Nouveau - Jan 2014 - [Bug 73342] New: nouveau not working with yuy2 overlay

https://bugs.freedesktop.org/show_bug.cgi?id=73342

          Priority: medium
            Bug ID: 73342
          Assignee: nouveau at lists.freedesktop.org
           Summary: nouveau not working with yuy2 overlay
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: fbs777 at gmail.com
          Hardware: x86 (IA32)
            Status: NEW
           Version: 7.7 (2011)
         Component: Driver/nouveau
           Product: xorg

For many years im using ubuntu (since nouveau becomes the default nvidia
driver) and never have problem with the yuy2 scalemode mame option, so i think
there's a regression with nouveau version in ubuntu 13.10.

I cant get video when open mame with "-video soft -sm yuy2" options
using the
nouveau driver. The game runs with sound, but in full black screen.
Using "-video soft -sm none" the game runs with video, the problem is
with yuy2
scalemode.

Tested with Ubuntu 13.10 (kernels 3.11 and 3.12 from ubuntu repos.), mame .151
and .152, nouveau driver.

To reproduce (dont need any rom): execute the mame (mamedev.org) with the
command line "./mame -video soft -sm yuy2" and mame will open totally
in black
screen. With the command "./mame -video soft -sm none" will open
normally (in
this case with a red bar warning about no roms).

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--- Comment #1 from fbs777 at gmail.com ---
Created attachment 91573
  --> https://bugs.freedesktop.org/attachment.cgi?id=91573&action=edit
kernel_log.txt, Xorg.0.log, lsmod.txt

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau not working with    |[NV86] yuy2 overlay in mame
                   |yuy2 overlay                |displays as black

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--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Well, something weird is definitely going on. I'm on a NV98 (which should be
quite similar to your NV86 in that regard), Xorg 1.4.13, xf86-video-nouveau
1.0.10, and ~3.13-rc7+ as far as the nouveau drm is concerned. Running

sdlmame -video soft -sm yuy2

shows the screen just fine. (games-emulation/sdlmame-0.148_p1-r1 from gentoo
repo). I also grabbed the mame source from mamedev.org and built it, the
resulting mame64 binary gave me similarly working results.

Do you know what mame does with the yuy2 thing? Is it trying to create an
xvideo overlay? Something else?

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--- Comment #3 from fbs777 at gmail.com ---
Well, after some tests, some news.

What works (all 32 bits): 

 - hardware 1: Ubuntu 11.10 with nouveau (from ubuntu 11.10 repository) and
geforce 8500GT Chipset: G86 (NV86) , Family : NV50

 - hardware 1: Ubuntu 13.04 with nouveau (from ubuntu 13.04 repository) and
geforce 8500GT Chipset: G86 (NV86) , Family : NV50

 - hardware 2: Ubuntu 13.10 with i915 driver (netbook with onboard intel video)

 - hardware 3: Ubuntu 13.10 with nouveau (from ubuntu 13.10 repository) and
onboard geforce 6150SE nforce nv430 Chipset: C61 (NV4C) , Family : NV40


What dont works (32 bits):

 - hardware 1: Ubuntu 13.10 with nouveau (from ubuntu 13.10 repository) and
geforce 8500GT Chipset: G86 (NV86) , Family : NV50


So, the same hardware 1 works with ubuntu 13.04 + nouveau and old versions, but
dont work with ubuntu 13.10 + nouveau. And the hardware 3 works with the same
hd with ubuntu 13.10 + nouveau that dont work on hardware 1.

The only combination that dont work is the ubuntu 13.10 + nouveau with geforce
8500GT Chipset: G86 (NV86) , Family : NV50

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--- Comment #4 from fbs777 at gmail.com ---
>  - hardware 1: Ubuntu 13.04 with nouveau (from ubuntu 13.04 repository) and
> geforce 8500GT Chipset: G86 (NV86) , Family : NV50
Sorry, this is wrong, actually the ubuntu 13.04 (and only the 13.04) is using
the nvidia proprietary driver, not the nouveau.

One more test that works:

 - hardware 1: Ubuntu 13.10 with nouveau (from ubuntu 13.10 repository) and 
offboard geforce 7200GS Chipset: G72 (NV46) , Family : NV40

The problem is only with geforce 8500GT Chipset: G86 (NV86) , Family : NV50
And this same board works fine in ubuntu 11.10 with kernel 3.0 and nouveau from
11.10 repos.

So there's some regression between kernel 3.0 and 3.11 (tested w/ 3.12 too)
and/or nouveau versions between ubuntu 11.10 and ubuntu 13.10 with this
specific geforce 8500GT Chipset: G86 (NV86) , Family : NV50 when try to work
the YUV overlay scaling in mame

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--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Do you still see this with a recent software stack?

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Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #6 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
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https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/85.

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