[PATCH i-g-t 32/38] tests/gem_ppgtt: Adopt test to use intel_bb with allocator

[Zbigniew Kempczyński]

Tests work in multiprocess environment so we must turn on/off
thread in parent process which is responsible for allocations.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
Cc: Dominik Grzegorzek <dominik.grzegorzek at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/i915/gem_ppgtt.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/i915/gem_ppgtt.c b/tests/i915/gem_ppgtt.c
index 5f8b34224..678a63498 100644
--- a/tests/i915/gem_ppgtt.c
+++ b/tests/i915/gem_ppgtt.c
@@ -283,10 +283,13 @@ igt_main
 		rcs = calloc(sizeof(*rcs), nchild);
 		igt_assert(rcs);
 
+		intel_allocator_multiprocess_start();
+
 		fork_bcs_copy(30, 0x4000, bcs, 1);
 		fork_rcs_copy(30, 0x8000 / nchild, rcs, nchild, 0);
 
 		igt_waitchildren();
+		intel_allocator_multiprocess_stop();
 
 		surfaces_check(bcs, 1, 0x4000);
 		surfaces_check(rcs, nchild, 0x8000 / nchild);
@@ -310,10 +313,13 @@ igt_main
 		rcs = calloc(sizeof(*rcs), nchild);
 		igt_assert(rcs);
 
+		intel_allocator_multiprocess_start();
+
 		fork_rcs_copy(30, 0x8000 / nchild, rcs, nchild, CREATE_CONTEXT);
 		fork_bcs_copy(30, 0x4000, bcs, 1);
 
 		igt_waitchildren();
+		intel_allocator_multiprocess_stop();
 
 		surfaces_check(bcs, 1, 0x4000);
 		surfaces_check(rcs, nchild, 0x8000 / nchild);
-- 
2.26.0