[PATCH] arm64: dts: mediatek: mt8186-corsola: Disable DPI display interface
Nícolas F. R. A. Prado
nfraprado at collabora.com
Thu Aug 22 08:25:42 PDT 2024
On Wed, Aug 21, 2024 at 12:28:34PM +0800, Chen-Yu Tsai wrote:
> The DPI display interface feeds the external display pipeline. However
> the pipeline representation is currently incomplete. Efforts are still
> under way to come up with a way to represent the "creative" repurposing
> of the DP bridge chip's internal output mux, which is meant to support
> USB type-C orientation changes, to output to one of two type-C ports.
>
> Until that is finalized, the external display can't be fully described,
> and thus won't work. Even worse, the half complete graph potentially
> confuses the OS, breaking the internal display as well.
>
> Disable the external display interface across the whole Corsola family
> until the DP / USB Type-C muxing graph binding is ready.
>
> Reported-by: Alper Nebi Yasak <alpernebiyasak at gmail.com>
> Closes: https://lore.kernel.org/linux-mediatek/38a703a9-6efb-456a-a248-1dd3687e526d@gmail.com/
> Fixes: 8855d01fb81f ("arm64: dts: mediatek: Add MT8186 Krabby platform based Tentacruel / Tentacool")
> Cc: <stable at vger.kernel.org>
> Signed-off-by: Chen-Yu Tsai <wenst at chromium.org>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>
Would be good to have Alper verify that with this change the internal display
works again in their specific setup, although this change seems reasonable to me
either way.
Thanks,
Nícolas
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