static int
nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
{
	struct drm_device *dev = chan->dev;
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct nouveau_bo *pb = chan->pushbuf_bo;
	struct nouveau_gpuobj *pushbuf = NULL;
	uint32_t start = pb->bo.mem.mm_node->start << PAGE_SHIFT;
	int ret;

	if (pb->bo.mem.mem_type == TTM_PL_TT) {
		ret = nouveau_gpuobj_gart_dma_new(chan, 0,
						  dev_priv->gart_info.aper_size,
						  NV_DMA_ACCESS_RO, &pushbuf,
						  NULL);
		chan->pushbuf_base = start;
	} else
	if (dev_priv->card_type != NV_04) {
		ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0,
					     dev_priv->fb_available_size,
					     NV_DMA_ACCESS_RO,
					     NV_DMA_TARGET_VIDMEM, &pushbuf);
		chan->pushbuf_base = start;
	} else {
		/* NV04 cmdbuf hack, from original ddx.. not sure of it's
		 * exact reason for existing :)  PCI access to cmdbuf in
		 * VRAM.
		 */
		ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY,
					     drm_get_resource_start(dev, 1),
					     dev_priv->fb_available_size,
					     NV_DMA_ACCESS_RO,
					     NV_DMA_TARGET_PCI, &pushbuf);
		chan->pushbuf_base = start;
	}

	ret = nouveau_gpuobj_ref_add(dev, chan, 0, pushbuf, &chan->pushbuf);
	if (ret) {
		NV_ERROR(dev, "Error referencing pushbuf ctxdma: %d\n", ret);
		if (pushbuf != dev_priv->gart_info.sg_ctxdma)
			nouveau_gpuobj_del(dev, &pushbuf);
		return ret;
	}

	return 0;
}
static int
nouveau_card_init_channel(struct drm_device *dev)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct nouveau_gpuobj *gpuobj;
	int ret;

	ret = nouveau_channel_alloc(dev, &dev_priv->channel,
				    (struct drm_file *)-2,
				    NvDmaFB, NvDmaTT);
	if (ret)
		return ret;

	gpuobj = NULL;
	ret = nouveau_gpuobj_dma_new(dev_priv->channel, NV_CLASS_DMA_IN_MEMORY,
				     0, nouveau_mem_fb_amount(dev),
				     NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM,
				     &gpuobj);
	if (ret)
		goto out_err;

	ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaVRAM,
				     gpuobj, NULL);
	if (ret)
		goto out_err;

	gpuobj = NULL;
	ret = nouveau_gpuobj_gart_dma_new(dev_priv->channel, 0,
					  dev_priv->gart_info.aper_size,
					  NV_DMA_ACCESS_RW, &gpuobj, NULL);
	if (ret)
		goto out_err;

	ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaGART,
				     gpuobj, NULL);
	if (ret)
		goto out_err;

	return 0;
out_err:
	nouveau_gpuobj_del(dev, &gpuobj);
	nouveau_channel_free(dev_priv->channel);
	dev_priv->channel = NULL;
	return ret;
}
示例#3
0
int
nouveau_card_init(struct drm_device *dev)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct nouveau_engine *engine;
	struct nouveau_gpuobj *gpuobj;
	int ret;

	NV_DEBUG(dev, "prev state = %d\n", dev_priv->init_state);

	if (dev_priv->init_state == NOUVEAU_CARD_INIT_DONE)
		return 0;

	/* Determine exact chipset we're running on */
	if (dev_priv->card_type < NV_10)
		dev_priv->chipset = dev_priv->card_type;
	else
		dev_priv->chipset =
			(nv_rd32(dev, NV03_PMC_BOOT_0) & 0x0ff00000) >> 20;

	/* Initialise internal driver API hooks */
	ret = nouveau_init_engine_ptrs(dev);
	if (ret)
		return ret;
	engine = &dev_priv->engine;
	dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED;

	/* Parse BIOS tables / Run init tables if card not POSTed */
	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
		ret = nouveau_bios_init(dev);
		if (ret)
			return ret;
	}

	ret = nouveau_gpuobj_early_init(dev);
	if (ret)
		return ret;

	/* Initialise instance memory, must happen before mem_init so we
	 * know exactly how much VRAM we're able to use for "normal"
	 * purposes.
	 */
	ret = engine->instmem.init(dev);
	if (ret)
		return ret;

	/* Setup the memory manager */
	ret = nouveau_mem_init(dev);
	if (ret)
		return ret;

	ret = nouveau_gpuobj_init(dev);
	if (ret)
		return ret;

	/* PMC */
	ret = engine->mc.init(dev);
	if (ret)
		return ret;

	/* PTIMER */
	ret = engine->timer.init(dev);
	if (ret)
		return ret;

	/* PFB */
	ret = engine->fb.init(dev);
	if (ret)
		return ret;

	/* PGRAPH */
	ret = engine->graph.init(dev);
	if (ret)
		return ret;

	/* PFIFO */
	ret = engine->fifo.init(dev);
	if (ret)
		return ret;

	/* this call irq_preinstall, register irq handler and
	 * call irq_postinstall
	 */
	ret = drm_irq_install(dev);
	if (ret)
		return ret;

	ret = drm_vblank_init(dev, 0);
	if (ret)
		return ret;

	/* what about PVIDEO/PCRTC/PRAMDAC etc? */

	ret = nouveau_channel_alloc(dev, &dev_priv->channel,
				    (struct drm_file *)-2,
				    NvDmaFB, NvDmaTT);
	if (ret)
		return ret;

	gpuobj = NULL;
	ret = nouveau_gpuobj_dma_new(dev_priv->channel, NV_CLASS_DMA_IN_MEMORY,
				     0, nouveau_mem_fb_amount(dev),
				     NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM,
				     &gpuobj);
	if (ret)
		return ret;

	ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaVRAM,
				     gpuobj, NULL);
	if (ret) {
		nouveau_gpuobj_del(dev, &gpuobj);
		return ret;
	}

	gpuobj = NULL;
	ret = nouveau_gpuobj_gart_dma_new(dev_priv->channel, 0,
					  dev_priv->gart_info.aper_size,
					  NV_DMA_ACCESS_RW, &gpuobj, NULL);
	if (ret)
		return ret;

	ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaGART,
				     gpuobj, NULL);
	if (ret) {
		nouveau_gpuobj_del(dev, &gpuobj);
		return ret;
	}

	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
		if (dev_priv->card_type >= NV_50) {
			ret = nv50_display_create(dev);
			if (ret)
				return ret;
		} else {
			ret = nv04_display_create(dev);
			if (ret)
				return ret;
		}
	}

	ret = nouveau_backlight_init(dev);
	if (ret)
		NV_ERROR(dev, "Error %d registering backlight\n", ret);

	dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;

	if (drm_core_check_feature(dev, DRIVER_MODESET))
		drm_helper_initial_config(dev);

	return 0;
}