rendering_pipe_num 1941 drivers/gpu/drm/radeon/r600.c u32 rendering_pipe_num, rb_num_width, req_rb_num; rendering_pipe_num 1952 drivers/gpu/drm/radeon/r600.c rendering_pipe_num = 1 << tiling_pipe_num; rendering_pipe_num 1954 drivers/gpu/drm/radeon/r600.c BUG_ON(rendering_pipe_num < req_rb_num); rendering_pipe_num 1956 drivers/gpu/drm/radeon/r600.c pipe_rb_ratio = rendering_pipe_num / req_rb_num; rendering_pipe_num 1957 drivers/gpu/drm/radeon/r600.c pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;