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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A370C433B4 for ; Mon, 19 Apr 2021 08:01:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E93E60FE6 for ; Mon, 19 Apr 2021 08:01:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229842AbhDSIBl (ORCPT ); Mon, 19 Apr 2021 04:01:41 -0400 Received: from mail-ua1-f48.google.com ([209.85.222.48]:43824 "EHLO mail-ua1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237972AbhDSIBi (ORCPT ); Mon, 19 Apr 2021 04:01:38 -0400 Received: by mail-ua1-f48.google.com with SMTP id a8so7569623uan.10 for ; Mon, 19 Apr 2021 01:01:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=BUpGwjpEu/4vLb0RdqZG1KLsDpmabVtYAByt0suTszU=; b=Gm4gjYJoF4jOYadRV8EkyYvNoJYA3RLOnuonED+AWQ2gizO94pDjmOOtU4mLZNHceg OmRiYJUhYc5vWCZrahkpzNN/cL+R8F7hNnFwVZLo/6jAaMjCKywItcQkjUuneXxybXBL l4v80koMXPQjM+pPIaqugWANtXw1yM3MqGH+MjY1HHnwV5GF492GwLVtc3Davm6XuMfk Ko4NCCKFyC+CAwRAMPT1ptYMwfVl2gktlExBAtNGH70+myNHUfRi8JvN7gl0DaWOm1n3 FIuAuuyWherDCI1h9z/+EBehM54ach13ApdiXkMnres+RcKCRHZj7mmkqxsotgKv2KNa BL5Q== X-Gm-Message-State: AOAM530PBfDodQhnD2jLhNhiTEEUbhe1pgs2Ed5+VYzXPfXYDYLOJBEa w5ybqdMRfE1kRE3s/mUgLJovWkMugIdbDksCYRo= X-Google-Smtp-Source: ABdhPJxWhSqaSXDdtxTrt8N0QC9ouc95t3YD202R1UAd81UELN2SUsFdr7jUmXmQOOF/DBgt7DAQOC6q/DvsGEPBMvg= X-Received: by 2002:ab0:2c16:: with SMTP id l22mr6342516uar.100.1618819267298; Mon, 19 Apr 2021 01:01:07 -0700 (PDT) MIME-Version: 1.0 References: <20210416090048.11492-1-tzimmermann@suse.de> In-Reply-To: <20210416090048.11492-1-tzimmermann@suse.de> From: Geert Uytterhoeven Date: Mon, 19 Apr 2021 10:00:56 +0200 Message-ID: Subject: Re: [PATCH v4 0/9] drm: Support simple-framebuffer devices and firmware fbs To: Thomas Zimmermann Cc: Daniel Vetter , David Airlie , Maarten Lankhorst , Maxime Ripard , Gerd Hoffmann , Jonathan Corbet , Liam Girdwood , Mark Brown , Sam Ravnborg , Rob Herring , Emil Velikov , Hans de Goede , bluescreen_avenger@verizon.net, Greg KH , DRI Development , "open list:DOCUMENTATION" , virtualization@lists.linux-foundation.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Hi Thomas, On Fri, Apr 16, 2021 at 11:00 AM Thomas Zimmermann wrote: > This patchset adds support for simple-framebuffer platform devices and > a handover mechanism for native drivers to take-over control of the > hardware. > > The new driver, called simpledrm, binds to a simple-frambuffer platform > device. The kernel's boot code creates such devices for firmware-provided > framebuffers, such as EFI-GOP or VESA. Typically the BIOS, UEFI or boot > loader sets up the framebuffers. Description via device tree is also an > option. I guess this can be used as a replacement for offb, too... > Patches 4 to 8 add the simpledrm driver. It's build on simple DRM helpers > and SHMEM. It supports 16-bit, 24-bit and 32-bit RGB framebuffers. During .... if support for 8-bit frame buffers would be added? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds