diff options
author | Olof Johansson <olof@lixom.net> | 2019-12-05 13:16:58 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2019-12-05 13:18:54 -0800 |
commit | 942e6f8a8314e5550e254519dfba4ccd5170421d (patch) | |
tree | 75ec655b440fbc1c454247af38b5596dd8c78de9 /Documentation/gpu/amdgpu.rst | |
parent | 336bab731be76a90291697e51d2aed0ad67d7cb5 (diff) | |
parent | b08baef02b26cf7c2123e4a24a2fa1fb7a593ffb (diff) |
Merge mainline/master into arm/fixes
This brings in the mainline tree right after armsoc contents was merged
this release cycle, so that we can re-run savedefconfig, etc.
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'Documentation/gpu/amdgpu.rst')
-rw-r--r-- | Documentation/gpu/amdgpu.rst | 65 |
1 files changed, 60 insertions, 5 deletions
diff --git a/Documentation/gpu/amdgpu.rst b/Documentation/gpu/amdgpu.rst index 5acdd1842ea2..0efede580039 100644 --- a/Documentation/gpu/amdgpu.rst +++ b/Documentation/gpu/amdgpu.rst @@ -79,16 +79,71 @@ AMDGPU XGMI Support .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c :internal: -AMDGPU RAS debugfs control interface -==================================== +AMDGPU RAS Support +================== + +The AMDGPU RAS interfaces are exposed via sysfs (for informational queries) and +debugfs (for error injection). + +RAS debugfs/sysfs Control and Error Injection Interfaces +-------------------------------------------------------- .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c :doc: AMDGPU RAS debugfs control interface +RAS Reboot Behavior for Unrecoverable Errors +-------------------------------------------------------- + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c + :doc: AMDGPU RAS Reboot Behavior for Unrecoverable Errors + +RAS Error Count sysfs Interface +------------------------------- + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c + :doc: AMDGPU RAS sysfs Error Count Interface + +RAS EEPROM debugfs Interface +---------------------------- + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c + :doc: AMDGPU RAS debugfs EEPROM table reset interface + +RAS VRAM Bad Pages sysfs Interface +---------------------------------- + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c + :doc: AMDGPU RAS sysfs gpu_vram_bad_pages Interface .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c :internal: +Sample Code +----------- +Sample code for testing error injection can be found here: +https://cgit.freedesktop.org/mesa/drm/tree/tests/amdgpu/ras_tests.c + +This is part of the libdrm amdgpu unit tests which cover several areas of the GPU. +There are four sets of tests: + +RAS Basic Test + +The test verifies the RAS feature enabled status and makes sure the necessary sysfs and debugfs files +are present. + +RAS Query Test + +This test checks the RAS availability and enablement status for each supported IP block as well as +the error counts. + +RAS Inject Test + +This test injects errors for each IP. + +RAS Disable Test + +This test tests disabling of RAS features for each IP block. + GPU Power/Thermal Controls and Monitoring ========================================= @@ -130,11 +185,11 @@ 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 -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +pp_dpm_* +~~~~~~~~ .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c - :doc: pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie + :doc: pp_dpm_sclk pp_dpm_mclk pp_dpm_socclk pp_dpm_fclk pp_dpm_dcefclk pp_dpm_pcie pp_power_profile_mode ~~~~~~~~~~~~~~~~~~~~~ |