• Peter Antoine's avatar
    drm: Turn off Legacy Context Functions · 0e975980
    Peter Antoine authored
    The context functions are not used by the i915 driver and should not
    be used by modeset drivers. These driver functions contain several bugs
    and security holes. This change makes these functions optional can be
    turned on by a setting, they are turned off by default for modeset
    driver with the exception of the nouvea driver that may require them with
    an old version of libdrm.
    
    The previous attempt was
    
    commit 7c510133
    Author: Daniel Vetter <daniel.vetter@ffwll.ch>
    Date:   Thu Aug 8 15:41:21 2013 +0200
    
        drm: mark context support as a legacy subsystem
    
    but this had to be reverted
    
    commit c21eb21c
    Author: Dave Airlie <airlied@redhat.com>
    Date:   Fri Sep 20 08:32:59 2013 +1000
    
        Revert "drm: mark context support as a legacy subsystem"
    
    v2: remove returns from void function, and formatting (Daniel Vetter)
    
    v3:
    - s/Nova/nouveau/ in the commit message, and add references to the
      previous attempts
    - drop the part touching the drm hw lock, that should be a separate
      patch.
    
    Signed-off-by: Peter Antoine <peter.antoine@intel.com> (v2)
    Cc: Peter Antoine <peter.antoine@intel.com> (v2)
    Reviewed-by: default avatarPeter Antoine <peter.antoine@intel.com>
    Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
    0e975980
drmP.h 35 KB