Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934005AbcKILKB (ORCPT ); Wed, 9 Nov 2016 06:10:01 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:55216 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933454AbcKILJq (ORCPT ); Wed, 9 Nov 2016 06:09:46 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tom St Denis , Alex Deucher Subject: [PATCH 4.8 106/138] drm/radeon/si_dpm: Limit clocks on HD86xx part Date: Wed, 9 Nov 2016 11:46:29 +0100 Message-Id: <20161109102849.779135068@linuxfoundation.org> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161109102844.808685475@linuxfoundation.org> References: <20161109102844.808685475@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 993 Lines: 35 4.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Tom St Denis commit fb9a5b0c1c9893db2e0d18544fd49e19d784a87d upstream. Limit clocks on a specific HD86xx part to avoid crashes (while awaiting an appropriate PP fix). Signed-off-by: Tom St Denis Reviewed-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/si_dpm.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -3021,6 +3021,12 @@ static void si_apply_state_adjust_rules( max_sclk = 75000; max_mclk = 80000; } + /* limit clocks on HD8600 series */ + if (rdev->pdev->device == 0x6660 && + rdev->pdev->revision == 0x83) { + max_sclk = 75000; + max_mclk = 80000; + } if (rps->vce_active) { rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;