Commit 2d589a5b authored by Kevin Wang's avatar Kevin Wang Committed by Alex Deucher
Browse files

drm/amd/powerplay: add function get_fan_speed_percent for navi10 



add callback function get_fan_speed_percent for navi10 asic

Signed-off-by: default avatarKevin Wang <kevin1.wang@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent da85f081

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

+19 −0
Original line number Diff line number Diff line
@@ -819,6 +819,24 @@ static int navi10_set_thermal_fan_table(struct smu_context *smu) 
	return ret;

}



static int navi10_get_fan_speed_percent(struct smu_context *smu,

					uint32_t *speed)

{

	int ret = 0;

	uint32_t percent = 0;

	uint32_t current_rpm;

	PPTable_t *pptable = smu->smu_table.driver_pptable;



	ret = smu_get_current_rpm(smu, &current_rpm);

	if (ret)

		return ret;



	percent = current_rpm * 100 / pptable->FanMaximumRpm;

	*speed = percent > 100 ? 100 : percent;



	return ret;

}



static const struct pptable_funcs navi10_ppt_funcs = {

	.tables_init = navi10_tables_init,

	.alloc_dpm_context = navi10_allocate_dpm_context,
@@ -846,6 +864,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { 
	.get_current_activity_percent = navi10_get_current_activity_percent,

	.is_dpm_running = navi10_is_dpm_running,

	.set_thermal_fan_table = navi10_set_thermal_fan_table,

	.get_fan_speed_percent = navi10_get_fan_speed_percent,

};



void navi10_set_ppt_funcs(struct smu_context *smu)

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