From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 D3A2C18C009 for ; Fri, 25 Oct 2024 06:49:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729838990; cv=none; b=q59kp7fqI0P5GsPoDCmA4bbkEsyFaUxsLHfRY6i6U6327fVbmZUpjbCCtedmo6Qgqp0ZgQ4ZBCTKvDb1c8NmRWunMHysmz/w0bp4DVELlJJNxeUUvdWEhTRwqp3iVNd6VqTuQLomK9ZC+sba0qgzzeqTuAZ9/GIeviCI+g6utNE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729838990; c=relaxed/simple; bh=bgVyMsSmVSEGWK3+yajMbLw9KAyfRGpVGmXbXurIBF8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tAogHuIv7mee3XALVSseqwA+Ng1HntjYz6Mgslkgp7pwAnOXKyAxC8LGat0g7ytEtQKecYBcSea+JsR0LoyT5IG11k2//fTorLXu0+et79RxwY/3kAOkrND05wB/n/FDuCOQMObe/sVZvQwpj2xruzLGiyJgidS+EHhKj4OVIq0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=b81W4b39; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none 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="b81W4b39" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729838988; x=1761374988; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=bgVyMsSmVSEGWK3+yajMbLw9KAyfRGpVGmXbXurIBF8=; b=b81W4b39BxoBNbEyXbnO8TyDx7R9qGsHpm6g3XrLrko+yDfJCtjHA+MG 6AFcmLIaHTlb1dULu5UWAQLRAJV+BgT08upRGChYjuHlf/OHgBsia3K5d MvlJlbbCbZPQFee08Rpzq37VNTkxE4A35oY336JhhRyL6gNkytfzaX7hr r2nKnZqjnhLF2e2on6BOXZoZOUD3dq9P+PPrBy/NwD7qLB4aWVRgLABuG cBbYxH3XD/o7q/Q11uwuH74GWfTzTU90kM8HlmOQy3uEaPtlvpnNVF8hI 01hNcMRyw/dZQ4lZTQcegkje1TOrPN7Fp3rwt4DSoIb0UKberRtF1KY60 g==; X-CSE-ConnectionGUID: sURzIPqXSbqvPnGeqr/4pA== X-CSE-MsgGUID: Dz/DA6EVRK+4AmPxjHHGDg== X-IronPort-AV: E=McAfee;i="6700,10204,11235"; a="40117119" X-IronPort-AV: E=Sophos;i="6.11,231,1725346800"; d="scan'208";a="40117119" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Oct 2024 23:49:48 -0700 X-CSE-ConnectionGUID: 7d+nKMwdQeqY9C11XMitoQ== X-CSE-MsgGUID: QD3UYyWeRPegA7six6SwzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,231,1725346800"; d="scan'208";a="81258377" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Oct 2024 23:49:45 -0700 Received: from kekkonen.localdomain (localhost [127.0.0.1]) by kekkonen.fi.intel.com (Postfix) with SMTP id 239D211FA70; Fri, 25 Oct 2024 09:49:43 +0300 (EEST) Date: Fri, 25 Oct 2024 06:49:43 +0000 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo From: Sakari Ailus To: Hans Verkuil Cc: Dongcheng Yan , linux-media@vger.kernel.org, laurent.pinchart@ideasonboard.com, tomi.valkeinen@ideasonboard.com, jacopo.mondi@ideasonboard.com, daxing.li@intel.com, hao.yao@intel.com, dongcheng.yan@linux.intel.com Subject: Re: [PATCH v3] media: i2c: add lt6911uxe hdmi bridge driver Message-ID: References: <20241017030831.3248879-1-dongcheng.yan@intel.com> <5b42e37a-810d-45e4-8552-c9299837a16a@xs4all.nl> Precedence: bulk X-Mailing-List: linux-media@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: <5b42e37a-810d-45e4-8552-c9299837a16a@xs4all.nl> Hi Hans, On Wed, Oct 23, 2024 at 02:28:02PM +0200, Hans Verkuil wrote: > Hi Dongcheng, > > Since this is an HDMI receiver, you need to implement the DV Timings API. "Must"? Why? I don't know the tc358743 driver but it'd unlikely to work with current CSI-2 RX drivers. They expect the LINK_FREQ control for instance, not the DV timing API. -- Regards, Sakari Ailus