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 6322BC433F5 for ; Tue, 8 Feb 2022 17:20:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6390410E914; Tue, 8 Feb 2022 17:20:04 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 436CC10E90F for ; Tue, 8 Feb 2022 17:20:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1644340802; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gvtYV1w2OGJoib9qyPYwsPmSmom8EsfjJ6qIk3HrlMg=; b=HCsZd6hELLefWH7gUv0HS23CDy4hiLPNsq5oyY8lcNJN1BdW8cJ8sxotzxZqMxMIXflFO/ F9aejW4lpGSkiKKTBlFbj3rci7Z1RRpIJ2wuaTE4o9oxn5Tx9irzi28PgUusPCJe3u1q97 K7Yn3SxheeevztS/p9+oA2g+BDCOLJU= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-303-LJMSugGVMROJYObGPAJbUQ-1; Tue, 08 Feb 2022 12:19:58 -0500 X-MC-Unique: LJMSugGVMROJYObGPAJbUQ-1 Received: by mail-wm1-f71.google.com with SMTP id a8-20020a7bc1c8000000b0037bc4c62e97so827730wmj.0 for ; Tue, 08 Feb 2022 09:19:57 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:from:to:cc:references:in-reply-to :content-transfer-encoding; bh=gvtYV1w2OGJoib9qyPYwsPmSmom8EsfjJ6qIk3HrlMg=; b=XJ3KucWVpr9PghDzM3qovfOm1O9++asbxUj+wIG+DQZFwPX73AdMacJRrVYaOZ9JbV NrJjB6QEcgurRGmCh5qInXToYlpHdy7oicHjB8+STHe/FRF33yllWsDff5eqjNeJRtSt XIIi/BL6E1LRHWxEyTwjYlffBDNbW31YsPlhIg/cZckCvPq8mHNQX0ekDNwV/zCsKtA+ OzTrRU95+ze81rnlx7wnGbi7CdrHqH9i75qVjuOLBxESrAahobBa64d11Ks3galyy1I7 vqVMMRnC1PM3FfrTO3qi4005zoJZ96aBlHBde6+56rGQ9iYuUaMIZt6QT+tcpklXCDFr MqpQ== X-Gm-Message-State: AOAM5334/ncy3thWD3NDpo9/rxYxD909BQJLoF9FPEYSiCeH1MTFpOAa T5aMZ+PsivLOypmR6PQx570G40Ps3Xofre1spP7xkY2BvWmWjv3+wmAJfKAiwx5I6JAv9CV+R1E 1eo7z3A7TkU+q686HIz5S4H1Ug14f X-Received: by 2002:a05:600c:4e4f:: with SMTP id e15mr1970598wmq.53.1644340796908; Tue, 08 Feb 2022 09:19:56 -0800 (PST) X-Google-Smtp-Source: ABdhPJyCtP21kxl63t75zqIHQ/e55SNAp8JmtgJLzIfz68aaypGLhZPiKZoSOCdl+lNIIxOdEqmTpg== X-Received: by 2002:a05:600c:4e4f:: with SMTP id e15mr1970578wmq.53.1644340796715; Tue, 08 Feb 2022 09:19:56 -0800 (PST) Received: from [192.168.1.102] ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id h17sm2393719wmm.15.2022.02.08.09.19.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Feb 2022 09:19:56 -0800 (PST) Message-ID: Date: Tue, 8 Feb 2022 18:19:54 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v2 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays From: Javier Martinez Canillas To: Geert Uytterhoeven References: <20220204134347.1187749-1-javierm@redhat.com> <02d5b225-e1a8-77f6-7e4e-18d6a1df5e48@redhat.com> In-Reply-To: <02d5b225-e1a8-77f6-7e4e-18d6a1df5e48@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=javierm@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux Fbdev development list , =?UTF-8?Q?Noralf_Tr=c3=b8nnes?= , Sam Ravnborg , Linux PWM List , David Airlie , Daniel Vetter , Linux Kernel Mailing List , DRI Development , Liam Girdwood , Rob Herring , Mark Brown , Thierry Reding , Maxime Ripard , Thomas Zimmermann , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Andy Shevchenko , Lee Jones Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 2/8/22 16:40, Javier Martinez Canillas wrote: > On 2/8/22 16:23, Geert Uytterhoeven wrote: [snip] >> >> Fbcon does small writes to the shadow frame buffer, while fbtest >> writes to the mmap()ed /dev/fbX, causing a full page to be updated. >> > > I see. Thanks for the information. > I found the bug. Partial updates where indeed broken and only a full screen update was working. I didn't notice because where using your fbtests that mmap and do a full update. Thanks a lot for reporting this, the issue should be fixed in v3. Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat