extra_lines 4852 drivers/gpu/drm/i915/intel_pm.c int extra_lines; extra_lines 4855 drivers/gpu/drm/i915/intel_pm.c extra_lines = wp->y_min_scanlines; extra_lines 4857 drivers/gpu/drm/i915/intel_pm.c extra_lines = wp->y_min_scanlines * 2 - extra_lines 4860 drivers/gpu/drm/i915/intel_pm.c min_ddb_alloc = mul_round_up_u32_fixed16(res_lines + extra_lines,