tree 7358bd32eadf8a1b24000afa417f7bbea20acc07
parent 22437e984ec678245d858d5e7ca98ce441929a95
author Daniel Kurtz <djkurtz@chromium.org> 1376485621 +0800
committer David Garbett <david.garbett@arm.com> 1377862488 +0100

Use xf86ScreenToScrn and xf86ScrnToScreen

Part of the new compat-api.h are ScreenPtr <-> ScrnInfoPtr APIs.
Let's use them.

Cherry-picked from:
https://chromium.googlesource.com/chromiumos%2Fthird_party%2Fxf86-video-armsoc
ec81d1ef9d774af1189a05e5ce5a091d729d994a

Change-Id: I347f5973eae02066b9a6fc27e07599e519b95abf