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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A44B5EB64D7 for ; Fri, 30 Jun 2023 17:42:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A57210E4D5; Fri, 30 Jun 2023 17:42:45 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id D9BAB10E4D5 for ; Fri, 30 Jun 2023 17:42:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688146963; x=1719682963; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=6ISUeTd0XhjdV8+62msVXrrY1/WzccMTu3hMk/d62SY=; b=VpG+LmHeOXivnOR19WOYNKeKNmxB3iDkoSf06IEedCmvm/exclmt9fia nCpHQ2CHxgiY1sTTHJa7pXi8vvOOSaLgf1cKe5W5voy6rDU1DEJo94sxe IhQbYHBo5foSWn5G2RuQaJF9xIfrw/68OY/mixOFN9W/peLVT2J3vp0HI DJ5eH1qXdanGDHF4URr+HIYxpH8SxIqQ6aiq7ccEbDdcdzUkVpPX85vPo r8Fq2DAPQnUodowofvDiYr1Hr9TlFHgMoUP6zaK9rLlNqrqb0hUNXYzH1 B6Px4UMDOq2gX9vqNqxS4lrPCROtUqEnuDy8D0OyvPk5BBoZcvxnzkIb7 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10757"; a="428497332" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="428497332" 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 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 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: x86@kernel.org, linux-fbdev@vger.kernel.org, Randy Dunlap , Thomas Zimmermann , Arnd Bergmann , Greg Kroah-Hartman , Helge Deller , Dave Hansen , linux-kernel@vger.kernel.org, Maxime Ripard , Sam Ravnborg , Ingo Molnar , Borislav Petkov , dri-devel@lists.freedesktop.org, "H. Peter Anvin" , Geert Uytterhoeven , Thomas Gleixner Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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