linux-kernel - Re: [PATCH v1 0/4] PCI: brcmstb: Re-submit reverted patchset

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Date:   Tue, 5 Jul 2022 23:28:01 +0200
From:   Cyril Brulebois <kibi@...ian.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Jim Quinlan <jim2101024@...il.com>, linux-pci@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        bcm-kernel-feedback-list@...adcom.com, james.quinlan@...adcom.com,
        Krzysztof Wilczyński <kw@...ux.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v1 0/4] PCI: brcmstb: Re-submit reverted patchset

Florian Fainelli <f.fainelli@...il.com> (2022-07-05):
> On 7/5/22 13:55, Cyril Brulebois wrote:
> > That happens with current master (v5.19-rc5-56-ge35e5b6f695d2), with
> > or without this patchset.
> > 
> > That being said, I'm not able to reproduce the showstopper
> > regression that I reported against the initial patchset (booting was
> > breaking in the very first few seconds), so I suppose it's fine to
> > propose the following even if that's somewhat tainted by those mmc
> > issues.
> 
> Any chance you can bisect the eMMC issues so we can investigate those
> separately? Thanks!

Definitely. I wanted to make sure I wouldn't delay the reintroduction of
this patchset (feeling partly responsible for the revert that happened
in the first place), by providing some feedback regarding a possible
come-back of the regression, as soon as possible.

Now that this is out of the way, I'll try and find time to investigate
those MMC issues. Ditto for DRM, I seem to have completely lost the HDMI
output (that's less of an issue thanks to the serial console that has
been rather reliable to gather kernel logs).

I think I started encountering both issues very early in the devel
cycle (when we were still trying to find some follow-up commits to fix
the regression instead of going for the full-on revert), but I couldn't
afford spending time chasing multiple issues at once. I haven't checked
whether reports exist already for those issues, but that's my next step.

Cheers,
-- 
Cyril Brulebois (kibi@...ian.org)            <https://debamax.com/>
D-I release manager -- Release team member -- Freelance Consultant

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