[Bug 70934] [Regression] Problem with colors (depth?) on DCE5 Barts (HD69xx)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70934

--- Comment #13 from Alex Deucher <agd5f at yahoo.com> ---
(In reply to comment #12)
> Created attachment 88238 [details] [review]
> drm/radeon: enable FMT dither for non-DP-bridge eDP
> 
> I needed this patch to be able to see "dither" property for eDP, but it
> doesn't change anything. I did:
> xrandr --output eDP --set dither on
> (and noticed changed in xrandr --prop), but it didn't improve colors for me.
> 
> I've also tried:
> xrandr --output eDP --off; sleep 1s; xrandr --output eDP --auto
> but it also didn't help.
> 
> Is dither supported for eDP at all?

Dithering is enabled automatically based on OEM config for LVDS and eDP panels
so we don't expose the dither attribute for them.  What connectors and asics
are you having problems with?

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