debian/patches/extra/0010-vga-fix-display-update-region-calculation.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Gerd Hoffmann <kraxel@redhat.com>
   3 Date: Tue, 9 May 2017 12:48:39 +0200
   4 Subject: [PATCH] vga: fix display update region calculation
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 vga display update mis-calculated the region for the dirty bitmap
  10 snapshot in case the scanlines are padded.  This can triggere an
  11 assert in cpu_physical_memory_snapshot_get_dirty().
  12
  13 Fixes: fec5e8c92becad223df9d972770522f64aafdb72
  14 Reported-by: Kevin Wolf <kwolf@redhat.com>
  15 Reported-by: 李强 <liqiang6-s@360.cn>
  16 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
  17 Message-id: 20170509104839.19415-1-kraxel@redhat.com
  18 ---
  19  hw/display/vga.c | 2 +-
  20  1 file changed, 1 insertion(+), 1 deletion(-)
  21
  22 diff --git a/hw/display/vga.c b/hw/display/vga.c
  23 index b2516c8d21..dcc95f88e2 100644
  24 --- a/hw/display/vga.c
  25 +++ b/hw/display/vga.c
  26 @@ -1630,7 +1630,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
  27      if (!full_update) {
  28          vga_sync_dirty_bitmap(s);
  29          snap = memory_region_snapshot_and_clear_dirty(&s->vram, addr1,
  30 -                                                      bwidth * height,
  31 +                                                      line_offset * height,
  32                                                        DIRTY_MEMORY_VGA);
  33      }
  34
  35 --
  36 2.11.0
  37