Nouveau - Feb 2015 - [Bug 89272] New: GM206 does not recognize attached hdmi monitor

https://bugs.freedesktop.org/show_bug.cgi?id=89272

            Bug ID: 89272
           Summary: GM206 does not recognize attached hdmi monitor
           Product: xorg
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: stefan at huehner.org
        QA Contact: xorg-team at lists.x.org

Created attachment 113732
  --> https://bugs.freedesktop.org/attachment.cgi?id=113732&action=edit
dmesg with nouveau.debug=debug drm.debug=0xe

Hi,
adding this patch on top of linux-3.19 or tip of
http://cgit.freedesktop.org/~darktama/nouveau

is enough to get a GM206 / GTX 960 to get 'modprove nouveau' to work and
getting output on a VGA monitor attached to the DVI-I port.

However trying the same with a HDMI monitor attached to the hdmi port does not
work.

Attached is dmesg output with extra debugging enabled + a 2nd file with debug
level=trace enabled.

I have also sent an mmiotrace of that hdmi use-case by mail.

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https://bugs.freedesktop.org/show_bug.cgi?id=89272

--- Comment #1 from Stefan Huehner <stefan at huehner.org> ---
Created attachment 113733
  --> https://bugs.freedesktop.org/attachment.cgi?id=113733&action=edit
dmesg with nouveau.debug=trace drm.debug=0xe

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https://bugs.freedesktop.org/show_bug.cgi?id=89272

--- Comment #2 from Stefan Huehner <stefan at huehner.org> ---
Reference to the patch mentioned in previous comment:

http://lists.freedesktop.org/archives/nouveau/2015-February/020131.html

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https://bugs.freedesktop.org/show_bug.cgi?id=89272

--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
One observation about the mmiotrace... grepping for PDISPLAY (and MARK), I see
the following sequence after the replug happens. I don't know of anything we
have any code to reproduce something like that. It also looks like the blob is
using PDAEMON to do a *lot* more stuff now...

[0] 215.511929 MMIO32 R 0x610024 0x00000070 PDISPLAY+0x24 => 0x70
[0] 215.511979 MMIO32 R 0x610020 0x00000000 PDISPLAY+0x20 => 0
[0] 215.512027 MMIO32 W 0x610020 0x0000001f PDISPLAY+0x20 <= 0x1f
[0] 215.512076 MMIO32 W 0x610024 0x10700f71 PDISPLAY+0x24 <= 0x10700f71
[0] 215.512418 MMIO32 R 0x61d380 0x00000000 PDISPLAY.SOR[0x2]+0x380 => 0
[0] 215.512466 MMIO32 W 0x61d380 0x00000000 PDISPLAY.SOR[0x2]+0x380 <= 0
[0] 215.512520 MMIO32 W 0x610020 0x00000000 PDISPLAY+0x20 <= 0
[0] 215.512568 MMIO32 W 0x610024 0x00000070 PDISPLAY+0x24 <= 0x70
[0] 215.521885 MMIO32 R 0x61d380 0x00000000 PDISPLAY.SOR[0x2]+0x380 => 0
[0] 215.521937 MMIO32 R 0x610024 0x00000070 PDISPLAY+0x24 => 0x70
[0] 215.521983 MMIO32 R 0x610020 0x00000000 PDISPLAY+0x20 => 0
[0] 215.522029 MMIO32 W 0x610020 0x0000001f PDISPLAY+0x20 <= 0x1f
[0] 215.522075 MMIO32 W 0x610024 0x10700f71 PDISPLAY+0x24 <= 0x10700f71
[0] 215.522395 MMIO32 R 0x61d380 0x00000000 PDISPLAY.SOR[0x2]+0x380 => 0
[0] 215.522440 MMIO32 W 0x61d380 0x00000001 PDISPLAY.SOR[0x2]+0x380 <= 0x1
[0] 215.522654 MMIO32 R 0x61d380 0x00000101 PDISPLAY.SOR[0x2]+0x380 => 0x101
[0] 215.522704 MMIO32 W 0x610020 0x00000000 PDISPLAY+0x20 <= 0
[0] 215.522750 MMIO32 W 0x610024 0x00000070 PDISPLAY+0x24 <= 0x70
[0] 215.522795 MMIO32 W 0x61d36c 0x2b94fae2 PDISPLAY.SOR[0x2]+0x36c
<0x2b94fae2
[0] 215.522842 MMIO32 R 0x61d368 0x00000034 PDISPLAY.SOR[0x2]+0x368 => 0x34
[0] 215.522887 MMIO32 W 0x61d368 0x00000034 PDISPLAY.SOR[0x2]+0x368 <= 0x34
[0] 215.522938 MMIO32 R 0x610024 0x00000070 PDISPLAY+0x24 => 0x70
[0] 215.522985 MMIO32 R 0x610020 0x00000000 PDISPLAY+0x20 => 0
[0] 215.523030 MMIO32 W 0x610020 0x0000001f PDISPLAY+0x20 <= 0x1f
[0] 215.523076 MMIO32 W 0x610024 0x10700f71 PDISPLAY+0x24 <= 0x10700f71
[0] 215.523395 MMIO32 R 0x61d380 0x00000301 PDISPLAY.SOR[0x2]+0x380 => 0x301
[0] 215.523440 MMIO32 W 0x61d380 0x00000300 PDISPLAY.SOR[0x2]+0x380 <= 0x300
[0] 215.523491 MMIO32 W 0x610020 0x00000000 PDISPLAY+0x20 <= 0
[0] 215.523536 MMIO32 W 0x610024 0x00000070 PDISPLAY+0x24 <= 0x70
[0] 215.523584 MMIO32 R 0x61d380 0x00000300 PDISPLAY.SOR[0x2]+0x380 => 0x300
[0] 215.523636 MMIO32 R 0x610024 0x00000070 PDISPLAY+0x24 => 0x70
[0] 215.523682 MMIO32 R 0x610020 0x00000000 PDISPLAY+0x20 => 0
[0] 215.523727 MMIO32 W 0x610020 0x0000001f PDISPLAY+0x20 <= 0x1f
[0] 215.523772 MMIO32 W 0x610024 0x10700f71 PDISPLAY+0x24 <= 0x10700f71
[0] 215.524092 MMIO32 R 0x61d380 0x00000300 PDISPLAY.SOR[0x2]+0x380 => 0x300
[0] 215.524138 MMIO32 W 0x61d380 0x00000301 PDISPLAY.SOR[0x2]+0x380 <= 0x301
[0] 215.524348 MMIO32 R 0x61d380 0x00000301 PDISPLAY.SOR[0x2]+0x380 => 0x301
[0] 215.524398 MMIO32 W 0x610020 0x00000000 PDISPLAY+0x20 <= 0
[0] 215.524444 MMIO32 W 0x610024 0x00000070 PDISPLAY+0x24 <= 0x70
[0] 215.524490 MMIO32 W 0x61d3c0 0x00000000 PDISPLAY.SOR[0x2]+0x3c0 <= 0
[0] 215.524536 MMIO32 R 0x61d3bc 0x00000000 PDISPLAY.SOR[0x2]+0x3bc => 0
[0] 215.524581 MMIO32 W 0x61d3bc 0x00000000 PDISPLAY.SOR[0x2]+0x3bc <= 0
[0] 215.524632 MMIO32 R 0x610024 0x00000070 PDISPLAY+0x24 => 0x70
[0] 215.524679 MMIO32 R 0x610020 0x00000000 PDISPLAY+0x20 => 0
[0] 215.524724 MMIO32 W 0x610020 0x0000001f PDISPLAY+0x20 <= 0x1f
[0] 215.524769 MMIO32 W 0x610024 0x10700f71 PDISPLAY+0x24 <= 0x10700f71
[0] 215.525089 MMIO32 R 0x61d380 0x00000301 PDISPLAY.SOR[0x2]+0x380 => 0x301
[0] 215.525134 MMIO32 W 0x61d380 0x00000300 PDISPLAY.SOR[0x2]+0x380 <= 0x300
[0] 215.525185 MMIO32 W 0x610020 0x00000000 PDISPLAY+0x20 <= 0
[0] 215.525230 MMIO32 W 0x610024 0x00000070 PDISPLAY+0x24 <= 0x70
[0] 215.525278 MMIO32 R 0x61d368 0x00000034 PDISPLAY.SOR[0x2]+0x368 => 0x34
[0] 215.525323 MMIO32 W 0x61d368 0x00000034 PDISPLAY.SOR[0x2]+0x368 <= 0x34
[0] 215.527945 MMIO32 R 0x619498 0x00008000 PDISPLAY.VGA.CR+0x98 => 0x8000

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https://bugs.freedesktop.org/show_bug.cgi?id=89272

--- Comment #4 from Stefan Huehner <stefan at huehner.org> ---
This patch just sent to the list fixes that for me:
http://lists.freedesktop.org/archives/nouveau/2015-February/020143.html

With that attached HDMI monitor is detected as connected and lights up.

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Stefan Huehner <stefan at huehner.org> changed:

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

--- Comment #5 from Stefan Huehner <stefan at huehner.org> ---
That bug was fixed in 4.0

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