From: jsg <jsg@openbsd.org>
Date: Thu, 22 Jun 2023 05:16:06 +0000 (+0000)
Subject: drm/amd/pm: workaround for compute workload type on some skus
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=41594ca1b207570c9f29f3bd1b65def477bbeb6b;p=openbsd

drm/amd/pm: workaround for compute workload type on some skus

From Kenneth Feng
6f5b5ce9397d91b0a8bc8d15dc8fd72bc0aacaa4 in linux-6.1.y/6.1.35
7ca302d488f80cf4529620acc1c545f9022d8bb8 in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index b306946d43e..d30fdd86ba1 100644
--- a/sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -1677,10 +1677,39 @@ static int smu_v13_0_0_set_power_profile_mode(struct smu_context *smu,
 		}
 	}
 
-	/* conv PP_SMC_POWER_PROFILE* to WORKLOAD_PPLIB_*_BIT */
-	workload_type = smu_cmn_to_asic_specific_index(smu,
+	if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_COMPUTE &&
+		(((smu->adev->pdev->device == 0x744C) && (smu->adev->pdev->revision == 0xC8)) ||
+		((smu->adev->pdev->device == 0x744C) && (smu->adev->pdev->revision == 0xCC)))) {
+		ret = smu_cmn_update_table(smu,
+					   SMU_TABLE_ACTIVITY_MONITOR_COEFF,
+					   WORKLOAD_PPLIB_COMPUTE_BIT,
+					   (void *)(&activity_monitor_external),
+					   false);
+		if (ret) {
+			dev_err(smu->adev->dev, "[%s] Failed to get activity monitor!", __func__);
+			return ret;
+		}
+
+		ret = smu_cmn_update_table(smu,
+					   SMU_TABLE_ACTIVITY_MONITOR_COEFF,
+					   WORKLOAD_PPLIB_CUSTOM_BIT,
+					   (void *)(&activity_monitor_external),
+					   true);
+		if (ret) {
+			dev_err(smu->adev->dev, "[%s] Failed to set activity monitor!", __func__);
+			return ret;
+		}
+
+		workload_type = smu_cmn_to_asic_specific_index(smu,
+						       CMN2ASIC_MAPPING_WORKLOAD,
+						       PP_SMC_POWER_PROFILE_CUSTOM);
+	} else {
+		/* conv PP_SMC_POWER_PROFILE* to WORKLOAD_PPLIB_*_BIT */
+		workload_type = smu_cmn_to_asic_specific_index(smu,
 						       CMN2ASIC_MAPPING_WORKLOAD,
 						       smu->power_profile_mode);
+	}
+
 	if (workload_type < 0)
 		return -EINVAL;