linux-kernel - Re: [PATCH v4 00/78] drm/vc4: Support BCM2711 Display Pipeline

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Date:   Wed, 2 Sep 2020 15:52:30 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Hoegeun Kwon <hoegeun.kwon@...sung.com>
Cc:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Eric Anholt <eric@...olt.net>, devicetree@...r.kernel.org,
        Tim Gover <tim.gover@...pberrypi.com>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Kamal Dasu <kdasu.kdev@...il.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-clk@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        Phil Elwell <phil@...pberrypi.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 00/78] drm/vc4: Support BCM2711 Display Pipeline

On Wed, Sep 02, 2020 at 03:32:20PM +0200, Maxime Ripard wrote:
> Hi Hoegeun
> 
> On Fri, Aug 21, 2020 at 04:18:34PM +0900, Hoegeun Kwon wrote:
> > Hi Maxime,
> > 
> > Thank you for your version 4 patch.
> > I tested all 78 patches based on the next-20200708.
> > 
> > 
> > Dual HDMI opearation does not work normally.
> > flip_done timed out occurs and doesn't work.
> > Could you check please it.
> > 
> > [  105.694541] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR* 
> > [CRTC:64:crtc-3] flip_done timed out
> > [  115.934994] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR* 
> > [CONNECTOR:32:HDMI-A-1] flip_done timed out
> > [  126.174545] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR* 
> > [PLANE:60:plane-3] flip_done timed out
> 
> 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).
> 
> Is it happening for you as well?

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

Maxime


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