[Bug 111202] Intel_backlight fails to change eDP1 brightness on Dell Precision 5540 (Coffeelake)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111202

Jani Nikula <jani.nikula at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTABUG

--- Comment #10 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Arcadiy Ivanov from comment #8)
> I can confirm that removing `i915.enable_dpcd_backlight=1` fixes the
> brightness issue.

Not a bug then. Displays have different ways of controlling the brightness, and
you can't assume they are all the same.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the assignee for the bug.
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20190731/a7786714/attachment-0001.html>