Commit d427cf8f authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amd/powerplay: support fan speed retrieval on arcturus 



Support arcturus fan speed retrieval.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarKevin Wang <kevin1.wang@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 631807f0

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

+40 −0
Original line number Diff line number Diff line
@@ -994,6 +994,44 @@ static int arcturus_read_sensor(struct smu_context *smu, 
	return ret;

}



static int arcturus_get_fan_speed_rpm(struct smu_context *smu,

				      uint32_t *speed)

{

	SmuMetrics_t metrics;

	int ret = 0;



	if (!speed)

		return -EINVAL;



	ret = arcturus_get_metrics_table(smu, &metrics);

	if (ret)

		return ret;



	*speed = metrics.CurrFanSpeed;



	return ret;

}



static int arcturus_get_fan_speed_percent(struct smu_context *smu,

					  uint32_t *speed)

{

	PPTable_t *pptable = smu->smu_table.driver_pptable;

	uint32_t percent, current_rpm;

	int ret = 0;



	if (!speed)

		return -EINVAL;



	ret = arcturus_get_fan_speed_rpm(smu, &current_rpm);

	if (ret)

		return ret;



	percent = current_rpm * 100 / pptable->FanMaximumRpm;

	*speed = percent > 100 ? 100 : percent;



	return ret;

}



static int arcturus_get_current_clk_freq_by_table(struct smu_context *smu,

				       enum smu_clk_type clk_type,

				       uint32_t *value)
@@ -1475,6 +1513,8 @@ static const struct pptable_funcs arcturus_ppt_funcs = { 
	.print_clk_levels = arcturus_print_clk_levels,

	.force_clk_levels = arcturus_force_clk_levels,

	.read_sensor = arcturus_read_sensor,

	.get_fan_speed_percent = arcturus_get_fan_speed_percent,

	.get_fan_speed_rpm = arcturus_get_fan_speed_rpm,

	/* debug (internal used) */

	.dump_pptable = arcturus_dump_pptable,

};