Staging
v0.8.1
v0.8.1
https://github.com/torvalds/linux
Tip revision: 58720809f52779dc0f08e53e54b014209d13eebb authored by Linus Torvalds on 15 October 2023, 20:34:39 UTC
Linux 6.6-rc6
Linux 6.6-rc6
Tip revision: 5872080
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_fru_eeprom.c
:doc: product_name
product_number
--------------
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
:doc: product_number
serial_number
-------------
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
:doc: serial_number
unique_id
---------
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
:doc: unique_id
Accelerated Processing Units (APU) Info
---------------------------------------
.. csv-table::
:header-rows: 1
:widths: 3, 2, 2, 1, 1, 1, 1
:file: ./apu-asic-info-table.csv
Discrete GPU Info
-----------------
.. csv-table::
:header-rows: 1
:widths: 3, 2, 2, 1, 1, 1
:file: ./dgpu-asic-info-table.csv
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