From: Tim Huang <Tim.Huang@amd.com>
Date: Fri, 2 Jun 2023 08:57:12 +0000 (+0800)
Subject: drm/amd/pm: enable vclk and dclk Pstates for SMU v13.0.4
X-Git-Tag: v6.6.7~2401^2~12^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2d0ee64e9846ed4036fd11c5b900a21039ee8b7a;p=platform%2Fkernel%2Flinux-starfive.git

drm/amd/pm: enable vclk and dclk Pstates for SMU v13.0.4

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

Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
index 999b07db862e..315a6d8bde2e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
@@ -915,6 +915,8 @@ static int smu_v13_0_4_set_performance_level(struct smu_context *smu,
 	uint32_t sclk_min = 0, sclk_max = 0;
 	uint32_t fclk_min = 0, fclk_max = 0;
 	uint32_t socclk_min = 0, socclk_max = 0;
+	uint32_t vclk_min = 0, vclk_max = 0;
+	uint32_t dclk_min = 0, dclk_max = 0;
 	int ret = 0;
 
 	switch (level) {
@@ -922,22 +924,32 @@ static int smu_v13_0_4_set_performance_level(struct smu_context *smu,
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SCLK, NULL, &sclk_max);
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_FCLK, NULL, &fclk_max);
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SOCCLK, NULL, &socclk_max);
+		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_VCLK, NULL, &vclk_max);
+		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_DCLK, NULL, &dclk_max);
 		sclk_min = sclk_max;
 		fclk_min = fclk_max;
 		socclk_min = socclk_max;
+		vclk_min = vclk_max;
+		dclk_min = dclk_max;
 		break;
 	case AMD_DPM_FORCED_LEVEL_LOW:
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, NULL);
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_FCLK, &fclk_min, NULL);
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SOCCLK, &socclk_min, NULL);
+		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_VCLK, &vclk_min, NULL);
+		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_DCLK, &dclk_min, NULL);
 		sclk_max = sclk_min;
 		fclk_max = fclk_min;
 		socclk_max = socclk_min;
+		vclk_max = vclk_min;
+		dclk_max = dclk_min;
 		break;
 	case AMD_DPM_FORCED_LEVEL_AUTO:
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, &sclk_max);
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_FCLK, &fclk_min, &fclk_max);
 		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SOCCLK, &socclk_min, &socclk_max);
+		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_VCLK, &vclk_min, &vclk_max);
+		smu_v13_0_4_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:
@@ -983,6 +995,23 @@ static int smu_v13_0_4_set_performance_level(struct smu_context *smu,
 			return ret;
 	}
 
+	if (vclk_min && vclk_max) {
+		ret = smu_v13_0_4_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_4_set_soft_freq_limited_range(smu,
+							      SMU_DCLK,
+							      dclk_min,
+							      dclk_max);
+		if (ret)
+			return ret;
+	}
 	return ret;
 }