On Thu, 02 May 2024 23:39:51 +0800, Pin-yen Lin wrote:
> Set off-on-delay-us to 500000 us for pp3300_mipibrdg to make sure it
> complies with the panel's unprepare delay (the time to power down
> completely) of the power sequence. Explicit configuration on the
> regulator node is required because mt8192-asurada uses the same power
> supply for the panel and the anx7625 DP bridge.
>
> For example, the power sequence could be violated in this sequence:
> 1. Bridge on: panel goes off, but regulator doesn't turn off (refcount=1).
> 2. Bridge off: regulator turns off (refcount=0).
> 3. Bridge resume -> regulator turns on but the bridge driver doesn't
> check the delay.
>
> [...]
Applied to v6.10-next/dts64, thanks!
[1/1] arm64: dts: mediatek: mt8192-asurada: Add off-on-delay-us for pp3300_mipibrdg
commit: 476d7adf84deb884e0f8f74417bf5249ab9a95b3
Cheers,
Angelo
