rptr_next 472 drivers/gpu/drm/radeon/radeon_ring.c uint32_t rptr, wptr, rptr_next; rptr_next 487 drivers/gpu/drm/radeon/radeon_ring.c rptr_next = RREG32(ring->rptr_save_reg); rptr_next 489 drivers/gpu/drm/radeon/radeon_ring.c ring->rptr_save_reg, rptr_next, rptr_next); rptr_next 491 drivers/gpu/drm/radeon/radeon_ring.c rptr_next = ~0; rptr_next 513 drivers/gpu/drm/radeon/radeon_ring.c if (rptr_next == i)