[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <874jokg5sf.fsf@oltmanns.dev>
Date: Wed, 10 May 2023 06:30:04 +0200
From: Frank Oltmanns <frank@...manns.dev>
To: Roman Beranek <me@...y.cz>
Cc: Maxime Ripard <mripard@...nel.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Icenowy Zheng <icenowy@...c.io>, Ondrej Jirman <megi@....cz>,
devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 0/4] drm: sun4i: set proper TCON0 DCLK rate in DSI mode
Hello Roman,
On 2023-05-09 at 13:04:50 +0200, "Roman Beranek" <me@...y.cz> wrote:
> On Mon May 8, 2023 at 10:47 AM CEST, Frank Oltmanns wrote:
>> I played back a 60 fps video (10 seconds) and recorded the panel's
>> output with a 240 fps camera. I noticed only 2 dropped frames, that I
>> account to the imperfect data rate of 107.8MHz instead of 108 MHz due
>> to pll-video0's rate being 294MHz instead of the 297 MHz for reasons
>> I described in the thread on your v2 of this patch [4]).
>
> Yes. That's what should happen, right? Or do you report this as a
> defect?
Sorry, I didn't communicate more clearly. Without your patch, I'm losing
a number of frames in the realm of three digits. With your patch I only
lost 2 frames which is expetcted. Your patches are a big improvement.
This is the opposite of a defect report. :-)
Thanks,
Frank
>
> Roman
Powered by blists - more mailing lists