106 	u32 head, tail;  in mga_do_dma_flush()  local
141 	head = MGA_READ(MGA_PRIMADDRESS);  in mga_do_dma_flush()
143 	if (head <= tail)  in mga_do_dma_flush()
146 		primary->space = head - tail;  in mga_do_dma_flush()
148 	DRM_DEBUG("   head = 0x%06lx\n", (unsigned long)(head - dev_priv->primary->offset));  in mga_do_dma_flush()
161 	u32 head, tail;  in mga_do_dma_wrap_start()  local
179 	head = MGA_READ(MGA_PRIMADDRESS);  in mga_do_dma_wrap_start()
181 	if (head == dev_priv->primary->offset)  in mga_do_dma_wrap_start()
184 		primary->space = head - dev_priv->primary->offset;  in mga_do_dma_wrap_start()
186 	DRM_DEBUG("   head = 0x%06lx\n", (unsigned long)(head - dev_priv->primary->offset));  in mga_do_dma_wrap_start()
202 	u32 head = dev_priv->primary->offset;  in mga_do_dma_wrap_end()  local
209 	MGA_WRITE(MGA_PRIMADDRESS, head | MGA_DMA_GENERAL);  in mga_do_dma_wrap_end()
235 	for (entry = dev_priv->head->next; entry; entry = entry->next) {  in mga_freelist_print()
237 			 entry, entry->buf->idx, entry->age.head,  in mga_freelist_print()
238 			 (unsigned long)(entry->age.head - dev_priv->primary->offset));  in mga_freelist_print()
253 	dev_priv->head = kzalloc(sizeof(drm_mga_freelist_t), GFP_KERNEL);  in mga_freelist_init()
254 	if (dev_priv->head == NULL)  in mga_freelist_init()
257 	SET_AGE(&dev_priv->head->age, MGA_BUFFER_USED, 0);  in mga_freelist_init()
267 		entry->next = dev_priv->head->next;  in mga_freelist_init()
268 		entry->prev = dev_priv->head;  in mga_freelist_init()
272 		if (dev_priv->head->next != NULL)  in mga_freelist_init()
273 			dev_priv->head->next->prev = entry;  in mga_freelist_init()
281 		dev_priv->head->next = entry;  in mga_freelist_init()
294 	entry = dev_priv->head;  in mga_freelist_cleanup()
301 	dev_priv->head = dev_priv->tail = NULL;  in mga_freelist_cleanup()
328 	u32 head, wrap;  in mga_freelist_get()  local
331 	head = MGA_READ(MGA_PRIMADDRESS);  in mga_freelist_get()
335 		  tail->age.head ?  in mga_freelist_get()
336 		  (unsigned long)(tail->age.head - dev_priv->primary->offset) : 0,  in mga_freelist_get()
339 		  (unsigned long)(head - dev_priv->primary->offset), wrap);  in mga_freelist_get()
341 	if (TEST_AGE(&tail->age, head, wrap)) {  in mga_freelist_get()
359 	drm_mga_freelist_t *head, *entry, *prev;  in mga_freelist_put()  local
362 		  (unsigned long)(buf_priv->list_entry->age.head -  in mga_freelist_put()
367 	head = dev_priv->head;  in mga_freelist_put()
369 	if (buf_priv->list_entry->age.head == MGA_BUFFER_USED) {  in mga_freelist_put()
376 		prev = head->next;  in mga_freelist_put()
377 		head->next = entry;  in mga_freelist_put()
379 		entry->prev = head;  in mga_freelist_put()
551 		list_for_each_entry(_entry, &dev->maplist, head) {  in mga_do_agp_dma_bootstrap()
912 	dev_priv->sarea_priv->last_frame.head = 0;  in mga_do_init_dma()
988 		if (dev_priv->head != NULL)  in mga_do_cleanup_dma()