[Bug 100261] [BAT] [IVB] kms_flip blt-wf_vblank-vs-dpms GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100261

--- Comment #7 from Ander Conselvan de Oliveira <conselvan2 at gmail.com> ---
Reverting the following patch also makes the test pass:

commit 39d2eda23342e5a473563cf1c954246eb07529c7
Author: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
Date:   Thu Dec 1 12:50:19 2016 +0200

    igt/kms_flip: Fix set_dpms called with an idle bo


My understanding is that that the call to set_dpms() just after
igt_spin_batch_set_timeout() blocks in intel_atomic_commit() in

    if (!nonblock) {
        i915_sw_fence_wait(&intel_state->commit_ready);

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