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Message-ID: <65a2d18ec2b901c6a89acc091cf9573a98fda75f.camel@suse.de>
Subject: Re: [PATCH] drm/vc4: Fix HDMI mode validation
From:   Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To:     Eric Anholt <eric@anholt.net>,
        Daniel Vetter <daniel.vetter@ffwll.ch>
Cc:     maxime@cerno.tech, linux-rpi-kernel@lists.infradead.org,
        f.fainelli@gmail.com, Stefan Wahren <stefan.wahren@i2se.com>,
        Dave Stevenson <dave.stevenson@raspberrypi.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Date:   Fri, 27 Mar 2020 12:46:52 +0100
In-Reply-To: <20200326122001.22215-1-nsaenzjulienne@suse.de>
References: <20200326122001.22215-1-nsaenzjulienne@suse.de>
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Hi Daniel,

On Thu, 2020-03-26 at 13:20 +0100, Nicolas Saenz Julienne wrote:
> Current mode validation impedes setting up some video modes which should
> be supported otherwise. Namely 1920x1200@60Hz.
>=20
> Fix this by lowering the minimum HDMI state machine clock to pixel clock
> ratio allowed.
>=20
> Fixes: 32e823c63e90 ("drm/vc4: Reject HDMI modes with too high of clocks"=
)
> Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
> Suggested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>

Would it be possible for you to take this in for v5.7 (or as a fix for v5.6=
,
but it seems a little late)?

A device-tree patch I have to channel trough the SoC tree depends on this t=
o
avoid regressions.

Regards,
Nicolas


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