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| author | Ma Jun <Jun.Ma2@amd.com> | 2023-09-13 08:25:38 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-13 17:27:04 +0200 |
| commit | 1007bc36ecb15e1745533bd0c4c1050c65337bf7 (patch) | |
| tree | f6a152d6f63299a838edae553b3cc05676a918ea /drivers/gpu/drm/amd/pm/amdgpu_pm.c | |
| parent | Revert "drm/amd/display: Create amdgpu_dm_wb_connector" (diff) | |
| download | linux-1007bc36ecb15e1745533bd0c4c1050c65337bf7.tar.xz linux-1007bc36ecb15e1745533bd0c4c1050c65337bf7.zip | |
drm/amd/pm: Add reset option for fan_ctrl interfaces
Add reset option for fan_ctrl interfaces.
For example:
User can use the "echo r > acoustic_limit_rpm_threshold" command
to reset acoustic_limit_rpm_threshold to boot value
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 4c65a2fac028..c7c29aa24c36 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -3680,6 +3680,9 @@ static umode_t fan_curve_visible(struct amdgpu_device *adev) * When you have finished the editing, write "c" (commit) to the file to commit * your changes. * + * If you want to reset to the default value, write "r" (reset) to the file to + * reset them + * * This setting works under auto fan control mode only. It adjusts the PMFW's * behavior about the maximum speed in RPM the fan can spin. Setting via this * interface will switch the fan control to auto mode implicitly. @@ -3735,6 +3738,9 @@ static umode_t acoustic_limit_threshold_visible(struct amdgpu_device *adev) * When you have finished the editing, write "c" (commit) to the file to commit * your changes. * + * If you want to reset to the default value, write "r" (reset) to the file to + * reset them + * * This setting works under auto fan control mode only. It can co-exist with * other settings which can work also under auto mode. It adjusts the PMFW's * behavior about the maximum speed in RPM the fan can spin when ASIC @@ -3792,6 +3798,9 @@ static umode_t acoustic_target_threshold_visible(struct amdgpu_device *adev) * When you have finished the editing, write "c" (commit) to the file to commit * your changes. * + * If you want to reset to the default value, write "r" (reset) to the file to + * reset them + * * This setting works under auto fan control mode only. It can co-exist with * other settings which can work also under auto mode. Paring with the * acoustic_target_rpm_threshold setting, they define the maximum speed in @@ -3850,6 +3859,9 @@ static umode_t fan_target_temperature_visible(struct amdgpu_device *adev) * When you have finished the editing, write "c" (commit) to the file to commit * your changes. * + * If you want to reset to the default value, write "r" (reset) to the file to + * reset them + * * This setting works under auto fan control mode only. It can co-exist with * other settings which can work also under auto mode. It adjusts the PMFW's * behavior about the minimum fan speed in PWM the fan should spin. Setting |