HDMI was flicker on demo kit when running stress on gpu

Hi Bill,

For rel-32.3.1, you need to use this patch too.
e45e7b5.diff.zip (1.5 KB)
Put this patch first and then the patch in previous comment.

Actually, I hope you could move to rel-32.4.2 to debug this issue. All our patch would be based on latest release instead of specific release in past.