Re: Audio and HDMI port not working on Jessie
2016-01-04 17:37 GMT+01:00 Sven Arvidsson <sa@whiz.se>:
> On Mon, 2016-01-04 at 16:25 +0100, Giuseppe Longo wrote:
>> Also, from dmesg:
>> [ 34.975654] [drm:r600_ring_test] *ERROR* radeon: ring 0 test
>> failed
>> (scratch(0x850C)=0xCAFEDEAD)
>> [ 34.975683] [drm:si_resume] *ERROR* si startup failed on resume
>> [ 34.976382] [drm:si_dpm_set_power_state] *ERROR*
>> si_upload_sw_state failed
>
> If the HDMI port is handled by the radeon card, it won't work until the
> driver and firmware works, and only if it is supported by the driver in
> jessie.
>
> The message above might be something related to having two GPUs:
> http://askubuntu.com/questions/457391/radeon-ring-0-test-failed-on-boot-ubuntu-14-04
>
> Does the laptop have something like that?
I'm almost sure that my laptop have an hybrid card, I've already found
this solution on google
but I don't have
/sys/kernel/debug/vgaswitcheroo/switch
also I didn't find something like "Enable GPU switching"
in bios settings
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