[PATCH AUTOSEL 6.1 18/22] drm/mediatek: dp: Change logging to dev for mtk_dp_aux_transfer()

Pavel Machek pavel at denx.de
Mon Sep 11 09:53:43 UTC 2023


Hi!

> From: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> 
> [ Upstream commit fd70e2019bfbcb0ed90c5e23839bf510ce6acf8f ]
> 
> Change logging from drm_{err,info}() to dev_{err,info}() in functions
> mtk_dp_aux_transfer() and mtk_dp_aux_do_transfer(): this will be
> essential to avoid getting NULL pointer kernel panics if any kind
> of error happens during AUX transfers happening before the bridge
> is attached.
> 
> This may potentially start happening in a later commit implementing
> aux-bus support, as AUX transfers will be triggered from the panel
> driver (for EDID) before the mtk-dp bridge gets attached, and it's
> done in preparation for the same.

This is preparation for patches we are not going to apply to
stable. Please drop.

BR,
								Pavel
-- 
DENX Software Engineering GmbH,        Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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