From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 C0D455FF00 for ; Tue, 23 Jan 2024 15:16:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706022985; cv=none; b=D8NTi8QYRNsa1f2XdYLIYkZZoubEMNK2KO2t3bwMsDta/1gqUjnX32V+3kG9c0fYlyZa2dz83NCqsvgLjhAHdMTI9a7hiBFmqQwxvLvo/PCY/ACr9Eu5AGSsxjEEjdjyKGnwc9naAPpkLQzFCg7Kifr2qYdEyCDrZVI5hAhM3qM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706022985; c=relaxed/simple; bh=2FhW9gTePfaDvmlTVNZYpdZiCIBNlL9w99OhMpgdvfw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XcME/HW+3ycLXn86kHY5OQ25Jo/nnwCPlvMcXouh31xo4XwG9Bl5Cy4AWNzOv53QGJXRrfBts2qilOM8kd3/XW27cO1gkiETRVFADjFMoVZcXKZwySNF17d61rZ1QNrjVQFYikXHclaW68OpqyvyR/LSSbKHk1gFWG8fIycQSVY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=UddWVSR6; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="UddWVSR6" Received: from pendragon.ideasonboard.com (89-27-53-110.bb.dnainternet.fi [89.27.53.110]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 75847BEB; Tue, 23 Jan 2024 16:15:08 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1706022908; bh=2FhW9gTePfaDvmlTVNZYpdZiCIBNlL9w99OhMpgdvfw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UddWVSR6bIs3iFwxw8o2Tsn1HSBMpOIAdYPwGp7EnJZigXRL2QL7Dp+pjmm4fxswX tSFyEPhSI7RKp0ipqGjRP9e94/rQmDmmRbzLfJP9tHRK0oFoYxHZo3t0FTDILmg/RV YzcVhLp8Jv09g0hbnj7GYpbWhjT4xAQOLanAt4Ng= Date: Tue, 23 Jan 2024 17:16:20 +0200 From: Laurent Pinchart To: Sui Jingfeng Cc: David Airlie , Neil Armstrong , Maxime Ripard , Thomas Zimmermann , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/5] drm/bridge: simple-bridge: Extend match support for non-DT based systems Message-ID: <20240123151620.GN10679@pendragon.ideasonboard.com> References: <20240122163220.110788-1-sui.jingfeng@linux.dev> <20240122163220.110788-3-sui.jingfeng@linux.dev> <20240123012139.GD22880@pendragon.ideasonboard.com> <95a7a0b2-615d-49ca-b568-1376a35493c4@linux.dev> 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=utf-8 Content-Disposition: inline In-Reply-To: <95a7a0b2-615d-49ca-b568-1376a35493c4@linux.dev> On Tue, Jan 23, 2024 at 04:20:04PM +0800, Sui Jingfeng wrote: > On 2024/1/23 09:21, Laurent Pinchart wrote: > > On Tue, Jan 23, 2024 at 12:32:17AM +0800, Sui Jingfeng wrote: > >> Which is intended to be used on non-DT environment, where the simple-bridge > >> platform device is created by either the display controller driver side or > >> platform firmware subsystem. > > > > Could you give an example of a platform where you intend to use this ? > > For example: > > 1) USB based display adapter, such as FL2000DX[1] which use > the it66121 HDMI transmitter to convert the RGB888 to HDMI. > > 2) Simple 2D PCIe display controller, such as SM750(EMPV-1201) > which using sii9022 HDMI transmitter to convert the RGB888 > to HDMI. > > 3) Some FPGA PCIe Board (sil9136) > > 4) Be able to run unit test of drm bridges on X86. Thank you, those are useful examples. It would be nice to capture at least some of them (first instance the first two) to the commit message. > [1] https://github.com/FrescoLogic/FL2000 -- Regards, Laurent Pinchart