Symbol: DP_EDP_15
drivers/gpu/drm/display/drm_dp_helper.c
4539
if ((edp_dpcd[0] & DP_EDP_15) && edp_dpcd[3] &
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
682
if (intel_dp->edp_dpcd[0] >= DP_EDP_15)