vgabios: fix graphics operation with Bochs VGA in non-DISPI modes

For legacy VGA modes that do not set the VBE_DISPI_ENABLED bit,
bochsvga_get_linelength returns 0.  Thus all characters are squashed
into the first scanline.  Fix this by falling back to stdvga for
the legacy modes.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed
tree: e0f9134d585e2970fc242d8d29572c7a63a01518
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. docs/
  7. scripts/
  8. src/
  9. vgasrc/