xf86-video-xgi: Changes to 'master'

[Connor Behan]

 src/init.c        |    2 
 src/vb_i2c.h      |   18 --
 src/vgatypes.h    |   48 +++----
 src/xgi.h         |   18 +-
 src/xgi_accel.c   |  137 ++------------------
 src/xgi_accel.h   |  368 +++++++++++++++++++++++++++---------------------------
 src/xgi_cursor.c  |    4 
 src/xgi_cursor.h  |    8 -
 src/xgi_dac.c     |    8 -
 src/xgi_dga.c     |    2 
 src/xgi_dri.c     |    8 -
 src/xgi_dri.h     |    2 
 src/xgi_driver.c  |    8 +
 src/xgi_driver.h  |    8 -
 src/xgi_setup.c   |    2 
 src/xgi_video.c   |   26 +--
 src/xgi_video.h   |    8 -
 src/xgi_videohw.c |   72 +++++-----
 src/xgi_videohw.h |   44 +++---
 19 files changed, 343 insertions(+), 448 deletions(-)

New commits:
commit 0827492c246152c6799c0f909ac5b7813e71064e
Author: Connor Behan <connor.behan at gmail.com>
Date:   Tue Aug 11 22:11:50 2015 -0400

    Remove execute permissions from source files
    
    This looks tacky if nothing else.
    
    Signed-off-by: Connor Behan <connor.behan at gmail.com>
    Reviewed-by: Matthieu Herrb <matthieu at herrb.eu>

commit 85cfdf291ae0da7f267cdd4c62bacba049bc37fd
Author: Connor Behan <connor.behan at gmail.com>
Date:   Tue Aug 11 22:11:14 2015 -0400

    Reduce custom type usage
    
    Bring this more in line with the maintained drivers.
    
    Signed-off-by: Connor Behan <connor.behan at gmail.com>
    Reviewed-by: Matthieu Herrb <matthieu at herrb.eu>

commit 8b1cd5fbf1b151c4d5f041e392c0cfa519e00217
Author: Connor Behan <connor.behan at gmail.com>
Date:   Mon Aug 10 20:59:06 2015 -0400

    Remove UploadToScreen and DownloadFromScreen
    
    Fixing these broken EXA hooks would make them equal to a software
    fallback, so use that instead.
    
    Signed-off-by: Connor Behan <connor.behan at gmail.com>

commit cf9c4f1a851ff930492d5864bc1cc0079c601518
Author: Connor Behan <connor.behan at gmail.com>
Date:   Mon Aug 10 15:01:44 2015 -0400

    Add missing check for libpciaccess
    
    The code for finding the BIOS forgets to provide both map / unmap
    methods.
    
    Signed-off-by: Connor Behan <connor.behan at gmail.com>