From: Mateusz Kwiatkowski <kfyatek@gmail.com>
To: Maxime Ripard <maxime@cerno.tech>,
Karol Herbst <kherbst@redhat.com>,
Jani Nikula <jani.nikula@linux.intel.com>,
Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
Daniel Vetter <daniel@ffwll.ch>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
David Airlie <airlied@linux.ie>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Lyude Paul <lyude@redhat.com>, Maxime Ripard <mripard@kernel.org>,
Emma Anholt <emma@anholt.net>, Chen-Yu Tsai <wens@csie.org>,
Samuel Holland <samuel@sholland.org>,
Ben Skeggs <bskeggs@redhat.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: "Dom Cobley" <dom@raspberrypi.com>,
linux-sunxi@lists.linux.dev,
"Dave Stevenson" <dave.stevenson@raspberrypi.com>,
"Noralf Trønnes" <noralf@tronnes.org>,
intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
nouveau@lists.freedesktop.org,
"Geert Uytterhoeven" <geert@linux-m68k.org>,
linux-arm-kernel@lists.infradead.org,
dri-devel@lists.freedesktop.org,
"Hans de Goede" <hdegoede@redhat.com>,
"Phil Elwell" <phil@raspberrypi.com>
Subject: Re: [PATCH v5 21/22] drm/vc4: vec: Add support for more analog TV standards
Date: Sun, 16 Oct 2022 21:02:16 +0200 [thread overview]
Message-ID: <e0867d71-37c7-777f-0df2-0cd74909caaf@gmail.com> (raw)
In-Reply-To: <20220728-rpi-analog-tv-properties-v5-21-d841cc64fe4b@cerno.tech>
Hi Maxime,
W dniu 13.10.2022 o 15:19, Maxime Ripard pisze:
> From: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
>
> Add support for the following composite output modes (all of them are
> somewhat more obscure than the previously defined ones):
>
> - NTSC_443 - NTSC-style signal with the chroma subcarrier shifted to
> 4.43361875 MHz (the PAL subcarrier frequency). Never used for
> broadcasting, but sometimes used as a hack to play NTSC content in PAL
> regions (e.g. on VCRs).
> - PAL_N - PAL with alternative chroma subcarrier frequency,
> 3.58205625 MHz. Used as a broadcast standard in Argentina, Paraguay
> and Uruguay to fit 576i50 with colour in 6 MHz channel raster.
> - PAL60 - 480i60 signal with PAL-style color at normal European PAL
> frequency. Another non-standard, non-broadcast mode, used in similar
> contexts as NTSC_443. Some displays support one but not the other.
The current version actually does not support PAL-60. Proper PAL-60 output from
VEC requires configuring it differently than for regular PAL. We have unified
the PAL and PAL-60 modes for the "TV mode" property, but the code here has not
been adjusted appropriately.
I'll try to submit an additional patch that fixes this shortly.
> - SECAM - French frequency-modulated analog color standard; also have
> been broadcast in Eastern Europe and various parts of Africa and Asia.
> Uses the same 576i50 timings as PAL.
>
> Also added some comments explaining color subcarrier frequency
> registers.
>
> Acked-by: Noralf Trønnes <noralf@tronnes.org>
> Signed-off-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
(snip)
Best regards,
Mateusz Kwiatkowski
next prev parent reply other threads:[~2022-10-16 19:02 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220728-rpi-analog-tv-properties-v5-0-d841cc64fe4b@cerno.tech>
[not found] ` <20220728-rpi-analog-tv-properties-v5-22-d841cc64fe4b@cerno.tech>
2022-10-13 18:23 ` [PATCH v5 22/22] drm/sun4i: tv: Convert to the new TV mode property Jernej Škrabec
2022-10-14 7:38 ` Maxime Ripard
2022-10-15 8:59 ` Jernej Škrabec
[not found] ` <20220728-rpi-analog-tv-properties-v5-1-d841cc64fe4b@cerno.tech>
2022-10-15 15:06 ` [PATCH v5 01/22] drm/tests: Add Kunit Helpers Noralf Trønnes
[not found] ` <20220728-rpi-analog-tv-properties-v5-8-d841cc64fe4b@cerno.tech>
2022-10-16 16:11 ` [PATCH v5 08/22] drm/modes: Move named modes parsing to a separate function Noralf Trønnes
2022-10-18 7:57 ` Maxime Ripard
[not found] ` <20220728-rpi-analog-tv-properties-v5-6-d841cc64fe4b@cerno.tech>
2022-10-16 17:34 ` [PATCH v5 06/22] drm/modes: Add a function to generate analog display modes Mateusz Kwiatkowski
2022-10-18 8:08 ` Maxime Ripard
[not found] ` <20220728-rpi-analog-tv-properties-v5-13-d841cc64fe4b@cerno.tech>
2022-10-16 17:51 ` [PATCH v5 13/22] drm/modes: Introduce the tv_mode property as a command-line option Mateusz Kwiatkowski
2022-10-17 10:21 ` Noralf Trønnes
[not found] ` <20220728-rpi-analog-tv-properties-v5-19-d841cc64fe4b@cerno.tech>
2022-10-16 18:12 ` [PATCH v5 19/22] drm/vc4: vec: Check for VEC output constraints Mateusz Kwiatkowski
2022-10-16 18:16 ` Mateusz Kwiatkowski
2022-10-18 8:27 ` Maxime Ripard
[not found] ` <20220728-rpi-analog-tv-properties-v5-20-d841cc64fe4b@cerno.tech>
2022-10-16 18:52 ` [PATCH v5 20/22] drm/vc4: vec: Convert to the new TV mode property Mateusz Kwiatkowski
2022-10-16 18:56 ` Mateusz Kwiatkowski
2022-10-17 10:31 ` Noralf Trønnes
2022-10-18 10:00 ` Maxime Ripard
[not found] ` <da2b4cb4-5d12-3161-64e3-e87a8cc63e81@gmail.com>
2022-10-20 11:58 ` maxime
2022-10-17 11:39 ` Noralf Trønnes
[not found] ` <20220728-rpi-analog-tv-properties-v5-21-d841cc64fe4b@cerno.tech>
2022-10-16 19:02 ` Mateusz Kwiatkowski [this message]
2022-10-16 19:46 ` [PATCH] drm/vc4: vec: Add support for PAL-60 Mateusz Kwiatkowski
2022-10-18 8:31 ` Maxime Ripard
2022-10-18 20:57 ` Mateusz Kwiatkowski
2022-10-20 15:34 ` maxime
[not found] ` <20220728-rpi-analog-tv-properties-v5-16-d841cc64fe4b@cerno.tech>
2022-10-17 10:36 ` [PATCH v5 16/22] drm/atomic-helper: Add a TV properties reset helper Noralf Trønnes
[not found] ` <20220728-rpi-analog-tv-properties-v5-12-d841cc64fe4b@cerno.tech>
2022-10-17 10:44 ` [PATCH v5 12/22] drm/connector: Add a function to lookup a TV mode by its name Noralf Trønnes
2022-10-18 9:33 ` Maxime Ripard
2022-10-18 12:29 ` Noralf Trønnes
2022-10-19 8:48 ` Maxime Ripard
2022-10-19 10:43 ` Noralf Trønnes
2022-10-20 11:29 ` maxime
[not found] ` <20220728-rpi-analog-tv-properties-v5-7-d841cc64fe4b@cerno.tech>
2022-10-15 16:58 ` [PATCH v5 07/22] drm/client: Add some tests for drm_connector_pick_cmdline_mode() Noralf Trønnes
2022-10-20 7:55 ` Michał Winiarski
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