From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21C92C63684 for ; Wed, 26 Jan 2022 13:08:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237673AbiAZNIx (ORCPT ); Wed, 26 Jan 2022 08:08:53 -0500 Received: from mga04.intel.com ([192.55.52.120]:8277 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233873AbiAZNIv (ORCPT ); Wed, 26 Jan 2022 08:08:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643202531; x=1674738531; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=QoWttKHIwySovLh54+n/rDLYKaoGyIVOjoeQpsMFcHg=; b=eNcofZPcl0bFqwYymqesYiyfMZmbF6wKWN2fQkiO6QjngNlH4mb3jwEA fDy8KGuir5ed6Oyj8BcnNkvuJRITx6tC9HgnbXAWWiF7EWWL3+dZSxbM5 ceK42QFfQNoXu/ZGr5DiVyKiYAXoc6WfQpJNGyXIF/7mCW36B3Hg7K9t8 YYPlkeGCu6/WLlhRKziTxRHf5+GXHlCHDBbGPyA9SJ/4Xicf+zK14PTui 6HG90VYAA5J5rN1GwpdjcJYYRqx34DZr5kWH6InJqsF1o4NdTRMik2CXd hOMgjRFdnxz1TzhBydf8dCWSYTcqZfl30I6GDAkg4TBsRq96SVq+27HhZ w==; X-IronPort-AV: E=McAfee;i="6200,9189,10238"; a="245378237" X-IronPort-AV: E=Sophos;i="5.88,318,1635231600"; d="scan'208";a="245378237" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2022 05:08:50 -0800 X-IronPort-AV: E=Sophos;i="5.88,318,1635231600"; d="scan'208";a="532753138" Received: from smile.fi.intel.com ([10.237.72.61]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2022 05:08:47 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.95) (envelope-from ) id 1nCi1V-00EbTv-05; Wed, 26 Jan 2022 15:07:41 +0200 Date: Wed, 26 Jan 2022 15:07:40 +0200 From: Andy Shevchenko To: Helge Deller Cc: Daniel Vetter , Greg Kroah-Hartman , Andy Shevchenko , linux-fbdev@vger.kernel.org, Michael Hennerich , linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Phillip Potter , Carlis , Lee Jones , Heiner Kallweit Subject: Re: [PATCH v1 1/4] fbtft: Unorphan the driver Message-ID: References: <20220125202118.63362-1-andriy.shevchenko@linux.intel.com> <20220125202118.63362-2-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 26, 2022 at 12:17:08PM +0100, Helge Deller wrote: > On 1/26/22 11:31, Daniel Vetter wrote: > > On Wed, Jan 26, 2022 at 9:31 AM Greg Kroah-Hartman > > wrote: ... > > On the other hand ... why does it have to be resurrecting fbdev? > > There's an entire community of people who really know graphics and > > display and spent considerable amount of effort on creating useful and > > documented helpers for pretty much anything you might ever want to do. > > And somehow we have to go back to typing out things the hard way, with > > full verbosity, for an uapi that distros are abandoning (e.g. even for > > sdl the direction is to run it on top of drm with a compat layer, > > afaiui fedora is completely ditching any userspace that still even > > uses /dev/fb/0). And yes I know there's still some gaps in drm, > > largely for display features which were really en vogue about 20 years > > ago. And we're happy to add that support, if someone who still has > > such hardware can put in the little bit of work needed ... > > > > I don't get this. > > You are describing a transitioning over to DRM - which is Ok. > But on that way there is no need to ignore, deny or even kill usage scenarios > which are different compared to your usage scenarios (e.g. embedded devices, > old platforms, slow devices, slow busses, no 3D hardware features, > low-color devices, ...). Exactly, I am on the same side here. -- With Best Regards, Andy Shevchenko