xf86-video-geode: Changes to 'master'

[Martin-Éric Racine]

 src/cim/cim_df.c |    8 ++++++--
 src/cim/cim_vg.c |    3 +--
 2 files changed, 7 insertions(+), 4 deletions(-)

New commits:
commit bae443bb46c81702a57d4914b7e56f17e5aa1f3a
Author: Daniel Drake <dsd at laptop.org>
Date:   Tue Nov 30 20:31:49 2010 +0000

    Improve handling of gamma correction in video vs graphics
    
    The LX is a bit odd in that the palette can be used for gamma correction
    of graphics data, or video data, but not both at the same time.
    
    Right now, during X startup, X sets gamma correction (but without any
    actual correction) causing the Geode driver to start using the palette
    for graphics gamma correction. (this is just momentary)
    
    Later on during startup, vg_set_custom_mode() switches to using the
    palette for video gamma correction, and this is the end result.
    
    If you later use xrandr to change the gamma, the palette starts being used
    for graphics again.
    
    If you VT switch, vg_set_custom_mode (momentarily) starts using the palette
    for video, but then X jumps in with a gamma callback causing it to be used
    for graphics again.
    
    End result: no user visible bug, but this is inconsistent.
    As there is no exposed mechanism for changing video gamma I suggest
    we just drop that bit from vg_set_custom_mode(). Then the inconsistency
    goes away.
    
    Downside: this now becomes dependent on X setting gamma during startup.
    I don't know when this was introduced but I think it is recent.
    
    Aditionally, I think I found a (harmless) bug in
    df_set_video_palette_entry, it doesn't do what the comments say.