linux-kernel - Re: [PATCH v1 00/35] drm: Analog TV Improvements

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Message-ID: <20220825155506.wqurh5r752qfufqs@houat>
Date:   Thu, 25 Aug 2022 17:55:06 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Mateusz Kwiatkowski <kfyatek@...il.com>
Cc:     Noralf Trønnes <noralf@...nnes.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Jerome Brunet <jbrunet@...libre.com>,
        Samuel Holland <samuel@...lland.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Daniel Vetter <daniel@...ll.ch>, Emma Anholt <emma@...olt.net>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Phil Elwell <phil@...pberrypi.com>,
        linux-arm-kernel@...ts.infradead.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        linux-amlogic@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        Dom Cobley <dom@...pberrypi.com>
Subject: Re: [PATCH v1 00/35] drm: Analog TV Improvements

Hi Mateusz,

On Mon, Aug 22, 2022 at 10:57:26AM +0200, Mateusz Kwiatkowski wrote:
> Hi Maxime,
> 
> I tried testing and reviewing your changes properly over the last weekend, but
> ultimately ran into this ("flip_done timed out" etc.) issue and was unable to
> mitigate it, at least so far. This seems to pop up every time I try to change
> modes in any way (either change the TV norm, or just try doing
> "xrandr --output Composite-1 --off" followed by bringing it back on; it also
> means that the Pi goes unusable when the DE's screen saving routine kicks in).
> 
> I'm using a Pi 4, and it works with the rpi-5.13.y branch
> https://github.com/raspberrypi/linux, but seemingly nothing newer.
> I specifically tried rpi-5.14.y, rpi-5.15.y and rpi-5.19.y - rpi-5.15.y,
> which is the current main branch in Raspberry Pi OS, seems to be broken since
> forever; at least since my patches (originally written for 5.10) landed there.
> 
> I'll try identifying the issue further, possibly later today, and maybe check
> the rpi-6.0.y branch as well.

I've tried it this, and I can't reproduce it here. But I'm curious, how
did you apply this series? rpi-5.13.y is probably full of conflicts
everywhere?

Maxime

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