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 C34B8EB64DA for ; Fri, 30 Jun 2023 17:42:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232119AbjF3Rmo (ORCPT ); Fri, 30 Jun 2023 13:42:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231361AbjF3Rmn (ORCPT ); Fri, 30 Jun 2023 13:42:43 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86EFF1FF2; Fri, 30 Jun 2023 10:42:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688146962; x=1719682962; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=6ISUeTd0XhjdV8+62msVXrrY1/WzccMTu3hMk/d62SY=; b=eUiMJSrFu+hpssucqKqLf+CkFN/0vQsAwZvogeltSJs7MuR2K3xtuC1R avUgqqhldIHPgf7MhwMoaHggahW+gY9Kq6F4hpZiVfhiZZRwQq41rhlXa mhIIbW0gXWp5rzwgxYrmIrznv4fmAYoGf4z+B/Rb7tmQ/SfHdufGMVXLu QqGmdqc0X8HqgjaHIpwwDVYnk193YyXBmE7R1FEePOmRSKH1hcQf5Bp23 2qJmSCckBY/lD/BsH4BE2HTG5gUxV8U8PaxeVXY3Y+yg3TyxJPWAocmUP idYZR1LecotWq/6yGijn+wKn2tXe+J0a68rC2Ou+sEvuPMYzLVM5/DGbW g==; X-IronPort-AV: E=McAfee;i="6600,9927,10757"; a="428497331" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="428497331" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2023 10:42:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10757"; a="964480373" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="964480373" Received: from smile.fi.intel.com ([10.237.72.54]) by fmsmga006.fm.intel.com with ESMTP; 30 Jun 2023 10:42:23 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.96) (envelope-from ) id 1qFI8T-001AUw-09; Fri, 30 Jun 2023 20:42:21 +0300 Date: Fri, 30 Jun 2023 20:42:20 +0300 From: Andy Shevchenko To: Javier Martinez Canillas Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven , Thomas Zimmermann , Arnd Bergmann , Borislav Petkov , Daniel Vetter , Dave Hansen , David Airlie , Greg Kroah-Hartman , "H. Peter Anvin" , Helge Deller , Ingo Molnar , Maarten Lankhorst , Maxime Ripard , Randy Dunlap , Sam Ravnborg , Thomas Gleixner , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH 0/2] Allow disabling all native fbdev drivers and only keeping DRM emulation Message-ID: References: <20230629225113.297512-1-javierm@redhat.com> <878rc0etqe.fsf@minerva.mail-host-address-is-not-set> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <878rc0etqe.fsf@minerva.mail-host-address-is-not-set> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org On Fri, Jun 30, 2023 at 07:38:01PM +0200, Javier Martinez Canillas wrote: > Andy Shevchenko writes: > > On Fri, Jun 30, 2023 at 12:51:02AM +0200, Javier Martinez Canillas wrote: > >> This patch series splits the fbdev core support in two different Kconfig > >> symbols: FB and FB_CORE. The motivation for this is to allow CONFIG_FB to > >> be disabled, while still having the the core fbdev support needed for the > >> CONFIG_DRM_FBDEV_EMULATION to be enabled. The motivation is automatically > >> disabling all fbdev drivers instead of having to be disabled individually. > >> > >> The reason for doing this is that now with simpledrm, there's no need for > >> the legacy fbdev (e.g: efifb or vesafb) drivers anymore and many distros > > > > How does simpledrm works with earlycon=efi? > > > > simpledrm isn't for earlycon. For that you use a different driver (i.e: > drivers/firmware/efi/earlycon.c). I'm just talking about fbdev drivers > here that could be replaced by simpledrm. So, efifb can't be replaced. Please, fix your cover letter to reduce false impression of the scope of usage of the simpledrm. -- With Best Regards, Andy Shevchenko