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 8D80DEB64DA for ; Wed, 5 Jul 2023 09:06:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231574AbjGEJGZ (ORCPT ); Wed, 5 Jul 2023 05:06:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231424AbjGEJGY (ORCPT ); Wed, 5 Jul 2023 05:06:24 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF86110FB for ; Wed, 5 Jul 2023 02:05:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1688547939; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=FkUdoB9ukiXu+GwQPoh7yLjinOj86HTx0mJIEOcNqHk=; b=XF2Ty5+4s9gCoV8n7LHDoERopxwpo86Ru71klVOgsVxem42AWvqjL4FWU5cuNfpp4ZcgGJ +Gj+zebDnCrm9a2VVpf9BShSfLHI0tEDWaK9b0Hnl350HBR197RlLimghqxXqI77MDnhtg eUCJ2C7y9G03mXz01L0MP9koQZrdso8= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-279-OxJMakPlPG6kp-zaRlTe-A-1; Wed, 05 Jul 2023 05:05:37 -0400 X-MC-Unique: OxJMakPlPG6kp-zaRlTe-A-1 Received: by mail-wm1-f69.google.com with SMTP id 5b1f17b1804b1-3fa9a282fffso37737665e9.1 for ; Wed, 05 Jul 2023 02:05:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688547937; x=1691139937; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=FkUdoB9ukiXu+GwQPoh7yLjinOj86HTx0mJIEOcNqHk=; b=DGyourdr4EaUQVuFoqpAVa6yGDOA4EjqUCXFhOzt7XhYKJMplrZGaL3rC1eOWt1DZp q6eTkUovBFNfTR17LZkMz5QK3lAy71qT8EIGAZFV+mJlPndoYfGFhUp4XJpBH2TK9oQF mqENJT++a3ZMUGHULItPvJw5WW9xETS42Zt3/KjkTeHPDkMYCROq7eJ5S4Qnin9NWKaX GU2/9KZKCArL+xp5WjfQ98w/29do9OV06xzmHkoqmrg2HVIm4xUR2LqfFRjrvy+dlXhO 0ezlVlSx77FAe5jmkMpc8UCcbYcRfXFUgwFmjuOcmF6KgqkwK25ksoiVV/dgn7Tw3i0B 25Rw== X-Gm-Message-State: ABy/qLaPUvfJZY79pk0CP4Y2cNKsQ1lreSTnMTbn7NHyjOrKhDLOIt/I E3x4UO2/8GWtd80HY01CVgfmhiF1ng2sFvo5jVH/ksM4mfG83HGLiCFJ6XPF1VvMJCYqVFnP7yu BZlm+am4fr728DaGpkg8L/oA= X-Received: by 2002:a1c:f712:0:b0:3fb:dbd0:a7ea with SMTP id v18-20020a1cf712000000b003fbdbd0a7eamr6291385wmh.37.1688547936823; Wed, 05 Jul 2023 02:05:36 -0700 (PDT) X-Google-Smtp-Source: APBJJlFea/9ghtylfsKDHnVQCxTc0bPKyrA8WH7Zc8b8ay9vM+p1C9BZYAjxS62tSMn7FBeqBkEyEw== X-Received: by 2002:a1c:f712:0:b0:3fb:dbd0:a7ea with SMTP id v18-20020a1cf712000000b003fbdbd0a7eamr6291366wmh.37.1688547936580; Wed, 05 Jul 2023 02:05:36 -0700 (PDT) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id k7-20020a05600c0b4700b003f9b155b148sm1517462wmr.34.2023.07.05.02.05.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jul 2023 02:05:36 -0700 (PDT) From: Javier Martinez Canillas To: Thomas Zimmermann , maarten.lankhorst@linux.intel.com, mripard@kernel.org Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-fbdev@vger.kernel.org, Thomas Zimmermann , Tomi Valkeinen Subject: Re: [PATCH 08/10] drm/omapdrm: Use GEM mmap for fbdev emulation In-Reply-To: <20230704160133.20261-9-tzimmermann@suse.de> References: <20230704160133.20261-1-tzimmermann@suse.de> <20230704160133.20261-9-tzimmermann@suse.de> Date: Wed, 05 Jul 2023 11:05:35 +0200 Message-ID: <87lefuran4.fsf@minerva.mail-host-address-is-not-set> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Thomas Zimmermann writes: > The fbdev emulation currently uses fbdev's default mmap code, which > has been written for I/O memory. Provide an mmap that uses GEM's mmap > infrastructure. > > Utilize fine-grained fbdev macros to initialize struct fb_ops. The > macros set the read/write and the draw callbacks for DMA memory. Set > the fb_mmap callback to omapdrm's new mmap helper. Also select the > correct Kconfig token for fbdev's DMA helpers. Note that the DMA > helpers are the same as for system memory. > > Signed-off-by: Thomas Zimmermann > Cc: Tomi Valkeinen > --- Reviewed-by: Javier Martinez Canillas -- Best regards, Javier Martinez Canillas Core Platforms Red Hat