i915/display/intel_dsb.c

37 	 * free_pos will point the first free dword and
40 	unsigned int free_pos;
206 	return !drm_WARN(display->drm, dsb->free_pos > dsb->size - 2,
217 			    !IS_ALIGNED(dsb->free_pos * 4, CACHELINE_BYTES));
228 	for (i = 0; i < ALIGN(dsb->free_pos, 64 / 4); i += 4)
246 	return dsb->free_pos * 4;
264 	 * The only way to get unaligned free_pos is via
269 	dsb->free_pos = ALIGN(dsb->free_pos, 2);
279 	dsb->ins_start_offset = dsb->free_pos;
283 	intel_dsb_buffer_write(&dsb->dsb_buf, dsb->free_pos++, dsb->ins[0]);
284 	intel_dsb_buffer_write(&dsb->dsb_buf, dsb->free_pos++, dsb->ins[1]);
297 	if (dsb->free_pos == 0)
358 	intel_dsb_buffer_write(&dsb->dsb_buf, dsb->free_pos++, val);
360 	if (dsb->free_pos & 0x1)
361 		intel_dsb_buffer_write(&dsb->dsb_buf, dsb->free_pos, 0);
537 	tail = dsb->free_pos * 4;
541 		intel_dsb_buffer_memset(&dsb->dsb_buf, dsb->free_pos, 0,
544 	dsb->free_pos = aligned_tail / 4;
553 	tail = dsb->free_pos * 4;
561 		intel_dsb_buffer_memset(&dsb->dsb_buf, dsb->free_pos, 0,
564 	dsb->free_pos = aligned_tail / 4;
892 	dsb->free_pos = 0;