[Bug 104139] [CFL] Screen goes blank right after boot.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Apr 7 18:50:19 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=104139

--- Comment #26 from Pavel Nakonechnyi <zorg1331 at gmail.com> ---
(In reply to Rodrigo Vivi from comment #23)
> Feel free to reopen in case this is still seen on trees with these patches
> applied.

I just want to mention that I had the similar problem on a laptop Dell
Lattitude 5590 with "Intel Corporation UHD Graphics 620 (rev 07)".

Luckily I was able to find this bug report and fixed it by applying patch from
https://patchwork.kernel.org/patch/10003565/ "drm/i915: check pin validity of
VBT configurationlogin".

I applied the patch to v4.16 linux kernel tag, so it requires small
modifications. I see that https://patchwork.kernel.org/patch/10180851/
"drm/i915/cnp: Ignore VBT request for know invalid DDC pin." could help, but it
seems more like a quirk.

Could someone promote these solutions into mainline/longterm kernels? Or it is
already in queue and will be included in next releases?

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