Re-enable partial updates when available

tannewt · tannewt · commit 87fc5eff267e · 2023-04-24T16:24:33.000-07:00
diff --git a/shared-module/displayio/EPaperDisplay.c b/shared-module/displayio/EPaperDisplay.c
@@ -139,7 +139,8 @@ STATIC const displayio_area_t *displayio_epaperdisplay_get_refresh_areas(display
     if (self->core.current_group != NULL) {
         first_area = displayio_group_get_refresh_areas(self->core.current_group, NULL);
     }
-    if (first_area != NULL) {
+    if (first_area != NULL && self->core.row_command == NO_COMMAND) {
+        // Do a full refresh if the display doesn't support partial updates.
         self->core.area.next = NULL;
         return &self->core.area;
     }

Original file line number	Diff line number	Diff line change
`@@ -139,7 +139,8 @@ STATIC const displayio_area_t *displayio_epaperdisplay_get_refresh_areas(display`
`139`	`139`	`if (self->core.current_group != NULL) {`
`140`	`140`	`first_area = displayio_group_get_refresh_areas(self->core.current_group, NULL);`
`141`	`141`	`}`
`142`		`- if (first_area != NULL) {`
	`142`	`+ if (first_area != NULL && self->core.row_command == NO_COMMAND) {`
	`143`	`+ // Do a full refresh if the display doesn't support partial updates.`
`143`	`144`	`self->core.area.next = NULL;`
`144`	`145`	`return &self->core.area;`
`145`	`146`	`}`