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 8FFA029CA for ; Wed, 26 Jan 2022 12:37:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1643200625; 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=4TS0TGM1vcAom1pyqONn2J8siKmdxKUcGnkktOHArQk=; b=Pj6r588LXzcVpW9mIhT/S65C6shHD+GNcMEZpfXBFPbqT4YY4AizPdYwAHFcjpfecXmTQC jvbiVdA7WAFMhPqK+t24v9OxGv9C5DVWd9qImhXlght8wE/EL6404sre+BoEPqOY+MP86P Yy4eCW3WTELwOCPcfNiIHjnMIl0lRUc= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-524-VoxvVMa7OHmJjl6fISXZEw-1; Wed, 26 Jan 2022 07:37:03 -0500 X-MC-Unique: VoxvVMa7OHmJjl6fISXZEw-1 Received: by mail-wr1-f72.google.com with SMTP id v28-20020adfa1dc000000b001dd1cb24081so1818197wrv.10 for ; Wed, 26 Jan 2022 04:37:03 -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=4TS0TGM1vcAom1pyqONn2J8siKmdxKUcGnkktOHArQk=; b=RpVOfWIwnyQSqqgtK2If07iSQ79u1ArewCPFPRirq8ANu4r/cQMQ+iCS1G+4ARRJC/ PZfN5jCdKQgeZDzKKYdvxXAEImEy1ZVv1Zr+EkKhQMkv3BJJ/5yiLu7TRD9vO3+d3FkZ +MrHepN/hrsAyCrEQ6Xs14lq+EFnmz4BA+Bp2pOTf5z+XIgNhblhU0QLfW2SjLpv3tvr dmPTN7SJKJ6W9Yx28kmOKbNaqWvagYy6fMJVHAXFxbY0SZlS3EsznNoIowykfj4G8wYy DjZscS5o8UOEN9AL3EKAlWJsBwKkX0FgwZj1Wuz03/RVZupFa7LujTDAuwDwNZdgqhjF pPcQ== X-Gm-Message-State: AOAM533wEeSCqYyHfEkPXl4HeOPxvDoq9vff8QCWkpYpjVf53qAH/Jk1 DIRrpx4y2ALeW28QaOUFuTo9xgPSS2lWHHNaYtsCgbmrAc54M0/V7Pk6qG929RmvBI49e1WkaM7 A9Pc0KwGFsBMb5X5AEVwBF6qJDg== X-Received: by 2002:a05:600c:298:: with SMTP id 24mr7129440wmk.100.1643200622738; Wed, 26 Jan 2022 04:37:02 -0800 (PST) X-Google-Smtp-Source: ABdhPJyFeRqcMR4sp5TihDa0aCwBpHf/6PAChPHR3bf/s902hBLlOchViJcHCwGI8NoHTi6Uqd/TdQ== X-Received: by 2002:a05:600c:298:: with SMTP id 24mr7129411wmk.100.1643200622473; Wed, 26 Jan 2022 04:37:02 -0800 (PST) Received: from [192.168.1.102] ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id i6sm3207248wma.22.2022.01.26.04.37.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Jan 2022 04:37:01 -0800 (PST) Message-ID: <1b665bb8-7acb-519b-0a02-ef0f2dd4b524@redhat.com> Date: Wed, 26 Jan 2022 13:37:00 +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 0/4] fbtft: Unorphan the driver for maintenance To: Dan Carpenter , Andy Shevchenko Cc: Andy Shevchenko , "open list:FRAMEBUFFER LAYER" , Michael Hennerich , Greg Kroah-Hartman , Helge Deller , linux-staging@lists.linux.dev, Linux Kernel Mailing List , dri-devel , Phillip Potter , Thomas Zimmermann , Carlis , Andy Shevchenko , Lee Jones , Heiner Kallweit References: <20220125202118.63362-1-andriy.shevchenko@linux.intel.com> <991e988b-7225-881b-a59a-33c3eae044be@suse.de> <20220126102858.GX1951@kadam> From: Javier Martinez Canillas In-Reply-To: <20220126102858.GX1951@kadam> 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 11:28, Dan Carpenter wrote: > On Wed, Jan 26, 2022 at 12:04:26PM +0200, Andy Shevchenko wrote: >> On Wed, Jan 26, 2022 at 12:02 PM Andy Shevchenko >> wrote: >>> On Wed, Jan 26, 2022 at 10:52 AM Thomas Zimmermann wrote: >>>> Am 25.01.22 um 21:21 schrieb Andy Shevchenko: >> >> ... >> >>>> But why? We already have DRM drivers for some of these devices. >>> >>> No, we do not (only a few are available). >> >> Sorry, I missed your word 'some'. Some == almost none from the list (I >> don't remember exact numbers but something like 2 out of 10 are >> supported by tiny DRM and see about interfaces). > > Could we get an exact list? > The list AFAICT is the following. I'm not familiar with these so please feel free to correct anything I got wrong here. I've marked with '?' if found references to the device supported by the fbdev driver in a DRM driver, but it's not clear if support the same HW. Drivers in drivers/staging/fbtft: fb_agm1264k-fl.c fb_bd663474.c fb_hx8340bn.c fb_hx8347d.c (DRM driver in drivers/gpu/drm/tiny/hx8357d.c) fb_hx8353d.c fb_hx8357d.c (DRM driver in drivers/gpu/drm/tiny/hx8357d.c) fb_ili9163.c (DRM driver in drivers/gpu/drm/tiny/ili9163.c) fb_ili9320.c fb_ili9325.c fb_ili9340.c (DRM driver in drivers/gpu/drm/tiny/mi0283qt.c ?) fb_ili9341.c (DRM driver in drivers/gpu/drm/tiny/mi0283qt.c ?) fb_ili9481.c fb_ili9486.c (DRM driver in drivers/gpu/drm/tiny/ili9486.c) fb_pcd8544.c fb_ra8875.c fb_s6d02a1.c fb_s6d1121.c fb_seps525.c fb_sh1106.c fb_ssd1289.c fb_ssd1305.c fb_ssd1306.c fb_ssd1325.c fb_ssd1331.c fb_ssd1351.c fb_st7735r.c (DRM driver in drivers/gpu/drm/tiny/st7735r.c) fb_st7789v.c (DRM driver in drivers/gpu/drm/panel/panel-sitronix-st7789v.c) fb_tinylcd.c fb_tls8204.c fb_uc1611.c fb_uc1701.c fb_upd161704.c fb_watterott.c Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat