289 	drm_mga_prim_buf_t *prim_buffer;  in mga_init_primary_bufs()  local
319 	   	prim_buffer = drm_alloc(sizeof(drm_mga_prim_buf_t),  in mga_init_primary_bufs()
321 	   	if(prim_buffer == NULL) return -ENOMEM;  in mga_init_primary_bufs()
322 	   	memset(prim_buffer, 0, sizeof(drm_mga_prim_buf_t));  in mga_init_primary_bufs()
323 	   	prim_buffer->phys_head = offset + dev->agp->base;  in mga_init_primary_bufs()
324 	   	prim_buffer->current_dma_ptr =  in mga_init_primary_bufs()
325 			prim_buffer->head =  in mga_init_primary_bufs()
329 	   	prim_buffer->num_dwords = 0;  in mga_init_primary_bufs()
330 	   	prim_buffer->max_dwords = size_of_buf / sizeof(u32);  in mga_init_primary_bufs()
331 	   	prim_buffer->max_dwords -= 5; /* Leave room for the softrap */  in mga_init_primary_bufs()
332 	   	prim_buffer->sec_used = 0;  in mga_init_primary_bufs()
333 	   	prim_buffer->idx = i;  in mga_init_primary_bufs()
334 		prim_buffer->prim_age = i + 1;  in mga_init_primary_bufs()
336 	   	dev_priv->prim_bufs[i] = prim_buffer;  in mga_init_primary_bufs()
429    	drm_mga_prim_buf_t *prim_buffer;  in mga_advance_primary()  local
441    	prim_buffer = dev_priv->prim_bufs[next_prim_idx];  in mga_advance_primary()
446    	if(test_and_set_bit(MGA_BUF_IN_USE, &prim_buffer->buffer_status)) {  in mga_advance_primary()
452 					     &prim_buffer->buffer_status))  in mga_advance_primary()
469    	prim_buffer->current_dma_ptr = prim_buffer->head;  in mga_advance_primary()
470    	prim_buffer->num_dwords = 0;  in mga_advance_primary()
471    	prim_buffer->sec_used = 0;  in mga_advance_primary()
472 	prim_buffer->prim_age = dev_priv->next_prim_age++;  in mga_advance_primary()
473 	if(prim_buffer->prim_age == 0 || prim_buffer->prim_age == 0xffffffff) {  in mga_advance_primary()
477 		prim_buffer->prim_age = (dev_priv->next_prim_age += 2);  in mga_advance_primary()
481 	clear_bit(MGA_BUF_NEEDS_OVERFLOW, &prim_buffer->buffer_status);  in mga_advance_primary()
482 	clear_bit(MGA_BUF_FORCE_FIRE, &prim_buffer->buffer_status);  in mga_advance_primary()
483 	clear_bit(MGA_BUF_SWAP_PENDING, &prim_buffer->buffer_status);  in mga_advance_primary()
485    	dev_priv->current_prim = prim_buffer;  in mga_advance_primary()