Nouveau - Oct 2007 - [Bug 12825] New: TvTime shows only the upper left corner (~ 1280x1024) in Randr1.2

http://bugs.freedesktop.org/show_bug.cgi?id=12825

           Summary: TvTime shows only the upper left corner (~ 1280x1024) in
                    Randr1.2
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: david.hernando.m at gmail.com
         QAContact: xorg-team at lists.x.org


At higher resolutions greater than 1280x1024 TvTime only shows the top left, it
seems to 1280x1024, the rest is blue. If I see Tvtime in small window in the
upper left is well, if I put the window in the lower right corner is all blue.

The gdm starts with a resolution of 1280x1024, with nv boots to the maximum
resolution of monitor, 2048x1536.

The screen displayed a line of vertical pixel roses on the right side and a
more thin at the bottom.

Tvtime does not show any error.


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------- Comment #1 from david.hernando.m at gmail.com  2007-10-16 07:01 PST
-------
Created an attachment (id=12070)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12070&action=view)
log tvtime -v


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------- Comment #2 from david.hernando.m at gmail.com  2007-10-16 07:04 PST
-------
Created an attachment (id=12071)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12071&action=view)
log Xorg


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------- Comment #3 from david.hernando.m at gmail.com  2007-10-16 07:06 PST
-------
Created an attachment (id=12072)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12072&action=view)
dmesg


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------- Comment #4 from david.hernando.m at gmail.com  2007-10-16 07:09 PST
-------
Created an attachment (id=12073)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12073&action=view)
xorg.conf


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Maarten Maathuis <madman2003 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |madman2003 at gmail.com




--- Comment #5 from Maarten Maathuis <madman2003 at gmail.com>  2008-01-17
06:12:19 PST ---
Is this still an issue?


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--- Comment #6 from David <david.hernando.m at gmail.com>  2008-01-19
13:09:13 PST ---
Created an attachment (id=13801)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13801)
log xorg


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--- Comment #7 from David <david.hernando.m at gmail.com>  2008-01-19
13:11:12 PST ---
Tvtime has not changed.
The pink lines has disappeared.


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--- Comment #8 from Maarten Maathuis <madman2003 at gmail.com>  2008-01-19
13:34:49 PST ---
Does this happen with mplayer also?


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--- Comment #9 from David <david.hernando.m at gmail.com>  2008-01-19
13:53:08 PST ---
This also does happen with mplayer, output xv.


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--- Comment #10 from Maarten Maathuis <madman2003 at gmail.com> 
2008-02-01 11:42:16 PST ---
I think something related got fixed, is this still an issue?


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--- Comment #11 from David <david.hernando.m at gmail.com>  2008-02-03
10:34:10 PST ---
Still the same thing happening with tvtime and mplayer.
Also still booting gdm to 1280x1024 Is this normal?


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--- Comment #12 from David <david.hernando.m at gmail.com>  2008-02-03
10:35:08 PST ---
Created an attachment (id=14124)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14124)
xorg log


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--- Comment #13 from Maarten Maathuis <madman2003 at gmail.com> 
2008-02-03 10:43:40 PST ---
It's not the driver's choice what resolution to run, gdm has been known
to
prefer different resolutions, don't ask me why.

You are able to increase to maximum resolution?


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--- Comment #14 from Maarten Maathuis <madman2003 at gmail.com> 
2008-02-03 10:49:28 PST ---
Does the blitter adapter work? (check xvinfo for the adapter number)

Does this also occur without randr12 enabled?


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--- Comment #15 from David <david.hernando.m at gmail.com>  2008-02-03
12:04:11 PST ---
I can put maximum resolution of 2048x1536 with and without RandR12.

I made the following testing with "mplayer -vo xv:port=XXX"

"NV Video Overlay" without RandR12 OK
"NV Video Blitter" without RandR12 OK
"NV Video Overlay" RandR12 only upper left corner.
"NV Video Blitter" RandR12 OK

Xvinfo with and without RandR12 only change port 105,106 to 134,135.


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Maarten Maathuis <madman2003 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |14405




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--- Comment #16 from Stuart Bennett <sb476 at cam.ac.uk>  2008-03-15
13:15:18 PST ---
If you remove the TV capture card from the computer does it work?


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--- Comment #17 from David <david.hernando.m at gmail.com>  2008-03-16
08:37:31 PST ---
I removed the TV card from the computer and continues as before. 


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--- Comment #18 from Stuart Bennett <sb476 at cam.ac.uk>  2008-03-16
12:08:05 PST ---
I've tracked this down, and found two(ish) fixes.

The problem is that currently the video overlay gets clipped to the screen
viewport in xf86XVClipVideoHelper(), the viewport having been determined (as
"clipBoxes" in DDX parlance) by xf86XVPutStill in the xserver before
calling
back into NVPutImage and then NV_set_dimensions where xf86XVClipVideoHelper is
called. This would all be fine except that xf86XVPutStill uses pScrn->frameX1
and pScrn->frameY1 which are wrong (they don't map well to the randr12
world-view). I'd argue therefore for this being an xserver issue.

Unfortunately fixes to the xserver take time, so a driver work-around is
required:
1a) do something like
pScrn->frameX1 = xf86_config->crtc[pPriv->overlayCRTC]->x +
xf86_config->crtc[pPriv->overlayCRTC]->mode.HDisplay - 1;
(and similarly for frameY1) when the overlay CRTC is known, to provide a
sensible value for clipping
1b) do something like pScrn->frameX1 = pScrn->virtualX - 1; (and similarly
for
frameY1)  to provide a sensible (if large) value for clipping
2) remove the flag VIDEO_CLIP_TO_VIEWPORT from nv_video.c to remove the
clipping altogether. Depending how the rest of the code works, this could be a
bad move due to excessive bandwidth usage and very-very-large frames being
larger than the overlay can handle

(an xserver bug ought to be filed once a suitable resolution is found)


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--- Comment #19 from Stuart Bennett <sb476 at cam.ac.uk>  2008-04-28
09:12:20 PST ---
Created an attachment (id=16218)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=16218)
A possible fix

This replaces the clipping done in the xserver by doing it in the driver.
Obviously, dropping VIDEO_CLIP_TO_VIEWPORT altogether (it's already not used
in
the blitter or texture adapters) would be even simpler...


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--- Comment #20 from David <david.hernando.m at gmail.com>  2008-04-28
10:10:41 PST ---
The patch works correctly in my case.

I have other problems that I have to see if they are reported or not yet, but I
have noticed that are not caused by this patch.

Thank you.


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Stuart Bennett <sb476 at cam.ac.uk> changed:

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




--- Comment #21 from Stuart Bennett <sb476 at cam.ac.uk>  2008-04-29
17:12:46 PST ---
Patch applied


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