[Bug 98491] [HSW] i915 only uses 165MHz for HDMI port

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98491

--- Comment #24 from Karol Herbst <karolherbst at gmail.com> ---
(In reply to Karol Herbst from comment #23)
> (In reply to Jani Nikula from comment #22)
> > I'm inclined to go with WONTFIX. The reasoning is that while this is
> > annoying to you, you do get something on screen. Erring on the side of
> > allowing >165 MHz modes when the display or link is not capable, one gets a
> > black screen, which is arguably a worse outcome. Additionally, you have the
> > workaround of adding the modes yourself.
> > 
> > Ville, anything you want to add?
> 
> Would it be possible to add a module parameter to overwrite the detected
> limit? this way the user has an easier way to get those modelines, because
> the alternative would be to enable drm debugging and fetch those modelines
> and adjust the output so that xrandr accepts it.

something like "i915.dspclkovwr=HDMI2=300"

I don't know if those xrandr port names are already known in the driver at that
time or not.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the QA Contact for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20170829/68655122/attachment.html>