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Revert "drm/amdgpu/swsmu: drop set_fan_speed_percent (v2)"

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On some boards the rpm interface apparently does not work at all
leading to the fan not spinning or spinning at strange speeds.
Revert this for now to fix 5.10, 5.11.  The follow on patch
fixes this properly for 5.12.

This reverts commit 8d6e65adc2.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1408
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2021-01-28 11:46:11 -05:00
parent 20bdcc99ed
commit cd30513797
7 changed files with 39 additions and 9 deletions
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2
drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
View file

@ -954,7 +954,7 @@ struct pptable_funcs {
* @set_fan_speed_rpm: Set a static fan speed in RPM.
*/
int (*set_fan_speed_rpm)(struct smu_context *smu, uint32_t speed);
int (*set_fan_speed_percent)(struct smu_context *smu, uint32_t speed);
/**
* @set_xgmi_pstate: Set inter-chip global memory interconnect pstate.
* &pstate: Pstate to set. D0 if Nonzero, D3 otherwise.

3
drivers/gpu/drm/amd/pm/inc/smu_v11_0.h
View file

@ -203,6 +203,9 @@ int
smu_v11_0_set_fan_control_mode(struct smu_context *smu,
uint32_t mode);
int
smu_v11_0_set_fan_speed_percent(struct smu_context *smu, uint32_t speed);
int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu,
uint32_t speed);

9
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View file

@ -2303,19 +2303,14 @@ int smu_get_fan_speed_percent(struct smu_context *smu, uint32_t *speed)
int smu_set_fan_speed_percent(struct smu_context *smu, uint32_t speed)
{
int ret = 0;
uint32_t rpm;
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
return -EOPNOTSUPP;
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_fan_speed_rpm) {
if (speed > 100)
speed = 100;
rpm = speed * smu->fan_max_rpm / 100;
ret = smu->ppt_funcs->set_fan_speed_rpm(smu, rpm);
}
if (smu->ppt_funcs->set_fan_speed_percent)
ret = smu->ppt_funcs->set_fan_speed_percent(smu, speed);
mutex_unlock(&smu->mutex);

1
drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
View file

@ -2326,6 +2326,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
.display_clock_voltage_request = smu_v11_0_display_clock_voltage_request,
.get_fan_control_mode = smu_v11_0_get_fan_control_mode,
.set_fan_control_mode = smu_v11_0_set_fan_control_mode,
.set_fan_speed_percent = smu_v11_0_set_fan_speed_percent,
.set_fan_speed_rpm = smu_v11_0_set_fan_speed_rpm,
.set_xgmi_pstate = smu_v11_0_set_xgmi_pstate,
.gfx_off_control = smu_v11_0_gfx_off_control,

1
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
View file

@ -2456,6 +2456,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
.display_clock_voltage_request = smu_v11_0_display_clock_voltage_request,
.get_fan_control_mode = smu_v11_0_get_fan_control_mode,
.set_fan_control_mode = smu_v11_0_set_fan_control_mode,
.set_fan_speed_percent = smu_v11_0_set_fan_speed_percent,
.set_fan_speed_rpm = smu_v11_0_set_fan_speed_rpm,
.set_xgmi_pstate = smu_v11_0_set_xgmi_pstate,
.gfx_off_control = smu_v11_0_gfx_off_control,

1
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
View file

@ -3130,6 +3130,7 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = {
.display_clock_voltage_request = smu_v11_0_display_clock_voltage_request,
.get_fan_control_mode = smu_v11_0_get_fan_control_mode,
.set_fan_control_mode = smu_v11_0_set_fan_control_mode,
.set_fan_speed_percent = smu_v11_0_set_fan_speed_percent,
.set_fan_speed_rpm = smu_v11_0_set_fan_speed_rpm,
.set_xgmi_pstate = smu_v11_0_set_xgmi_pstate,
.gfx_off_control = smu_v11_0_gfx_off_control,

31
drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
View file

@ -1174,6 +1174,35 @@ smu_v11_0_set_fan_static_mode(struct smu_context *smu, uint32_t mode)
return 0;
}
int
smu_v11_0_set_fan_speed_percent(struct smu_context *smu, uint32_t speed)
{
struct amdgpu_device *adev = smu->adev;
uint32_t duty100, duty;
uint64_t tmp64;
if (speed > 100)
speed = 100;
if (smu_v11_0_auto_fan_control(smu, 0))
return -EINVAL;
duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1),
CG_FDO_CTRL1, FMAX_DUTY100);
if (!duty100)
return -EINVAL;
tmp64 = (uint64_t)speed * duty100;
do_div(tmp64, 100);
duty = (uint32_t)tmp64;
WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0,
REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL0),
CG_FDO_CTRL0, FDO_STATIC_DUTY, duty));
return smu_v11_0_set_fan_static_mode(smu, FDO_PWM_MODE_STATIC);
}
int
smu_v11_0_set_fan_control_mode(struct smu_context *smu,
uint32_t mode)
@ -1182,7 +1211,7 @@ smu_v11_0_set_fan_control_mode(struct smu_context *smu,
switch (mode) {
case AMD_FAN_CTRL_NONE:
ret = smu_v11_0_set_fan_speed_rpm(smu, smu->fan_max_rpm);
ret = smu_v11_0_set_fan_speed_percent(smu, 100);
break;
case AMD_FAN_CTRL_MANUAL:
ret = smu_v11_0_auto_fan_control(smu, 0);