[PATCH 3/3] drm/amd/pm: enable more Pstates profile levels for SMU v13.0.4

[Tim Huang <Tim.Huang@xxxxxxx>]

This patch enables following UMD stable Pstates profile
levels for power_dpm_force_performance_level interface.

- profile_peak
- profile_min_mclk
- profile_min_sclk
- profile_standard

Signed-off-by: Tim Huang <Tim.Huang@xxxxxxx>
---
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c  | 54 ++++++++++++++++++-
 1 file changed, 53 insertions(+), 1 deletion(-)

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 315a6d8bde2e..ef37dda9908f 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
@@ -54,6 +54,10 @@
 
 #define FEATURE_MASK(feature) (1ULL << feature)
 
+#define SMU_13_0_4_UMD_PSTATE_GFXCLK			938
+#define SMU_13_0_4_UMD_PSTATE_SOCCLK			938
+#define SMU_13_0_4_UMD_PSTATE_FCLK			1875
+
 #define SMC_DPM_FEATURE ( \
 	FEATURE_MASK(FEATURE_CCLK_DPM_BIT) | \
 	FEATURE_MASK(FEATURE_VCN_DPM_BIT)	 | \
@@ -908,6 +912,50 @@ static int smu_v13_0_4_force_clk_levels(struct smu_context *smu,
 	return ret;
 }
 
+static int smu_v13_0_4_get_dpm_profile_freq(struct smu_context *smu,
+					enum amd_dpm_forced_level level,
+					enum smu_clk_type clk_type,
+					uint32_t *min_clk,
+					uint32_t *max_clk)
+{
+	int ret = 0;
+	uint32_t clk_limit = 0;
+
+	switch (clk_type) {
+	case SMU_GFXCLK:
+	case SMU_SCLK:
+		clk_limit = SMU_13_0_4_UMD_PSTATE_GFXCLK;
+		if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)
+			smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SCLK, NULL, &clk_limit);
+		else if (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK)
+			smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SCLK, &clk_limit, NULL);
+		break;
+	case SMU_SOCCLK:
+		clk_limit = SMU_13_0_4_UMD_PSTATE_SOCCLK;
+		if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)
+			smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SOCCLK, NULL, &clk_limit);
+		break;
+	case SMU_FCLK:
+		clk_limit = SMU_13_0_4_UMD_PSTATE_FCLK;
+		if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)
+			smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_FCLK, NULL, &clk_limit);
+		else if (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK)
+			smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_FCLK, &clk_limit, NULL);
+		break;
+	case SMU_VCLK:
+		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_VCLK, NULL, &clk_limit);
+		break;
+	case SMU_DCLK:
+		smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_DCLK, NULL, &clk_limit);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	*min_clk = *max_clk = clk_limit;
+	return ret;
+}
+
 static int smu_v13_0_4_set_performance_level(struct smu_context *smu,
 					     enum amd_dpm_forced_level level)
 {
@@ -955,7 +1003,11 @@ static int smu_v13_0_4_set_performance_level(struct smu_context *smu,
 	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
 	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
 	case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
-		/* Temporarily do nothing since the optimal clocks haven't been provided yet */
+		smu_v13_0_4_get_dpm_profile_freq(smu, level, SMU_SCLK, &sclk_min, &sclk_max);
+		smu_v13_0_4_get_dpm_profile_freq(smu, level, SMU_FCLK, &fclk_min, &fclk_max);
+		smu_v13_0_4_get_dpm_profile_freq(smu, level, SMU_SOCCLK, &socclk_min, &socclk_max);
+		smu_v13_0_4_get_dpm_profile_freq(smu, level, SMU_VCLK, &vclk_min, &vclk_max);
+		smu_v13_0_4_get_dpm_profile_freq(smu, level, SMU_DCLK, &dclk_min, &dclk_max);
 		break;
 	case AMD_DPM_FORCED_LEVEL_MANUAL:
 	case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT:
-- 
2.34.1