From patchwork Wed Oct 24 18:43:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Anholt X-Patchwork-Id: 10654873 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3F59A13BF for ; Wed, 24 Oct 2018 18:43:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2E65A256E6 for ; Wed, 24 Oct 2018 18:43:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 22BD82623C; Wed, 24 Oct 2018 18:43:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C4C91256E6 for ; Wed, 24 Oct 2018 18:43:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B20636E2D5; Wed, 24 Oct 2018 18:43:26 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from anholt.net (anholt.net [50.246.234.109]) by gabe.freedesktop.org (Postfix) with ESMTP id B4F996E2D5 for ; Wed, 24 Oct 2018 18:43:19 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 8652710A1314; Wed, 24 Oct 2018 11:43:19 -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 X2d8OUir6d31; Wed, 24 Oct 2018 11:43:18 -0700 (PDT) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id EE10510A12D8; Wed, 24 Oct 2018 11:43:14 -0700 (PDT) Received: by eliezer.anholt.net (Postfix, from userid 1000) id 710332FE1BF0; Wed, 24 Oct 2018 11:43:13 -0700 (PDT) From: Eric Anholt To: dri-devel@lists.freedesktop.org, =?utf-8?q?Noralf_Tr=C3=B8nnes?= , Rob Herring , Mark Rutland , devicetree@vger.kernel.org Subject: [PATCH 0/3] drm: tinydrm driver for adafruit PiTFT 3.5" touchscreen Date: Wed, 24 Oct 2018 11:43:10 -0700 Message-Id: <20181024184313.2967-1-eric@anholt.net> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, Heiner Kallweit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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? Eric Anholt (3): dt-bindings: new binding for Himax HX8357D display panels drm: Add an hx8367d tinydrm driver. drm/tinydrm: Fix setting of the column/page end addresses. .../bindings/display/himax,hx8357d.txt | 25 ++ drivers/gpu/drm/tinydrm/Kconfig | 11 + drivers/gpu/drm/tinydrm/Makefile | 1 + drivers/gpu/drm/tinydrm/hx8357d.c | 262 ++++++++++++++++++ drivers/gpu/drm/tinydrm/hx8357d.h | 71 +++++ drivers/gpu/drm/tinydrm/mipi-dbi.c | 4 +- 6 files changed, 372 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/himax,hx8357d.txt create mode 100644 drivers/gpu/drm/tinydrm/hx8357d.c create mode 100644 drivers/gpu/drm/tinydrm/hx8357d.h