From: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk>
The code was incorrectly calculating the end address rather than the size of
the required region.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk>
---
hw/display/cg3.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/display/cg3.c b/hw/display/cg3.c
index e05ca92..6e19da0 100644
--- a/hw/display/cg3.c
+++ b/hw/display/cg3.c
@@ -115,7 +115,7 @@ static void cg3_update_display(void *opaque)
int update = s->full_update;
page = y * width;
- update |= memory_region_get_dirty(&s->vram_mem, page, page + width,
+ update |= memory_region_get_dirty(&s->vram_mem, page, width - 1,
DIRTY_MEMORY_VGA);
if (update) {
if (y_start < 0) {
--
2.9.3
