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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 9CF9DC07E9B for ; Tue, 20 Jul 2021 15:19:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 827C4610F7 for ; Tue, 20 Jul 2021 15:19:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239014AbhGTOhm (ORCPT ); Tue, 20 Jul 2021 10:37:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234905AbhGTORU (ORCPT ); Tue, 20 Jul 2021 10:17:20 -0400 Received: from mail-ot1-x330.google.com (mail-ot1-x330.google.com [IPv6:2607:f8b0:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FD60C061766 for ; Tue, 20 Jul 2021 07:53:41 -0700 (PDT) Received: by mail-ot1-x330.google.com with SMTP id h24-20020a9d64180000b029036edcf8f9a6so21777911otl.3 for ; Tue, 20 Jul 2021 07:53:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=j09lu3sICtnVWYbFQVf04X58J7J9DzrYfN54qh1JeP8=; b=ImwZmUTbQ1ngxEuIoZFjF/bP/zahZJ+7NJ9/6qY4DJQB/hYLzUuloIM75qHIeXH6dV Q6AOIDxTD7W9bj6TOp1x4KTmlk0CDYTUrLVPn/k8bkZR9FDj0tjR9d+g/WuRjiF65llR nEuw6sCuWe9aKfWNnjgUEPREI/MT4WRg85yTo= 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=j09lu3sICtnVWYbFQVf04X58J7J9DzrYfN54qh1JeP8=; b=CY2/jqBPJDob+lm0RwdzzzGWp0hm1ySTL8UZFFH/yO5VXypqETNZLB4SqW+M0P5NPr o0Z/3gAphiKjPKiIurpzv1lw36U3ESCf+LuGJ9pKpy/KJz5vnxP/YRR9E1qPsDsLXX4c N7NRVFoAaTa6SDH0HDo9aH5BllAzmi19VAB9skWfDYNPeIAnvx94AaaHJ8pMGdxNCyef koJjUl+oHjYyNZc+wkssb+YdZW0ESuQH+ecIICPvDcc6/IDlOkW+W1Q5VbUpOnpqkt0x ZIS8WVHHuhcuh4jxToCJAiK+rzYm0n3bSWG3Cgz0LjTtrHutXcVlRrKf7kcRtd6OW8ug rAnA== X-Gm-Message-State: AOAM5307mc+GNYnqh5193zF7gN6M+TW9pcgocQjKFptxAYwztrlU7raX To9wQ1ZNZz5RK9eYvR39JfSoh9ZFCoy+YeiyEHTDeA== X-Google-Smtp-Source: ABdhPJzl9J0lkEu4CIIjY+U4b76K2eGMh6WUo5jGAXXEoYBh2685zCiCh40ygbBUtWz6N55Q1gllGQQLiVPua84eQ6A= X-Received: by 2002:a05:6830:2802:: with SMTP id w2mr21307426otu.303.1626792820912; Tue, 20 Jul 2021 07:53:40 -0700 (PDT) MIME-Version: 1.0 References: <20210714145804.2530727-1-geert@linux-m68k.org> In-Reply-To: From: Daniel Vetter Date: Tue, 20 Jul 2021 16:53:29 +0200 Message-ID: Subject: Re: [PATCH resend 0/5] video: fbdev: ssd1307fb: Optimizations and improvements To: Geert Uytterhoeven Cc: Sam Ravnborg , David Airlie , Maxime Ripard , Linux Fbdev development list , Linux Kernel Mailing List , DRI Development Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org On Thu, Jul 15, 2021 at 8:54 AM Geert Uytterhoeven wrote: > > Hi Sam, > > On Wed, Jul 14, 2021 at 5:27 PM Sam Ravnborg wrote: > > On Wed, Jul 14, 2021 at 04:57:59PM +0200, Geert Uytterhoeven wrote: > > > This patch series optimizes console operations on ssd1307fb, after the > > > customary fixes and cleanups. > > > > What is required to to have a drm driver that could do the same? > > Add monochrome support to DRM? I think the bits that are missing for that are - wiring up the conversion from R* formats to their fbdev counterparts in the emulation helper (if you want to support userspace sending the native format directly through fbdev Everything else is there and we have drivers doing this, e.g. drm/tiny/repaper.c. -Daniel > > > Note: I will take a look at the patches a bit later. > > TIA! > > 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 -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch