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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 29 11:16:48 UTC 2017


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

--- Comment #23 from Karol Herbst <karolherbst at gmail.com> ---
(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.

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