From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADD7429CA for ; Wed, 26 Jan 2022 14:15:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1643206556; 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=TBufRetUEaFHPWc7iYpkpHHqiA9eXNXD6Bgulr6vvjA=; b=E32LYDdrJgwi0AwAMS6rUpGjIXuwq40Gqd+naGS7MjQoYxH0mlxt80pepuZ/7eBsY1kTkt /bNEL1v44RBdWTd+79gD0SCuluS5MomHY5RVuQE4s3wKsFkidUgAq2TwRrQxWrshsvuBLq V1ZbGRj7MYs/kdwJd+fTyeo5IoR0jCY= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-612-3MvVealwPceodxczuYREAg-1; Wed, 26 Jan 2022 09:15:55 -0500 X-MC-Unique: 3MvVealwPceodxczuYREAg-1 Received: by mail-wr1-f69.google.com with SMTP id c10-20020adfa30a000000b001d79c73b64bso4364379wrb.1 for ; Wed, 26 Jan 2022 06:15:55 -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:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=TBufRetUEaFHPWc7iYpkpHHqiA9eXNXD6Bgulr6vvjA=; b=SEC7M9rSiCgr7PjWgfWk7WEERR0cZvI/t6DsdBPvykrJ0LzFxkVCu868lCI6VAxLqq jFE2aunANx73welAXMC2M0J6PDQ28q4c8YOwxfa/NORRP0RroisyYF46jPS7D/GVgZX2 0evc//eWXLEADoYWctQq/aKoiRJLjuY+wdhQzSZo/1VxiYAcxgnHM9A7iR6sPM3Vh5xH uTaR/OZUKyT1j3tGDlBoR1dVlEsYEFD+HeAewF8Y7+84qe3XvqZ2+PuqJlJrF0z7D+88 QkanVx2RgxryDJH0S0p0wiY2wFg/4/rPsqHs0n9S7rWPsgaLqDzLaGMqY0q+zKlGTvrQ Y7lQ== X-Gm-Message-State: AOAM5334Nlo3Lqzg6UBh7Upcfgbap3BAuyncDEjHHUj3o8ULCY0CfN0i VD+NBTnmCz4UNOz/Jsu9q0QbNLqttNjXNs/tNc8GIzvFclQEgTmOyLo2iQ/f2Lm94e4OFYiGDl9 /tBku7QZzK1+obAzGyoM92Q+nYw== X-Received: by 2002:adf:f6cb:: with SMTP id y11mr21723793wrp.419.1643206554175; Wed, 26 Jan 2022 06:15:54 -0800 (PST) X-Google-Smtp-Source: ABdhPJz+mct3ymMu2U64GGPDGP0AtbI/8Ig4CtqRTRDC/RwNHy3hYZxdpTXJYSMFcmQfPRXBYMePRg== X-Received: by 2002:adf:f6cb:: with SMTP id y11mr21723776wrp.419.1643206553991; Wed, 26 Jan 2022 06:15:53 -0800 (PST) Received: from [192.168.1.102] ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id 1sm11923387wry.52.2022.01.26.06.15.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Jan 2022 06:15:53 -0800 (PST) Message-ID: <6e74d4cc-655a-e38e-0856-a59e4e6deb36@redhat.com> Date: Wed, 26 Jan 2022 15:15:52 +0100 Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH v1 1/4] fbtft: Unorphan the driver To: Andy Shevchenko Cc: Greg Kroah-Hartman , Andy Shevchenko , linux-fbdev@vger.kernel.org, Michael Hennerich , Helge Deller , linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Phillip Potter , Carlis , Lee Jones , Heiner Kallweit References: <20220125202118.63362-1-andriy.shevchenko@linux.intel.com> <20220125202118.63362-2-andriy.shevchenko@linux.intel.com> From: Javier Martinez Canillas In-Reply-To: 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 On 1/26/22 15:10, Andy Shevchenko wrote: > On Wed, Jan 26, 2022 at 04:08:32PM +0200, Andy Shevchenko wrote: >> On Wed, Jan 26, 2022 at 02:46:08PM +0100, Javier Martinez Canillas wrote: >>> On 1/26/22 14:12, Andy Shevchenko wrote: > > ... > >>> I've just bought a SSD1306 (I2C) based one and will attempt to write a DRM >>> driver using drivers/staging/fbtft/fb_ssd1306.c as a reference. >> >> You should take ssd1307fb.c instead. And basically create a MIPI based driver >> for I2C. Then we won't go same road again for other similar devices. > > For the record it supports your device: > > static const struct i2c_device_id ssd1307fb_i2c_id[] = { > { "ssd1305fb", 0 }, > { "ssd1306fb", 0 }, > { "ssd1307fb", 0 }, > { "ssd1309fb", 0 }, > > Thanks a lot for the pointer. I was only looking at drivers/staging and didn't check drivers/video. I'll try to convert that one then once I get the display. Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat