From 239b5f64e12b1f09f506c164dff0374924782979 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 21 Nov 2017 12:09:38 -0500
Subject: [PATCH] drm/radeon: Add dpm quirk for Jet PRO (v2)
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Git-commit: 239b5f64e12b1f09f506c164dff0374924782979
Patch-mainline: v4.16-rc1
References: bsc#1051510

Fixes stability issues.

V2: clamp sclk to 600 Mhz

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=103370
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/radeon/si_dpm.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2984,6 +2984,11 @@ static void si_apply_state_adjust_rules(
 		    (rdev->pdev->device == 0x6667)) {
 			max_sclk = 75000;
 		}
+		if ((rdev->pdev->revision == 0xC3) ||
+		    (rdev->pdev->device == 0x6665)) {
+			max_sclk = 60000;
+			max_mclk = 80000;
+		}
 	} else if (rdev->family == CHIP_OLAND) {
 		if ((rdev->pdev->revision == 0xC7) ||
 		    (rdev->pdev->revision == 0x80) ||