Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933240AbcJQIKU (ORCPT ); Mon, 17 Oct 2016 04:10:20 -0400 Received: from mx2.suse.de ([195.135.220.15]:46949 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757801AbcJQHzf (ORCPT ); Mon, 17 Oct 2016 03:55:35 -0400 X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Alex Deucher , Jiri Slaby Subject: [PATCH 3.12 43/84] drm/radeon/si/dpm: add workaround for for Jet parts Date: Mon, 17 Oct 2016 09:51:30 +0200 Message-Id: <88aef089920e0c1ab7c49aeb1539d4119b5219dc.1476690493.git.jslaby@suse.cz> X-Mailer: git-send-email 2.10.1 In-Reply-To: <2d291fde5f706ac081e8cfc0ebe7e31dd534dfe7.1476690493.git.jslaby@suse.cz> References: <2d291fde5f706ac081e8cfc0ebe7e31dd534dfe7.1476690493.git.jslaby@suse.cz> In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1191 Lines: 38 From: Alex Deucher 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit 670bb4fd21c966d0d2a59ad4a99bb4889f9a2987 upstream. Add clock quirks for Jet parts. Reviewed-by: Sonny Jiang Tested-by: Sonny Jiang Signed-off-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Jiri Slaby --- drivers/gpu/drm/radeon/si_dpm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 393217886d98..db9c7d26ed16 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -3012,6 +3012,12 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, if (rdev->pdev->device == 0x6811 && rdev->pdev->revision == 0x81) max_mclk = 120000; + /* limit sclk/mclk on Jet parts for stability */ + if (rdev->pdev->device == 0x6665 && + rdev->pdev->revision == 0xc3) { + max_sclk = 75000; + max_mclk = 80000; + } /* XXX validate the min clocks required for display */ -- 2.10.1