From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 38C4915FCEB; Tue, 30 Jul 2024 06:20:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722320459; cv=none; b=R24GVbgIQ59oCS5nHnGgGlTuxsOceaOWGMtEMOa0RRd3WCLVqjPTMjVYa4+b1rNSJE2XHGIwW8A6heFcmyoV+U1PtJWZKpzBWFFt+8qMVE+PJ49SKjrdm6iuxqyPUglY/9rVTHbZzB6xKaTwyYzV8WoStxjCvS6jYx/xd02ms3A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722320459; c=relaxed/simple; bh=ZEn+kLQh+MCk0r4OKoaJ3rs4HBr/OuaPYlVIDQjhFZQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=th3FG9mpq/EAdUuCBg4kulzNCvngKa3WxBoUIi646P3fD41DQLYDa9D9ny1V3eYfkyLjLC3ZjjOSh4DHK35NnlX0oXsnNmtOsqI5nTO1qsDQsuG06Gds9kXpKD8ercoGwv+q1nnAgbkZo1A4nLjUZiBPPF0dWEbQqPfymAXnNN4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=JmrfFXmG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="JmrfFXmG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48211C4AF09; Tue, 30 Jul 2024 06:20:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1722320458; bh=ZEn+kLQh+MCk0r4OKoaJ3rs4HBr/OuaPYlVIDQjhFZQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JmrfFXmGjMwrYowxZg80Od6UI+qnsVaIH7qtah4m2wZpfj/XrPE90VovwNrzrjkGm 6kBkvs6sIpWmCQZyT/1TGWViL3CnjErkVHJ+lkwMCWMkf76N7yO44CoHI0baczNS7M 7lwNzo/U3nQlmmOhhjBACJoJnQwK1OtJb0KEll/4= Date: Tue, 30 Jul 2024 08:20:55 +0200 From: Greg KH To: "Lin, Wayne" Cc: "kevin@holm.dev" , Linux regressions mailing list , "Deucher, Alexander" , "Wu, Hersen" , "stable@vger.kernel.org" , LKML , ML dri-devel , "amd-gfx@lists.freedesktop.org" Subject: Re: [REGRESSION] No image on 4k display port displays connected through usb-c dock in kernel 6.10 Message-ID: <2024073028-rectified-antler-a65b@gregkh> References: <9ca719e4-2790-4804-b2cb-4812899adfe8@leemhuis.info> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Jul 30, 2024 at 05:56:42AM +0000, Lin, Wayne wrote: > [Public] > > Hi, > Thanks for the report. > > Patch fa57924c76d995 ("drm/amd/display: Refactor function dm_dp_mst_is_port_support_mode()") > is kind of correcting problems causing by commit: > 4df96ba6676034 ("drm/amd/display: Add timing pixel encoding for mst mode validation") > > Sorry if it misses fixes tag and would suggest to backport to fix it. Thanks! Please submit a backported version to the stable@vger.kernel.org list and we will be glad to consider it. thanks, greg k-h