[Bug 28554] New: Radeon fail with DisplayPort

[Bug 28554] New: Radeon fail with DisplayPort

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=28554

           Summary: Radeon fail with DisplayPort
           Product: DRI
           Version: XOrg CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: seblu@seblu.net


Created an attachment (id=36293)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36293)
dmesg

Hi,

I would report you a bug with displayport and radeon module on recent linux 
kernel. When my card is plugged with displayport I have the following error in 
dmesg and screen stay black.
[   18.493734] [drm:dp_link_train] ERROR clock recovery reached max voltage
[   18.493735] [drm:dp_link_train] ERROR clock recovery failed
[   18.510279] [drm:dp_link_train] ERROR channel eq failed: 5 tries
[   18.510280] [drm:dp_link_train] ERROR channel eq failed

When i plug my screen with (dell 27" 2560*1440) a DVI cord everything is 
fabulous.

This was tested with 2.6.35-rc3, 2.6.34, 2.6.32 and all is revelent. I've also 
tested with a patch from here : 
http://comments.gmane.org/gmane.comp.video.dri.devel/46851
but nothing change.

My test was done with a debian sid/experimental disto.
# lspci|grep VGA  
01:00.0 VGA compatible controller: ATI Technologies Inc RV710 [Radeon HD 4550]
# uname -a                                                                      
Linux sluttrin 2.6.35-rc3-seblu #5 SMP Mon Jun 14 15:43:18 CEST 2010 x86_64 
GNU/Linux
# dpkg -l|grep -e radeon -e mesa                                                
(16:47)[2]
ii  libdrm-radeon1                       2.4.21-1                        
Userspace interface to radeon-specific kerne
ii  libdrm-radeon1-dbg                   2.4.21-1                        
Userspace interface to radeon-specific kerne
ii  libgl1-mesa-dri                      7.8.1-2                         A 
free implementation of the OpenGL API -- D
ii  libgl1-mesa-glx                      7.8.1-2                         A 
free implementation of the OpenGL API -- G
ii  libglu1-mesa                         7.7.1-3                         The 
OpenGL utility library (GLU)
ii  mesa-utils                           7.7.1-3                         
Miscellaneous Mesa GL utilities
ii  xserver-xorg-video-radeon            1:6.13.0-2                      X.Org 
X server -- AMD/ATI Radeon display dri
ii  xserver-xorg-video-radeon-dbg        1:6.13.0-2                      X.Org 
X server -- AMD/ATI Radeon display dri
ii  xserver-xorg-video-radeonhd          1.3.0-3                         X.Org 
X server -- AMD/ATI r5xx-r7xx alternat
ii  xserver-xorg-video-radeonhd-dbg      1.3.0-3                         X.Org 
X server -- AMD/ATI r5xx-r7xx alternat

I can provide more information on request and offer help testing patches.

Regards,

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

--- Comment #1 from Seblu <seblu@seblu.net> 2010-06-15 09:00:45 PDT ---
Created an attachment (id=36294)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36294)
Xorg log file

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

--- Comment #2 from Seblu <seblu@seblu.net> 2010-06-15 09:14:18 PDT ---
test with modeseting disable is the same. Screen stay black. But error is not
in dmesg. I will add Xorg log and dmesg.

Need anything else ?

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[Bug 28554] Radeon fail with DisplayPort

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=28554

--- Comment #3 from Seblu <seblu@seblu.net> 2010-06-15 09:15:02 PDT ---
Created an attachment (id=36295)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36295)
dmesg without modeset

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

--- Comment #4 from Seblu <seblu@seblu.net> 2010-06-15 09:15:32 PDT ---
Created an attachment (id=36296)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36296)
Xorg.0.log without modeset

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #36293|application/octet-stream    |text/plain
          mime type|                            |
  Attachment #36293|0                           |1
           is patch|                            |

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #36294|text/x-log                  |text/plain
          mime type|                            |
  Attachment #36294|0                           |1
           is patch|                            |

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #36295|application/octet-stream    |text/plain
          mime type|                            |
  Attachment #36295|0                           |1
           is patch|                            |

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #36296|application/octet-stream    |text/plain
          mime type|                            |
  Attachment #36296|0                           |1
           is patch|                            |

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> 2010-06-15 10:30:43 PDT ---
Do any modes other than 2560x1440 work ok?

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

--- Comment #6 from Seblu <seblu@seblu.net> 2010-06-15 10:54:50 PDT ---
with this xorg.conf

    SubSection "Display"
        #Modes    "2560x1440" "1920x1200" "1280x1024" "1024x768" "800x600"
"640x480"
        Modes    "1024x768" "800x600" "640x480"
    EndSubSection

screen is still black. In attachment, xorg log file

On Tue, Jun 15, 2010 at 7:30 PM,  <bugzilla-daemon@freedesktop.org> wrote:
> https://bugs.freedesktop.org/show_bug.cgi?id=28554
>
> --- Comment #5 from Alex Deucher <agd5f@yahoo.com> 2010-06-15 10:30:43 PDT ---
> Do any modes other than 2560x1440 work ok?
>
> --
> Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email
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> You reported the bug.
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[Bug 28554] Radeon fail with DisplayPort

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=28554

--- Comment #7 from Seblu <seblu@seblu.net> 2010-06-15 10:58:47 PDT ---
Created an attachment (id=36299)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36299)
Xorg.0.log with a mode lower than 2560

This is an example with a resolution of 1024x768. But none other works.

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[Bug 28554] Radeon fail with DisplayPort

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https://bugs.freedesktop.org/show_bug.cgi?id=28554

Alex Deucher <agd5f@yahoo.com> changed:

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

--- Comment #8 from Alex Deucher <agd5f@yahoo.com> 2010-06-17 09:02:54 PDT ---


*** This bug has been marked as a duplicate of bug 27314 ***

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