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<body><span class="vcard"><a class="email" href="mailto:yex.tian@intel.com" title="ye.tian <yex.tian@intel.com>"> <span class="fn">ye.tian</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [ All bisected] igt/kms_fbc_crc cases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89833">bug 89833</a>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [ All bisected] igt/kms_fbc_crc cases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89833#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [ All bisected] igt/kms_fbc_crc cases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89833">bug 89833</a>
from <span class="vcard"><a class="email" href="mailto:yex.tian@intel.com" title="ye.tian <yex.tian@intel.com>"> <span class="fn">ye.tian</span></a>
</span></b>
<pre>(In reply to Thomas Wood from <a href="show_bug.cgi?id=89833#c2">comment #2</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=114826" name="attach_114826" title="tests/kms_fbc_crc: fix fread() return value assertion">attachment 114826</a> <a href="attachment.cgi?id=114826&action=edit" title="tests/kms_fbc_crc: fix fread() return value assertion">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=89833&attachment=114826'>[review]</a> [review]
> tests/kms_fbc_crc: fix fread() return value assertion
>
> Please test that the attached patch fixes the issue with kms_fbc_crc.</span >
Tested it on igt(e8457ed) with this patch on BDW and IVB,this issue still
exists.
output:
--------------
root@x-bdw01:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_fbc_crc
IGT-Version: 1.10-g4f2d6f7 (x86_64) (Linux:
4.0.0-rc6_drm-intel-nightly_333cf6_20150403+ x86_64)
Test requirement not met in function __real_main493, file kms_fbc_crc.c:519:
Test requirement: !strstr(buf, "unsupported by this chipset") && !strstr(buf,
"disabled per module param") && !strstr(buf, "disabled per chip default")
FBC not supported/enabled
Subtest page_flip: SKIP
Subtest mmap_cpu: SKIP
Subtest mmap_gtt: SKIP
Subtest blt: SKIP
Subtest render: SKIP
Subtest context: SKIP
Subtest page_flip_and_mmap_cpu: SKIP
Subtest page_flip_and_mmap_gtt: SKIP
Subtest page_flip_and_blt: SKIP
Subtest page_flip_and_render: SKIP
Subtest page_flip_and_context: SKIP
<span class="quote">> The issue with kms_vblank should be fixed by the following commit:
>
> commit 590e47c94fd81a182e24b41a715d84491df8cea8
> Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Date: Thu Apr 2 11:37:23 2015 +0100
>
> igt/kms_vblank: Include a test for comparing blocking drmWaitVblank</span >
Tested it on igt (e8457edb) and the latest nightly kernel, kms_vblank case is
good.</pre>
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