[igt-dev] [PATCH i-g-t] xe/xe_vm: Create BO in proper tile

Chang, Yu bruce yu.bruce.chang at intel.com
Wed Mar 29 18:40:21 UTC 2023


Change looks good, but it will be good if it mentions what it intents for.

Reviewed-by: Bruce Chang <yu.bruce.chang at intel.com>

> -----Original Message-----
> From: igt-dev <igt-dev-bounces at lists.freedesktop.org> On Behalf Of
> Niranjana Vishwanathapura
> Sent: Wednesday, March 29, 2023 10:28 AM
> To: igt-dev at lists.freedesktop.org
> Subject: [igt-dev] [PATCH i-g-t] xe/xe_vm: Create BO in proper tile
> 
> Create BO in the same tile where gpu job using this BO runs.
> 
[BC] Looks like reasonable change from perf point view, but what will it go
wrong if not on the same tile?

> Signed-off-by: Matthew Brost <matthew.brost at intel.com>
> Signed-off-by: Niranjana Vishwanathapura
> <niranjana.vishwanathapura at intel.com>
> ---
>  tests/xe/xe_vm.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/tests/xe/xe_vm.c b/tests/xe/xe_vm.c index
> 15356c704..203721c8e 100644
> --- a/tests/xe/xe_vm.c
> +++ b/tests/xe/xe_vm.c
> @@ -549,7 +549,7 @@ shared_pte_page(int fd, struct
> drm_xe_engine_class_instance *eci, int n_bo,
>  			xe_get_default_alignment(fd));
> 
>  	for (i = 0; i < n_bo; ++i) {
> -		bo[i] = xe_bo_create(fd, 0, vm, bo_size);
> +		bo[i] = xe_bo_create(fd, eci->gt_id, vm, bo_size);
>  		data[i] = xe_bo_map(fd, bo[i], bo_size);
>  	}
> 
> @@ -717,7 +717,7 @@ test_bind_engines_independent(int fd, struct
> drm_xe_engine_class_instance *eci)
>  	bo_size = sizeof(*data) * N_ENGINES;
>  	bo_size = ALIGN(bo_size + xe_cs_prefetch_size(fd),
>  			xe_get_default_alignment(fd));
> -	bo = xe_bo_create(fd, 0, vm, bo_size);
> +	bo = xe_bo_create(fd, eci->gt_id, vm, bo_size);
>  	data = xe_bo_map(fd, bo, bo_size);
> 
>  	for (i = 0; i < N_ENGINES; i++) {
> @@ -874,7 +874,7 @@ test_bind_array(int fd, struct
> drm_xe_engine_class_instance *eci, int n_execs,
>  	bo_size = ALIGN(bo_size + xe_cs_prefetch_size(fd),
>  			xe_get_default_alignment(fd));
> 
> -	bo = xe_bo_create(fd, 0, vm, bo_size);
> +	bo = xe_bo_create(fd, eci->gt_id, vm, bo_size);
>  	data = xe_bo_map(fd, bo, bo_size);
> 
>  	if (flags & BIND_ARRAY_BIND_ENGINE_FLAG) @@ -1052,7 +1052,7
> @@ test_large_binds(int fd, struct drm_xe_engine_class_instance *eci,
>  		map = aligned_alloc(xe_get_default_alignment(fd),
> bo_size);
>  		igt_assert(map);
>  	} else {
> -		bo = xe_bo_create(fd, 0, vm, bo_size);
> +		bo = xe_bo_create(fd, eci->gt_id, vm, bo_size);
>  		map = xe_bo_map(fd, bo, bo_size);
>  	}
> 
> @@ -1329,7 +1329,7 @@ test_munmap_style_unbind(int fd, struct
> drm_xe_engine_class_instance *eci,
>  			    MAP_ANONYMOUS, -1, 0);
>  		igt_assert(data != MAP_FAILED);
>  	} else {
> -		bo = xe_bo_create(fd, 0, vm, bo_size);
> +		bo = xe_bo_create(fd, eci->gt_id, vm, bo_size);
>  		map = xe_bo_map(fd, bo, bo_size);
>  	}
>  	memset(map, 0, bo_size);
> --
> 2.21.0.rc0.32.g243a4c7e27



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