[Bug 87172] UHD 4K (DisplayPort 1.2) monitor autodetects at 60Hz on Radeon 5870, which fails as this card doesn't support DP1.2

[Bug 87172] UHD 4K (DisplayPort 1.2) monitor autodetects at 60Hz on Radeon 5870, which fails as this card doesn't support DP1.2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=87172

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Driver/Radeon               |DRM/Radeon
           Assignee|xorg-driver-ati@lists.x.org |dri-devel@lists.freedesktop
                   |                            |.org
            Product|xorg                        |DRI
         QA Contact|xorg-team@lists.x.org       |

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[Bug 87172] UHD 4K (DisplayPort 1.2) monitor autodetects at 60Hz on Radeon 5870, which fails as this card doesn't support DP1.2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=87172

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 110680
  --> https://bugs.freedesktop.org/attachment.cgi?id=110680&action=edit
possible fix

This patch should fix it.

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[Bug 87172] UHD 4K (DisplayPort 1.2) monitor autodetects at 60Hz on Radeon 5870, which fails as this card doesn't support DP1.2

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https://bugs.freedesktop.org/show_bug.cgi?id=87172

--- Comment #2 from Paolo Devoti <devotip@tiscali.it> ---
Same issue on Ubuntu 17.10 AMD RX480 and an UHD tv
see also 
https://bugs.launchpad.net/ubuntu/+bug/1725395

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[Bug 87172] UHD 4K (DisplayPort 1.2) monitor autodetects at 60Hz on Radeon 5870, which fails as this card doesn't support DP1.2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=87172

--- Comment #3 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Paolo Devoti from comment #2)
> Same issue on Ubuntu 17.10 AMD RX480 and an UHD tv
> see also 
> https://bugs.launchpad.net/ubuntu/+bug/1725395

Your chip is supported by a different driver (radeon vs amdgpu) please open
your own bug.

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[Bug 87172] UHD 4K (DisplayPort 1.2) monitor autodetects at 60Hz on Radeon 5870, which fails as this card doesn't support DP1.2

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=87172

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
Closing due to no feedback.

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