[Bug 78327] New: [SNB]Subcases minor-interruptible and minor-normal of igt/gem_evict_alignment costs long time to execute

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78327

          Priority: medium
            Bug ID: 78327
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [SNB]Subcases minor-interruptible and minor-normal of
                    igt/gem_evict_alignment costs long time to execute
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 98543
  --> https://bugs.freedesktop.org/attachment.cgi?id=98543&action=edit
dmesg

*System Environment:
--------------------------
Regression: No. These cases always timeout 

Non-working platforms: SNB

 *kernel: 
--------------------------
-nightly: 08ce6614d07dd1e426109672a5e323317c8d6ec7 (fails)
-queued: e5c03ca362819ba8ffbe5674340b61b9cd75de8f (fails)
    Author: Daniel Vetter <daniel.vetter at ffwll.ch>
    Date:   Thu Apr 24 23:54:45 2014 +0200

    drm/i915/sdvo: Remove ->mode_set callback

    SDVO is used by both crtcs using the i9xx_ and the ironlake_
    functions. For both cases there is nothing between the
    encoder->mode_set and the encoder->pre_enable calls that touches the
    hardware.

    The vlv_ functions are different since they enable the pll before the
    ->pre_enable hook. But SDVO isn't supported on vlv platforms, so this
    doesn't matter.

    We've also already clean up all the sdvo state computation logic, all
    relevant parts are already in the ->compute_config hook.  So we can
    just get rid of the ->mode_set hook by converting it to a ->pre_enable
    hook.

    Reviewed-by: Imre Deak <imre.deak at intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

-fixes: 9bbfd20abe5025adbb0ac75160bd2e41158a9e83 (fails)
    Author: Paulo Zanoni <paulo.r.zanoni at intel.com>
    Date:   Tue Apr 29 11:00:22 2014 -0300

    drm/i915: don't try DP_LINK_BW_5_4 on HSW ULX

    Because the docs say ULX doesn't support it on HSW.

    Reviewed-by: Dave Airlie <airlied at redhat.com>
    Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
    Signed-off-by: Jani Nikula <jani.nikula at intel.com>

 *Bug detailed description:
-----------------------------
Subcases minor-interruptible and minor-normal of igt/gem_evict_alignment costs
long time to execute, the test still didn't finish after 38 minutes

Output:
date;./gem_evict_alignment --run-subtest minor-normal;date
Tue May  6 14:48:34 CST 2014
IGT-Version: 1.6-gc864279 (i686) (Linux:
3.15.0-rc3_drm-intel-nightly_5e83a7_20140506+ i686)
^C
[root at x-sgb4 tests]# date
Tue May  6 15:14:12 CST 2014

 *Reproduce steps:
---------------------------- 
1. ./gem_evict_alignment --run-subtest minor-normal

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