amd/amdkfd: remove svms declaration to avoid werror

svm_range_list svms declaration removed to avoid werror when
CONFIG_HSA_AMD_SVM is not enabled.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

@@ -1251,7 +1251,6 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
 	struct kfd_process_device *pdd;
 	void *mem;
 	struct kfd_dev *dev;
-	struct svm_range_list *svms = &p->svms;
 	int idr_handle;
 	long err;
 	uint64_t offset = args->mmap_offset;
@@ -1264,18 +1263,18 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
 	/* Flush pending deferred work to avoid racing with deferred actions
 	 * from previous memory map changes (e.g. munmap).
 	 */
-	svm_range_list_lock_and_flush_work(svms, current->mm);
-	mutex_lock(&svms->lock);
+	svm_range_list_lock_and_flush_work(&p->svms, current->mm);
+	mutex_lock(&p->svms.lock);
 	mmap_write_unlock(current->mm);
-	if (interval_tree_iter_first(&svms->objects,
+	if (interval_tree_iter_first(&p->svms.objects,
 				     args->va_addr >> PAGE_SHIFT,
 				     (args->va_addr + args->size - 1) >> PAGE_SHIFT)) {
 		pr_err("Address: 0x%llx already allocated by SVM\n",
 			args->va_addr);
-		mutex_unlock(&svms->lock);
+		mutex_unlock(&p->svms.lock);
 		return -EADDRINUSE;
 	}
-	mutex_unlock(&svms->lock);
+	mutex_unlock(&p->svms.lock);
 #endif
 	dev = kfd_device_by_id(args->gpu_id);
 	if (!dev)