[PATCH] drm/amd/pm: support more DPM features for SMU 13.0.0

Alex Deucher alexander.deucher at amd.com
Tue May 3 20:08:39 UTC 2022


From: Evan Quan <evan.quan at amd.com>

To pair with 78.30.0 PMFW, support more dpm features:
  - UCLK DPM (disabled temporarily)
  - VMEMP Scaling (disabled temporarily)
  - VDDIO Scaling (disabled temporarily)
  - GFXCLK DS
  - SOCCLK DS
  - MPCLK Deep Sleep on VDD_SOC
  - MPCLK Deep Sleep on VDD_BACO
  - Memory Temperature Reading (disabled temporarily)

Signed-off-by: Evan Quan <evan.quan at amd.com>
Reviewed-by: Likun Gao <Likun.Gao at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 74d7fa3dc00d..b43884cf939c 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -225,6 +225,22 @@ smu_v13_0_0_get_allowed_feature_mask(struct smu_context *smu,
 
 	*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DF_CSTATE_BIT);
 
+#if 0
+	if (adev->pm.pp_feature & PP_MCLK_DPM_MASK) {
+		*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DPM_UCLK_BIT);
+		*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_VMEMP_SCALING_BIT);
+		*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_VDDIO_MEM_SCALING_BIT);
+	}
+
+	*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_MEM_TEMP_READ_BIT);
+#endif
+
+	if (adev->pm.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
+		*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DS_GFXCLK_BIT);
+	*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DS_SOCCLK_BIT);
+	*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_SOC_MPCLK_DS_BIT);
+	*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_BACO_MPCLK_DS_BIT);
+
 	return 0;
 }
 
-- 
2.35.1



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