PA_SC_LINE_STIPPLE  993 drivers/gpu/drm/radeon/evergreend.h #define PA_SC_LINE_STIPPLE				0x28A0C
PA_SC_LINE_STIPPLE  402 drivers/gpu/drm/radeon/r600d.h #define PA_SC_LINE_STIPPLE				0x28A0C
PA_SC_LINE_STIPPLE  494 drivers/gpu/drm/radeon/rv770d.h #define PA_SC_LINE_STIPPLE				0x28A0C