[Bug 110478] AMDGPU error(failed to set mode: cannot allocate memory) when hdmi connected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110478

--- Comment #3 from cmdrrdo at gmail.com ---



(In reply to Michel Dänzer from comment #2)
> Yeah, this is a kernel issue. There's only a small amount of VRAM available,
> so the 5760x2160 framebuffer can't fit, and the kernel driver doesn't
> support scanout from system memory with Raven Ridge yet.
> 
> Meanwhile, if the amount of VRAM can be increased in the BIOS setup, try
> that.

Thank you very much for the explanation and workaround suggestion. My choices
on this laptop are "128M" or "Auto". I think I have to poke Asus about this,
but: With Auto I do get 2048 as per dmesg and it's working.

So again, thank you. :)

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