On Mon, Feb 26, 2024 at 07:51:05PM -0600, Bjorn Andersson wrote:
> On Mon, Feb 26, 2024 at 11:11:23PM +0200, Dmitry Baryshkov wrote:
> > Add required-opps property to the display clock controller. This makes
> > it cast minimal vote on the MMCX lane to prevents resets caused by the
> > DisplayPort / panel probing.
> >
>
> Interesting wording, this is exactly what e3e56c050ab6 ("soc: qcom:
> rpmhpd: Make power_on actually enable the domain") was supposed to do
> (cast minimal enabled vote).
>
> And sure enough, there's a bug in my patch:
> https://lore.kernel.org/linux-arm-msm/20240226-rpmhpd-enable-corner-fix-v1-1-68c004cec48c@xxxxxxxxxxx/T/#u
I've confirmed that Bjorn's patch fixes the hard resets I've seen at
boot.
I assume this patch should be discarded (and eventually also all the
related DT workarounds we have for this).
Johan
