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Date:   Wed, 2 Sep 2020 15:52:30 +0200
From:   Maxime Ripard <maxime@cerno.tech>
To:     Hoegeun Kwon <hoegeun.kwon@samsung.com>
Cc:     Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
        Eric Anholt <eric@anholt.net>, devicetree@vger.kernel.org,
        Tim Gover <tim.gover@raspberrypi.com>,
        Dave Stevenson <dave.stevenson@raspberrypi.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Kamal Dasu <kdasu.kdev@gmail.com>,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-clk@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
        bcm-kernel-feedback-list@broadcom.com,
        linux-rpi-kernel@lists.infradead.org,
        Phil Elwell <phil@raspberrypi.com>,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 00/78] drm/vc4: Support BCM2711 Display Pipeline
Message-ID: <20200902135230.5hpvfjqsamot5zg6@gilmour.lan>
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On Wed, Sep 02, 2020 at 03:32:20PM +0200, Maxime Ripard wrote:
> Hi Hoegeun
>=20
> On Fri, Aug 21, 2020 at 04:18:34PM +0900, Hoegeun Kwon wrote:
> > Hi Maxime,
> >=20
> > Thank you for your version 4 patch.
> > I tested all 78 patches based on the next-20200708.
> >=20
> >=20
> > Dual HDMI opearation does not work normally.
> > flip_done timed out occurs and doesn't work.
> > Could you check please it.
> >=20
> > [=A0 105.694541] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*=
=20
> > [CRTC:64:crtc-3] flip_done timed out
> > [=A0 115.934994] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*=
=20
> > [CONNECTOR:32:HDMI-A-1] flip_done timed out
> > [=A0 126.174545] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*=
=20
> > [PLANE:60:plane-3] flip_done timed out
>=20
> Thanks for testing and reporting this. I've been looking into it, and it
> seems that it's not just the dual output that's broken, but HDMI1
> entirely (so even a single display connected to HDMI1 doesn't work).
>=20
> Is it happening for you as well?

Nevermind, I had the DSI panel connected and it was interfering

Maxime


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