xf86-video-ast: Changes to 'master'

[Y.C. Chen]

 src/ast_mode.c |   51 ++++++++++++++++++++++++++++++---------------------
 src/ast_mode.h |   16 ++++++++++------
 2 files changed, 40 insertions(+), 27 deletions(-)

New commits:
commit 77e7ac37c6031551f7ad355dc94c4176df4956aa
Author: Y.C. Chen <yc_chen at aspeedtech.com>
Date:   Thu Aug 13 15:21:57 2015 +0800

    use same search mode criteria with ast drm driver