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

[Daniel Charles <daniel.charles@intel.com>]

On 4/3/2026 12:13 AM, Xin Wang wrote:
> 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);
Reviewed-by:Daniel Charles <daniel.charles@intel.com>