> This patch fixes this.

> --- a/hw/display/cirrus_vga.c
> +++ b/hw/display/cirrus_vga.c
> @@ -644,7 +644,7 @@ static void cirrus_invalidate_region(CirrusVGAState * s, 
> int off_begin,
>          off_cur_end = ((off_cur + bytesperline - 1) & s->cirrus_addr_mask) + 
> 1;
>          assert(off_cur_end >= off_cur);
>          memory_region_set_dirty(&s->vga.vram, off_cur, off_cur_end - 
> off_cur);
> -        off_begin += off_pitch;
> +        off_begin = (off_begin + off_pitch) & s->cirrus_addr_mask;
>      }

Well.  Only in case the wraparound doesn't split a scanline ...

take care,
  Gerd


Reply via email to