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| author | Evan Quan <evan.quan@amd.com> | 2021-02-09 13:36:16 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-08-16 15:35:56 -0400 |
| commit | 96401f7c21900ad03b67e49cc3b8e6aa7cccba74 (patch) | |
| tree | b69bd290136e9c3ecaad44312df49a3f1c3a7dd1 /drivers/gpu/drm/amd/pm/amdgpu_pm.c | |
| parent | f3289d049720f356dc35ae72289743d7202b7787 (diff) | |
| download | linux-96401f7c21900ad03b67e49cc3b8e6aa7cccba74.tar.bz2 | |
drm/amd/pm: record the RPM and PWM based fan speed settings
As the relationship "PWM = RPM / smu->fan_max_rpm" between fan speed
PWM and RPM is not true for SMU11 ASICs. So, both the RPM and PWM
settings need to be saved.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 221aff24029a..545689d80d8c 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -3179,6 +3179,9 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev, * * - fan[1-\*]_enable: Enable or disable the sensors.1: Enable 0: Disable * + * NOTE: DO NOT set the fan speed via "pwm1" and "fan[1-\*]_target" interfaces at the same time. + * That will get the former one overridden. + * * hwmon interfaces for GPU clocks: * * - freq1_input: the gfx/compute clock in hertz |