C++ (Cpp) nouveau_bo_rd32 Examples

Example #1

File: nouveau_nv84_fence.c Project: ryo/netbsd-src

static u32
nv84_fence_read(struct nouveau_channel *chan)
{
	struct nouveau_fifo_chan *fifo = (void *)chan->object;
	struct nv84_fence_priv *priv = chan->drm->fence;
	return nouveau_bo_rd32(priv->bo, fifo->chid * 16/4);
}

Example #2

File: nouveau_dma.c Project: ryo/netbsd-src

void
nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo,
              int delta, int length)
{
    struct nouveau_bo *pb = chan->push.buffer;
    struct nouveau_vma *vma;
    int ip = (chan->dma.ib_put * 2) + chan->dma.ib_base;
    u64 offset;

    vma = nouveau_bo_vma_find(bo, nv_client(chan->cli)->vm);
    BUG_ON(!vma);
    offset = vma->offset + delta;

    BUG_ON(chan->dma.ib_free < 1);

    nouveau_bo_wr32(pb, ip++, lower_32_bits(offset));
    nouveau_bo_wr32(pb, ip++, upper_32_bits(offset) | length << 8);

    chan->dma.ib_put = (chan->dma.ib_put + 1) & chan->dma.ib_max;

    mb();
    /* Flush writes. */
    nouveau_bo_rd32(pb, 0);

    nv_wo32(chan->object, 0x8c, chan->dma.ib_put);
    chan->dma.ib_free--;
}

Example #3

File: nouveau_fbcon.c Project: 125radheyshyam/linux

static int
nouveau_fbcon_sync(struct fb_info *info)
{
	struct nouveau_fbdev *nfbdev = info->par;
	struct drm_device *dev = nfbdev->dev;
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct nouveau_channel *chan = dev_priv->channel;
	int ret, i;

	if (!chan || !chan->accel_done || in_interrupt() ||
	    info->state != FBINFO_STATE_RUNNING ||
	    info->flags & FBINFO_HWACCEL_DISABLED)
		return 0;

	if (!mutex_trylock(&chan->mutex))
		return 0;

	ret = RING_SPACE(chan, 4);
	if (ret) {
		mutex_unlock(&chan->mutex);
		nouveau_fbcon_gpu_lockup(info);
		return 0;
	}

	if (dev_priv->card_type >= NV_C0) {
		BEGIN_NVC0(chan, 2, NvSub2D, 0x010c, 1);
		OUT_RING  (chan, 0);
		BEGIN_NVC0(chan, 2, NvSub2D, 0x0100, 1);
		OUT_RING  (chan, 0);
	} else {
		BEGIN_RING(chan, 0, 0x0104, 1);
		OUT_RING  (chan, 0);
		BEGIN_RING(chan, 0, 0x0100, 1);
		OUT_RING  (chan, 0);
	}

	nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3, 0xffffffff);
	FIRE_RING(chan);
	mutex_unlock(&chan->mutex);

	ret = -EBUSY;
	for (i = 0; i < 100000; i++) {
		if (!nouveau_bo_rd32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3)) {
			ret = 0;
			break;
		}
		DRM_UDELAY(1);
	}

	if (ret) {
		nouveau_fbcon_gpu_lockup(info);
		return 0;
	}

	chan->accel_done = false;
	return 0;
}

Example #4

File: nv84_fence.c Project: 020gzh/linux

static bool
nv84_fence_suspend(struct nouveau_drm *drm)
{
	struct nv84_fence_priv *priv = drm->fence;
	int i;

	priv->suspend = vmalloc(priv->base.contexts * sizeof(u32));
	if (priv->suspend) {
		for (i = 0; i < priv->base.contexts; i++)
			priv->suspend[i] = nouveau_bo_rd32(priv->bo, i*4);
	}

	return priv->suspend != NULL;
}

Example #5

File: nv84_fence.c Project: AlexShiLucky/linux

static bool
nv84_fence_suspend(struct nouveau_drm *drm)
{
	struct nv84_fence_priv *priv = drm->fence;
	int i;

	priv->suspend = vmalloc(array_size(sizeof(u32), drm->chan.nr));
	if (priv->suspend) {
		for (i = 0; i < drm->chan.nr; i++)
			priv->suspend[i] = nouveau_bo_rd32(priv->bo, i*4);
	}

	return priv->suspend != NULL;
}

Example #6

File: nouveau_nv84_fence.c Project: ryo/netbsd-src

static bool
nv84_fence_suspend(struct nouveau_drm *drm)
{
	struct nouveau_fifo *pfifo = nouveau_fifo(drm->device);
	struct nv84_fence_priv *priv = drm->fence;
	int i;

	priv->suspend = vmalloc((pfifo->max + 1) * sizeof(u32));
	if (priv->suspend) {
		for (i = 0; i <= pfifo->max; i++)
			priv->suspend[i] = nouveau_bo_rd32(priv->bo, i*4);
	}

	return priv->suspend != NULL;
}

Example #7

File: nouveau_fbcon.c Project: wucan/pscnv

static int
nouveau_fbcon_sync(struct fb_info *info)
{
#if 0
	struct nouveau_fbdev *nfbdev = info->par;
	struct drm_device *dev = nfbdev->dev;
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct nouveau_channel *chan = dev_priv->channel;
	int ret, i;

	if (!chan || !chan->accel_done ||
	    info->state != FBINFO_STATE_RUNNING ||
	    info->flags & FBINFO_HWACCEL_DISABLED)
		return 0;

	if (RING_SPACE(chan, 4)) {
		nouveau_fbcon_gpu_lockup(info);
		return 0;
	}

	BEGIN_RING(chan, 0, 0x0104, 1);
	OUT_RING(chan, 0);
	BEGIN_RING(chan, 0, 0x0100, 1);
	OUT_RING(chan, 0);
	nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy + 3, 0xffffffff);
	FIRE_RING(chan);

	ret = -EBUSY;
	for (i = 0; i < 100000; i++) {
		if (!nouveau_bo_rd32(chan->notifier_bo, chan->m2mf_ntfy + 3)) {
			ret = 0;
			break;
		}
		DRM_UDELAY(1);
	}

	if (ret) {
		nouveau_fbcon_gpu_lockup(info);
		return 0;
	}

	chan->accel_done = false;
#endif
	return 0;
}

Example #8

File: nouveau_dma.c Project: Lyude/linux

void
nv50_dma_push(struct nouveau_channel *chan, u64 offset, int length)
{
	struct nvif_user *user = &chan->drm->client.device.user;
	struct nouveau_bo *pb = chan->push.buffer;
	int ip = (chan->dma.ib_put * 2) + chan->dma.ib_base;

	BUG_ON(chan->dma.ib_free < 1);

	nouveau_bo_wr32(pb, ip++, lower_32_bits(offset));
	nouveau_bo_wr32(pb, ip++, upper_32_bits(offset) | length << 8);

	chan->dma.ib_put = (chan->dma.ib_put + 1) & chan->dma.ib_max;

	mb();
	/* Flush writes. */
	nouveau_bo_rd32(pb, 0);

	nvif_wr32(&chan->user, 0x8c, chan->dma.ib_put);
	if (user->func && user->func->doorbell)
		user->func->doorbell(user, chan->chid);
	chan->dma.ib_free--;
}

Example #9

File: nv84_fence.c Project: 020gzh/linux

static u32
nv84_fence_read(struct nouveau_channel *chan)
{
	struct nv84_fence_priv *priv = chan->drm->fence;
	return nouveau_bo_rd32(priv->bo, chan->chid * 16/4);
}