ewma_psr_time 63 drivers/gpu/drm/drm_self_refresh_helper.c struct ewma_psr_time entry_avg_ms; ewma_psr_time 64 drivers/gpu/drm/drm_self_refresh_helper.c struct ewma_psr_time exit_avg_ms; ewma_psr_time 156 drivers/gpu/drm/drm_self_refresh_helper.c struct ewma_psr_time *time;