From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B871AC433F5 for ; Mon, 15 Nov 2021 15:46:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 99D13610CA for ; Mon, 15 Nov 2021 15:46:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236728AbhKOPs6 (ORCPT ); Mon, 15 Nov 2021 10:48:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:56882 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236577AbhKOPsx (ORCPT ); Mon, 15 Nov 2021 10:48:53 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9EE8F610CA; Mon, 15 Nov 2021 15:45:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1636991158; bh=jP/73MGAVW3Fz/kknJhdLjRgzGxgC4xHoDArMyHNhLs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KdP1XBN4eVeOSdOVwCjkiKIup/O+R8CDeQubCBNudYfConmhitX396Eu/vtJ0d1oO IMvV3yhh/0WJmXi11mqYnFjISmPus+iGfW8e1dlPIy7w6G76WAbS5vpdnvgzPQb+RO lsVFqC66+HY0BcUdInXaa/kO1f5tvV/k1SKOjP5M= Date: Mon, 15 Nov 2021 16:45:55 +0100 From: Greg KH To: Mario Limonciello Cc: stable@vger.kernel.org, Alex Deucher Subject: Re: [PATCH v2] drm/amd/display: Look at firmware version to determine using dmub on dcn21 Message-ID: References: <20211115153655.4870-1-mario.limonciello@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211115153655.4870-1-mario.limonciello@amd.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Nov 15, 2021 at 09:36:55AM -0600, Mario Limonciello wrote: > commit 91adec9e0709 ("drm/amd/display: Look at firmware version to > determine using dmub on dcn21") > > Newer DMUB firmware on Renoir and Green Sardine do not need to disable > dmcu and this actually causes problems with DP-C alt mode for a number of > machines. > > Backport the fix from this from hand modified backport because mainline > switched to IP version checking which doesn't exist in linux-stable. > > BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1772 > BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1735 > Signed-off-by: Mario Limonciello > Reviewed-by: Alex Deucher > --- > Changes from v1->v2: > * Update commit message syntax for hand modified commit > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) What tree(s) are you wanting this backported to? thanks, greg k-h