From: jsg <jsg@openbsd.org>
Date: Wed, 2 Mar 2022 12:50:08 +0000 (+0000)
Subject: drm/amd/pm: fix some OEM SKU specific stability issues
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=86f7dc5bbe222bb2f3563bc19e6019c1aba93f51;p=openbsd

drm/amd/pm: fix some OEM SKU specific stability issues

From Evan Quan
c00e4c01f470f0446556bd99af899bfa26dd9fae in linux 5.15.y/5.15.26
e3f3824874da78db5775a5cb9c0970cd1c6978bc in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/sys/dev/pci/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index b509f1f1a04..3c4fc439497 100644
--- a/sys/dev/pci/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/sys/dev/pci/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -418,6 +418,36 @@ static int sienna_cichlid_store_powerplay_table(struct smu_context *smu)
 	return 0;
 }
 
+static int sienna_cichlid_patch_pptable_quirk(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+	uint32_t *board_reserved;
+	uint16_t *freq_table_gfx;
+	uint32_t i;
+
+	/* Fix some OEM SKU specific stability issues */
+	GET_PPTABLE_MEMBER(BoardReserved, &board_reserved);
+	if ((adev->pdev->device == 0x73DF) &&
+	    (adev->pdev->revision == 0XC3) &&
+	    (adev->pdev->subsystem_device == 0x16C2) &&
+	    (adev->pdev->subsystem_vendor == 0x1043))
+		board_reserved[0] = 1387;
+
+	GET_PPTABLE_MEMBER(FreqTableGfx, &freq_table_gfx);
+	if ((adev->pdev->device == 0x73DF) &&
+	    (adev->pdev->revision == 0XC3) &&
+	    ((adev->pdev->subsystem_device == 0x16C2) ||
+	    (adev->pdev->subsystem_device == 0x133C)) &&
+	    (adev->pdev->subsystem_vendor == 0x1043)) {
+		for (i = 0; i < NUM_GFXCLK_DPM_LEVELS; i++) {
+			if (freq_table_gfx[i] > 2500)
+				freq_table_gfx[i] = 2500;
+		}
+	}
+
+	return 0;
+}
+
 static int sienna_cichlid_setup_pptable(struct smu_context *smu)
 {
 	int ret = 0;
@@ -438,7 +468,7 @@ static int sienna_cichlid_setup_pptable(struct smu_context *smu)
 	if (ret)
 		return ret;
 
-	return ret;
+	return sienna_cichlid_patch_pptable_quirk(smu);
 }
 
 static int sienna_cichlid_tables_init(struct smu_context *smu)