• Daniel Vetter's avatar
    drm/i915: dp aux irq support for g4x/vlv · 4aeebd74
    Daniel Vetter authored
    Now we have this everywhere. Next up would be to wire up the DP
    hotplug pin to speed up panel power sequencing for eDP panels ...
    
    I've decided to leave the has_aux_irq logic in the code, it should
    come handy for hw bringup.
    
    For testing/fail-safety the dp aux code already has a timeout when
    waiting for interrupts to signal completion and screams rather loud if
    they don't arrive in time. Given that we need a real piece of hw to
    talk to anyway this is probably as good as it gets.
    
    v2: Don't check the dp aux channel bits on i965 machines, they have a
    different meaning there. Yay for reusing bits at will! Spotted by
    Jani.
    
    Cc: Jani Nikula <jani.nikula@intel.com>
    Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
    Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
    4aeebd74
i915_reg.h 224 KB