diff options
| author | Asher Song <Asher.Song@amd.com> | 2022-10-14 06:36:33 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-12-31 15:32:03 +0300 |
| commit | 9ccd11718d76b95c69aa773f2abedef560776037 (patch) | |
| tree | ad502dfa889e7457cd99e40d74122e0ce6c7e0c7 /drivers/gpu/drm | |
| parent | 3265e0f2f85a6be88d6d187d46d0a31c5c235cb0 (diff) | |
| download | linux-9ccd11718d76b95c69aa773f2abedef560776037.tar.xz | |
drm/amdgpu: Revert "drm/amdgpu: getting fan speed pwm for vega10 properly"
[ Upstream commit e5b781c56d46c44c52caa915f1b65064f2f7c1ba ]
This reverts commit 16fb4dca95daa9d8e037201166a58de8284f4268.
Unfortunately, that commit causes fan monitors can't be read and written
properly.
Fixes: 16fb4dca95daa9 ("drm/amdgpu: getting fan speed pwm for vega10 properly")
Signed-off-by: Asher Song <Asher.Song@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c index 190af79f3236..dad3e3741a4e 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c @@ -67,21 +67,22 @@ int vega10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, int vega10_fan_ctrl_get_fan_speed_pwm(struct pp_hwmgr *hwmgr, uint32_t *speed) { - struct amdgpu_device *adev = hwmgr->adev; - uint32_t duty100, duty; - uint64_t tmp64; + uint32_t current_rpm; + uint32_t percent = 0; - duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1), - CG_FDO_CTRL1, FMAX_DUTY100); - duty = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_THERMAL_STATUS), - CG_THERMAL_STATUS, FDO_PWM_DUTY); + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; - if (!duty100) - return -EINVAL; + if (vega10_get_current_rpm(hwmgr, ¤t_rpm)) + return -1; + + if (hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanRPM != 0) + percent = current_rpm * 255 / + hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanRPM; - tmp64 = (uint64_t)duty * 255; - do_div(tmp64, duty100); - *speed = MIN((uint32_t)tmp64, 255); + *speed = MIN(percent, 255); return 0; } |