ADPA_VSYNC_CNTL_ENABLE 348 drivers/gpu/drm/gma500/psb_intel_reg.h #define ADPA_VSYNC_CNTL_ENABLE 0 ADPA_VSYNC_CNTL_ENABLE 4375 drivers/gpu/drm/i915/i915_reg.h #define ADPA_VSYNC_CNTL_ENABLE 0