linux-kernel - Re: [PATCH v2 28/41] drm/vc4: vec: Fix timings for VEC modes

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Message-ID: <36be3681-6278-aec9-4e8c-3d9fa1f89c74@tronnes.org>
Date:   Tue, 30 Aug 2022 20:20:47 +0200
From:   Noralf Trønnes <noralf@...nnes.org>
To:     Maxime Ripard <maxime@...no.tech>,
        Maxime Ripard <mripard@...nel.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Lyude Paul <lyude@...hat.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Karol Herbst <kherbst@...hat.com>,
        Emma Anholt <emma@...olt.net>, Daniel Vetter <daniel@...ll.ch>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        linux-arm-kernel@...ts.infradead.org,
        Phil Elwell <phil@...pberrypi.com>,
        intel-gfx@...ts.freedesktop.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        dri-devel@...ts.freedesktop.org, Dom Cobley <dom@...pberrypi.com>,
        linux-kernel@...r.kernel.org, nouveau@...ts.freedesktop.org,
        linux-sunxi@...ts.linux.dev,
        Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Noralf Trønnes <noralf@...nnes.org>
Subject: Re: [PATCH v2 28/41] drm/vc4: vec: Fix timings for VEC modes



Den 29.08.2022 15.11, skrev Maxime Ripard:
> From: Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>
> 
> 
> 
> This commit fixes vertical timings of the VEC (composite output) modes
> 
> to accurately represent the 525-line ("NTSC") and 625-line ("PAL") ITU-R
> 
> standards.
> 
> 
> 
> Previous timings were actually defined as 502 and 601 lines, resulting
> 
> in non-standard 62.69 Hz and 52 Hz signals being generated,
> 
> respectively.
> 
> 
> 
> Signed-off-by: Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>
> 
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
> 
> 

Acked-by: Noralf Trønnes <noralf@...nnes.org>