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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 DA3ACC49ED7 for ; Mon, 16 Sep 2019 09:01:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AD4F2214AF for ; Mon, 16 Sep 2019 09:01:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=onstation.org header.i=@onstation.org header.b="aOBRGkMl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731547AbfIPJBx (ORCPT ); Mon, 16 Sep 2019 05:01:53 -0400 Received: from onstation.org ([52.200.56.107]:40528 "EHLO onstation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729814AbfIPJBw (ORCPT ); Mon, 16 Sep 2019 05:01:52 -0400 Received: from localhost (c-98-239-145-235.hsd1.wv.comcast.net [98.239.145.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: masneyb) by onstation.org (Postfix) with ESMTPSA id 9B6193E8F9; Mon, 16 Sep 2019 09:01:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=onstation.org; s=default; t=1568624511; bh=u3nzc9gqP8MUC4JhGKxS32T+hxVY4syKzPf8LbbTamQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aOBRGkMlz/PhmAyVxvgfThua6X09O9qLt8s9Z4+G/dU8zpnBGCcD6NpbPyO3rS0Qw /GzuKCU0+FITC5ilWRJR5bvkSsGr0+bVtYVhSl/2Boz+5tl0ZiyVzEOgwWP1hg2fOz E5dvSFXBtHXZtL88w+C57HA9DPyvfZwZz6KJQBQA= Date: Mon, 16 Sep 2019 05:01:50 -0400 From: Brian Masney To: Andrzej Hajda Cc: bjorn.andersson@linaro.org, robh+dt@kernel.org, agross@kernel.org, narmstrong@baylibre.com, robdclark@gmail.com, sean@poorly.run, airlied@linux.ie, daniel@ffwll.ch, mark.rutland@arm.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, linus.walleij@linaro.org, enric.balletbo@collabora.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, freedreno@lists.freedesktop.org Subject: Re: [PATCH 00/11] ARM: dts: qcom: msm8974: add support for external display Message-ID: <20190916090150.GA349@onstation.org> References: <20190815004854.19860-1-masneyb@onstation.org> <2da29e80-73fb-8620-532e-0b5f54b00841@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2da29e80-73fb-8620-532e-0b5f54b00841@samsung.com> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Hi Andrzej, On Mon, Sep 16, 2019 at 10:13:58AM +0200, Andrzej Hajda wrote: > Hi Brian, > > On 15.08.2019 02:48, Brian Masney wrote: > > This patch series begins to add support for the external display over > > HDMI that is supported on msm8974 SoCs. I'm testing this series on the > > Nexus 5, and I'm able to communicate with the HDMI bridge via the > > analogix-anx78xx driver, however the external display is not working > > yet. > > > > When I plug in the HDMI cable, the monitor detects that a device is > > hooked up, but nothing is shown on the external monitor. The hot plug > > detect GPIO (hpd-gpios) on the analogix-anx78xx bridge and MSM HDMI > > drivers do not change state when the slimport adapter or HDMI cable is > > plugged in or removed. I wonder if a regulator is not enabled somewhere? > > I have a comment in patch 10 regarding 'hpd-gdsc-supply' that may > > potentially be an issue. > > > > I'm still digging in on this, however I'd appreciate any feedback if > > anyone has time. Most of these patches are ready now, so I marked the > > ones that aren't ready with 'PATCH RFC'. > > > > I'm using an Analogix Semiconductor SP6001 SlimPort Micro-USB to 4K HDMI > > Adapter to connect my phone to an external display via a standard HDMI > > cable. This works just fine with the downstream MSM kernel using > > Android. > > > This patchset risks to be forgotten. To avoid it, at least partially, I > can merge patches 1-5, is it OK for you? That would be great if you could do that. Thanks, Brian