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 54790CCD1AB for ; Fri, 24 Oct 2025 08:25:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3FAC210E096; Fri, 24 Oct 2025 08:25:18 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="OapFwaJC"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2D02310E096 for ; Fri, 24 Oct 2025 08:25:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761294316; x=1792830316; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=Su77VAXqOYKI/uPo+vnRq2iX0IBZ8Qp0155copD2Rp0=; b=OapFwaJCyjD6VzCzcEtb+DOMGZC8CfgeKmqm/r/Opw3ob5y7dQuMhI8Q u6QmKYql8O57MOXjL+ejS6FrOPqTNYou3dzxyrA61YHXmJ3tiNJuxUaIu ynanICU+4apVqx9s6FN2AeESsERlr1eNc3XKCbbEg+S/9ABK+O+JViBDn +a6zAP0Nwh/CFlN5VCPxxNNiaRqEgxwnM8ImoOR8Q6edfQHNkR5icngB1 2P7Ev3L76yiCXD6z+ewFAa0t5H52Fw+1UhKnwaXI39XrajmP19IJRizwg bV31UKxSMfvHREZk4DbCkO5VZyHvBdp4rMK6v1nB/5NBsXerDo6Mb+kDk Q==; X-CSE-ConnectionGUID: ibGdwircQBunwUawqfTD5g== X-CSE-MsgGUID: ttAHdDswSuylggsmRBygYQ== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="63177825" X-IronPort-AV: E=Sophos;i="6.19,251,1754982000"; d="scan'208";a="63177825" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Oct 2025 01:25:16 -0700 X-CSE-ConnectionGUID: zSEWs0AsRK2pZW8DgxM5Gg== X-CSE-MsgGUID: 7AQ1HnpnQ3CYhcbzXYq0kw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,251,1754982000"; d="scan'208";a="188669001" Received: from mjruhl-desk.amr.corp.intel.com (HELO kuha.fi.intel.com) ([10.124.221.255]) by orviesa004.jf.intel.com with SMTP; 24 Oct 2025 01:25:05 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Fri, 24 Oct 2025 11:25:04 +0300 Date: Fri, 24 Oct 2025 11:25:04 +0300 From: Heikki Krogerus To: Chaoyi Chen Cc: Greg Kroah-Hartman , Dmitry Baryshkov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Dragan Simic , Johan Jonker , Diederik de Haas , Peter Robinson , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v7 2/9] drm/bridge: Implement generic USB Type-C DP HPD bridge Message-ID: References: <20251023033009.90-1-kernel@airkyi.com> <20251023033009.90-3-kernel@airkyi.com> <14b8ac71-489b-4192-92d6-5f228ff3881d@rock-chips.com> <6f769567-b383-4c79-b441-3dd84f21cdae@rock-chips.com> <9ec2189e-ec36-4cd8-9713-beb490b8297c@rock-chips.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <9ec2189e-ec36-4cd8-9713-beb490b8297c@rock-chips.com> 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" On Fri, Oct 24, 2025 at 04:12:47PM +0800, Chaoyi Chen wrote: > On 10/24/2025 3:36 PM, Heikki Krogerus wrote: > > > > Another thing is that CONFIG_DRM_AUX_HPD_BRIDGE originally needed to be > > > selected by other modules. With this change, we also need to expose it in > > > Kconfig. > > Sorry, I don't understand the problem here? What do you need to expose > > in Kconfig? > > config DRM_AUX_HPD_BRIDGE >     tristate >     depends on DRM_BRIDGE && OF >     select AUXILIARY_BUS >     help >       Simple bridge that terminates the bridge chain and provides HPD >       support. > > The tristate here is empty, so now it can only be selected by some TypeC > controller drivers. I think it's not a big deal, just expose this item. Ah, got it. thanks, -- heikki