Re: 4.3-rc6 on i7 6700 = no graphics.

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On Wed, 21 Oct 2015, Kenneth Johansson <ken@xxxxxxxxx> wrote:
> So I have a i76700 system that I'm trying to use the integrated graphics 
> with.
>
> It sort of works with kernel 4.2 but vlc have some issue with the video 
> overlay, its always on top and no scaling. Also dp MST is not working at 
> all with my dell screen so had to go down to 4k in 30HZ.
>
> Trying to use 4.3-rc6 however resulted in no graphics at all.
>
> I attached the kernel log. what can be seen is that linux in 4.3 detect 
> the amd graphics cards that it do not in 4.2. but I have in the uefi set 
> the system to use the integrated card so I'm not sure if linux should 
> even start the radeon card. But it later tries to use the intel part and 
> things is not working out ok.

Please file a new bug at [1], add drm.debug=14 module parameter and
attach dmesg there.

Please make sure you have recent firmware files from linux-firmware or
[2] installed.

BR,
Jani.


[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
[2] https://01.org/linuxgraphics/downloads

-- 
Jani Nikula, Intel Open Source Technology Center
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