tree cf7cbcb307b78c09de0a4a99a1fc0a2fb70a4695
parent 7ce703b6137bcd75e7fabf1ec824d1ca1a966e0f
author Paul Kocialkowski <paul.kocialkowski@linux.intel.com> 1499176445 +0300
committer chrome-bot <chrome-bot@chromium.org> 1500458217 -0700

Detect 1280x960 with a larger hsync counter span

Some VGA encoders end up with a hsync counter value as low as 0x3ae
for the 1280x960x60 mode. Adapt the hsync counter detection span to
handle it.

BUG=None
TEST=Test VGA frame dump with said encoders

Change-Id: Ia60eb8e752ac7950b2850b84f4558443857e00c9
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@linux.intel.com>
Reviewed-on: https://chromium-review.googlesource.com/559062
Reviewed-by: Hsu Wei-Cheng <mojahsu@chromium.org>