Copy bits in qxlCopyNtoN rather than relying on a separate
Copy bits in qxlCopyNtoN rather than relying on a separate

fbCopyArea() to do it This ensures that miHandleExposures() which get
called at the end of fbDoCopy(), will be called with the shadow
framebuffer in a sane state.

This fixes a number of issues with scrolling partially covered windows.

sombrafam/virtioqxl-xf86-video-qxl,fgouget/xf86-video-qxl,facboy/xserver-xorg-video-qxl,fgouget/xf86-video-qxl,dezelin/xf86-video-qxl,fgouget/xf86-video-qxl,sombrafam/virtioqxl-xf86-video-qxl,facboy/xserver-xorg-video-qxl,dezelin/xf86-video-qxl,dezelin/xf86-video-qxl,facboy/xserver-xorg-video-qxl,facboy/xserver-xorg-video-qxl,sombrafam/virtioqxl-xf86-video-qxl,fgouget/xf86-video-qxl