[RFC][PATCH] Revert "drm/panel-simple: drop use of data-mapping property"

[Denys Drozdov]

On 2/1/22 1:07 PM, Christoph Niedermaier wrote:
> Without the data-mapping devicetree property my display won't
> work properly. It is flickering, because the bus flags won't
> be assigned without a defined bus format by the imx parallel
> display driver. There was a discussion about the removal [1]
> and an agreement that a better solution is needed, but it is
> missing so far.

Obviously bus format in panel-dpi is broken, so this revert
looks necessary. The current state of panel-dpi isn't consistent
with changes introduced in commit 4a1d0dbc8332231d1d500d7a1d13c45457262a97

> So what would be the better approach?

Another approach is using panel instead of panel-dpi.

>
> [1] https://patchwork.freedesktop.org/patch/357659/?series=74705&rev=1
>
> This reverts commit d021d751c14752a0266865700f6f212fab40a18c.

But, also you need to revert 99f155d0776fb8838e326efce056aa08e25433d0

> Signed-off-by: Christoph Niedermaier <cniedermaier at dh-electronics.com>

Tested-by: Denys Drozdov <denys.drozdov at toradex.com>


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