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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 66505CCD1AB for ; Fri, 24 Oct 2025 08:13:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=k9PZlmFs4+G6V09YuUs38/TEsI+fOADgB825HrzHznU=; b=aNsKzR0GyNNh6+fzTN4pceNf7i fa5En43tTkyFwpfmRHtFoMexPSqzO5LgJsjZoIPMZ9fg19uCLjj2rZC/HUf8Tt7tCUb/sjptZAauZ 9GPf7m9Kgs1MUPPAoIS4A4vdVTIFtqWna7qn5y+QaV88ta7rAf/HZRI8h0h2zmlJqGFMKm/LEdjiF +IfHaXxrjrwhxeUC9tZEQBjB/E0aMWDti+4d/0B0S2od9wN4BFlvdWsSLMBm0X6kfpfSfgq54hHoE 3ao4qBuNQKakD3gF3bQWgFdVOMXWVXLMIFoZ5sUrPvhENe8U13T6HU0zjeivJlxHkD9KLyq5kS0Bs 76eNZCJg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vCCuy-00000008du3-1S1X; Fri, 24 Oct 2025 08:13:00 +0000 Received: from mail-m21466.qiye.163.com ([117.135.214.66]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vCCuv-00000008dsr-0lPN; Fri, 24 Oct 2025 08:12:58 +0000 Received: from [172.16.12.149] (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 270f1f398; Fri, 24 Oct 2025 16:12:48 +0800 (GMT+08:00) Message-ID: <9ec2189e-ec36-4cd8-9713-beb490b8297c@rock-chips.com> Date: Fri, 24 Oct 2025 16:12:47 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 2/9] drm/bridge: Implement generic USB Type-C DP HPD bridge To: Heikki Krogerus 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 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> Content-Language: en-US From: Chaoyi Chen In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-HM-Tid: 0a9a1547081303abkunmae71b56b2f4984 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQh9PTFYYHU8YGkNDQx0ZTx9WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEtNQk tVSktLVUpCWQY+ DKIM-Signature: a=rsa-sha256; b=cbh7z5oMnHR/DLqyOIDZk4K7gXmeu0Z/ewCxVZLD2lfh51kbnP5gwdZNZ7a3inVN4NoC/E/hL4XmvOdj5FQ0/XmmJ78CkfSevEhzvOTjQ9VpmomjoQ1rpjyzol1iXhudUcEI++95744VHFl5SRJlcN0jA2NbRp7MwZ9xcoa3t1g=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=k9PZlmFs4+G6V09YuUs38/TEsI+fOADgB825HrzHznU=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251024_011257_475472_0071DDE6 X-CRM114-Status: UNSURE ( 7.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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. > > thanks, > -- Best, Chaoyi