PACKET3_SEM_WAIT_ON_SIGNAL  288 drivers/gpu/drm/amd/amdgpu/si_enums.h #define PACKET3_SEM_WAIT_ON_SIGNAL    (0x1 << 12)
PACKET3_SEM_WAIT_ON_SIGNAL 2450 drivers/gpu/drm/amd/amdgpu/sid.h #define PACKET3_SEM_WAIT_ON_SIGNAL    (0x1 << 12)
PACKET3_SEM_WAIT_ON_SIGNAL 1610 drivers/gpu/drm/radeon/r600d.h #              define PACKET3_SEM_WAIT_ON_SIGNAL    (0x1 << 12)