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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GLK DSI] Black screen after grub - Ubuntu 18.04 - kernel latest tip 21.11.2018"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108826#c97">Comment # 97</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GLK DSI] Black screen after grub - Ubuntu 18.04 - kernel latest tip 21.11.2018"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108826">bug 108826</a>
from <span class="vcard"><a class="email" href="mailto:stanislav.lisovskiy@intel.com" title="Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>"> <span class="fn">Stanislav Lisovskiy</span></a>
</span></b>
<pre>(In reply to Miroslaw from <a href="show_bug.cgi?id=108826#c96">comment #96</a>)
<span class="quote">> Panel "a" works ok now with the path ... until I sleep device ( Android or
> Linux ) ...when I wake up device the screen is totally black even backlight
> no works - only restart device helps ... until I sleep device again...
> I have the same result on panel "b" ( with that path but panel do not need
> it - just for test )... waking up device from sleep - ... only black
> screen..( when path is applied )
>
> Summarize:
>
> Without the path:
> - panel "a" only works until kernel starts loading drm driver then is black
> but backlight works.
> - panel "b" - everything is ok.. no problems.
>
> With the path
> - panel "a" works until you sleep device ( s3 or s4 for instance ) then you
> have totally black screen - even backlight not working.
>
>
> - panel "b" works until you sleep device ( s3 or s4 for instance ) then you
> have totally black screen - even backlight not working.</span >
Can you please share your kernel config, that you use(which works)? Or I see
there is one in attachment - can I use that one?</pre>
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