IBIAS_MASK        108 drivers/gpu/drm/radeon/evergreend.h #define		IBIAS_MASK				(0x3ff << 20)
IBIAS_MASK        570 drivers/gpu/drm/radeon/nid.h #define		IBIAS_MASK				(0x3ff << 20)
IBIAS_MASK         55 drivers/gpu/drm/radeon/rv740d.h #define		IBIAS_MASK				(0x3ff << 20)
IBIAS_MASK        128 drivers/gpu/drm/radeon/rv770d.h #define		IBIAS_MASK				(0x3ff << 20)