[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101561

            Bug ID: 101561
           Summary: [bisected] [llvm] Blue color shift on videos in MPV
                    when using vo=opengl[-hq]
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: commendsarnex@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Hi all,

After LLVM commit e88fc4046f70131e67411cee503201e3e9665891  [AMDGPU] SDWA: add
support for GFX9 in peephole pass, MPV videos have their colors shifted
significantly into the blue range. It is resolved with the commit directly
before the above. I am using an RX 480 on kernel 4.11.6, mesa git, xserver git,
and llvm git. Using other mpv outputs, such as vo=vaapi,vdpau,x11 or xv all
have normal video.

Let me know if you need any more information.

Thanks,
Sarnex

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[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101561

--- Comment #1 from Nick Sarnie <commendsarnex@gmail.com> ---
Created attachment 132151
  --> https://bugs.freedesktop.org/attachment.cgi?id=132151&action=edit
good R600_DEBUG=fs,vs,gs,ps,cs

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[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101561

--- Comment #2 from Nick Sarnie <commendsarnex@gmail.com> ---
Created attachment 132152
  --> https://bugs.freedesktop.org/attachment.cgi?id=132152&action=edit
bad R600_DEBUG=fs,vs,gs,ps,cs

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[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101561

--- Comment #3 from Nick Sarnie <commendsarnex@gmail.com> ---
As a final piece of information, if I compile LLVM with asserts enabled, I get
the following assert

mpv:
/var/tmp/portage/sys-devel/llvm-9999/work/llvm-9999/lib/Target/AMDGPU/SIPeepholeSDWA.cpp:719:
bool {anonymous}::SIPeepholeSDWA::convertToSDWA(llvm::MachineInstr&, const
SDWAOperandsVector&): Assertion `AMDGPU::getNamedOperandIdx(SDWAOpcode,
AMDGPU::OpName::omod) != -1' failed.


Thanks,
Sarnex

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[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101561

--- Comment #4 from Andy Furniss <adf.lists@gmail.com> ---
Yea, this commit also breaks (asserts) Unigine Valley on R9 285.

I'll open a bug on llvm tracker and link back to this one.

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[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101561

--- Comment #5 from Andy Furniss <adf.lists@gmail.com> ---
(In reply to Andy Furniss from comment #4)
> Yea, this commit also breaks (asserts) Unigine Valley on R9 285.
> 
> I'll open a bug on llvm tracker and link back to this one.

https://bugs.llvm.org/show_bug.cgi?id=33566

Though I couldn't add the author to CC :-(

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[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101561

--- Comment #6 from Andy Furniss <adf.lists@gmail.com> ---
(In reply to Andy Furniss from comment #5)

> Though I couldn't add the author to CC :-(

Oops ignore that bit - the author is addable, I was trying to add the llvm
username which is different.

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[Bug 101561] [bisected] [llvm] Blue color shift on videos in MPV when using vo=opengl[-hq]

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=101561

Nick Sarnie <commendsarnex@gmail.com> changed:

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

--- Comment #7 from Nick Sarnie <commendsarnex@gmail.com> ---
Fixed by
https://github.com/llvm-mirror/llvm/commit/06ed4a14fdcacacc12b31f6316efaab5620ffe85

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