[Bug 60639] New: RV635: Kernel displays black screen when monitor is connect via DisplayPort

[Bug 60639] New: RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

            Bug ID: 60639
           Summary: RV635: Kernel displays black screen when monitor is
                    connect via DisplayPort
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.10.3 (and earlier)
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: kernspam@schreib-doch-mal-wieder.de
        Regression: No

When the monitor is connected via DisplayPort I can see grub but once the
kernel takes over, the screen goes black. When the same monitor is connected
via DVI
everything works.

Adding the kernel option "video=DP-1:1920x1200@75" makes at least the kernel
messages and virtual consoles work. However, when X starts the screen goes
black again. This might be related to the bug reported here:
https://bugzilla.novell.com/show_bug.cgi?id=752593

Modeline from EDID:
Detailed mode: Clock 154.000 MHz, 518 mm x 324 mm
               1920 1968 2000 2080 hborder 0
               1200 1203 1209 1235 vborder 0
               +hsync -vsync 
Monitor ranges (GTF): 50-61Hz V, 30-83kHz H, max dotclock 170MHz

Kernel 3.10.3 (but also tested with 3.9.x and 3.8.x)

Graphic chip: ATI Mobility FireGL V5700
(the second intel chip should be disabled)

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Please attach your xorg log, dmesg output, and xrandr --verbose output.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 107040
  --> https://bugzilla.kernel.org/attachment.cgi?id=107040&action=edit
possible fix

The attached patch should fix the issue.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #3 from kernspam@schreib-doch-mal-wieder.de ---
The patch did not fix the issue. :( Didn't change anything.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
Please attach your xorg log, dmesg output, and xrandr --verbose output.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

douglas_peale@yahoo.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |douglas_peale@yahoo.com

--- Comment #5 from douglas_peale@yahoo.com ---
I can confirm that the patch did not fix the problem. 
I folowed these instructions to build the kernel:
https://wiki.ubuntu.com/KernelTeam/GitKernelBuild .
I went to manually edit the atom.c file, but found that the changes had already
been applied in the version I downloaded.
I will now attempt to add the requested files

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #6 from douglas_peale@yahoo.com ---
Created attachment 107312
  --> https://bugzilla.kernel.org/attachment.cgi?id=107312&action=edit
Requested xorg log

I hope this is the correct log file

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #7 from douglas_peale@yahoo.com ---
Created attachment 107313
  --> https://bugzilla.kernel.org/attachment.cgi?id=107313&action=edit
dmesg output

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #8 from douglas_peale@yahoo.com ---
Created attachment 107314
  --> https://bugzilla.kernel.org/attachment.cgi?id=107314&action=edit
xrandr --verbose output

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #9 from douglas_peale@yahoo.com ---
I will note that the system is currently set up with two monitors, one
dual-link DVI (the one I am using to enter this message) the other Display port
that was working up to grub, then it shut itself off after the grub screen. The
stuff in xrandr.output about nothing being connected to the display port is
incorrect.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #10 from Alex Deucher <alexdeucher@gmail.com> ---
Can you please attach a copy of your vbios?

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

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #11 from douglas_peale@yahoo.com ---
Created attachment 107330
  --> https://bugzilla.kernel.org/attachment.cgi?id=107330&action=edit
Requested rom dump

Requested file.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #12 from douglas_peale@yahoo.com ---
Has there been any progress on this? I am very near throwing money at the
problem and buying an NVidea card. At least then I can plug in whichever brand
currently has working drivers.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #13 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 110691
  --> https://bugzilla.kernel.org/attachment.cgi?id=110691&action=edit
possible fix

Does the attached patch help?

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #14 from douglas_peale@yahoo.com ---
I am afraid I threw money at the problem and solved it by buying an Nvidia
GeForce GTX760. After a year and a month since I originally reported this bug
on Launchpad.net, apparent lack of activity on this site, video breaking for
mythTV every other update to ubuntu, I'd had enough.
I am currently running the setup I originally intended: Dell 2560x1600/60
monitor on dual link DVI next to my BenQ 1920x1080/120, on display port both in
landscape mode. MythTV is playing video without dropping frames or stuttering
audio. I got this setup working not more than an hour ago, after the most
frustrating, difficult driver instalation I have ever experienced. But this is
a configuration I was never able to achieve with either the propriatary drivers
from ATI (when they were still available), or the open source drivers.
I hope you eventually succeed in making these drivers work, but I could not
take it any more.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #15 from kernspam@schreib-doch-mal-wieder.de ---
Patch didn't work. :-(

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

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https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #16 from kernspam@schreib-doch-mal-wieder.de ---
Any news? I don't want to buy a new computer just to get a working DisplayPort.

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #17 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 121911
  --> https://bugzilla.kernel.org/attachment.cgi?id=121911&action=edit
possible fix

Does this patch help?

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

Marco Krüger <krgsch@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |krgsch@gmail.com

--- Comment #18 from Marco Krüger <krgsch@gmail.com> ---
I ran into the same problem with my Dell machine. After X takes over my screens
stay black. Both screens are connected via DisplayPort. I'll attach all
requested files so far.

* kernel 3.18.6
* X server 1.17.1
* AMD Turks / Northern Island GPU

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #19 from Marco Krüger <krgsch@gmail.com> ---
Created attachment 167251
  --> https://bugzilla.kernel.org/attachment.cgi?id=167251&action=edit
AMD Turks - lspci

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #20 from Marco Krüger <krgsch@gmail.com> ---
Created attachment 167261
  --> https://bugzilla.kernel.org/attachment.cgi?id=167261&action=edit
AMD Turks - dmesg

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #21 from Marco Krüger <krgsch@gmail.com> ---
Created attachment 167281
  --> https://bugzilla.kernel.org/attachment.cgi?id=167281&action=edit
AMD Turks - Xorg.log

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #22 from Marco Krüger <krgsch@gmail.com> ---
Created attachment 167291
  --> https://bugzilla.kernel.org/attachment.cgi?id=167291&action=edit
AMD Turks - Xrandr

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #23 from Marco Krüger <krgsch@gmail.com> ---
Created attachment 167301
  --> https://bugzilla.kernel.org/attachment.cgi?id=167301&action=edit
AMD Turks - VBIOS dump

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[Bug 60639] RV635: Kernel displays black screen when monitor is connect via DisplayPort

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=60639

--- Comment #24 from Marco Krüger <krgsch@gmail.com> ---
Created attachment 167351
  --> https://bugzilla.kernel.org/attachment.cgi?id=167351&action=edit
AMD Turks - dmesg verbose (drm.debug=0xE)

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