From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m1973198.qiye.163.com (mail-m1973198.qiye.163.com [220.197.31.98]) (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 B5082283C82; Sun, 5 Jul 2026 10:53:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.98 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783248784; cv=none; b=JH/36QzH4dG5zl+5c3QMOQtC81eCnMkr3eUUkdATD/kWf4aLJrs3foO/vNyLPg50Xhfit0qy5okHgnYzKlV0OXhO7uH3fwAhY9rS3SERg+KjT7uO769aZbyUzP0c/4ptinUIzuQKKjpsbWRTHHhdxMLrBhR57+v3lzNqTy7aqXA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783248784; c=relaxed/simple; bh=uPI828nTo/0iCTmF11IIT0XLKOHO0YFN/tYS6JthVlo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=iHhuZAMoUV0/pbMBhe3ydgnA/8dRqYouMChzwN1yV57ooIIDzFfTNm1+e5hd9C3aEP+80cnPjwJdf+UTlqBpQC2UDJAVUPj+nX3AmYARL8GJHBYHEMnpKU+kQB+X2SSAmFzqeBr/W9Brhb0fEYwN/sBsW32jB4rC+tiEdqR1kKM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com; spf=pass smtp.mailfrom=rock-chips.com; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b=KiCDzC/F; arc=none smtp.client-ip=220.197.31.98 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b="KiCDzC/F" Received: from [172.16.12.90] (unknown [61.154.14.86]) by smtp.qiye.163.com (Hmail) with ESMTP id 44f01c1f6; Sun, 5 Jul 2026 17:37:12 +0800 (GMT+08:00) Message-ID: <6bb87b1f-6877-45bd-a140-48536503259f@rock-chips.com> Date: Sun, 5 Jul 2026 17:37:10 +0800 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] usb: typec: altmodes: select DRM_AUX_HPD_BRIDGE for TYPEC_DP_ALTMODE To: Julian Braha , Xu Yang , Heikki Krogerus , Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Chaoyi Chen References: <20260705065832.184-1-kernel@airkyi.com> Content-Language: en-US From: Chaoyi Chen In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-HM-Tid: 0a9f31a395f703a7kunm0b364f9355ea36 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWRgWCB1ZQUpXWS1ZQUlXWQ8JGhUIEh9ZQVkaQ09OVhgdT0pNTh5PT0oaGlYVFA kWGhdVEwETFhoSFyQUDg9ZV1kYEgtZQVlNSlVKTk9VSk9VQ01ZV1kWGg8SFR0UWUFZT0tIVUpLSU 9PT0hVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=KiCDzC/FqKtu25buESo8+sF0m+gRSGZiafXT1WGmJbKSl0xelaDH1xBWuuD/9wkHFWZCQ8TfunKSyQUyWpPPEriMu9ZpuCXLVgbix0eLYP/Swru4xYlYyaIYee1x7D1nRQCuZAsvHKoFqvF/t08e1ekvqf3leY2MypCmjAtFfdU=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=zqvHFGs4T06Ko3WwbEzbqwOwYYN8mnJIG2bQqSgRSSY=; h=date:mime-version:subject:message-id:from; Hi Julian, On 7/5/2026 5:20 PM, Julian Braha wrote: > Hi all, > > On 7/5/26 07:58, Chaoyi Chen wrote: >> + imply DRM_AUX_HPD_BRIDGE if DRM_BRIDGE && OF > > When I suggested that 'imply' may be more appropriate here on v1, I was > hoping to have more of a conversation first. > > 'Imply' is safer to use than 'select', and intended for use when the > option is highly preferred (but not actually required). > > Perhaps Xu could provide an opinion? > I think this is reasonable, as x86 works fine without DRM_AUX_HPD_BRIDGE. -- Best, Chaoyi