[Bug 82709] New: OpenCL not working on radeon hainan

[Bug 82709] New: OpenCL not working on radeon hainan

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https://bugs.freedesktop.org/show_bug.cgi?id=82709

          Priority: medium
            Bug ID: 82709
          Assignee: dri-devel@lists.freedesktop.org
           Summary: OpenCL not working on radeon hainan
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: pali.rohar@gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

OpenCL not working on Radeon HD 8690M card which has Hainan chip.

example hello world application shows this error log:

Build Log:
error: unknown target CPU 'hainan'

haagch on #dri-devel suggested me to:
$ sudo sed -i "s/tahiti/hainan/" /usr/lib/libMesaOpenCL.so

and after this "fix" I got:

Build Log:
fatal error: cannot open file '/usr/lib/clc/hainan-r600--.bc': No such file or
directory

After that he suggested me to renaming tahiti-r600--.bc to hainan-r600--.bc
which fixed that problem and OpenCL started working.

So problem is probably in clang and libclc -- that there is missing hainan name
in cpu table.

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[Bug 82709] OpenCL not working on radeon hainan

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https://bugs.freedesktop.org/show_bug.cgi?id=82709

--- Comment #1 from Tom Stellard <tstellar@gmail.com> ---
Created attachment 104915
  --> https://bugs.freedesktop.org/attachment.cgi?id=104915&action=edit
Work around for missing Hainan in clang

Does it work with this Mesa patch?

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[Bug 82709] OpenCL not working on radeon hainan

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https://bugs.freedesktop.org/show_bug.cgi?id=82709

--- Comment #2 from Ilia Mirkin <imirkin@alum.mit.edu> ---
(In reply to comment #1)
> Created attachment 104915 [details] [review]
> Work around for missing Hainan in clang
> 
> Does it work with this Mesa patch?

missing break...

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[Bug 82709] OpenCL not working on radeon hainan

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https://bugs.freedesktop.org/show_bug.cgi?id=82709

Pali Rohár <pali.rohar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pali.rohar@gmail.com

--- Comment #3 from Pali Rohár <pali.rohar@gmail.com> ---
I added missing break after both gpu = lines, recompiled mesa with that patch
and opencl examples started working without above sed and symlink hacks.

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[Bug 82709] OpenCL not working on radeon hainan

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https://bugs.freedesktop.org/show_bug.cgi?id=82709

Tom Stellard <tstellar@gmail.com> changed:

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

--- Comment #4 from Tom Stellard <tstellar@gmail.com> ---
Fixed in git commit 8109664dedee588dc98c9a7c25bd40c0eb56c35f

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[Bug 82709] OpenCL not working on radeon hainan

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https://bugs.freedesktop.org/show_bug.cgi?id=82709

--- Comment #5 from Pali Rohár <pali.rohar@gmail.com> ---
@Tom Stellard: Are you going to fix this problem in llvm/clang/libclc?

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[Bug 82709] OpenCL not working on radeon hainan

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https://bugs.freedesktop.org/show_bug.cgi?id=82709

--- Comment #6 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #5)
> @Tom Stellard: Are you going to fix this problem in llvm/clang/libclc?

IIRC, it's already working with newer versions of clang.

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[Bug 82709] OpenCL not working on radeon hainan

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https://bugs.freedesktop.org/show_bug.cgi?id=82709

--- Comment #7 from Tom Stellard <tstellar@gmail.com> ---
(In reply to comment #5)
> @Tom Stellard: Are you going to fix this problem in llvm/clang/libclc?

Yes, it's fixed in llvm/clang 3.6 and I'll try to backport the patch for
llvm/clang 3.5.1.

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