Useful to experiment with notifier size and how it affects performance.
Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
---
drivers/gpu/drm/xe/xe_module.h | 1 +
drivers/gpu/drm/xe/xe_svm.c | 5 +++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_module.h b/drivers/gpu/drm/xe/xe_module.h
index 161a5e6f717f..5a3bfea8b7b4 100644
--- a/drivers/gpu/drm/xe/xe_module.h
+++ b/drivers/gpu/drm/xe/xe_module.h
@@ -22,6 +22,7 @@ struct xe_modparam {
unsigned int max_vfs;
#endif
int wedged_mode;
+ u32 svm_notifier_size;
};
extern struct xe_modparam xe_modparam;
diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index acf2a3750f38..16e34aaead79 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -8,6 +8,7 @@
#include "xe_bo.h"
#include "xe_gt_tlb_invalidation.h"
#include "xe_migrate.h"
+#include "xe_module.h"
#include "xe_pt.h"
#include "xe_svm.h"
#include "xe_ttm_vram_mgr.h"
@@ -573,8 +574,8 @@ int xe_svm_init(struct xe_vm *vm)
return drm_gpusvm_init(&vm->svm.gpusvm, "Xe SVM", &vm->xe->drm,
current->mm, xe_svm_devm_owner(vm->xe), 0,
- vm->size, SZ_512M, &gpusvm_ops,
- fault_chunk_sizes,
+ vm->size, xe_modparam.svm_notifier_size * SZ_1M,
+ &gpusvm_ops, fault_chunk_sizes,
ARRAY_SIZE(fault_chunk_sizes));
}
--
2.34.1
