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From: Thomas Graichen <thomas.graichen@googlemail.com>
To: "Jernej Škrabec" <jernej.skrabec@gmail.com>
Cc: eben@raspberrypi.org, Maxime Ripard <maxime.ripard@bootlin.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	dri-devel@lists.freedesktop.org,
	Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
	David Airlie <airlied@linux.ie>,
	Sean Paul <seanpaul@chromium.org>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Maxime Ripard <maxime.ripard@free-electrons.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [v5,05/12] drm/modes: Rewrite the command line parser
Date: Mon, 19 Aug 2019 21:20:00 +0200
Message-ID: <CAOUEw13CCVhk9kt_z2VkguX0=TCeARkH-8+qSh_nF-J+r0Rscg@mail.gmail.com> (raw)
In-Reply-To: <5978761.uBj7R84RrF@jernej-laptop>

On Mon, Aug 19, 2019 at 8:54 PM Jernej Škrabec <jernej.skrabec@gmail.com> wrote:
>
> +CC: Thomas Graichen
>
> Dne ponedeljek, 17. junij 2019 ob 16:51:32 CEST je Maxime Ripard napisal(a):
> > From: Maxime Ripard <maxime.ripard@free-electrons.com>
> >
> > Rewrite the command line parser in order to get away from the state machine
> > parsing the video mode lines.
> >
> > Hopefully, this will allow to extend it more easily to support named modes
> > and / or properties set directly on the command line.
> >
> > Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
> > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
>
> Thomas reported to me that this patch breaks "video=CONNECTOR:e" kernel
> parameter which he currently uses as a workaround for H6 HDMI monitor
> detection issue on one STB.
>
> I suppose this is the same issue that Dmitry noticed.
>
> Thomas Graichen (in CC) can provide more information if needed.
>
> Best regards,
> Jernej

as jernej already mentioned i am currently having to use the kernel
cmdline option video=HDMI-A-1:e to get a working hdmi output on an
eachlink h6 mini tv box and was wondering that i did not get any hdmi
output even with this option when switching from the
https://github.com/megous/linux oprange-pi-5.2 to the orange-pi-5.3
branch which seems to contain this patch. as i had no idea what might
have caused the breakage of the hdmi output and did a full bisect of
the kernel between those two versions, which ended reliably at exactly
this patch - so i guess there is a regression at least with the
video=CONNECTOR:e option (maybe others too?) with this patches code
which makes it not working anymore.

best wishes - thomas

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  reply index

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-17 14:51 [PATCH v5 00/12] drm/vc4: Allow for more boot-time configuration Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 01/12] drm/connector: Add documentation for drm_cmdline_mode Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 02/12] drm/client: Restrict the plane_state scope Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 03/12] drm/client: Restrict the rotation check to the rotation itself Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 04/12] drm/client: Change drm_client_panel_rotation name Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 05/12] drm/modes: Rewrite the command line parser Maxime Ripard
2019-07-05 16:54   ` Dmitry Osipenko
2019-07-09 12:45     ` Maxime Ripard
2019-07-09 12:52       ` Dmitry Osipenko
2019-07-09 13:26         ` Jon Hunter
2019-07-09 13:28           ` Jon Hunter
2019-07-09 13:40             ` Dmitry Osipenko
2019-08-19 18:54   ` [v5,05/12] " Jernej Škrabec
2019-08-19 19:20     ` Thomas Graichen [this message]
2019-08-20 15:00       ` Maxime Ripard
2019-08-23 14:04         ` Thomas Graichen
2019-06-17 14:51 ` [PATCH v5 06/12] drm/modes: Support modes names on the command line Maxime Ripard
2019-06-26 15:26   ` Thierry Reding
2019-06-28 13:43     ` Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 07/12] drm/modes: Allow to specify rotation and reflection on the commandline Maxime Ripard
2019-06-18 17:47   ` Noralf Trønnes
2019-06-19 10:16     ` Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 08/12] drm/connector: Introduce a TV margins structure Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 09/12] drm/modes: Parse overscan properties Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 10/12] drm/atomic: Add a function to reset connector TV properties Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 11/12] drm/selftests: Add command line parser selftests Maxime Ripard
2019-06-17 14:51 ` [PATCH v5 12/12] drm/vc4: hdmi: Set default state margin at reset Maxime Ripard
2019-06-17 18:06   ` Eric Anholt

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