[Bug 110822] [Bisected]Booting with kernel version 5.1.0 or higher on RX 580 hangs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110822

--- Comment #19 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Gobinda Joy from comment #18)
> 
> What I don't get is why they are using 2 calls to get the bandwidth reading.
> Since both function walking the PCIe tree what's the point. Also it seems
> like the call to pcie_bandwidth_available() function is casing the
> freeze/hangs in my system. So that's counts for something.
> 

Can you try a drm-next kernel?  This code was ultimately cleaned in this patch:
https://cgit.freedesktop.org/drm/drm/commit/?id=dbaa922b5706b1aff4572c280e15bbea2d04afe6
I don't know why pcie_bandwidth_available() is causing problems for you, it's
just standard PCIE stuff.

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