From 506927ec8bbbdd99261cec4cd28cd0fd54e02218 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 12 Jul 2019 09:25:49 +0100
Subject: drm/i915/selftests: Ignore self-preemption suppression under gvt
Git-commit: 506927ec8bbbdd99261cec4cd28cd0fd54e02218
Patch-mainline: v5.4-rc1
References: bsc#1152489

GVT forces single port submission of individual requests. We do not
enjoy the context amalgamation that the test depends upon for setting up
the test (where port 0 has a large number of requests with a priority
change somewhere in the middle). Under single request submission of gvt
it is quite able for the preemption event to occur while another context
is active and so there be a real need to act upon that preemption.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111108
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190712082549.25053-1-chris@chris-wilson.co.uk
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/i915/gt/selftest_lrc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 678e9b2edf8d..6b6cea76cc8b 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -854,6 +854,9 @@ static int live_suppress_self_preempt(void *arg)
 	if (USES_GUC_SUBMISSION(i915))
 		return 0; /* presume black blox */
 
+	if (intel_vgpu_active(i915))
+		return 0; /* GVT forces single port & request submission */
+
 	mutex_lock(&i915->drm.struct_mutex);
 	wakeref = intel_runtime_pm_get(&i915->runtime_pm);
 
-- 
2.28.0