[Letux-kernel] [PATCH] arm: configs: pyra: stablize pyra defconfig

David Shah dave at ds0.me
Fri Aug 28 20:33:35 CEST 2020

So far the main issues in 5.9 that I have observed on the Pyra (possibly most of
these are actually 5.7+ issues).

 - Sometimes the display driver doesn't start correctly, this seems to be
related to HDMI not initialising with EPROBE_DEFER forever.
 - When the display goes to sleep via DPMS, it doesn't turn on again, getting
stuck forever in an atomic modeset operation.
 - The PowerVR driver initialisation fails. I suspect that a clock for the GPU
isn't being enabled properly; or less likely some memory management change in
the kernel has broken the accesses that the driver does.


On Fri, 2020-08-28 at 10:54 -0700, Nick Elsmore wrote:
> > queued for kernel versions letux-4.19.y, letux-5.4.y, letux-5.6.y (EOL!)
> > 
> > and letux-5.9-rc3.
> > 
> > 
> > 
> > Most likely it will only fit v4.19 or v5.6 but running config for
> > 
> > other releases will show which config options are no longer understood
> > 
> > or are new.
> Yep all of my development and testing has been on letux-5.6.y as this is
> currently the most stable branch for the Pyra hardware. As this is not an LTS,
> I need to get off this soon.  I’ll work to get my unit booting on 5.9-rc3 so I
> can stabilize the config for this branch. 
> Thanks
> Nick Elsmore
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