CP_RB1_RPTR_ADDR_HI 1298 drivers/gpu/drm/amd/amdgpu/sid.h #define	CP_RB1_RPTR_ADDR_HI				0x3063
CP_RB1_RPTR_ADDR_HI  502 drivers/gpu/drm/radeon/nid.h #define	CP_RB1_RPTR_ADDR_HI				0xC18C
CP_RB1_RPTR_ADDR_HI 1269 drivers/gpu/drm/radeon/sid.h #define	CP_RB1_RPTR_ADDR_HI				0xC18C