Re: [PATCH v1 5/7] drm/mediatek: Drop chain_mode_fixup call in mode_valid()

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On Thu, Jul 22, 2021 at 08:22:44AM +0200, Sam Ravnborg wrote:
> The mode_valid implementation had a call to
> drm_bridge_chain_mode_fixup() which would be wrong as the mode_valid is
> not allowed to change anything - only to validate the mode.
> 
> As the next bridge is often/always a connector the call had no effect
> anyway. So drop it.
> 
> From the git history I could see this call was included in the original
> version of the driver so there was no help there to find out why it was
> added in the first place. But a lot has changed since the initial driver
> were added and is seems safe to remove the call now.
> 
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
> Cc: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>
> Cc: linux-mediatek@xxxxxxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx

Reviewed-by: Maxime Ripard <maxime@xxxxxxxxxx>

Maxime




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