CP_PACKET1         36 drivers/gpu/drm/radeon/r100d.h #define CP_PACKET1			0x40000000
CP_PACKET1         36 drivers/gpu/drm/radeon/r300d.h #define CP_PACKET1			0x40000000
CP_PACKET1        179 drivers/gpu/drm/radeon/rv515d.h #define CP_PACKET1			0x40000000