[Bug 109206] Kernel 4.20 amdgpu fails to load firmware on Ryzen 2500U

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109206

--- Comment #25 from Nicola Orlando <niki.or97 at yahoo.it> ---
(In reply to Harry Wentland from comment #17)
> I don't have that laptop but this link mentions a method to "Update the BIOS
> when Windows does not start": https://support.hp.com/ca-en/document/c00042629
> 
> I'd be more curious to know if the patch I posted fixes it.

I tried the linux-amd-staging-drm-next kernel (which should already have the
patch if the other comments are to be trusted). I have the same error as
comment #19, but the screen goes completely blank while the system stays
responsive. I can even start X and run glxgears in it, although the screen
still stays black and I can't see anything. It runs at 60 FPS for the first ~5
seconds, then drops to a steady 1 FPS.

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