drm/amdgpu/swsmu: drop set_fan_speed_percent (v2)

No longer needed as we can calculate it based on
the fan's max rpm.

v2: minor code rework
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h

@@ -573,7 +573,6 @@ struct pptable_funcs {
 	int (*conv_power_profile_to_pplib_workload)(int power_profile);
 	uint32_t (*get_fan_control_mode)(struct smu_context *smu);
 	int (*set_fan_control_mode)(struct smu_context *smu, uint32_t mode);
-	int (*set_fan_speed_percent)(struct smu_context *smu, uint32_t speed);
 	int (*set_fan_speed_rpm)(struct smu_context *smu, uint32_t speed);
 	int (*set_xgmi_pstate)(struct smu_context *smu, uint32_t pstate);
 	int (*gfx_off_control)(struct smu_context *smu, bool enable);

drivers/gpu/drm/amd/pm/inc/smu_v11_0.h

@@ -200,9 +200,6 @@ 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);
 

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

@@ -2217,14 +2217,19 @@ 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_percent)
-		ret = smu->ppt_funcs->set_fan_speed_percent(smu, speed);
+	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);
+	}
 
 	mutex_unlock(&smu->mutex);
 

drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c

@@ -2363,7 +2363,6 @@ 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,

drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c

@@ -2631,7 +2631,6 @@ 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,

drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c

@@ -2778,7 +2778,6 @@ 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,

drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c

@@ -1099,35 +1099,6 @@ 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)
@@ -1136,7 +1107,7 @@ 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_percent(smu, 100);
+		ret = smu_v11_0_set_fan_speed_rpm(smu, smu->fan_max_rpm);
 		break;
 	case AMD_FAN_CTRL_MANUAL:
 		ret = smu_v11_0_auto_fan_control(smu, 0);