[PATCH 0/4] drm/bridge: lt8912b: Fix corrupt display output due to wrong bridge config

Robert Foss robert.foss at linaro.org
Wed Sep 28 14:22:34 UTC 2022


On Thu, 22 Sept 2022 at 14:43, Philippe Schenker <dev at pschenker.ch> wrote:
>
> From: Philippe Schenker <philippe.schenker at toradex.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.
>
>
> Francesco Dolcini (2):
>   drm/bridge: lt8912b: fix corrupted image output
>   drm/bridge: lt8912b: clarify lvds output status
>
> Philippe Schenker (2):
>   drm/bridge: lt8912b: add vsync hsync
>   drm/bridge: lt8912b: set hdmi or dvi mode
>
>  drivers/gpu/drm/bridge/lontium-lt8912b.c | 39 +++++++++++++++++-------
>  1 file changed, 28 insertions(+), 11 deletions(-)
>
> --
> 2.37.3
>

Thanks for the series & the reviews.

Applied to drm-misc-next.


More information about the dri-devel mailing list