vga: update vga register setup on vbe changes

Call the new vbe_update_vgaregs() function on vbe configuration
changes, to make sure vga registers are up-to-date.

upstream-commit-id: 2068192dcccd8a80dddfcc8df6164cf9c26e0fc4

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

diff --git a/hw/display/vga.c b/hw/display/vga.c
index ad524d42dc77a21edf8b72f5ed1b785c1ff79871..3875538d31a825cead763acb6265a58ed73ab796 100644 (file)
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -761,6 +761,7 @@ void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
         case VBE_DISPI_INDEX_Y_OFFSET:
             s->vbe_regs[s->vbe_index] = val;
             vbe_fixup_regs(s);
+            vbe_update_vgaregs(s);
             break;
         case VBE_DISPI_INDEX_BANK:
             val &= s->vbe_bank_mask;