drm/armada: Prepare to dynamic dma-buf locking specification

Prepare Armada driver to the common dynamic dma-buf locking convention
by starting to use the unlocked versions of dma-buf API functions.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221017172229.42269-6-dmitry.osipenko@collabora.com

drivers/gpu/drm/armada/armada_gem.c

@@ -66,7 +66,7 @@ void armada_gem_free_object(struct drm_gem_object *obj)
 	if (dobj->obj.import_attach) {
 		/* We only ever display imported data */
 		if (dobj->sgt)
-			dma_buf_unmap_attachment(dobj->obj.import_attach,
+			dma_buf_unmap_attachment_unlocked(dobj->obj.import_attach,
 							  dobj->sgt, DMA_TO_DEVICE);
 		drm_prime_gem_destroy(&dobj->obj, NULL);
 	}
@@ -539,7 +539,7 @@ int armada_gem_map_import(struct armada_gem_object *dobj)
 {
 	int ret;
 
-	dobj->sgt = dma_buf_map_attachment(dobj->obj.import_attach,
+	dobj->sgt = dma_buf_map_attachment_unlocked(dobj->obj.import_attach,
 						    DMA_TO_DEVICE);
 	if (IS_ERR(dobj->sgt)) {
 		ret = PTR_ERR(dobj->sgt);