1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index fbcd84803b60..17ca72ce3027 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2362,6 +2362,9 @@ void r600_semaphore_ring_emit(struct radeon_device *rdev,
         uint64_t addr = semaphore->gpu_addr;
         unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
 
+        if (rdev->family < CHIP_CAYMAN)
+                sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
+
         radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
         radeon_ring_write(ring, addr & 0xffffffff);
         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);