From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 82B24304968; Fri, 24 Oct 2025 08:25:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761294318; cv=none; b=P4jqpuBTYYffsB4y60wsgBL5e2mWoK2CPkE9yJgh8iy4r2oAETxTXrAt5t6JYV1SW+u+wsAgH0iM82hsuBavCG5XhdKQbqPSkam5SqJg3hcnW3mygOgvKShcFxvcHNFj/jWg99DTAoHo0ng2NXncF5m6u5nlHKcdUBfOQ3vu0lQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761294318; c=relaxed/simple; bh=Su77VAXqOYKI/uPo+vnRq2iX0IBZ8Qp0155copD2Rp0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jlaFXo3bpSRLhdeRbsBQVvtVUS7ZWfDdBS7S59IkzDw4Nb3nUlIvwRFLrb2bUJmc8fkUeYfl3zbSnwXlP80MJ+kPfDtf7TF0KZZDQWKS310zl/hn9Uc02cT1gh96V4pMUJ3rczvnhs92MNl/BZdWTpIshgDu/cjQNZfMf6sJ+/0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TbX5OGka; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TbX5OGka" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761294317; x=1792830317; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=Su77VAXqOYKI/uPo+vnRq2iX0IBZ8Qp0155copD2Rp0=; b=TbX5OGkapoyLFrWpaSD5BOwfhK7Ysq0PW0alQcx6E/VpsurS0fFAud3D TP2Jrijkt/5f8q/d1xKkrqJS0hodbJuwY/ep8EpFOqvobzuTUxRSrq8mp v7lGPJOkC7DypgEcNkue8bbc3NlYZ+M8iVPI/Hv/aKXnct4b0re3XFLnh ZboqGo/wS3MeWy8N8Bt1eUM89RP+yk1hRaFT+uKn/E6TxlSoQPa6udqS9 avE/NDJrsCISJqKq4wLV5+RBpl7XgoFxGRfdryRPm/sSBa01eQX1AzFd6 PBVRxLKF1imR47lrDTZjP+UL030jyyiVclD67dZaPE6dt1rvwsRzkgcW7 Q==; X-CSE-ConnectionGUID: jBndhUaKQOS/in/+fqpRfQ== X-CSE-MsgGUID: u3zBr7+wSjKS7va9UeEXWA== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="88941818" X-IronPort-AV: E=Sophos;i="6.19,251,1754982000"; d="scan'208";a="88941818" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa101.fm.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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> 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