pre_write_limit  1117 drivers/gpu/drm/radeon/r100.c 	unsigned pre_write_limit;
pre_write_limit  1154 drivers/gpu/drm/radeon/r100.c 	pre_write_limit = 0;
pre_write_limit  1168 drivers/gpu/drm/radeon/r100.c 	WREG32(0x718, pre_write_timer | (pre_write_limit << 28));