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kernel
os
linux
Documentation/gpu: split amdgpu/index for readability
This starts to make the formated index much more manageable to the reader.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Yann Dirson <ydirson@free.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Yann Dirson
and committed by
Alex Deucher
c08d2f8b
ff7ac852
+324
-334
+65
Documentation/gpu/amdgpu/driver-core.rst
+65
Documentation/gpu/amdgpu/driver-core.rst
···
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+
============================
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+
Core Driver Infrastructure
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============================
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+
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+
.. _amdgpu_memory_domains:
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+
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Memory Domains
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+
==============
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+
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.. kernel-doc:: include/uapi/drm/amdgpu_drm.h
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:doc: memory domains
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+
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Buffer Objects
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+
==============
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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:doc: amdgpu_object
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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:internal:
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+
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PRIME Buffer Sharing
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+
====================
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
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:doc: PRIME Buffer Sharing
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
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:internal:
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+
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MMU Notifier
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+
============
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
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:doc: MMU Notifier
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
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:internal:
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+
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AMDGPU Virtual Memory
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+
=====================
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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:doc: GPUVM
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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+
:internal:
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+
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+
Interrupt Handling
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+
==================
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
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+
:doc: Interrupt Handling
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
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+
:internal:
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+
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+
IP Blocks
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+
=========
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/include/amd_shared.h
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:doc: IP Blocks
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+
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.. kernel-doc:: drivers/gpu/drm/amd/include/amd_shared.h
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+
:identifiers: amd_ip_block_type amd_ip_funcs
+112
Documentation/gpu/amdgpu/driver-misc.rst
+112
Documentation/gpu/amdgpu/driver-misc.rst
···
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+
================================
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Misc AMDGPU driver information
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+
================================
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+
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+
GPU Product Information
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+
=======================
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+
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+
Information about the GPU can be obtained on certain cards
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via sysfs
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+
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product_name
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+
------------
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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+
:doc: product_name
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+
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product_number
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+
--------------
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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:doc: product_name
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+
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serial_number
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+
-------------
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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:doc: serial_number
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+
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unique_id
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+
---------
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: unique_id
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+
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+
GPU Memory Usage Information
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============================
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+
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+
Various memory accounting can be accessed via sysfs
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+
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mem_info_vram_total
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+
-------------------
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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:doc: mem_info_vram_total
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+
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mem_info_vram_used
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+
------------------
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+
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+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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:doc: mem_info_vram_used
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+
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mem_info_vis_vram_total
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+
-----------------------
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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:doc: mem_info_vis_vram_total
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+
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mem_info_vis_vram_used
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+
----------------------
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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:doc: mem_info_vis_vram_used
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+
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mem_info_gtt_total
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------------------
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
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:doc: mem_info_gtt_total
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mem_info_gtt_used
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-----------------
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+
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
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:doc: mem_info_gtt_used
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+
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PCIe Accounting Information
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===========================
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pcie_bw
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-------
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: pcie_bw
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pcie_replay_count
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-----------------
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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:doc: pcie_replay_count
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+
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GPU SmartShift Information
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==========================
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+
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GPU SmartShift information via sysfs
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+
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smartshift_apu_power
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--------------------
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+
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: smartshift_apu_power
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smartshift_dgpu_power
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---------------------
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+
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: smartshift_dgpu_power
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+
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smartshift_bias
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---------------
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+
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: smartshift_bias
+8
-334
Documentation/gpu/amdgpu/index.rst
+8
-334
Documentation/gpu/amdgpu/index.rst
···
5
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The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core
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Next (GCN) architecture.
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Module Parameters
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-
=================
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The amdgpu driver supports the following module parameters:
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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-
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Core Driver Infrastructure
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==========================
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This section covers core driver infrastructure.
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.. _amdgpu_memory_domains:
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Memory Domains
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--------------
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-
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.. kernel-doc:: include/uapi/drm/amdgpu_drm.h
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:doc: memory domains
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-
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Buffer Objects
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--------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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:doc: amdgpu_object
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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:internal:
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PRIME Buffer Sharing
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--------------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
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:doc: PRIME Buffer Sharing
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
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:internal:
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-
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MMU Notifier
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-
------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
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:doc: MMU Notifier
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
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-
:internal:
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-
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AMDGPU Virtual Memory
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---------------------
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-
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-
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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:doc: GPUVM
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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:internal:
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-
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Interrupt Handling
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------------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
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:doc: Interrupt Handling
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
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-
:internal:
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-
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IP Blocks
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---------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/include/amd_shared.h
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:doc: IP Blocks
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-
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.. kernel-doc:: drivers/gpu/drm/amd/include/amd_shared.h
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:identifiers: amd_ip_block_type amd_ip_funcs
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-
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Display Core
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-
============
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This section covers Display core.
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-
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8
.. toctree::
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9
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display/index
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-
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: overview
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AMDGPU XGMI Support
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-
===================
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
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-
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AMDGPU RAS Support
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==================
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The AMDGPU RAS interfaces are exposed via sysfs (for informational queries) and
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debugfs (for error injection).
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RAS debugfs/sysfs Control and Error Injection Interfaces
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-
--------------------------------------------------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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-
:doc: AMDGPU RAS debugfs control interface
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-
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RAS Reboot Behavior for Unrecoverable Errors
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-
--------------------------------------------------------
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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-
:doc: AMDGPU RAS Reboot Behavior for Unrecoverable Errors
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-
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RAS Error Count sysfs Interface
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-
-------------------------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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:doc: AMDGPU RAS sysfs Error Count Interface
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-
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RAS EEPROM debugfs Interface
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----------------------------
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-
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-
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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-
:doc: AMDGPU RAS debugfs EEPROM table reset interface
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-
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RAS VRAM Bad Pages sysfs Interface
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----------------------------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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:doc: AMDGPU RAS sysfs gpu_vram_bad_pages Interface
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-
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Sample Code
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-
-----------
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Sample code for testing error injection can be found here:
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https://cgit.freedesktop.org/mesa/drm/tree/tests/amdgpu/ras_tests.c
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This is part of the libdrm amdgpu unit tests which cover several areas of the GPU.
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There are four sets of tests:
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RAS Basic Test
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The test verifies the RAS feature enabled status and makes sure the necessary sysfs and debugfs files
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are present.
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RAS Query Test
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This test checks the RAS availability and enablement status for each supported IP block as well as
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the error counts.
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RAS Inject Test
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This test injects errors for each IP.
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RAS Disable Test
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This test tests disabling of RAS features for each IP block.
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GPU Power/Thermal Controls and Monitoring
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=========================================
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This section covers hwmon and power/thermal controls.
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HWMON Interfaces
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----------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: hwmon
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GPU sysfs Power State Interfaces
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--------------------------------
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GPU power controls are exposed via sysfs files.
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power_dpm_state
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~~~~~~~~~~~~~~~
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: power_dpm_state
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power_dpm_force_performance_level
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: power_dpm_force_performance_level
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pp_table
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~~~~~~~~
192
-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: pp_table
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-
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pp_od_clk_voltage
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~~~~~~~~~~~~~~~~~
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: pp_od_clk_voltage
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-
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pp_dpm_*
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~~~~~~~~
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-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: pp_dpm_sclk pp_dpm_mclk pp_dpm_socclk pp_dpm_fclk pp_dpm_dcefclk pp_dpm_pcie
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-
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pp_power_profile_mode
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~~~~~~~~~~~~~~~~~~~~~
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-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: pp_power_profile_mode
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-
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\*_busy_percent
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~~~~~~~~~~~~~~~
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-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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-
:doc: gpu_busy_percent
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-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: mem_busy_percent
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-
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gpu_metrics
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~~~~~~~~~~~~~~~~~~~~~
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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-
:doc: gpu_metrics
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-
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GPU Product Information
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=======================
231
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Information about the GPU can be obtained on certain cards
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via sysfs
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-
235
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product_name
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-
------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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-
:doc: product_name
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-
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product_number
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-
--------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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-
:doc: product_name
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-
247
-
serial_number
248
-
-------------
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-
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-
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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:doc: serial_number
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-
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-
unique_id
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-
---------
255
-
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-
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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-
:doc: unique_id
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-
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-
GPU Memory Usage Information
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============================
261
-
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Various memory accounting can be accessed via sysfs
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-
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mem_info_vram_total
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-
-------------------
266
-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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:doc: mem_info_vram_total
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-
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mem_info_vram_used
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-
------------------
272
-
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.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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:doc: mem_info_vram_used
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-
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-
mem_info_vis_vram_total
277
-
-----------------------
278
-
279
-
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
280
-
:doc: mem_info_vis_vram_total
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-
282
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mem_info_vis_vram_used
283
-
----------------------
284
-
285
-
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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-
:doc: mem_info_vis_vram_used
287
-
288
-
mem_info_gtt_total
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-
------------------
290
-
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-
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
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-
:doc: mem_info_gtt_total
293
-
294
-
mem_info_gtt_used
295
-
-----------------
296
-
297
-
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
298
-
:doc: mem_info_gtt_used
299
-
300
-
PCIe Accounting Information
301
-
===========================
302
-
303
-
pcie_bw
304
-
-------
305
-
306
-
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
307
-
:doc: pcie_bw
308
-
309
-
pcie_replay_count
310
-
-----------------
311
-
312
-
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
313
-
:doc: pcie_replay_count
314
-
315
-
GPU SmartShift Information
316
-
==========================
317
-
318
-
GPU SmartShift information via sysfs
319
-
320
-
smartshift_apu_power
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-
--------------------
322
-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: smartshift_apu_power
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-
326
-
smartshift_dgpu_power
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-
---------------------
328
-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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:doc: smartshift_dgpu_power
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-
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-
smartshift_bias
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-
---------------
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-
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.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
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-
:doc: smartshift_bias
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-
338
-
AMDGPU Glossary
339
-
===============
340
-
341
-
.. toctree::
342
-
343
-
amdgpu-glossary.rst
10
+
module-parameters
11
+
driver-core
12
+
display/index
13
+
xgmi
14
+
ras
15
+
thermal
16
+
driver-misc
17
+
amdgpu-glossary
+7
Documentation/gpu/amdgpu/module-parameters.rst
+7
Documentation/gpu/amdgpu/module-parameters.rst
+62
Documentation/gpu/amdgpu/ras.rst
+62
Documentation/gpu/amdgpu/ras.rst
···
1
+
====================
2
+
AMDGPU RAS Support
3
+
====================
4
+
5
+
The AMDGPU RAS interfaces are exposed via sysfs (for informational queries) and
6
+
debugfs (for error injection).
7
+
8
+
RAS debugfs/sysfs Control and Error Injection Interfaces
9
+
========================================================
10
+
11
+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
12
+
:doc: AMDGPU RAS debugfs control interface
13
+
14
+
RAS Reboot Behavior for Unrecoverable Errors
15
+
============================================
16
+
17
+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
18
+
:doc: AMDGPU RAS Reboot Behavior for Unrecoverable Errors
19
+
20
+
RAS Error Count sysfs Interface
21
+
===============================
22
+
23
+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
24
+
:doc: AMDGPU RAS sysfs Error Count Interface
25
+
26
+
RAS EEPROM debugfs Interface
27
+
============================
28
+
29
+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
30
+
:doc: AMDGPU RAS debugfs EEPROM table reset interface
31
+
32
+
RAS VRAM Bad Pages sysfs Interface
33
+
==================================
34
+
35
+
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
36
+
:doc: AMDGPU RAS sysfs gpu_vram_bad_pages Interface
37
+
38
+
Sample Code
39
+
===========
40
+
Sample code for testing error injection can be found here:
41
+
https://cgit.freedesktop.org/mesa/drm/tree/tests/amdgpu/ras_tests.c
42
+
43
+
This is part of the libdrm amdgpu unit tests which cover several areas of the GPU.
44
+
There are four sets of tests:
45
+
46
+
RAS Basic Test
47
+
48
+
The test verifies the RAS feature enabled status and makes sure the necessary sysfs and debugfs files
49
+
are present.
50
+
51
+
RAS Query Test
52
+
53
+
This test checks the RAS availability and enablement status for each supported IP block as well as
54
+
the error counts.
55
+
56
+
RAS Inject Test
57
+
58
+
This test injects errors for each IP.
59
+
60
+
RAS Disable Test
61
+
62
+
This test tests disabling of RAS features for each IP block.
+65
Documentation/gpu/amdgpu/thermal.rst
+65
Documentation/gpu/amdgpu/thermal.rst
···
1
+
===========================================
2
+
GPU Power/Thermal Controls and Monitoring
3
+
===========================================
4
+
5
+
HWMON Interfaces
6
+
================
7
+
8
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
9
+
:doc: hwmon
10
+
11
+
GPU sysfs Power State Interfaces
12
+
================================
13
+
14
+
GPU power controls are exposed via sysfs files.
15
+
16
+
power_dpm_state
17
+
---------------
18
+
19
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
20
+
:doc: power_dpm_state
21
+
22
+
power_dpm_force_performance_level
23
+
---------------------------------
24
+
25
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
26
+
:doc: power_dpm_force_performance_level
27
+
28
+
pp_table
29
+
--------
30
+
31
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
32
+
:doc: pp_table
33
+
34
+
pp_od_clk_voltage
35
+
-----------------
36
+
37
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
38
+
:doc: pp_od_clk_voltage
39
+
40
+
pp_dpm_*
41
+
--------
42
+
43
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
44
+
:doc: pp_dpm_sclk pp_dpm_mclk pp_dpm_socclk pp_dpm_fclk pp_dpm_dcefclk pp_dpm_pcie
45
+
46
+
pp_power_profile_mode
47
+
---------------------
48
+
49
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
50
+
:doc: pp_power_profile_mode
51
+
52
+
\*_busy_percent
53
+
---------------
54
+
55
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
56
+
:doc: gpu_busy_percent
57
+
58
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
59
+
:doc: mem_busy_percent
60
+
61
+
gpu_metrics
62
+
-----------
63
+
64
+
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
65
+
:doc: gpu_metrics