SDVOB_PCIE_CONCURRENCY  424 drivers/gpu/drm/gma500/psb_intel_reg.h #define SDVOB_PCIE_CONCURRENCY		(1 << 3)
SDVOB_PCIE_CONCURRENCY 4528 drivers/gpu/drm/i915/i915_reg.h #define   SDVOB_PCIE_CONCURRENCY		(1 << 3) /* Port B only */