gsl_window_start_y 128 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c OTG_GSL_WINDOW_START_Y, params->gsl_window_start_y, gsl_window_start_y 54 drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h int gsl_window_start_y;