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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 37FC3C46475 for ; Thu, 25 Oct 2018 16:29:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4D1C20854 for ; Thu, 25 Oct 2018 16:29:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B4D1C20854 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=anholt.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728387AbeJZBDL (ORCPT ); Thu, 25 Oct 2018 21:03:11 -0400 Received: from anholt.net ([50.246.234.109]:33178 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728369AbeJZBDK (ORCPT ); Thu, 25 Oct 2018 21:03:10 -0400 Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 6C7B910A12ED; Thu, 25 Oct 2018 09:29:39 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at anholt.net Received: from anholt.net ([127.0.0.1]) by localhost (kingsolver.anholt.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 54a1YIt8-CY9; Thu, 25 Oct 2018 09:29:38 -0700 (PDT) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 5ED3010A0F99; Thu, 25 Oct 2018 09:29:38 -0700 (PDT) Received: by eliezer.anholt.net (Postfix, from userid 1000) id F27DD2FE1BF0; Thu, 25 Oct 2018 09:29:37 -0700 (PDT) From: Eric Anholt To: dri-devel@lists.freedesktop.org, Noralf =?utf-8?Q?Tr=C3=B8nnes?= , Rob Herring , Mark Rutland , devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Heiner Kallweit Subject: Re: [PATCH 0/3] drm: tinydrm driver for adafruit PiTFT 3.5" touchscreen In-Reply-To: <20181024184313.2967-1-eric@anholt.net> References: <20181024184313.2967-1-eric@anholt.net> User-Agent: Notmuch/0.22.2+1~gb0bcfaa (http://notmuchmail.org) Emacs/25.2.2 (x86_64-pc-linux-gnu) Date: Thu, 25 Oct 2018 09:29:35 -0700 Message-ID: <87h8harnv4.fsf@anholt.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain Eric Anholt writes: > I was going to start working on making the vc4 driver work with > tinydrm panels, but it turned out tinydrm didn't have the panel I had > previously bought. So, last night I ported the fbtft staging > driver over to DRM. > > It seems to work (with DT at > https://github.com/anholt/linux/commits/drm-misc-next-hx8357d) -- > fbdev works great including rotated, and so does modetest. However, > when X11 comes up at 16bpp, I get: > > https://photos.app.goo.gl/8tuhzPFFoDGamEfk8 > > If I have tinydrm set a preferred bpp of 24, X looks great. Noralf, > any ideas? Also, with these patches and the format modifier patch I just sent, mesa with vc4 is now working with this driver on this branch: https://gitlab.freedesktop.org/anholt/mesa/commits/kmsro Now I wonder how we can improve performance of the SPI updates. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE/JuuFDWp9/ZkuCBXtdYpNtH8nugFAlvR73AACgkQtdYpNtH8 nugoeg/9EehIBTfvLB/4Vnb0J//I6yhUw9Sh0Ltb6fVIl+zuFgycl5RH/jWlA3YZ aGL0xeAsN5HcW5f+QSlOfqZEvAzo+cwFj8ahs1hqgraLRPOxyf6EyZq6+6zN/d7P HNR3HIY7MS1/efyEmOZQDUsObgFUV6SOVGIKvcCq/cRkUk/Hh5bh9lGkW2LibUuc 2RiQUMtON33CjgYkDbgOCV6pizxjpx9QvmcAsY7rYwwcCdbnzCfscaM5nIQ7fyAd b1RIko6zdxGC9IlCbzA/3JwQynW66quNbnZ/2fYTLFtoGBvngWg+KGwlQRv+j/Jz Ujdta8cTT2jRHsYYnNguFWaKkJZcDSkckPBv4fsWXzxO/zl2ddBfhxo9pZ92FGQI j295TrNkhUZepb76EYzLF3YzMA6HTmRyKZ43IwCjcDcR93L+yBB/DLgbF0+XdZ84 2jgNoFx4/EX2Jkdq+/ihsI/AWYM0bP3fnhH1DEslEniBKNfWEEadn1B/wfxnmWux Z0fZOaRorIot5u/A/JsxH4K48p0M0/aC572KlQCSj3IIr5MRsWQGDMwhEXzcGK7P 8d4GYsOxlM102p7CJPwZkdxtSoV6gvYAxQ02gX3p9xXtcUUMM7xI71Bl3QndpUw8 TN9akHZ9x+h0m3ZbkG6H1e+ZlRJ+wGmwQw6YQ53v9bG3cGQueZg= =apgK -----END PGP SIGNATURE----- --=-=-=--