[Bug 96782] [regression bisected] R600 fp64 and glsl-4.00 piglit failures

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96782

            Bug ID: 96782
           Summary: [regression bisected] R600 fp64 and glsl-4.00 piglit
                    failures
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: lothmordor at gmail.com
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 124859
  --> https://bugs.freedesktop.org/attachment.cgi?id=124859&action=edit
piglit comparison summary

Hello,
 I'm seeing quite a few new piglit failures on my CYPRESS card.  Git bisect
points to the following commit:

54c4d525da7c7fc1e103d7a3e6db015abb132d5d is the first bad commit
commit 54c4d525da7c7fc1e103d7a3e6db015abb132d5d
Author: Jan Vesely <jan.vesely at rutgers.edu>
Date:   Wed Jun 15 19:41:22 2016 -0400

    r600g: Enable FMA on chips that support it

    v2: Merge with PIPE_SHADER_CAP_DOUBLES
        Add CHIP_HEMLOCK

    v3: only set the instruction on EG and CM

    Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
    Signed-off-by: Marek Olšák <marek.olsak at amd.com>

:040000 040000 479cd6da9b2956ead3c0b93c636ad2f8e40f35b7
a7d3e81021b34ac3436e290b33635e5ab38ab73f M      src


Here's a "./piglit run quick" showing last good and first bad commits:

summary:
       name: mesa-cbb5adb mesa-54c4d52
       ----  ------------ ------------
       pass:        44981        44015
       fail:          963         1930
      crash:            5            5
       skip:        14356        14356
    timeout:            0            0
       warn:            4            3
 incomplete:            0            0
 dmesg-warn:            0            0
 dmesg-fail:            0            0
    changes:            0          970
      fixes:            0            2
regressions:            0          968
      total:        60309        60309

Roughly half of the new failures are in arb_gpu_shader_fp64 (including all 37
tests in the uniform_buffers subcategory), while the other half are in
glsl-4.00/execution/built-in-functions. Output from "./piglit summary console"
included in the compressed attachment.

I'm glad to see these older cards are still getting attention.  I'd be happy to
test any patches.  Thanks,
  James Harvey


Software versions:
    Linux 4.7.0-rc5 x86_64
    OpenGL version string: 3.0 Mesa 12.1.0-devel (git-3fea592)

GPU hardware:
    OpenGL renderer string: Gallium 0.4 on AMD CYPRESS (DRM 2.45.0 / 4.7.0-rc5)
    01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, 
Inc. [AMD/ATI] Cypress PRO [Radeon HD 5850] [1002:6899]

CPU hardware:
    AMD Phenom(tm) II X4 955 Processor

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