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 54BE2539789; Tue, 22 Sep 2026 11:03:22 +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=1790075004; cv=none; b=Z7NbfXfjFG3DiDrpW3eeoi9tvtHAZRD90LhYMNe0ZvE5QljjjGtp/CuZg5VLhM9PNwJfe3SaU/Z9w4Z5tXtJ5FRVM/yF4D5Rd9V42tRH9nlJFBMFdSEdhDncTas8vCoet+GhxgMbwyvdM/DR8/pt9V/qC+QSArpd8sdwDJZhMvw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790075004; c=relaxed/simple; bh=ik2TSWWSMDSo+wj+TTDCw/82I6ainBJxGpgZm7BMKIo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Hnmxo97XlEVsgxRgVG1K31P/sUTKcUZwz6iTomJjVZMmjrsYwI153XgMTkfyjYQ7GvQjandIcM/r+50PakZSjI5gXg/1zRiWAYPyn/G3RGy7GfCM9A67QWSOtvsj6U2+mbo6GpKj4ubKHO45CSPzo/XJ6yaPiW7qkvyW/FO0gqA= 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=Xyulv73U; 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="Xyulv73U" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790075003; x=1821611003; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ik2TSWWSMDSo+wj+TTDCw/82I6ainBJxGpgZm7BMKIo=; b=Xyulv73Uptw/sqmR5n7WY2wgvwPg6DLkWYFgyNFjlPMyPLIqMkMg/TWd Pb1vsbcacT0DnAjyFibbSScRgNcyJun+LYPV8Xx7iwqsE5StW9GxMeNIu AWVOsYGijRHePz+VJu1lG8rJxBeARtPtc035yTzAnCyU1FVoX0kf0svgF zgw7QH3I/NhXrFmFX4FhIg6dbq6lXQDUIQUUmAp3bCwLL37wtPXNNLljn 8VyY0ccIF+b6jXOLrCaAm4dgrrQ/lXDeHJPXLIfK8d1OyH3t+lPYki5qi 2pJaTqD5HebFpLvARreWwb9enGCMVYv2Kj2QUbPknzvde845qFzx0+1FL g==; X-CSE-ConnectionGUID: zfHVlbbWS2+Jwwc1xEFVow== X-CSE-MsgGUID: /fHXh1uiQmaAWqTQYno1xw== X-IronPort-AV: E=McAfee;i="6800,10657,11912"; a="116189874" X-IronPort-AV: E=Sophos;i="6.27,116,1787036400"; d="scan'208";a="116189874" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 04:03:22 -0700 X-CSE-ConnectionGUID: jYNSqwELSaymLJSVygnpkw== X-CSE-MsgGUID: JY29+J1BTgifCjMru4fGdw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,116,1787036400"; d="scan'208";a="277871181" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa004.fm.intel.com with ESMTP; 22 Sep 2026 04:03:19 -0700 Received: by black.igk.intel.com (Postfix, from userid 1008) id 1DC5D99; Tue, 22 Sep 2026 13:03:18 +0200 (CEST) Date: Tue, 22 Sep 2026 13:03:18 +0200 From: Heikki Krogerus To: Amber Kao Cc: Amber Kao , Jeson Yang , Yaode Fang , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] usb: typec: ucsi: itepd: Add DisplayPort alternate mode support Message-ID: References: <20260918-ucsi-itepd-it527x-v2-0-7b2d9437cc72@ite.com.tw> <20260918-ucsi-itepd-it527x-v2-2-7b2d9437cc72@ite.com.tw> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260918-ucsi-itepd-it527x-v2-2-7b2d9437cc72@ite.com.tw> On Fri, Sep 18, 2026 at 06:03:44PM +0800, Amber Kao wrote: > Add support for DisplayPort alternate mode. The driver retrieves > the current alternate mode from the PPM, configures the Type-C mux > and retimer accordingly, and reports HPD state and HPD IRQ events > through the DRM auxiliary HPD bridge. > > Signed-off-by: Amber Kao > --- > drivers/usb/typec/ucsi/Kconfig | 8 +- > drivers/usb/typec/ucsi/ucsi_itepd.c | 404 +++++++++++++++++++++++++++++++++++- > 2 files changed, 400 insertions(+), 12 deletions(-) > > diff --git a/drivers/usb/typec/ucsi/Kconfig b/drivers/usb/typec/ucsi/Kconfig > index 0f10dac9b34b..c5eaf4967e4e 100644 > --- a/drivers/usb/typec/ucsi/Kconfig > +++ b/drivers/usb/typec/ucsi/Kconfig > @@ -105,11 +105,15 @@ config UCSI_HUAWEI_GAOKUN > called ucsi_huawei_gaokun. > > config UCSI_ITEPD > - tristate "UCSI Interface Driver for ITE IT8851/IT8853" > + tristate "UCSI Interface Driver for ITE IT885x and IT527x series" > depends on I2C > + depends on DRM || !DRM > + select DRM_AUX_HPD_BRIDGE if DRM_BRIDGE && OF > help > This driver enables UCSI support on platforms that expose an > - ITE IT8851/IT8853 Type-C Power Delivery controller over an I2C interface. > + ITE IT885x or IT527x series Type-C Power Delivery controller > + over an I2C interface. It also supports DisplayPort alternate > + mode, including HPD notification through the DRM bridge. Please split this part into separate patch. Thanks, -- heikki