Commit fcdb3832 authored by Tim Huang's avatar Tim Huang Committed by Alex Deucher
Browse files

drm/amd/pm: enable vclk and dclk Pstates for SMU v13.0.5 



Add the ability to control the vclk and dclk frequency by
power_dpm_force_performance_level interface.

Signed-off-by: default avatarTim Huang <Tim.Huang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatar&nbsp;Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d50dc746

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c

+29 −0
Original line number Diff line number Diff line
@@ -983,19 +983,31 @@ static int smu_v13_0_5_set_performance_level(struct smu_context *smu, 
{

	struct amdgpu_device *adev = smu->adev;

	uint32_t sclk_min = 0, sclk_max = 0;

	uint32_t vclk_min = 0, vclk_max = 0;

	uint32_t dclk_min = 0, dclk_max = 0;

	int ret = 0;



	switch (level) {

	case AMD_DPM_FORCED_LEVEL_HIGH:

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_SCLK, NULL, &sclk_max);

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_VCLK, NULL, &vclk_max);

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_DCLK, NULL, &dclk_max);

		sclk_min = sclk_max;

		vclk_min = vclk_max;

		dclk_min = dclk_max;

		break;

	case AMD_DPM_FORCED_LEVEL_LOW:

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, NULL);

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_VCLK, &vclk_min, NULL);

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_DCLK, &dclk_min, NULL);

		sclk_max = sclk_min;

		vclk_max = vclk_min;

		dclk_max = dclk_min;

		break;

	case AMD_DPM_FORCED_LEVEL_AUTO:

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, &sclk_max);

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_VCLK, &vclk_min, &vclk_max);

		smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_DCLK, &dclk_min, &dclk_max);

		break;

	case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:

	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
@@ -1023,6 +1035,23 @@ static int smu_v13_0_5_set_performance_level(struct smu_context *smu, 
		smu->gfx_actual_soft_max_freq = sclk_max;

	}



	if (vclk_min && vclk_max) {

		ret = smu_v13_0_5_set_soft_freq_limited_range(smu,

							      SMU_VCLK,

							      vclk_min,

							      vclk_max);

		if (ret)

			return ret;

	}



	if (dclk_min && dclk_max) {

		ret = smu_v13_0_5_set_soft_freq_limited_range(smu,

							      SMU_DCLK,

							      dclk_min,

							      dclk_max);

		if (ret)

			return ret;

	}

	return ret;

}