Re: [PATCH v8 29/29] soc: qcom: pmic-glink-altmode: skip retimer reset on DP IRQ

[Abel Vesa]

On 26-11-10 12:54:50, Yongxing Mou wrote:
> A DP HPD IRQ reports a sink-side event and does not imply a Type-C
> routing change. Reprogramming the retimer for every IRQ can reset or
> disturb its datapath while link training or video transmission is in
> progress, causing intermittent DisplayPort link failures.
> 
> Cache the successfully programmed DP retimer mode, HPD level, and
> orientation. When an IRQ arrives with the same state, leave the retimer
> untouched while continuing to notify DRM so MST sink IRQ handling is
> preserved. Invalidate the cache on non-DP modes and after a failed retimer
> update so later DP transitions are always configured.
> 
> Signed-off-by: Yongxing Mou <yongxing.mou@xxxxxxxxxxxxxxxx>

LGTM, so:

Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>