media: atomisp: add hmm_create_from_userdata() helper

Most hmm_alloc() callers want BO_PRIVATE type memory.

Add a hmm_create_from_userdata() helper for other cases so that
the hmm_alloc() calls for all the callers who don't want this
can be simplied.

Link: https://lore.kernel.org/linux-media/20220615205037.16549-29-hdegoede@redhat.comReviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/atomisp/include/hmm/hmm.h

@@ -39,6 +39,7 @@ void hmm_cleanup(void);
 ia_css_ptr hmm_alloc(size_t bytes, enum hmm_bo_type type,
 		     int from_highmem, const void __user *userptr,
 		     const uint16_t attrs);
+ia_css_ptr hmm_create_from_userdata(size_t bytes, const void __user *userptr);
 void hmm_free(ia_css_ptr ptr);
 int hmm_load(ia_css_ptr virt, void *data, unsigned int bytes);
 int hmm_store(ia_css_ptr virt, const void *data, unsigned int bytes);

drivers/staging/media/atomisp/pci/hmm/hmm.c

@@ -221,6 +221,11 @@ ia_css_ptr hmm_alloc(size_t bytes, enum hmm_bo_type type,
 	return 0;
 }
 
+ia_css_ptr hmm_create_from_userdata(size_t bytes, const void __user *userptr)
+{
+	return hmm_alloc(bytes, HMM_BO_USER, 0, userptr, 0);
+}
+
 void hmm_free(ia_css_ptr virt)
 {
 	struct hmm_buffer_object *bo;

drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c

@@ -171,7 +171,7 @@ int ia_css_frame_map(struct ia_css_frame **frame,
 		goto error;
 	}
 
-	me->data = hmm_alloc(me->data_bytes, HMM_BO_USER, 0, data, 0);
+	me->data = hmm_create_from_userdata(me->data_bytes, data);
 	if (me->data == mmgr_NULL)
 		err = -EINVAL;