84 	primary->tail = 0;  in mga_do_dma_reset()
106 	u32 head, tail;  in mga_do_dma_flush()  local
120 	if (primary->tail == primary->last_flush) {  in mga_do_dma_flush()
125 	tail = primary->tail + dev_priv->primary->offset;  in mga_do_dma_flush()
139 	primary->last_flush = primary->tail;  in mga_do_dma_flush()
143 	if (head <= tail)  in mga_do_dma_flush()
144 		primary->space = primary->size - primary->tail;  in mga_do_dma_flush()
146 		primary->space = head - tail;  in mga_do_dma_flush()
149 	DRM_DEBUG("   tail = 0x%06lx\n", (unsigned long)(tail - dev_priv->primary->offset));  in mga_do_dma_flush()
153 	MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);  in mga_do_dma_flush()
161 	u32 head, tail;  in mga_do_dma_wrap_start()  local
173 	tail = primary->tail + dev_priv->primary->offset;  in mga_do_dma_wrap_start()
175 	primary->tail = 0;  in mga_do_dma_wrap_start()
187 	DRM_DEBUG("   tail = 0x%06x\n", primary->tail);  in mga_do_dma_wrap_start()
192 	MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);  in mga_do_dma_wrap_start()
275 			dev_priv->tail = entry;  in mga_freelist_init()
301 	dev_priv->head = dev_priv->tail = NULL;  in mga_freelist_cleanup()
327 	drm_mga_freelist_t *tail = dev_priv->tail;  in mga_freelist_get()  local
335 		  tail->age.head ?  in mga_freelist_get()
336 		  (unsigned long)(tail->age.head - dev_priv->primary->offset) : 0,  in mga_freelist_get()
337 		  tail->age.wrap);  in mga_freelist_get()
341 	if (TEST_AGE(&tail->age, head, wrap)) {  in mga_freelist_get()
342 		prev = dev_priv->tail->prev;  in mga_freelist_get()
343 		next = dev_priv->tail;  in mga_freelist_get()
346 		dev_priv->tail = prev;  in mga_freelist_get()
371 		prev = dev_priv->tail;  in mga_freelist_put()
918 	dev_priv->prim.tail = 0;  in mga_do_init_dma()