[Bug 98512] radeon r600 vdpau: Invalid command stream: texture bo too small

[Bug 98512] radeon r600 vdpau: Invalid command stream: texture bo too small

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https://bugs.freedesktop.org/show_bug.cgi?id=98512

            Bug ID: 98512
           Summary: radeon r600 vdpau: Invalid command stream: texture bo
                    too small
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: james.campbell@yahoo.com
        QA Contact: dri-devel@lists.freedesktop.org

Mesa Git Master
Arch Linux
AMD A8-6600K APU

When playing an h264 video using mpv with vdpau hardware decoding over opengl,
the video is corrupted and the following error appears in dmesg:

[ 8936.496231] radeon 0000:00:01.0: evergreen_cs_track_validate_texture:854
texture bo too small (layer size 225280, offset 1126400, max layer 2, depth 1,
bo size 1351680) (640 176)
[ 8936.496257] [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !

If I downgrade mesa to 12.0.3, playback works ok.

Other mpv users have reported the same issue:
https://github.com/mpv-player/mpv/issues/3714

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[Bug 98512] radeon r600 vdpau: Invalid command stream: texture bo too small

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https://bugs.freedesktop.org/show_bug.cgi?id=98512

--- Comment #1 from Christian König <deathsimple@vodafone.de> ---
Clearly a bug in the part of the stack which uses the 3D engine for scaling and
color space conversion.

Can you try to bisect? If you don't know how feel free to contact me by mail on
christian.koenig@amd.com.

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[Bug 98512] radeon r600 vdpau: Invalid command stream: texture bo too small

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https://bugs.freedesktop.org/show_bug.cgi?id=98512

--- Comment #2 from jcamp <james.campbell@yahoo.com> ---

I'm a newbie at this, so I posted to the mpv bug tracker if anyone there can
bisect (https://github.com/mpv-player/mpv/issues/3714).

If no one volunteers soon, then I'll give it a try.

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[Bug 98512] radeon r600 vdpau: Invalid command stream: texture bo too small

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https://bugs.freedesktop.org/show_bug.cgi?id=98512

--- Comment #3 from jcamp <james.campbell@yahoo.com> ---
I followed the Arch Linux wiki on how to git bisect, and here's the result:


e5cc84dd43be066c1dd418e32f5ad258e31a150a is the first bad commit
commit e5cc84dd43be066c1dd418e32f5ad258e31a150a
Author: Brian Paul <brianp@vmware.com>
Date:   Fri Sep 30 16:41:46 2016 -0600

    st/mesa: optimize pipe_sampler_view validation

    Before, st_get_texture_sampler_view_from_stobj() did a lot of work to
    check if the texture parameters matched the sampler view (format,
    swizzle, min/max lod, first/last layer, etc).  We did this every time
    we validated the texture state.

    Now, we use a ctx->Driver.TexParameter() callback and a couple other
    checks to proactively release texture views when we know that
    view-related parameters have changed.  Then, the validation step is
    simplified:
    - Search the texture's list of sampler views (just match the context).
    - If found, we're done.
    - Else, create a new sampler view.

    There will never be old, out-of-date sampler views attached to texture
    objects that we have to test.

    Most apps create textures and set the texture parameters once.  This
    make sampler view validation much cheaper for that case.

    Note that the old texture/sampler comparison code has been converted
    into a set of assertions to verify that the sampler view is in fact
    consistent with the texture parameters.  This should help to spot any
    potential regressions.

    Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
    Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
    Reviewed-by: Marek Olšák <marek.olsak@amd.com>

:040000 040000 33fe9075f262c8bed745dd732cf2047238698d56
194fe6083d5e3155de216a0990d7babb5c49ee8b M      src

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[Bug 98512] radeon r600 vdpau: Invalid command stream: texture bo too small

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https://bugs.freedesktop.org/show_bug.cgi?id=98512

Christian König <deathsimple@vodafone.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
                   |.org                        |org
                 CC|                            |brianp@vmware.com,
                   |                            |maraeo@gmail.com,
                   |                            |nhaehnle@gmail.com
         QA Contact|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
                   |.org                        |org
          Component|Drivers/Gallium/r600        |Mesa core

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