At least on my tests (building against Qt5.13), it seems to
me that, since Kernel 3.14, the split view mode is broken.

Maybe it was not a top priority during the conversion time.

Anyway, this patch changes the logic in order to properly
support the split view mode and the single view mode.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>