https://bugs.freedesktop.org/show_bug.cgi?id=106999
Mike Lothian changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://bugs.freedesktop.org/show_bug.cgi?id=106999
--- Comment #14 from Ilia Mirkin ---
(In reply to Mike Lothian from comment #13)
> I know my SkyQ box outputs at 2160@60Hz in 10bit colour
https://en.wikipedia.org/wiki/HDMI#Refresh_frequency_limits_for_HDR10_video
4k@60@10bpc needs YUV 4:2:2
https://bugs.freedesktop.org/show_bug.cgi?id=106999
--- Comment #13 from Mike Lothian ---
What is Raven capable of? I know my SkyQ box outputs at 2160@60Hz in 10bit
colour
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dr
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--- Comment #12 from Alex Deucher ---
>From what I can see the HDMI 2.0 spec only supports 4k@60 at 8 bpc. I think
you need HDMI 2.1 for 4k@60 with 10 bpc or greater.
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--- Comment #11 from Mike Lothian ---
It might be the same, the EDID says the TV is capable of both 10bit and 12bit
colour, I was under the impression that HDMI 2 was able to do 2160p@60Hz at
those colour depths
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Michel Dänzer changed:
What|Removed |Added
CC||harry.wentl...@amd.com,
https://bugs.freedesktop.org/show_bug.cgi?id=106999
--- Comment #9 from Mike Lothian ---
I have a feeling that Kwin was trying to modeset back to 60Hz which was causing
Xorg to crash and the error to appear in the dmesg
I'll post the Xorg.0.logs if I manage to reproduce the issue
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--- Comment #8 from Mike Lothian ---
Created attachment 140278
--> https://bugs.freedesktop.org/attachment.cgi?id=140278&action=edit
Xorg.0.log with modesetting
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--- Comment #7 from Mike Lothian ---
Xrandr now with modesetting
xrandr
Screen 0: minimum 320 x 200, current 3840 x 2160, maximum 16384 x 16384
HDMI-1 connected primary 3840x2160+0+0 (normal left inverted right x axis y
axis) 1872mm x 1053mm
https://bugs.freedesktop.org/show_bug.cgi?id=106999
--- Comment #6 from Mike Lothian ---
Strange I've just tried to do this again with modesetting and X starts but the
higher than 30Hz options aren't selectable, and 60Hz exactly is still missing
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--- Comment #5 from Mike Lothian ---
Created attachment 140277
--> https://bugs.freedesktop.org/attachment.cgi?id=140277&action=edit
Dmesg with error
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--- Comment #4 from Mike Lothian ---
If I use the modesetting DDX (with Xorg from git - to include the PCIIDs for
Raven) X no longer starts and I get an error in the dmesg
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--- Comment #3 from Mike Lothian ---
Created attachment 140276
--> https://bugs.freedesktop.org/attachment.cgi?id=140276&action=edit
EDID
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--- Comment #2 from Mike Lothian ---
Created attachment 140275
--> https://bugs.freedesktop.org/attachment.cgi?id=140275&action=edit
Dmesg no 60Hz
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Mike Lothian changed:
What|Removed |Added
CC||m...@fireburn.co.uk
--- Comment #1 from
https://bugs.freedesktop.org/show_bug.cgi?id=106999
Bug ID: 106999
Summary: [raven] 2160p@60Hz no longer available
Product: DRI
Version: DRI git
Hardware: Other
OS: All
Status: NEW
Severity: normal
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