Staging
v0.8.1
v0.8.1
https://github.com/torvalds/linux
Tip revision: 754e0b0e35608ed5206d6a67a791563c631cec07 authored by Linus Torvalds on 13 February 2022, 20:13:30 UTC
Linux 5.17-rc4
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