Commit bed3b3a1 authored by Kevin Wang's avatar Kevin Wang Committed by Alex Deucher
Browse files

drm/amd/powerplay: implement get_current_clk_freq for smu11 



This patch implements get_current_clk_freq for smu11 future use.

Signed-off-by: default avatarKevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e66adb1e

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

+3 −0
Original line number Diff line number Diff line
@@ -251,6 +251,7 @@ struct smu_funcs 
	int (*disable_all_mask)(struct smu_context *smu);

	int (*notify_display_change)(struct smu_context *smu);

	int (*get_power_limit)(struct smu_context *smu);

	int (*get_current_clk_freq)(struct smu_context *smu, uint32_t clk_id, uint32_t *value);

};



#define smu_init_microcode(smu) \
@@ -327,6 +328,8 @@ struct smu_funcs 
	((smu)->ppt_funcs->populate_umd_state_clk ? (smu)->ppt_funcs->populate_umd_state_clk((smu)) : 0)

#define smu_get_power_limit(smu) \

	((smu)->funcs->get_power_limit? (smu)->funcs->get_power_limit((smu)) : 0)

#define smu_get_current_clk_freq(smu, clk_id, value) \

	((smu)->funcs->get_current_clk_freq? (smu)->funcs->get_current_clk_freq((smu), (clk_id), (value)) : 0)



#define smu_msg_get_index(smu, msg) \

	((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL)

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

+24 −0
Original line number Diff line number Diff line
@@ -757,6 +757,29 @@ static int smu_v11_0_get_power_limit(struct smu_context *smu) 
	return 0;

}



static int smu_v11_0_get_current_clk_freq(struct smu_context *smu, uint32_t clk_id, uint32_t *value)

{

	int ret = 0;

	uint32_t freq;



	if (clk_id >= PPCLK_COUNT || !value)

		return -EINVAL;



	ret = smu_send_smc_msg_with_param(smu,

			SMU_MSG_GetDpmClockFreq, (clk_id << 16));

	if (ret)

		return ret;



	ret = smu_read_smc_arg(smu, &freq);

	if (ret)

		return ret;



	freq *= 100;

	*value = freq;



	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,
@@ -786,6 +809,7 @@ static const struct smu_funcs smu_v11_0_funcs = { 
	.disable_all_mask = smu_v11_0_disable_all_mask,

	.notify_display_change = smu_v11_0_notify_display_change,

	.get_power_limit = smu_v11_0_get_power_limit,

	.get_current_clk_freq = smu_v11_0_get_current_clk_freq,

};



void smu_v11_0_set_smu_funcs(struct smu_context *smu)

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