NUM_GS_THREADS   1064 drivers/gpu/drm/radeon/evergreend.h #define		NUM_GS_THREADS(x)				((x) << 16)
NUM_GS_THREADS    272 drivers/gpu/drm/radeon/r600d.h #       define NUM_GS_THREADS(x)                          ((x) << 16)
NUM_GS_THREADS    588 drivers/gpu/drm/radeon/rv770d.h #define		NUM_GS_THREADS(x)				((x) << 16)