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Commit 0d7cbd28 authored by Kevin Wang's avatar Kevin Wang Committed by Alex Deucher
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drm/amd/powerplay: add helper function of smu_set_soft_freq_range 



add this helper function to get dpm clk information.

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 8b3d243e

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

+33 −0
Original line number Diff line number Diff line
@@ -60,6 +60,39 @@ int smu_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t 
	return ret;

}



int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,

			    uint32_t min, uint32_t max)

{

	int ret = 0, clk_id = 0;

	uint32_t param;



	if (min <= 0 && max <= 0)

		return -EINVAL;



	clk_id = smu_clk_get_index(smu, clk_type);

	if (clk_id < 0)

		return clk_id;



	if (max > 0) {

		param = (uint32_t)((clk_id << 16) | (max & 0xffff));

		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxByFreq,

						  param);

		if (ret)

			return ret;

	}



	if (min > 0) {

		param = (uint32_t)((clk_id << 16) | (min & 0xffff));

		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMinByFreq,

						  param);

		if (ret)

			return ret;

	}





	return ret;

}



int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,

			   uint32_t *min, uint32_t *max)

{

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

+2 −0
Original line number Diff line number Diff line
@@ -941,4 +941,6 @@ int smu_get_dpm_level_count(struct smu_context *smu, enum smu_clk_type clk_type, 
			    uint32_t *value);

int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,

			   uint32_t *min, uint32_t *max);

int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,

			    uint32_t min, uint32_t max);

#endif