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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CF78FC48BEF for ; Thu, 15 Feb 2024 09:03:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3642110E419; Thu, 15 Feb 2024 09:03:50 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=tq-group.com header.i=@tq-group.com header.b="DXCK50VK"; dkim-atps=neutral Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5048D10E419 for ; Thu, 15 Feb 2024 09:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1707987825; x=1739523825; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zQrS4HbyreGN0s+IdWF/KCYWN7W7xmEy9D7hkjVlPjI=; b=DXCK50VK3L89puTTT9LUjNxz3jdz0ENLzoO1NMh9sFG7dHGYU0DFml57 jlAFUg/BYlnag603X6+bjnqxrxgjipWKN2YTmjRwoh8Y6NmEBjDMcxK0I gVN5Nd4nxrImDIwhzUUpJpiWfpG3NHN/Ca2FSNrzhfrLMuLYU/E+iKt1J P7EZnevVFGK+kj7TMpCC98p7Eq52/BEOeqHeMzBfkiwKf54SAINSosyIa iPNo2s5jZqX1moRdbx6V95iQRS0rVwdxqr8r8CV8f0UgL9kB9MDEQmtF+ Que9I0BzI8KcsjTnbfly88atmtQVvjPRjruG/cxmhxHqEsU2UwSkkaX57 w==; X-IronPort-AV: E=Sophos;i="6.06,161,1705359600"; d="scan'208";a="35419042" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 15 Feb 2024 10:03:40 +0100 Received: from steina-w.localnet (steina-w.tq-net.de [10.123.53.25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by vtuxmail01.tq-net.de (Postfix) with ESMTPSA id D8F34280075; Thu, 15 Feb 2024 10:03:39 +0100 (CET) From: Alexander Stein To: Aradhya Bhatia , Tomi Valkeinen , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sam Ravnborg , dri-devel@lists.freedesktop.org, marex@denx.de, Jan Kiszka Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 0/2] drm/bridge: tc358767: Fix DRM_BRIDGE_ATTACH_NO_CONNECTOR case Date: Thu, 15 Feb 2024 10:03:41 +0100 Message-ID: <3277848.aeNJFYEL58@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <2f3bb86b-6f8c-4807-985e-344a0c47864c@siemens.com> References: <20231108-tc358767-v2-0-25c5f70a2159@ideasonboard.com> <2f3bb86b-6f8c-4807-985e-344a0c47864c@siemens.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi everyone, Am Donnerstag, 15. Februar 2024, 09:53:54 CET schrieb Jan Kiszka: > On 11.12.23 09:07, Aradhya Bhatia wrote: > > On 06/12/23 17:41, Tomi Valkeinen wrote: > >> Hi, > >>=20 > >> On 08/11/2023 14:45, Alexander Stein wrote: > >>> Hi Tomi, > >>>=20 > >>> Am Mittwoch, 8. November 2023, 12:27:21 CET schrieb Tomi Valkeinen: > >>>> These two patches are needed to make tc358767 work in the > >>>> DRM_BRIDGE_ATTACH_NO_CONNECTOR case, at least when using a DP > >>>> connector. > >>>>=20 > >>>> I have tested this with TI AM654 EVM with a tc358767 add-on card > >>>> connected to a DP monitor. > >>>=20 > >>> Just a question regarding the usage of this DSI-DP bridge. > >>> What is the state of the DSI lanes after the DSI host has been > >>> initialized, > >>> but before calling atomic_pre_enable? AFAIK this bridge requires LP-11 > >>> on DSI > >>> at any time for accessing the AUX channel. > >=20 > > + Marek > >=20 > > Marek, Alexander, > >=20 > > A quick grep tells me that you have added devicetree for tc358767 in DSI > > to (e)DP mode on other platforms. Could you please test these patches > > and report if you find any issue? Sorry, I can't provide any feedback here. I've yet to setup the DSI-DP=20 correctly. Best regards, Alexander > Is this the last blocker to move forward with these fixes? I'd really > like to see them finally merged. >=20 > Thanks, > Jan =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/