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 B4633C433EF for ; Mon, 15 Nov 2021 16:16:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E17063210 for ; Mon, 15 Nov 2021 16:16:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231542AbhKOQTi (ORCPT ); Mon, 15 Nov 2021 11:19:38 -0500 Received: from mail.kernel.org ([198.145.29.99]:34534 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232236AbhKOQT2 (ORCPT ); Mon, 15 Nov 2021 11:19:28 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 82C5460F26; Mon, 15 Nov 2021 16:16:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1636992993; bh=7e+9rZ/xDzKrRii7qIt/dyC4yXmh91QvEb5sm2/oQNU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hX1CLeprqyMN+jI59EhRvbvIVJMDpVFz/sYwmke0uQ8sN3npUqM2fA330uC8D7cL5 bbMNGb4wRYow8jyFB5iiMdM3NE3ZupXUGtXIIDCDdi9uJCe8+4tqmPkoGiLfEzp2ls TWJpDjHYG3RnqC6MKwsmP7qcf6WwfCdvpBo+pqpg= Date: Mon, 15 Nov 2021 17:16:30 +0100 From: Greg KH To: "Limonciello, Mario" Cc: "stable@vger.kernel.org" , "Deucher, Alexander" 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: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Nov 15, 2021 at 03:47:24PM +0000, Limonciello, Mario wrote: > [AMD Official Use Only] > > > -----Original Message----- > > From: Greg KH > > Sent: Monday, November 15, 2021 09:46 > > To: Limonciello, Mario > > Cc: stable@vger.kernel.org; Deucher, Alexander > > > > Subject: Re: [PATCH v2] drm/amd/display: Look at firmware version to > > determine using dmub on dcn21 > > > > 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://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitla > > b.freedesktop.org%2Fdrm%2Famd%2F- > > %2Fissues%2F1772&data=04%7C01%7Cmario.limonciello%40amd.com% > > 7C6601c50631344fa7148208d9a84f050a%7C3dd8961fe4884e608e11a82d994e1 > > 83d%7C0%7C0%7C637725879609631767%7CUnknown%7CTWFpbGZsb3d8eyJ > > WIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D% > > 7C3000&sdata=jIGJARLqpAL6Vc6AyK8qVj1yZ7qFm5sXFj%2FerhoMEUc > > %3D&reserved=0 > > > BugLink: > > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitla > > b.freedesktop.org%2Fdrm%2Famd%2F- > > %2Fissues%2F1735&data=04%7C01%7Cmario.limonciello%40amd.com% > > 7C6601c50631344fa7148208d9a84f050a%7C3dd8961fe4884e608e11a82d994e1 > > 83d%7C0%7C0%7C637725879609631767%7CUnknown%7CTWFpbGZsb3d8eyJ > > WIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D% > > 7C3000&sdata=t8iG0MlBgncmZ5Py%2FhWuWBHMbSCCK%2BtFTV4faxcl > > N3c%3D&reserved=0 > > > 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? > > 5.13+ Now queued up, thanks. greg k-h