[Bug 80029] [bisected] HDMI Errors on drm-next & Linus's tree

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80029

--- Comment #5 from Mario Kleiner <mario.kleiner at tuebingen.mpg.de> ---
(In reply to comment #3)
> Hi Mario
> 
> I'm not sure about other video modes - I always use the native 1080p @ 60Hz
> I'm not sure how to change it either when I can't see the screen
> 
> I've attached the verbose xrandr output for you from a working kernel
> 

Thanks. The edid looks ok and spec conformant. If the edid doesn't lie about
your device, we should be able to drive your tv with a 12 bit deep color mode
at full resolution without problems.

> Would you like the debugging put on a working or broken kernel?

On the 3.16 kernel.

> 
> I don't remember ever seeing any EDID issues except when the receiver was on
> but the TV was off

Hm. Can you explain your setup? The TV isn't connected directly to the graphics
card, but there's some 3rd party receiver inbetween? Can you give me the
name/model of the receiver and TV?

The hdmi deep color code has been successfully tested on different panels with
dce-4 and dce-6 graphics cards, but not with the latest dce-8 kabini's. This
could be something missing in the driver specific to dce-8, or your tv
misrepresenting its capabilities.

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