drm/xe/svm: Avoid duplicate eviction on get_pages() failure

xe_svm_range_get_pages() already calls drm_gpusvm_range_evict()
internally when it fails with -EOPNOTSUPP. Remove the eviction
call in the caller to prevent duplicate handling.

Fixes: e0ff0d7 ("drm/xe/svm: Refactor usage of drm_gpusvm* function in xe_svm")
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250526163907.1011529-1-himal.prasad.ghimiray@intel.com
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>

Author: hghimira

drivers/gpu/drm/xe/xe_svm.c

@@ -914,11 +914,6 @@ int xe_svm_handle_pagefault(struct xe_vm *vm, struct xe_vma *vma,
 	if (err == -EOPNOTSUPP || err == -EFAULT || err == -EPERM) {
 		ctx.timeslice_ms <<= 1;	/* Double timeslice if we have to retry */
 		if (migrate_try_count > 0 || !ctx.devmem_only) {
-			if (err == -EOPNOTSUPP) {
-				range_debug(range, "PAGE FAULT - EVICT PAGES");
-				drm_gpusvm_range_evict(&vm->svm.gpusvm,
-						       &range->base);
-			}
 			drm_dbg(&vm->xe->drm,
 				"Get pages failed, falling back to retrying, asid=%u, gpusvm=%p, errno=%pe\n",
 				vm->usm.asid, &vm->svm.gpusvm, ERR_PTR(err));