linux-kernel - Re: [PATCH RFC v2 4/8] drm/bridge: dw-hdmi: add support for YUV420 output

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Message-ID: <1724249.dsAJmDaf8c@phil>
Date:   Fri, 14 Dec 2018 13:13:04 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     architt@...eaurora.org, a.hajda@...sung.com,
        Laurent.pinchart@...asonboard.com,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sandy Huang <hjc@...k-chips.com>, maxime.ripard@...tlin.com,
        dri-devel@...ts.freedesktop.org, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Zheng Yang <zhengyang@...k-chips.com>
Subject: Re: [PATCH RFC v2 4/8] drm/bridge: dw-hdmi: add support for YUV420 output

Am Freitag, 30. November 2018, 14:42:57 CET schrieb Neil Armstrong:
> In order to support the HDMI2.0 YUV420 display modes, this patch
> adds support for the YUV420 TMDS Clock divided by 2 and the controller
> passthrough mode.
> 
> YUV420 Synopsys PHY support will need some specific configuration table
> to support theses modes.
> 
> This patch is based on work from Zheng Yang <zhengyang@...k-chips.com> in
> the Rockchip Linux 4.4 BSP at [1]
> 
> [1] https://github.com/rockchip-linux/kernel/tree/release-4.4
> 
> Cc: Zheng Yang <zhengyang@...k-chips.com>
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>

Please see comments in patch1 for details.

on rk3288 and rk3328
Tested-by: Heiko Stuebner <heiko@...ech.de>