[CI v4 10/13] drm/i915/selftests: ensure we reserve a fence slot

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We should always be explicit and allocate a fence slot before adding a
new fence.

Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
Cc: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
Cc: Jon Bloomfield <jon.bloomfield@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Jordan Justen <jordan.l.justen@xxxxxxxxx>
Cc: Kenneth Graunke <kenneth@xxxxxxxxxxxxx>
Cc: Akeem G Abodunrin <akeem.g.abodunrin@xxxxxxxxx>
Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 388c85b0f764..da28acb78a88 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -1224,8 +1224,10 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements,
 					  expand32(POISON_INUSE), &rq);
 	i915_gem_object_unpin_pages(obj);
 	if (rq) {
-		dma_resv_add_fence(obj->base.resv, &rq->fence,
-				   DMA_RESV_USAGE_KERNEL);
+		err = dma_resv_reserve_fences(obj->base.resv, 1);
+		if (!err)
+			dma_resv_add_fence(obj->base.resv, &rq->fence,
+					   DMA_RESV_USAGE_KERNEL);
 		i915_request_put(rq);
 	}
 	i915_gem_object_unlock(obj);
-- 
2.36.1




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