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path: root/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c
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Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c')
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c31
1 files changed, 15 insertions, 16 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 dad3e3741a4e..56423aedf3fa 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c
@@ -67,22 +67,21 @@ 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)
{
- uint32_t current_rpm;
- uint32_t percent = 0;
-
- if (hwmgr->thermal_controller.fanInfo.bNoFan)
- return 0;
+ struct amdgpu_device *adev = hwmgr->adev;
+ uint32_t duty100, duty;
+ uint64_t tmp64;
- if (vega10_get_current_rpm(hwmgr, &current_rpm))
- return -1;
+ 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.
- advanceFanControlParameters.usMaxFanRPM != 0)
- percent = current_rpm * 255 /
- hwmgr->thermal_controller.
- advanceFanControlParameters.usMaxFanRPM;
+ if (!duty100)
+ return -EINVAL;
- *speed = MIN(percent, 255);
+ tmp64 = (uint64_t)duty * 255;
+ do_div(tmp64, duty100);
+ *speed = min_t(uint32_t, tmp64, 255);
return 0;
}
@@ -256,7 +255,7 @@ int vega10_fan_ctrl_set_fan_speed_pwm(struct pp_hwmgr *hwmgr,
if (hwmgr->thermal_controller.fanInfo.bNoFan)
return 0;
- speed = MIN(speed, 255);
+ speed = min_t(uint32_t, speed, 255);
if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl))
vega10_fan_ctrl_stop_smc_fan_control(hwmgr);
@@ -308,10 +307,10 @@ int vega10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
int result = 0;
if (hwmgr->thermal_controller.fanInfo.bNoFan ||
- speed == 0 ||
+ (!speed || speed > UINT_MAX/8) ||
(speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) ||
(speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM))
- return -1;
+ return -EINVAL;
if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl))
result = vega10_fan_ctrl_stop_smc_fan_control(hwmgr);