Fails to lauch X on laptop with Ryzen 7 4700U

Chris Chiu chiu at endlessm.com
Mon Feb 3 02:51:56 UTC 2020


We are working with new laptops that have the Ryzen 7 4700U.

It fails to launch X so I can only access via the virtual terminal.
I tried with the latest mainline kernel and kernel from
https://cgit.freedesktop.org/~agd5f/linux but no luck. I also boot
the kernel with parameter amdgpu.exp_hw_support=1, but
the system freezes after loading amdgpu and I can't even switch
to the virtual terminal.

I post the bug description and related information on
https://gitlab.freedesktop.org/drm/amd/issues/1031.

Please kindly advise what I should do next.

Thanks
Chris


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