[Bug 111202] Intel_backlight fails to change eDP1 brightness on Dell Precision 5540 (Coffeelake)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Jul 25 13:09:06 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=111202
Lakshmi <lakshminarayana.vudum at intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|medium |high
Whiteboard| |ReadyForDev, Triaged
Summary|[Regression]: |Intel_backlight fails to
|intel_backlight fails to |change eDP1 brightness on
|change eDP1 brightness on |Dell Precision 5540
|Dell Precision 5540 |(Coffeelake)
|(Coffeelake) |
--- Comment #6 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Arcadiy Ivanov from comment #5)
> I put a "regression" in the title, because I took an SSD from Dell Precision
> 7510, put it in Dell Precision 5540 and observed that backlight stopped
> working - i.e. something that was working stopped. There is nothing to
> bisect, because the loss of functionality occurred with device upgrade, not
> kernel version upgrade.
>
> Also, this is Fedora 30, not Ubuntu.
Acradiy, Regression gives an impression that the issue has come up after
upgrading the kernel, which is not in this case.
So, I would like to remove that from the title.
Btw, before setting up the SSD to Dell Precision 5540 machine(CFL), have you
noticed this issue on CFL?
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