REG_UPDATE_8 454 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c REG_UPDATE_8(DCSURF_SURFACE_CONTROL, REG_UPDATE_8 794 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c REG_UPDATE_8(DCSURF_SURFACE_CONTROL,