[Bug 65611] New: UVD accelerated decoding causes hangs (ARUBA - HD 7540D)

[Bug 65611] New: UVD accelerated decoding causes hangs (ARUBA - HD 7540D)

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https://bugs.freedesktop.org/show_bug.cgi?id=65611

          Priority: medium
            Bug ID: 65611
          Assignee: dri-devel@lists.freedesktop.org
           Summary: UVD accelerated decoding causes hangs (ARUBA - HD
                    7540D)
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: otaznik@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 80626
  --> https://bugs.freedesktop.org/attachment.cgi?id=80626&action=edit
relevant dmesg output

New UVD VDPAU decoding of VC-1 and MPEG-2 causes some kind of corruption and
ultimately hang of driver and whole system on the next try (cursor can be
moving for some time, even SysRq can work a few seconds after X totally hangs
but then only power off works).

Few notes (using mplayer):
ffmpeg12vdpau:
MPEG1 causes no harm, only decoding is really bad (software decoding works)
MPEG2 seems to cause really bad corruption

ffvc1vdpau:
VC-1 seems to cause problems (like attached dmesg) but not hangs.  There have
been decoding artifacts too, but it is not the rule.

divx and h264 seems to work flawless, unless previous corruption happened.

Hardware is ARUBA - A6-5400K Black Edition APU (Radeon HD 7540D).  Since this
particular hardware seems to be problematic (#65254 #60389) it might be unique
to this APU.

Test files:
VC1 http://samples.mplayerhq.hu/V-codecs/WVC1/Test_1440x576_WVC1_6Mbps.wmv
MPEG2 http://samples.mplayerhq.hu/MPEG2/vid_0x80.ts
MPEG1 http://samples.mplayerhq.hu/MPEG1/

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[Bug 65611] UVD accelerated decoding causes hangs (ARUBA - HD 7540D)

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https://bugs.freedesktop.org/show_bug.cgi?id=65611

Christian König <deathsimple@vodafone.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pierre-bugzilla@ossman.eu

--- Comment #1 from Christian König <deathsimple@vodafone.de> ---
*** Bug 69889 has been marked as a duplicate of this bug. ***

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[Bug 65611] UVD accelerated decoding causes hangs (ARUBA - HD 7540D)

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https://bugs.freedesktop.org/show_bug.cgi?id=65611

--- Comment #2 from Pierre Ossman <pierre-bugzilla@ossman.eu> ---
(In reply to bug 65611 comment #1)
> Well known problem, only VC-1 advanced profile (as found on Blueray disks)
> is supported by the hardware.

If that is the case, wouldn't it be an obvious first fix to remove simple and
main from the driver's list of supported codecs?

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[Bug 65611] UVD accelerated decoding causes hangs (ARUBA - HD 7540D)

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https://bugs.freedesktop.org/show_bug.cgi?id=65611

--- Comment #3 from Pierre Ossman <pierre-bugzilla@ossman.eu> ---
I tried this patch:

diff -up ./src/gallium/drivers/radeon/radeon_uvd.c.vc1
./src/gallium/drivers/radeon/radeon_uvd.c
--- ./src/gallium/drivers/radeon/radeon_uvd.c.vc1    2013-09-27
23:10:44.292867514 +0200
+++ ./src/gallium/drivers/radeon/radeon_uvd.c    2013-09-27 23:14:45.384398128
+0200
@@ -1094,8 +1094,12 @@ int ruvd_get_video_param(struct pipe_scr
         case PIPE_VIDEO_CODEC_MPEG12:
         case PIPE_VIDEO_CODEC_MPEG4:
         case PIPE_VIDEO_CODEC_MPEG4_AVC:
-        case PIPE_VIDEO_CODEC_VC1:
             return true;
+        case PIPE_VIDEO_CODEC_VC1:
+            /* Only advanced is supported */
+            if (profile == PIPE_VIDEO_PROFILE_VC1_ADVANCED)
+                return true;
+            /* fall through... */
         default:
             return false;
         }

Yet my WMV3 file is still going through VDPAU. So either my file is advanced
profile and that is broken, or xbmc not fully respecting the list?

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[Bug 65611] UVD accelerated decoding causes hangs (ARUBA - HD 7540D)

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https://bugs.freedesktop.org/show_bug.cgi?id=65611

--- Comment #4 from Pierre Ossman <pierre-bugzilla@ossman.eu> ---
(In reply to comment #3)
> 
> Yet my WMV3 file is still going through VDPAU. So either my file is advanced
> profile and that is broken, or xbmc not fully respecting the list?

Turned out that the UVD symbols get duplicated both into the VDPAU driver and
the DRI driver. So you have to replace both to get your changes to go through.

Still didn't work properly though as XBMC seems to not bother asking the driver
what it can do and just blindly assumes that every format is available...

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[Bug 65611] UVD accelerated decoding causes hangs (ARUBA - HD 7540D)

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https://bugs.freedesktop.org/show_bug.cgi?id=65611

--- Comment #5 from Christian König <deathsimple@vodafone.de> ---
(In reply to comment #4)
> Still didn't work properly though as XBMC seems to not bother asking the
> driver what it can do and just blindly assumes that every format is
> available...

Which is pretty much the reason why I haven't fixed it so far, you also need to
fix the applications as well. MPEG1 isn't supported either, but pretty much
every application is ignoring the decoder capabilities.

Anyway if you want to write a patch to start fixing those issues feel free to
do so, any help is always welcome.

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[Bug 65611] UVD accelerated decoding causes hangs (ARUBA - HD 7540D)

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https://bugs.freedesktop.org/show_bug.cgi?id=65611

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #6 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- 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
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/442.

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