sample_y 73 drivers/gpu/drm/drm_fb_cma_helper.c u32 sample_y; sample_y 89 drivers/gpu/drm/drm_fb_cma_helper.c sample_y = (state->src_y >> 16) / v_div; sample_y 90 drivers/gpu/drm/drm_fb_cma_helper.c block_start_y = (sample_y / block_h) * block_h;