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https://github.com/torvalds/linux
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Tip revision: 754e0b0e35608ed5206d6a67a791563c631cec07 authored by Linus Torvalds on 13 February 2022, 20:13:30 UTC
Linux 5.17-rc4
Tip revision: 754e0b0
driver-misc.rst
================================
 Misc AMDGPU driver information
================================

GPU Product Information
=======================

Information about the GPU can be obtained on certain cards
via sysfs

product_name
------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
   :doc: product_name

product_number
--------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
   :doc: product_name

serial_number
-------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
   :doc: serial_number

unique_id
---------

.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
   :doc: unique_id

GPU Memory Usage Information
============================

Various memory accounting can be accessed via sysfs

mem_info_vram_total
-------------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
   :doc: mem_info_vram_total

mem_info_vram_used
------------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
   :doc: mem_info_vram_used

mem_info_vis_vram_total
-----------------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
   :doc: mem_info_vis_vram_total

mem_info_vis_vram_used
----------------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
   :doc: mem_info_vis_vram_used

mem_info_gtt_total
------------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
   :doc: mem_info_gtt_total

mem_info_gtt_used
-----------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
   :doc: mem_info_gtt_used

PCIe Accounting Information
===========================

pcie_bw
-------

.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
   :doc: pcie_bw

pcie_replay_count
-----------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
   :doc: pcie_replay_count

GPU SmartShift Information
==========================

GPU SmartShift information via sysfs

smartshift_apu_power
--------------------

.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
   :doc: smartshift_apu_power

smartshift_dgpu_power
---------------------

.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
   :doc: smartshift_dgpu_power

smartshift_bias
---------------

.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
   :doc: smartshift_bias
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