Commit 5aee6e33 authored by Himal Prasad Ghimiray's avatar Himal Prasad Ghimiray
Browse files

drm/xe/vm: Add debug prints for SVM range prefetch 



Introduce debug logs for the prefetch operation of SVM ranges.

Reviewed-by: default avatarMatthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250513040228.470682-16-himal.prasad.ghimiray@intel.com


Signed-off-by: default avatarHimal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
parent 09ba0a8f

drivers/gpu/drm/xe/xe_vm.c

+6 −1
Original line number Diff line number Diff line
@@ -2399,8 +2399,10 @@ vm_bind_ioctl_ops_create(struct xe_vm *vm, struct xe_vma_ops *vops, 
				goto unwind_prefetch_ops;

			}



			if (xe_svm_range_validate(vm, svm_range, tile_mask, !!prefetch_region))

			if (xe_svm_range_validate(vm, svm_range, tile_mask, !!prefetch_region)) {

				xe_svm_range_debug(svm_range, "PREFETCH - RANGE IS VALID");

				goto check_next_range;

			}



			err = xa_alloc(&op->prefetch_range.range,

				       &i, svm_range, xa_limit_32b,
@@ -2411,6 +2413,7 @@ vm_bind_ioctl_ops_create(struct xe_vm *vm, struct xe_vma_ops *vops, 


			op->prefetch_range.ranges_count++;

			vops->flags |= XE_VMA_OPS_FLAG_HAS_SVM_PREFETCH;

			xe_svm_range_debug(svm_range, "PREFETCH - RANGE CREATED");

check_next_range:

			if (range_end > xe_svm_range_end(svm_range) &&

			    xe_svm_range_end(svm_range) < xe_vma_end(vma)) {
@@ -2909,6 +2912,7 @@ static int prefetch_ranges(struct xe_vm *vm, struct xe_vma_op *op) 
					vm->usm.asid, &vm->svm.gpusvm, ERR_PTR(err));

				return -ENODATA;

			}

			xe_svm_range_debug(svm_range, "PREFETCH - RANGE MIGRATED TO VRAM");

		}



		err = xe_svm_range_get_pages(vm, svm_range, &ctx);
@@ -2919,6 +2923,7 @@ static int prefetch_ranges(struct xe_vm *vm, struct xe_vma_op *op) 
				vm->usm.asid, &vm->svm.gpusvm, ERR_PTR(err));

			return err;

		}

		xe_svm_range_debug(svm_range, "PREFETCH - RANGE GET PAGES DONE");

	}



	return err;