PA_SC_AA_CONFIG   981 drivers/gpu/drm/radeon/evergreend.h #define PA_SC_AA_CONFIG					0x28C04
PA_SC_AA_CONFIG   377 drivers/gpu/drm/radeon/r600d.h #define PA_SC_AA_CONFIG					0x28C04
PA_SC_AA_CONFIG   485 drivers/gpu/drm/radeon/rv770d.h #define PA_SC_AA_CONFIG					0x28C04