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WSL2-Linux-Kernel/Documentation/gpu/amdgpu.rst

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drm/doc: Add initial amdgpu driver documentation Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-05-29 19:39:04 +03:00
=========================
drm/amdgpu AMDgpu driver
=========================
The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core
Next (GCN) architecture.
drm/amdgpu: Add documentation for PRIME related code Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-05-29 19:33:41 +03:00
drm/amdgpu: update documentation for amdgpu_drv.c Signed-off-by: Sonny Jiang <sonny.jiang@amd.com> Acked-by: Junwei Zhang <Jerry.Zhang@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-26 22:48:34 +03:00
Module Parameters
=================
The amdgpu driver supports the following module parameters:
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
drm/amdgpu: Add documentation for PRIME related code Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-05-29 19:33:41 +03:00
Core Driver Infrastructure
==========================
This section covers core driver infrastructure.
drm/amdgpu: Hook up documentation about memory domains Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-01 13:10:02 +03:00
.. _amdgpu_memory_domains:
Memory Domains
--------------
.. kernel-doc:: include/uapi/drm/amdgpu_drm.h
:doc: memory domains
drm/amdgpu: Hook up amdgpu_object.c documentation Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-01 13:30:44 +03:00
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:
drm/amdgpu: Add documentation for PRIME related code Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-05-29 19:33:41 +03:00
PRIME Buffer Sharing
--------------------
gpu: amdgpu: fix broken amdgpu_dma_buf.c references This file was renamed, but docs weren't updated accordingly. WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -function PRIME Buffer Sharing ./drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -internal ./drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c' failed with return code 2 Fixes: 2fbd6f94accdbb223a ("drm/amdgpu: rename amdgpu_prime.[ch] into amdgpu_dma_buf.[ch]") Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-05-30 02:23:42 +03:00
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
drm/amdgpu: Add documentation for PRIME related code Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-05-29 19:33:41 +03:00
:doc: PRIME Buffer Sharing
gpu: amdgpu: fix broken amdgpu_dma_buf.c references This file was renamed, but docs weren't updated accordingly. WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -function PRIME Buffer Sharing ./drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -internal ./drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c' failed with return code 2 Fixes: 2fbd6f94accdbb223a ("drm/amdgpu: rename amdgpu_prime.[ch] into amdgpu_dma_buf.[ch]") Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-05-30 02:23:42 +03:00
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
drm/amdgpu: Add documentation for PRIME related code Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-05-29 19:33:41 +03:00
:internal:
drm/amdgpu: fix documentation of amdgpu_mn.c v2 And wire it up as well. v2: improve the wording, fix label mismatch Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-05 12:47:43 +03:00
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:
drm/amdgpu: Update function level documentation for GPUVM v3 Add/update function level documentation and add reference to amdgpu_vm.c in amdgpu.rst v2: Fix reference in rst file. Fix compilation warnings. Add space between function names and params list where it's missing. v3: Fix some funtion comments. Add formatted documentation to structs. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-11 18:11:24 +03:00
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
drm/amdgpu: Restore :internal: for amdgpu_vm.c documentation This was accidentally dropped by the "drm/amdgpu: update documentation for amdgpu_irq.c v3" change, resulting in the GPUVM documentation body being included twice in the generated documentation. Trivial. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-14 12:59:20 +03:00
:internal:
drm/amdgpu: update documentation for amdgpu_irq.c v3 Add/update function level documentation and add reference to amdgpu_irq.c in amdgpu.rst v2: Added DOC comment Added more explanations for amdgpu_hotplug_work_func Properly formatted unused parameters Properly formatted return values Fixed usage of acronyms More consistent styling v3: Removed duplicate "not" Using '&' to refer to functions and types Signed-off-by: Slava Abramov <slava.abramov@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-08 00:27:07 +03:00
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
drm/amdgpu: Update function level documentation for GPUVM v3 Add/update function level documentation and add reference to amdgpu_vm.c in amdgpu.rst v2: Fix reference in rst file. Fix compilation warnings. Add space between function names and params list where it's missing. v3: Fix some funtion comments. Add formatted documentation to structs. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-11 18:11:24 +03:00
:internal:
drm/doc: Add amdgpu hwmon/power documentation (v2) Document the hwmon and power control interfaces exposed by the amdgpu driver. v2: use section rather than chapter for now Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-01 20:28:14 +03:00
drm/amd/doc: Add XGMI sysfs documentation Acked-by: Slava Abramov <slava.abramov@amd.com> Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-05-24 16:15:17 +03:00
AMDGPU XGMI Support
===================
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
:doc: AMDGPU XGMI Support
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
:internal:
drm/amd/doc: Add RAS documentation to guide Acked-by: Slava Abramov <slava.abramov@amd.com> Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-05-24 16:21:54 +03:00
AMDGPU RAS debugfs control interface
====================================
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
:doc: AMDGPU RAS debugfs control interface
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
:internal:
drm/doc: Add amdgpu hwmon/power documentation (v2) Document the hwmon and power control interfaces exposed by the amdgpu driver. v2: use section rather than chapter for now Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-01 20:28:14 +03:00
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
drm/amd/amdgpu: Add a GPU_LOAD entry to sysfs (v3) This adds what should be a stable interface to read GPU load from userspace. (v2): Fix comments and name of file per recommendations. (v3): Add chapter to amdgpu.rst as well. Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Acked-by: Slava Abramov <slava.abramov@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-06-20 14:55:39 +03:00
busy_percent
~~~~~~~~~~~~
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
:doc: busy_percent