[Bug 97941] DRM i915 on surface 3 fail

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=97941

Ville Syrjala <ville.syrjala at linux.intel.com> changed:

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                 CC|                            |ville.syrjala at linux.intel.c
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--- Comment #4 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Benoit Gschwind from comment #3)
> dmesg seems to point out that there is unexpected entry in VBIOS, thus I
> tried to dump VBIOS folowing :
> 
> https://01.org/linuxgraphics/documentation/development/how-dump-video-bios
> 
> But I get an I/O error.
> 
> Best regards

Just
cat /sys/kernel/debug/dri/0/i915_opregion > file
is enough

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