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 75C1CEB64DC for ; Fri, 30 Jun 2023 17:44:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231361AbjF3Rn7 (ORCPT ); Fri, 30 Jun 2023 13:43:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232281AbjF3Rn6 (ORCPT ); Fri, 30 Jun 2023 13:43:58 -0400 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DFA58199B; Fri, 30 Jun 2023 10:43:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688147036; x=1719683036; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=I1kCbYOYtU84AgQILFjkzypl9YavoPrVMeRutm6k2fc=; b=Yhdo5qP/2KeuUEfmewR633linpvmiaUQkba311QmcQLgsJxUfVkVKLd+ hh+ZtZHmXAHSb0KodpsrOu/SpeaCDjtFe5GSuKfLpGPJ4/DE+nPes8tBx DZX1ons/dwMLgIBuZSX2Ybn1UHdNPdgPh6fNkVu1cxWtRuMXpDBS6fwAw swbdpbdgvoMaBx6BgAyb2iFhlhzrzxWhfmT0YWMqoK2rm0MMbu7Hpo8AF 4jApWgiABH0GBqhU3rjrPxjXX0p3ZPjvj1Ams3mEAq8TUvjZqOWW2JkbD tGIY5zYUGusWPedLtuCwjcKHRbZ5kYwKLpcB4hWh6S8PB6TifbuFX7pPX g==; X-IronPort-AV: E=McAfee;i="6600,9927,10757"; a="352273548" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="352273548" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2023 10:43:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10757"; a="787790740" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="787790740" Received: from smile.fi.intel.com ([10.237.72.54]) by fmsmga004.fm.intel.com with ESMTP; 30 Jun 2023 10:43:51 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.96) (envelope-from ) id 1qFI9s-001AXB-1Z; Fri, 30 Jun 2023 20:43:48 +0300 Date: Fri, 30 Jun 2023 20:43:48 +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: 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 08:42:21PM +0300, Andy Shevchenko wrote: > 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: ... > > >> 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. Or tell how it can be used for earlycon on EFI platforms (if it can be). -- With Best Regards, Andy Shevchenko