optc2_lock_doublebuffer_enable 444 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c .lock_doublebuffer_enable = optc2_lock_doublebuffer_enable, optc2_lock_doublebuffer_enable 110 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h void optc2_lock_doublebuffer_enable(struct timing_generator *optc);