[PATCH v2 4/4] tests/intel: skip or adjust tests for non-multi-LRC engine classes

Xin Wang
2026-04-03T07:14:07Z

Use xe_engine_class_supports_multi_lrc() to guard multi-LRC test paths:

- xe_exec_balancer: skip tests requiring multi-LRC if the engine class
does not support it
- xe_exec_reset: same guard for the balancer subtest
- xe_drm_fdinfo: skip utilization_multi() for non-multi-LRC classes
- xe_exec_threads: assert multi-LRC support before test_balancer()
- xe_exec_multi_queue: only validate parallel-queue rejection (-EINVAL)
for engine classes that support multi-LRC; non-multi-LRC classes do
not accept the MULTI_GROUP flag at all so the check is irrelevant

Cc: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Xin Wang <x.wang@intel.com>
---
tests/intel/xe_drm_fdinfo.c | 2 +-
tests/intel/xe_exec_balancer.c | 6 +++---
tests/intel/xe_exec_multi_queue.c | 2 +-
tests/intel/xe_exec_reset.c | 2 +-
tests/intel/xe_exec_threads.c | 1 +
5 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/tests/intel/xe_drm_fdinfo.c b/tests/intel/xe_drm_fdinfo.c
index 411ca6ec4..3c113ed5d 100644
--- a/tests/intel/xe_drm_fdinfo.c
+++ b/tests/intel/xe_drm_fdinfo.c
@@ -673,7 +673,7 @@ utilization_multi(int fd, int gt, int class, unsigned int flags)
igt_assert(virtual ^ parallel);

num_placements = xe_gt_fill_engines_by_class(fd, gt, class, eci);
- if (num_placements < 2)
+ if (num_placements < 2 || !xe_engine_class_supports_multi_lrc(fd, class))
return;

igt_debug("Target class: %s\n", engine_map[class]);
diff --git a/tests/intel/xe_exec_balancer.c b/tests/intel/xe_exec_balancer.c
index 9cd641b4e..3c6ec45f1 100644
--- a/tests/intel/xe_exec_balancer.c
+++ b/tests/intel/xe_exec_balancer.c
@@ -57,7 +57,7 @@ static bool test_all_active(int fd, int gt, int class)
int i, num_placements;

num_placements = xe_gt_fill_engines_by_class(fd, gt, class, eci);
- if (num_placements < 2)
+ if (num_placements < 2 || !xe_engine_class_supports_multi_lrc(fd, class))
return false;

vm = xe_vm_create(fd, 0, 0);
@@ -187,7 +187,7 @@ test_exec(int fd, int gt, int class, int n_exec_queues, int n_execs,
igt_assert_lte(n_exec_queues, MAX_N_EXEC_QUEUES);

num_placements = xe_gt_fill_engines_by_class(fd, gt, class, eci);
- if (num_placements < 2)
+ if (num_placements < 2 || !xe_engine_class_supports_multi_lrc(fd, class))
return false;

vm = xe_vm_create(fd, 0, 0);
@@ -402,7 +402,7 @@ test_cm(int fd, int gt, int class, int n_exec_queues, int n_execs,
igt_assert_lte(n_exec_queues, MAX_N_EXEC_QUEUES);

num_placements = xe_gt_fill_engines_by_class(fd, gt, class, eci);
- if (num_placements < 2)
+ if (num_placements < 2 || !xe_engine_class_supports_multi_lrc(fd, class))
return false;

vm = xe_vm_create(fd, DRM_XE_VM_CREATE_FLAG_LR_MODE, 0);
diff --git a/tests/intel/xe_exec_multi_queue.c b/tests/intel/xe_exec_multi_queue.c
index b5ded0633..ca96099d3 100644
--- a/tests/intel/xe_exec_multi_queue.c
+++ b/tests/intel/xe_exec_multi_queue.c
@@ -112,7 +112,7 @@ __test_sanity(int fd, int gt, int class, bool preempt_mode)

/* Multi-Queue can't be a parallel queue */
multi_queue.value = DRM_XE_MULTI_GROUP_CREATE;
- if (n > 1)
+ if (n > 1 && xe_engine_class_supports_multi_lrc(fd, class))
igt_assert_eq(__xe_exec_queue_create(fd, vm, 2, 1, eci, ext, &val), -EINVAL);

/* Specifying multiple MULTI_GROUP property is invalid */
diff --git a/tests/intel/xe_exec_reset.c b/tests/intel/xe_exec_reset.c
index 7aaee31dd..95191139d 100644
--- a/tests/intel/xe_exec_reset.c
+++ b/tests/intel/xe_exec_reset.c
@@ -184,7 +184,7 @@ test_balancer(int fd, int gt, int class, int n_exec_queues, int n_execs,
fd = drm_open_driver(DRIVER_XE);

num_placements = xe_gt_fill_engines_by_class(fd, gt, class, eci);
- if (num_placements < 2)
+ if (num_placements < 2 || !xe_engine_class_supports_multi_lrc(fd, class))
return;

vm = xe_vm_create(fd, 0, 0);
diff --git a/tests/intel/xe_exec_threads.c b/tests/intel/xe_exec_threads.c
index ab9565beb..7b8100c5b 100644
--- a/tests/intel/xe_exec_threads.c
+++ b/tests/intel/xe_exec_threads.c
@@ -85,6 +85,7 @@ test_balancer(int fd, int gt, uint32_t vm, uint64_t addr, uint64_t userptr,

num_placements = xe_gt_fill_engines_by_class(fd, gt, class, eci);
igt_assert_lt(1, num_placements);
+ igt_assert(xe_engine_class_supports_multi_lrc(fd, class));

bo_size = sizeof(*data) * n_execs;
bo_size = xe_bb_size(fd, bo_size);
--
2.43.0