Re: [PATCH v2 1/2] drm/bridge: Fix improper bridge init order with pre_enable_prev_first

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Hi Robert

On Tue, Mar 5, 2024 at 3:54 PM Robert Foss <rfoss@xxxxxxxxxx> wrote:
>
> On Tue, 28 Mar 2023 22:37:51 +0530, Jagan Teki wrote:
> > For a given bridge pipeline if any bridge sets pre_enable_prev_first
> > flag then the pre_enable for the previous bridge will be called before
> > pre_enable of this bridge and opposite is done for post_disable.
> >
> > These are the potential bridge flags to alter bridge init order in order
> > to satisfy the MIPI DSI host and downstream panel or bridge to function.
> > However the existing pre_enable_prev_first logic with associated bridge
> > ordering has broken for both pre_enable and post_disable calls.
> >
> > [...]
>
> Please excuse the delay, patches touching the core bridge code are a little
> bit tougher to merge due to increased risks of breaking unrelated things.
>
> Applied, thanks!
>

I have a question about this prev_first flag. Can we map the order in
the connector
in dts?

Michael

> [1/2] drm/bridge: Fix improper bridge init order with pre_enable_prev_first
>       https://cgit.freedesktop.org/drm/drm-misc/commit/?id=e18aeeda0b69
> [2/2] drm/bridge: Document bridge init order with pre_enable_prev_first
>       https://cgit.freedesktop.org/drm/drm-misc/commit/?id=113cc3ad8566
>
>
>
> Rob
>
>


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Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
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