Commit 33665617 authored by Kevin Wang's avatar Kevin Wang Committed by Alex Deucher
Browse files

drm/amd/powerplay: add helper function of smu_set_hard_freq_range



add this function to get dpm clock 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 0d7cbd28
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+33 −0
Original line number Diff line number Diff line
@@ -93,6 +93,39 @@ int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
	return ret;
}

int smu_set_hard_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_SetHardMaxByFreq,
						  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_SetHardMinByFreq,
						  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)
{
+2 −0
Original line number Diff line number Diff line
@@ -943,4 +943,6 @@ 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);
int smu_set_hard_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
			    uint32_t min, uint32_t max);
#endif