If ISI is working on a 1024x768 or higher resolution, it needs longer
time to disable ISI. So this patch will increase timeout to 500ms.
Signed-off-by: NJosh Wu <josh.wu@atmel.com>
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>