tree adbe2bff80169abec443a542c7a2b846138e0e84
parent 3b6d2b1962b23295c463f010ff88eb5a594f2ef9
author Paolo Bonzini <pbonzini@redhat.com> 1712053596 +0200
committer Paolo Bonzini <pbonzini@redhat.com> 1712074139 +0200

vga: do not treat horiz pel panning value of 8 as "enabled"

Horizontal pel panning bit 3 is only used in text mode.  In graphics
mode, it can be treated as if it was zero, thus not extending the
dirty memory region.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>