linux-kernel - Re: (subset) [PATCH 0/4] drm/bridge: lt8912b: Fix corrupt display output due to wrong bridge config

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Message-Id: <166392495428.2592704.16276233833718753255.b4-ty@linaro.org>
Date:   Fri, 23 Sep 2022 09:22:52 +0000
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     dri-devel@...ts.freedesktop.org,
        Philippe Schenker <dev@...henker.ch>,
        Adrien Grassein <adrien.grassein@...il.com>
Cc:     Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <robert.foss@...aro.org>,
        David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        Jonas Karlman <jonas@...boo.se>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>
Subject: Re: (subset) [PATCH 0/4] drm/bridge: lt8912b: Fix corrupt display output due to wrong bridge config

Hi,

On Thu, 22 Sep 2022 14:43:02 +0200, Philippe Schenker wrote:
> From: Philippe Schenker <philippe.schenker@...adex.com>
> 
> This patch-set fixes the lt8912b driver that currently does not take
> care whether or not the attached display has postiive or negative syncs
> and or reports on EDID if it needs HDMI mode or DVI.
> 
> This series addresses also an issue where the LVDS startup sequence was
> written to the wrong I2C address (the lt8912 has three). This caused
> writing into reserved registers and causing an unstable HDMI picture
> that manifests itself only sometimes and depending on the monitor with a
> flickering and a repeating of going black and coming up again. While at
> it move also some sensible comments to the sequence.
> 
> [...]

Thanks, Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-fixes)

[1/4] drm/bridge: lt8912b: add vsync hsync
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=da73a94fa282f78d485bd0aab36c8ac15b6f792c
[2/4] drm/bridge: lt8912b: set hdmi or dvi mode
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=6dd1de12e1243f2013e4fabf31e99e63b1a860d0
[3/4] drm/bridge: lt8912b: fix corrupted image output
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=051ad2788d35ca07aec8402542e5d38429f2426a

-- 
Neil