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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no 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 F30E1C47253 for ; Fri, 1 May 2020 15:23:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CCCD92173E for ; Fri, 1 May 2020 15:23:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729115AbgEAPXr (ORCPT ); Fri, 1 May 2020 11:23:47 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:33470 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728756AbgEAPXr (ORCPT ); Fri, 1 May 2020 11:23:47 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id CD1842A21CA From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org, Collabora Kernel ML Cc: matthias.bgg@gmail.com, drinkcat@chromium.org, hsinyi@chromium.org, laurent.pinchart@ideasonboard.com, Andrzej Hajda , Chun-Kuang Hu , Daniel Vetter , David Airlie , Jernej Skrabec , Jonas Karlman , Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Neil Armstrong , Philipp Zabel , Thomas Zimmermann , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v4 0/7] Convert mtk-dsi to drm_bridge API and get EDID for ps8640 bridge Date: Fri, 1 May 2020 17:23:28 +0200 Message-Id: <20200501152335.1805790-1-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The PS8640 dsi-to-eDP bridge driver is using the panel bridge API, however, not all the components in the chain have been ported to the drm_bridge API. Actually, when a panel is attached the default panel's mode is used, but in some cases we can't get display up if mode getting from eDP control EDID is not chosen. This series address that problem, first implements the .get_edid() callback in the PS8640 driver (which is not used until the conversion is done) and then, converts the Mediatek DSI driver to use the drm_bridge API. As far as I know, we're the only users of the mediatek dsi driver in mainline, so should be safe to switch to the new chain of drm_bridge API unconditionally. The patches has been tested on a Acer Chromebook R13 (Elm) running a Chrome OS userspace and checking that the valid EDID mode reported by the bridge is selected. Enric Balletbo i Serra (7): drm/bridge: ps8640: Get the EDID from eDP control drm/bridge_connector: Set default status connected for eDP connectors drm/mediatek: mtk_dsi: Rename bridge to next_bridge drm/mediatek: mtk_dsi: Convert to bridge driver drm/mediatek: mtk_dsi: Use simple encoder drm/mediatek: mtk_dsi: Use the drm_panel_bridge API drm/mediatek: mtk_dsi: Create connector for bridges drivers/gpu/drm/bridge/parade-ps8640.c | 12 ++ drivers/gpu/drm/drm_bridge_connector.c | 1 + drivers/gpu/drm/mediatek/mtk_dsi.c | 277 ++++++++----------------- 3 files changed, 97 insertions(+), 193 deletions(-) -- 2.26.2