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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 ED7EDC54FCB for ; Sat, 25 Apr 2020 17:23:53 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C31BB20714 for ; Sat, 25 Apr 2020 17:23:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="c77ZC6fe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C31BB20714 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5fxpmcWGnLqYwWXJUTgtGpOOFwGCiRrxI3Ad78UKJXY=; b=c77ZC6fe1pcZxB J3tJXJk2A87j4F4z7ca4pDXlq2uiHRDgbp+lNkEXsNR4InKy8fvVRj7eTlfrnqYjRaO/tqvwnSyvl rBVhwB4SnjISM9FRvmMEAfCIvXZmw11pF5dCrS+RXK3aIEtIPuk19oUbmkblMNMltPTNUetliemHE +BQEtv5rFNiqtxmlHKpOCjveb7KNDh0AUxyEkhAINfkxIHhqq+TGthRwe6EqRtmgoyin1CV9+Esa7 buu1i8A89Gn0imBcijGIZBfuSxbnVSMuZ7XLptLsixXcLm/md3c51/YS6GzFj3fdL4Xxk1X4fybRX WqL9vm+ANhauIHh4Z+lA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jSOWu-0002Uj-P4; Sat, 25 Apr 2020 17:23:52 +0000 Received: from asavdk4.altibox.net ([109.247.116.15]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jSOWp-0002T6-U4; Sat, 25 Apr 2020 17:23:50 +0000 Received: from ravnborg.org (unknown [158.248.194.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by asavdk4.altibox.net (Postfix) with ESMTPS id AFB6C804B9; Sat, 25 Apr 2020 19:23:40 +0200 (CEST) Date: Sat, 25 Apr 2020 19:23:34 +0200 From: Sam Ravnborg To: Enric Balletbo i Serra , Chun-Kuang Hu , Philipp Zabel Subject: Re: [PATCH v3 0/7] Convert mtk-dsi to drm_bridge API and get EDID for ps8640 bridge Message-ID: <20200425172334.GA30970@ravnborg.org> References: <20200417150614.2631786-1-enric.balletbo@collabora.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200417150614.2631786-1-enric.balletbo@collabora.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CMAE-Score: 0 X-CMAE-Analysis: v=2.3 cv=MOBOZvRl c=1 sm=1 tr=0 a=UWs3HLbX/2nnQ3s7vZ42gw==:117 a=UWs3HLbX/2nnQ3s7vZ42gw==:17 a=kj9zAlcOel0A:10 a=VwQbUJbxAAAA:8 a=cm27Pg_UAAAA:8 a=D19gQVrFAAAA:8 a=7gkXJVJtAAAA:8 a=e5mUnYsNAAAA:8 a=C1xfsh8iGGs-51XnUgAA:9 a=CjuIK1q_8ugA:10 a=AjGcO6oz07-iQ99wixmX:22 a=xmb-EsYY8bH0VWELuYED:22 a=W4TVW4IDbPiebHqcZpNg:22 a=E9Po1WZjFZOl8hwRPBS3:22 a=Vxmtnl_E_bksehYqCbjh:22 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200425_102348_326142_3BF1F329 X-CRM114-Status: GOOD ( 20.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chun-Kuang Hu , Jernej Skrabec , drinkcat@chromium.org, Jonas Karlman , David Airlie , Neil Armstrong , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Andrzej Hajda , linux-mediatek@lists.infradead.org, Laurent Pinchart , Thomas Zimmermann , hsinyi@chromium.org, matthias.bgg@gmail.com, Collabora Kernel ML , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Apr 17, 2020 at 05:06:07PM +0200, Enric Balletbo i Serra wrote: > 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. > > [1] https://lore.kernel.org/lkml/20200210063523.133333-1-hsinyi@chromium.org/ > > Changes in v3: > - Replace s/bridge/next bridge/ for comment. (Laurent Pinchart) > - Add the bridge.type. (Laurent Pinchart) > - Use next_bridge field to store the panel bridge. (Laurent Pinchart) > - Add the bridge.type field. (Laurent Pinchart) > - This patch requires https://lkml.org/lkml/2020/4/16/2080 to work > properly. This patch is now applied to drm-misc-next. IMO this patchset could go in now. > - Move the bridge.type line to the patch that adds drm_bridge support. (Laurent Pinchart) > > Changes in v2: > - Do not set connector_type for panel here. (Sam Ravnborg) > > 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 All patches: Acked-by: Sam Ravnborg > > drivers/gpu/drm/bridge/parade-ps8640.c | 12 ++ > drivers/gpu/drm/drm_bridge_connector.c | 1 + > drivers/gpu/drm/mediatek/mtk_dsi.c | 276 ++++++++----------------- > 3 files changed, 96 insertions(+), 193 deletions(-) > > -- > 2.25.1 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel