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Open Menu / Documentation / gpu / amdgpu.rst
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=========================
 drm/amdgpu AMDgpu driver
=========================

The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core
Next (GCN) architecture.

Module Parameters
=================

The amdgpu driver supports the following module parameters:

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

Core Driver Infrastructure
==========================

This section covers core driver infrastructure.

.. _amdgpu_memory_domains:

Memory Domains
--------------

.. kernel-doc:: include/uapi/drm/amdgpu_drm.h
   :doc: memory domains

Buffer Objects
--------------

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

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
   :internal:

PRIME Buffer Sharing
--------------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
   :doc: PRIME Buffer Sharing

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
   :internal:

MMU Notifier
------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
   :doc: MMU Notifier

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
   :internal:

AMDGPU Virtual Memory
---------------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
   :doc: GPUVM

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
   :internal:

Interrupt Handling
------------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
   :doc: Interrupt Handling

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
   :internal:

GPU Power/Thermal Controls and Monitoring
=========================================

This section covers hwmon and power/thermal controls.

HWMON Interfaces
----------------

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
   :doc: hwmon

GPU sysfs Power State Interfaces
--------------------------------

GPU power controls are exposed via sysfs files.

power_dpm_state
~~~~~~~~~~~~~~~

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
   :doc: power_dpm_state

power_dpm_force_performance_level
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
   :doc: power_dpm_force_performance_level

pp_table
~~~~~~~~

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
   :doc: pp_table

pp_od_clk_voltage
~~~~~~~~~~~~~~~~~

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
   :doc: pp_od_clk_voltage

pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
   :doc: pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie

pp_power_profile_mode
~~~~~~~~~~~~~~~~~~~~~

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
   :doc: pp_power_profile_mode

busy_percent
~~~~~~~~~~~~

.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
   :doc: busy_percent