPU was in GFXOFF mode. *Only supported in vangogh*
-- 
2.37.1




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