[Bug 101044] I915 driver caused VGA got no ignal after plug-out then plug-in the VGA cable

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101044

--- Comment #5 from krisman at collabora.co.uk ---
(In reply to amy.shih from comment #4)
> Hi Sir,
> 
> We had downloaded & built the "drm-intel-nightly" via below commands:
> 
> # git clone git://anongit.freedesktop.org/drm-intel
> # make modules_install install
> 
> Then we got the kernel 4.11.0-rc7+ in CentOS Linux release 7.3.1611 (Core). 
> Do the VGA test, it still has the VGA no signal issue. And we remove the
> I915 module from initramfs from kernel 4.11.0-rc7+ then do the test again,
> the VGA no signal issue is gone.
> 
> We can reproduce it with drm-intel-nightly, please assist to check it, thank

Thanks for checking.  Can you run your kernel with drm.debug=0xf, reproduce the
problem and provide the dmesg?

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