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review.trustedfirmware.org / hafnium / third_party / linux / 0e64123141f3854e695eb4924d82b52856691466 / . / Documentation / gpu / amdgpu.rst
blob: 5acdd1842ea20f3cb1f11ed5297f7cc2c1a71237 [file] [log] [blame]
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]1=========================
2 drm/amdgpu AMDgpu driver
3=========================
4
5The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core
6Next (GCN) architecture.
7
8Module Parameters
9=================
10
11The amdgpu driver supports the following module parameters:
12
13.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
14
15Core Driver Infrastructure
16==========================
17
18This section covers core driver infrastructure.
19
20.. _amdgpu_memory_domains:
21
22Memory Domains
23--------------
24
25.. kernel-doc:: include/uapi/drm/amdgpu_drm.h
26 :doc: memory domains
27
28Buffer Objects
29--------------
30
31.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
32 :doc: amdgpu_object
33
34.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
35 :internal:
36
37PRIME Buffer Sharing
38--------------------
39
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame]40.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]41 :doc: PRIME Buffer Sharing
42
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame]43.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]44 :internal:
45
46MMU Notifier
47------------
48
49.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
50 :doc: MMU Notifier
51
52.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
53 :internal:
54
55AMDGPU Virtual Memory
56---------------------
57
58.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
59 :doc: GPUVM
60
61.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
62 :internal:
63
64Interrupt Handling
65------------------
66
67.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
68 :doc: Interrupt Handling
69
70.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
71 :internal:
72
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame]73AMDGPU XGMI Support
74===================
75
76.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
77 :doc: AMDGPU XGMI Support
78
79.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
80 :internal:
81
82AMDGPU RAS debugfs control interface
83====================================
84
85.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
86 :doc: AMDGPU RAS debugfs control interface
87
88
89.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
90 :internal:
91
92
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]93GPU Power/Thermal Controls and Monitoring
94=========================================
95
96This section covers hwmon and power/thermal controls.
97
98HWMON Interfaces
99----------------
100
101.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
102 :doc: hwmon
103
104GPU sysfs Power State Interfaces
105--------------------------------
106
107GPU power controls are exposed via sysfs files.
108
109power_dpm_state
110~~~~~~~~~~~~~~~
111
112.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
113 :doc: power_dpm_state
114
115power_dpm_force_performance_level
116~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
117
118.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
119 :doc: power_dpm_force_performance_level
120
121pp_table
122~~~~~~~~
123
124.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
125 :doc: pp_table
126
127pp_od_clk_voltage
128~~~~~~~~~~~~~~~~~
129
130.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
131 :doc: pp_od_clk_voltage
132
133pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie
134~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
135
136.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
137 :doc: pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie
138
139pp_power_profile_mode
140~~~~~~~~~~~~~~~~~~~~~
141
142.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
143 :doc: pp_power_profile_mode
144
145busy_percent
146~~~~~~~~~~~~
147
148.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
149 :doc: busy_percent