[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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https://bugs.freedesktop.org/show_bug.cgi?id=80531

Martin Peres  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|NEW |RESOLVED

--- Comment #14 from Martin Peres  ---
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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80531

--- Comment #13 from fredrik at obra.se ---
(In reply to comment #12)
> Created attachment 102075 [details] [review]
> add deep color module option
> 
> This patch disables the deep color support by default which should resolve
> your issue.  You can set radeon.deep_color=1 on the kernel command line in
> grub to re-enable it.  Hopefully we can resolve this properly for 3.17 and
> enable deep color by default.

Indeed it does. I've tested with 3.16-rc4 and all is well again. Sorry for the
delayed reply. If I can be useful in further testing please let me know.
Thanks.

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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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https://bugs.freedesktop.org/show_bug.cgi?id=80531

--- Comment #12 from Alex Deucher  ---
Created attachment 102075
  --> https://bugs.freedesktop.org/attachment.cgi?id=102075=edit
add deep color module option

This patch disables the deep color support by default which should resolve your
issue.  You can set radeon.deep_color=1 on the kernel command line in grub to
re-enable it.  Hopefully we can resolve this properly for 3.17 and enable deep
color by default.

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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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https://bugs.freedesktop.org/show_bug.cgi?id=80531

--- Comment #11 from fredrik at obra.se ---
(In reply to comment #10)
> I applied the latest patch on a vanilla source-tree and i still get no
> signal.

Correction - I get a "resolution out of range" with the latest patch

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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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--- Comment #10 from fredrik at obra.se ---
I applied the latest patch on a vanilla source-tree and i still get no signal.

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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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https://bugs.freedesktop.org/show_bug.cgi?id=80531

--- Comment #9 from fredrik at obra.se ---
Created attachment 101887
  --> https://bugs.freedesktop.org/attachment.cgi?id=101887=edit
vbios.rom

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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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https://bugs.freedesktop.org/show_bug.cgi?id=80531

Alex Deucher  changed:

   What|Removed |Added

 Attachment #101773|0   |1
is obsolete||

--- Comment #8 from Alex Deucher  ---
Created attachment 101866
  --> https://bugs.freedesktop.org/attachment.cgi?id=101866=edit
testing patch

Does this help?  Can you also attach a copy of your vbios?  To get a copy of
your vbios:

(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom

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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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--- Comment #7 from fredrik at obra.se ---
No, still no signal

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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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https://bugs.freedesktop.org/show_bug.cgi?id=80531

Alex Deucher  changed:

   What|Removed |Added

 Attachment #101763|0   |1
is obsolete||

--- Comment #6 from Alex Deucher  ---
Created attachment 101773
  --> https://bugs.freedesktop.org/attachment.cgi?id=101773=edit
testing patch

Does this patch help?

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--- Comment #5 from fredrik at obra.se ---
Not really. Now i get a "no signal" error from my TV.

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[Bug 80531] 3.16-rc2 hdmi output resolution out of range Cape Verde PRO [Radeon HD 7750]

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--- Comment #4 from Alex Deucher  ---
Created attachment 101763
  --> https://bugs.freedesktop.org/attachment.cgi?id=101763=edit
limit bpc to 10

Does this patch help?

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--- Comment #3 from fredrik at obra.se ---
Created attachment 101762
  --> https://bugs.freedesktop.org/attachment.cgi?id=101762=edit
proper kernel-log

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--- Comment #2 from Alex Deucher  ---
Can you attach the dmesg with drm.debug=1 before you start X?  All the
important information is cut off.  E.g., boot into single user mode (append 1
to the kernel command line in grub).

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--- Comment #1 from fredrik at obra.se ---
Created attachment 101760
  --> https://bugs.freedesktop.org/attachment.cgi?id=101760=edit
Xorg log

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