diff options
Diffstat (limited to 'shared-module')
| -rw-r--r-- | shared-module/framebufferio/FramebufferDisplay.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/shared-module/framebufferio/FramebufferDisplay.c b/shared-module/framebufferio/FramebufferDisplay.c index 73917b1a3..fed3352aa 100644 --- a/shared-module/framebufferio/FramebufferDisplay.c +++ b/shared-module/framebufferio/FramebufferDisplay.c @@ -219,12 +219,14 @@ STATIC void _refresh_display(framebufferio_framebufferdisplay_obj_t* self) { displayio_display_core_start_refresh(&self->core); self->framebuffer_protocol->get_bufinfo(self->framebuffer, &self->bufinfo); const displayio_area_t* current_area = _get_refresh_areas(self); - while (current_area != NULL) { - _refresh_area(self, current_area); - current_area = current_area->next; + if (current_area) { + while (current_area != NULL) { + _refresh_area(self, current_area); + current_area = current_area->next; + } + self->framebuffer_protocol->swapbuffers(self->framebuffer); } displayio_display_core_finish_refresh(&self->core); - self->framebuffer_protocol->swapbuffers(self->framebuffer); } void common_hal_framebufferio_framebufferdisplay_set_rotation(framebufferio_framebufferdisplay_obj_t* self, int rotation){ |