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SubjectRe: [PATCH 1/2] drm/msm/dp: postpone irq_hpd event during connection pending state
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Quoting khsieh@codeaurora.org (2021-01-13 09:44:24)
> On 2021-01-11 11:55, Stephen Boyd wrote:
> > Quoting Kuogee Hsieh (2021-01-07 12:30:24)
> >> irq_hpd event can only be executed at connected state. Therefore
> >> irq_hpd event should be postponed if it happened at connection
> >> pending state. This patch also make sure both link rate and lane
> >
> > Why does it happen at connection pending state?
> plug in need two state to complete it.
> advance to connection pending state once link training completed and
> sent uevent notification to frame work.
> transition to connected state after frame work provided resolution
> timing and start transmit video panel.
> Therefore irq_hpd should not be handled if it occurred before connected
> state.
> >
> >> are valid before start link training.
> >
> > Can this part about link rate and lane being valid be split off into
> > another patch?
> >
> ok, i will spilt this patch into two.
> I will merge irq_hpd event part into 2nd patch (drm/msm/dp: unplug
> interrupt missed after irq_hpd handler).

It looks like Rob already picked this patch up

https://gitlab.freedesktop.org/drm/msm/-/commit/2b5f09cadfc576817c0450e01d454f750909b103

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