From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Mon, 30 Oct 2017 11:28:30 +0100 Subject: [PATCH] vga: fix region checks in wraparound case Cc: "Dr. David Alan Gilbert" Signed-off-by: Gerd Hoffmann Reviewed-by: Dr. David Alan Gilbert Message-id: 20171030102830.4469-1-kraxel@redhat.com --- hw/display/vga.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/display/vga.c b/hw/display/vga.c index 63ba404ef2..a58d8bcd67 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -1666,9 +1666,9 @@ static void vga_draw_graphic(VGACommonState *s, int full_update) /* scanline wraps from end of video memory to the start */ assert(force_shadow); update = memory_region_snapshot_get_dirty(&s->vram, snap, - page0, 0); + page0, s->vbe_size - page0); update |= memory_region_snapshot_get_dirty(&s->vram, snap, - page1, 0); + 0, page1); } else { update = memory_region_snapshot_get_dirty(&s->vram, snap, page0, page1 - page0); -- 2.11.0