Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932088AbcDRDKD (ORCPT ); Sun, 17 Apr 2016 23:10:03 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36420 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754287AbcDRCgC (ORCPT ); Sun, 17 Apr 2016 22:36:02 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alex Deucher Subject: [PATCH 4.4 020/137] drm/radeon: add a dpm quirk for all R7 370 parts Date: Mon, 18 Apr 2016 11:28:02 +0900 Message-Id: <20160418022508.649098748@linuxfoundation.org> X-Mailer: git-send-email 2.8.0 In-Reply-To: <20160418022507.236379264@linuxfoundation.org> References: <20160418022507.236379264@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 891 Lines: 32 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit 0e5585dc870af947fab2af96a88c2d8b4270247c upstream. Higher mclk values are not stable due to a bug somewhere. Limit them for now. Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/si_dpm.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -3010,6 +3010,10 @@ static void si_apply_state_adjust_rules( } ++p; } + /* limit mclk on all R7 370 parts for stability */ + if (rdev->pdev->device == 0x6811 && + rdev->pdev->revision == 0x81) + max_mclk = 120000; if (rps->vce_active) { rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;