Nouveau - Sep 2011 - [Bug 40548] New: Displayport not working on NV50

https://bugs.freedesktop.org/show_bug.cgi?id=40548

           Summary: Displayport not working on NV50
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: felipe.contreras at gmail.com
         QAContact: xorg-team at lists.x.org


This is what I get when I plug it in:

[ 1065.198294] [drm] nouveau 0000:01:00.0: plugged DP-1
[ 1070.813104] [drm] nouveau 0000:01:00.0: unplugged DP-1
[ 1070.937571] [drm] nouveau 0000:01:00.0: plugged DP-1
[ 1072.928409] [drm] nouveau 0000:01:00.0: unplugged DP-1
[ 1072.929480] [drm] nouveau 0000:01:00.0: plugged DP-1
[ 1099.207135] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid,
remainder is 125
[ 1099.207138] Raw EDID:
[ 1099.207141] <3>00 ff ff ff ff ff ff 00 10 ac 0f a0 53 48 36 30 
............SH60
[ 1099.207142] <3>24 0f 01 03 0e 34 21 78 ee ee 50 a3 54 4c 9b 26 
$....4!x..P.TL.&
[ 1099.207143] <3>0f 50 54 a5 4b 00 81 80 a9 40 71 4f b3 00 01 01 
.PT.K.... at qO....
[ 1099.207144] <3>01 01 01 01 01 01 28 3c 80 a0 70 b0 23 40 30 20 
......(<..p.#@0 
[ 1099.207146] <3>36 00 07 44 21 00 00 1a 00 00 00 ff 00 4d 36 37 
6..D!........M67
[ 1099.207147] <3>35 34 35 38 56 30 36 48 53 20 00 00 00 fc 00 44 
5458V06HS
.....D
[ 1099.207148] <3>45 4c 4c 20 30 00 00 5f ff ff ff ff ff ff ff ff  ELL
0.._........
[ 1099.207149] <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 
................
[ 1099.207150] 
[ 1107.718299] [drm] nouveau 0000:01:00.0: unplugged DP-1

I don't see anything particular on X.org, but xrandr throws this:

xrandr: cannot find crtc for output DP-1

I'm using Linux 3.0.3, and nouveau git 8378443.

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--- Comment #1 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-01 08:07:48 PDT ---
Created an attachment (id=50812)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50812)
Newer dmesg

Actually, I tried a few more times, in order to get the right EDID, but then it
seemed to work, except that the screen is all black.

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--- Comment #2 from Emil Velikov <emil.l.velikov at gmail.com> 2011-09-04
06:44:30 PDT ---
Hi Felipe

Is the monitor connected to the card at boot ?

Can you give it a try and attach your logs as recommended [1]


Cheers

[1] http://nouveau.freedesktop.org/wiki/Bugs

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--- Comment #3 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-04 07:14:11 PDT ---
(In reply to comment #2)
> Is the monitor connected to the card at boot ?
I tried that too, to no avail.
> Can you give it a try and attach your logs as recommended [1]
Ok, when I have access to it.

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Felipe Contreras <felipe.contreras at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #50812|0                           |1
        is obsolete|                            |

--- Comment #4 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-05 07:24:43 PDT ---
Created an attachment (id=50921)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50921)
dmesg

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--- Comment #5 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-05 07:25:38 PDT ---
Created an attachment (id=50922)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50922)
Xorg log

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Felipe Contreras <felipe.contreras at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #50922|text/x-log                  |text/plain
          mime type|                            |

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--- Comment #6 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-05 07:27:13 PDT ---
(In reply to comment #2)
> Is the monitor connected to the card at boot ?
> 
> Can you give it a try and attach your logs as recommended [1]
There you go.

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--- Comment #7 from Emil Velikov <emil.l.velikov at gmail.com> 2011-09-05
11:56:46 PDT ---
Thanks Felipe for the logs

It would have been great if you could tell us if the DP monitor is working at
boot, and at what exact moment it switches off - i.e. load of radeon/nouveau

Looking at your logs it appears that you have a laptop with two cards/gpus

Have you looked at Optimus [1]?

Does this setup work with the proprietary driver ?

For some reason Xorg.log is saying that you have 2 monitors connected to your
laptop, apart from the LVDS

AFAIK nouveau/nvidia cannot control more than two outputs, thus can you try
only one at a time ?

Cheers

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--- Comment #8 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-05 11:59:54 PDT ---
(In reply to comment #7)
> Thanks Felipe for the logs
> 
> It would have been great if you could tell us if the DP monitor is working
at
> boot, and at what exact moment it switches off - i.e. load of
radeon/nouveau
No, it doesn't work at boot, and it never switches off. The led turns blue,
as
if it just received signal, but it stays black. The back-light is on and
everything, there's just nothing there.
> Looking at your logs it appears that you have a laptop with two cards/gpus
Nope.
> Have you looked at Optimus [1]?
What is that?
> Does this setup work with the proprietary driver ?
Yes.
> For some reason Xorg.log is saying that you have 2 monitors connected to
your
> laptop, apart from the LVDS
I do.
> AFAIK nouveau/nvidia cannot control more than two outputs, thus can you try
> only one at a time ?
I'll try, but my LVDS is broken, so it would be tricky.

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--- Comment #9 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-05 12:21:31 PDT ---
(In reply to comment #8)
> > AFAIK nouveau/nvidia cannot control more than two outputs, thus can
you try
> > only one at a time ?
> 
> I'll try, but my LVDS is broken, so it would be tricky.
Nope, same thing, even when I removed my VGA output display and rebooted.

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--- Comment #10 from Emil Velikov <emil.l.velikov at gmail.com> 2011-09-05
12:54:27 PDT ---
By bad forgot the Optimus link [1]

Whereas for the two GPU/cards I got this from your dmesg


[    0.807677] [drm] radeon defaulting to kernel modesetting.
[    0.807678] [drm] radeon kernel modesetting enabled.



[    2.141658] MXM: GUID detected in BIOS
[    2.141736] nouveau 0000:01:00.0: power state changed by ACPI to D0
[    2.141741] nouveau 0000:01:00.0: power state changed by ACPI to D0
[    2.141753] nouveau 0000:01:00.0: PCI INT A -> GSI 16 (level, low) ->
IRQ 16
[    2.141759] nouveau 0000:01:00.0: setting latency timer to 64
[    2.144701] [drm] nouveau 0000:01:00.0: Detected an NV50 generation card
(0x0a5e00a2)

Can you attach the output of lspci just to confirm/dismiss the above


You can try the following 
1. Append "video=LVDS-1:d" to your kernel command line to disable the
LVDS
2. Choose a lower resolution for your DP monitor - "video=DP-1:1024x768 at
60"

Cheers
Emil


[1] http://nouveau.freedesktop.org/wiki/Optimus

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--- Comment #11 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-06 08:35:10 PDT ---
(In reply to comment #10)
> By bad forgot the Optimus link [1]
> 
> Whereas for the two GPU/cards I got this from your dmesg
> 
> [    0.807677] [drm] radeon defaulting to kernel modesetting.
> [    0.807678] [drm] radeon kernel modesetting enabled.
That's probably because CONFIG_DRM_RADEON=y (I compile my own kernel), but
shouldn't affect anything; the driver just doesn't detect anything. Now
I've
compiled it as a module, and still no change.
> [    2.141658] MXM: GUID detected in BIOS
> [    2.141736] nouveau 0000:01:00.0: power state changed by ACPI to D0
> [    2.141741] nouveau 0000:01:00.0: power state changed by ACPI to D0
> [    2.141753] nouveau 0000:01:00.0: PCI INT A -> GSI 16 (level, low)
-> IRQ 16
> [    2.141759] nouveau 0000:01:00.0: setting latency timer to 64
> [    2.144701] [drm] nouveau 0000:01:00.0: Detected an NV50 generation card
> (0x0a5e00a2)
> 
> Can you attach the output of lspci just to confirm/dismiss the above
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:01.0 PCI bridge: Intel Corporation Core Processor PCI Express x16 Root Port
(rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series
Chipset HECI Controller (rev 06)
00:16.3 Serial controller: Intel Corporation 5 Series/3400 Series Chipset KT
Controller (rev 06)
00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network
Connection (rev 06)
00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2
Enhanced Host Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High
Definition Audio (rev 06)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 1 (rev 06)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 2 (rev 06)
00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 4 (rev 06)
00:1c.4 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 5 (rev 06)
00:1c.6 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 7 (rev 06)
00:1c.7 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 8 (rev 06)
00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2
Enhanced Host Controller (rev 06)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface
Controller (rev 06)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port
SATA AHCI Controller (rev 06)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller
(rev 06)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series
Chipset Thermal Subsystem (rev 06)
01:00.0 VGA compatible controller: nVidia Corporation GT216 [Quadro FX 880M]
(rev a2)
01:00.1 Audio device: nVidia Corporation High Definition Audio Controller (rev
a1)
03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)
0d:00.0 SD Host controller: Ricoh Co Ltd Device e822 (rev 01)
0d:00.1 System peripheral: Ricoh Co Ltd Device e230 (rev 01)
0f:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev
03)
17:00.0 SD Host controller: Ricoh Co Ltd Device e822 (rev 01)
17:00.3 FireWire (IEEE 1394): Ricoh Co Ltd Device e832 (rev 01)
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture
Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture
System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
> You can try the following 
> 1. Append "video=LVDS-1:d" to your kernel command line to disable
the LVDS
Still nothing.
> 2. Choose a lower resolution for your DP monitor -
"video=DP-1:1024x768 at 60"
Still nothing.

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--- Comment #12 from Ben Skeggs <skeggsb at gmail.com> 2011-09-08 21:04:01
PDT ---
Where does your nouveau kernel module come from?  The code in nouveau kernel
git should support native DP outputs correctly now, if you're not already
using
that code, it's worth a try.

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--- Comment #13 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-09 04:07:17 PDT ---
(In reply to comment #12)
> Where does your nouveau kernel module come from?  The code in nouveau
kernel
> git should support native DP outputs correctly now, if you're not
already using
> that code, it's worth a try.
What do you mean by "git"? 3.1-rc5?

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--- Comment #14 from Ben Skeggs <skeggsb at gmail.com> 2011-09-09 05:01:42
PDT ---
No, not Linus' tree, Nouveau's - which is at
http://cgit.freedesktop.org/nouveau/linux-2.6

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Felipe Contreras <felipe.contreras at gmail.com> changed:

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

--- Comment #15 from Felipe Contreras <felipe.contreras at gmail.com>
2011-09-12 10:42:28 PDT ---
(In reply to comment #14)
> No, not Linus' tree, Nouveau's - which is at
> http://cgit.freedesktop.org/nouveau/linux-2.6
Indeed, I tested that code and it's working fine.

Now I wonder when it will be merged to Linux upstream... I guess 3.2, right?

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--- Comment #16 from Ben Skeggs <skeggsb at gmail.com> 2011-09-12 12:10:07
PDT ---
Yeah, it'll be merged for 3.2 - barring any show-stopping issues.

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