From: Likun Gao <Likun.Gao@xxxxxxx>
Add fan1_target set interface to set fan speed for hwmon.
Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
Reviewed-by: Kevin Wang <kevin1.wang@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 12 ++++++++--
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 31 ++++++++++++++++++++++++++
3 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 9413c39..6bc80c1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1606,7 +1606,11 @@ static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
u32 value;
u32 pwm_mode;
- pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+ if (is_support_sw_smu(adev))
+ pwm_mode = smu_get_fan_control_mode(&adev->smu);
+ else
+ pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+
if (pwm_mode != AMD_FAN_CTRL_MANUAL)
return -ENODATA;
@@ -1619,7 +1623,11 @@ static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
if (err)
return err;
- if (adev->powerplay.pp_funcs->set_fan_speed_rpm) {
+ if (is_support_sw_smu(adev)) {
+ err = smu_set_fan_speed_rpm(&adev->smu, value);
+ if (err)
+ return err;
+ } else if (adev->powerplay.pp_funcs->set_fan_speed_rpm) {
err = amdgpu_dpm_set_fan_speed_rpm(adev, value);
if (err)
return err;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index ef2b807..8464fdb 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -536,6 +536,7 @@ struct smu_funcs
int (*set_fan_control_mode)(struct smu_context *smu, uint32_t mode);
int (*get_fan_speed_percent)(struct smu_context *smu, uint32_t *speed);
int (*set_fan_speed_percent)(struct smu_context *smu, uint32_t speed);
+ int (*set_fan_speed_rpm)(struct smu_context *smu, uint32_t speed);
};
#define smu_init_microcode(smu) \
@@ -588,6 +589,8 @@ struct smu_funcs
((smu)->funcs->update_od8_settings ? (smu)->funcs->update_od8_settings((smu), (index), (value)) : 0)
#define smu_get_current_rpm(smu, speed) \
((smu)->funcs->get_current_rpm ? (smu)->funcs->get_current_rpm((smu), (speed)) : 0)
+#define smu_set_fan_speed_rpm(smu, speed) \
+ ((smu)->funcs->set_fan_speed_rpm ? (smu)->funcs->set_fan_speed_rpm((smu), (speed)) : 0)
#define smu_send_smc_msg(smu, msg) \
((smu)->funcs->send_smc_msg? (smu)->funcs->send_smc_msg((smu), (msg)) : 0)
#define smu_send_smc_msg_with_param(smu, msg, param) \
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index c0bc4f4..4864de4 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1863,6 +1863,36 @@ 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,
@@ -1918,6 +1948,7 @@ 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)
--
2.7.4
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