diff options
| author | Likun Gao | 2019-01-25 10:45:24 +0100 |
|---|---|---|
| committer | Alex Deucher | 2019-03-19 21:04:01 +0100 |
| commit | 96026ce0199c4c0c3d19dd0673dcbaf55e2897d3 (patch) | |
| tree | 444ebad524697e86200b7044c85d2039f5555915 /drivers/gpu/drm/amd/powerplay/smu_v11_0.c | |
| parent | drm/amd/powerplay: implement fan1_enable hwmon interface for SMU11 (v2) (diff) | |
| download | kernel-qcow2-linux-96026ce0199c4c0c3d19dd0673dcbaf55e2897d3.tar.gz kernel-qcow2-linux-96026ce0199c4c0c3d19dd0673dcbaf55e2897d3.tar.xz kernel-qcow2-linux-96026ce0199c4c0c3d19dd0673dcbaf55e2897d3.zip | |
drm/amd/powerplay: set fan target interface for hwmon
Add fan1_target set interface to set fan speed for hwmon.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 8c83bf9f2bc8..8acfeed1f774 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1864,6 +1864,36 @@ smu_v11_0_set_fan_control_mode(struct smu_context *smu, return ret; } +static int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu, + uint32_t speed) +{ + struct amdgpu_device *adev = smu->adev; + int ret; + uint32_t tach_period, crystal_clock_freq; + bool stop = 0; + + if (!speed) + return -EINVAL; + + mutex_lock(&(smu->mutex)); + ret = smu_v11_0_smc_fan_control(smu, stop); + if (ret) + goto set_fan_speed_rpm_failed; + + crystal_clock_freq = amdgpu_asic_get_xclk(adev); + tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed); + WREG32_SOC15(THM, 0, mmCG_TACH_CTRL, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL), + CG_TACH_CTRL, TARGET_PERIOD, + tach_period)); + + ret = smu_v11_0_set_fan_static_mode(smu, FDO_PWM_MODE_STATIC_RPM); + +set_fan_speed_rpm_failed: + mutex_unlock(&(smu->mutex)); + return ret; +} + static const struct smu_funcs smu_v11_0_funcs = { .init_microcode = smu_v11_0_init_microcode, .load_microcode = smu_v11_0_load_microcode, @@ -1919,6 +1949,7 @@ static const struct smu_funcs smu_v11_0_funcs = { .set_fan_control_mode = smu_v11_0_set_fan_control_mode, .get_fan_speed_percent = smu_v11_0_get_fan_speed_percent, .set_fan_speed_percent = smu_v11_0_set_fan_speed_percent, + .set_fan_speed_rpm = smu_v11_0_set_fan_speed_rpm, }; void smu_v11_0_set_smu_funcs(struct smu_context *smu) |