[Bug 81200] [BYT Bisected]igt/pm_rpm/debugfs-forcewake-user causes system hang
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Aug 14 22:39:40 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=81200
--- Comment #5 from yaoming <ming.yao at intel.com> ---
(In reply to comment #4)
> commit f68d697eaf3278200a7fc3c8b1d95d72837b84d8
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date: Mon Aug 4 07:15:09 2014 +0100
>
> drm/i915: only hook up hpd pulse for DP outputs
It also causes system hang.
[root at x-byt01 ~]# cd /GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests
[root at x-byt01 tests]# ./pm_rpm --run-subtest debugfs-forcewake-user
IGT-Version: 1.7-g5c7bcb1 (x86_64) (Linux: 3.16.0-rc4_ym_f68d69_20140815+
x86_64)
Runtime PM support: 1
PC8 residency support: 0
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