Commit 775c7e8e authored by Asad Kamal's avatar Asad Kamal Committed by Alex Deucher
Browse files

drm/amd/pm: Add smu interface for temp metrics 



Add smu interface to get baseboard/gpuboard temperature metrics

v2: Rename is_support to is_supported(Lijo)

Signed-off-by: default avatarAsad Kamal <asad.kamal@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 83953ec1

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

+29 −0
Original line number Diff line number Diff line
@@ -3831,6 +3831,33 @@ int smu_set_pm_policy(struct smu_context *smu, enum pp_pm_policy p_type, 
	return ret;

}



static ssize_t smu_sys_get_temp_metrics(void *handle, enum smu_temp_metric_type type, void *table)

{

	struct smu_context *smu = handle;



	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)

		return -EOPNOTSUPP;



	if (!smu->smu_temp.temp_funcs || !smu->smu_temp.temp_funcs->get_temp_metrics)

		return -EOPNOTSUPP;



	return smu->smu_temp.temp_funcs->get_temp_metrics(smu, type, table);

}



static bool smu_temp_metrics_is_supported(void *handle, enum smu_temp_metric_type type)

{

	struct smu_context *smu = handle;

	bool ret = false;



	if (!smu->pm_enabled)

		return false;



	if (smu->smu_temp.temp_funcs && smu->smu_temp.temp_funcs->temp_metrics_is_supported)

		ret = smu->smu_temp.temp_funcs->temp_metrics_is_supported(smu, type);



	return ret;

}



static ssize_t smu_sys_get_xcp_metrics(void *handle, int xcp_id, void *table)

{

	struct smu_context *smu = handle;
@@ -3903,6 +3930,8 @@ static const struct amd_pm_funcs swsmu_pm_funcs = { 
	.get_dpm_clock_table              = smu_get_dpm_clock_table,

	.get_smu_prv_buf_details = smu_get_prv_buffer_details,

	.get_xcp_metrics                  = smu_sys_get_xcp_metrics,

	.get_temp_metrics             = smu_sys_get_temp_metrics,

	.temp_metrics_is_supported      = smu_temp_metrics_is_supported,

};



int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,

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

+27 −0
Original line number Diff line number Diff line
@@ -396,6 +396,10 @@ struct smu_dpm_context { 
	struct smu_dpm_policy_ctxt *dpm_policies;

};



struct smu_temp_context {

	const struct smu_temp_funcs      *temp_funcs;

};



struct smu_power_gate {

	bool uvd_gated;

	bool vce_gated;
@@ -529,6 +533,7 @@ struct smu_context { 
	struct smu_table_context	smu_table;

	struct smu_dpm_context		smu_dpm;

	struct smu_power_context	smu_power;

	struct smu_temp_context		smu_temp;

	struct smu_feature		smu_feature;

	struct amd_pp_display_configuration  *display_config;

	struct smu_baco_context		smu_baco;
@@ -623,6 +628,28 @@ struct smu_context { 


struct i2c_adapter;



/**

 * struct smu_temp_funcs - Callbacks used to get temperature data.

 */

struct smu_temp_funcs {

	/**

	 * @get_temp_metrics: Calibrate voltage/frequency curve to fit the system's

	 *           power delivery and voltage margins. Required for adaptive

	 * @type Temperature metrics type(baseboard/gpuboard)

	 * Return: Size of &table

	 */

	ssize_t (*get_temp_metrics)(struct smu_context *smu,

				    enum smu_temp_metric_type type, void *table);



	/**

	 * @temp_metrics_is_support: Get if specific temperature metrics is supported

	 * @type Temperature metrics type(baseboard/gpuboard)

	 * Return: true if supported else false

	 */

	bool (*temp_metrics_is_supported)(struct smu_context *smu, enum smu_temp_metric_type type);



};



/**

 * struct pptable_funcs - Callbacks used to interact with the SMU.

 */