On Tue, Sep 3, 2013 at 12:31 AM, Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx> wrote: > This increases the chance slightly that recovery from lockup can happen > succesfully. I'd *really* love to see proof of this. When channels die, all outstanding fences are marked as signalled. This should do absolutely nothing... > > Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx> > --- > drivers/gpu/drm/nouveau/nv84_fence.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c > index 2cf0ade..daf4b18 100644 > --- a/drivers/gpu/drm/nouveau/nv84_fence.c > +++ b/drivers/gpu/drm/nouveau/nv84_fence.c > @@ -122,8 +122,11 @@ nv84_fence_context_del(struct nouveau_channel *chan) > struct drm_device *dev = chan->drm->dev; > struct nv84_fence_priv *priv = chan->drm->fence; > struct nv84_fence_chan *fctx = chan->fence; > + struct nouveau_fifo_chan *fifo = (void *)chan->object; > int i; > > + nouveau_bo_wr32(priv->bo, fifo->chid * 16/4, fctx->base.sequence); > + > for (i = 0; i < dev->mode_config.num_crtc; i++) { > struct nouveau_bo *bo = nv50_display_crtc_sema(dev, i); > nouveau_bo_vma_del(bo, &fctx->dispc_vma[i]); > @@ -168,7 +171,7 @@ nv84_fence_context_new(struct nouveau_channel *chan) > ret = nouveau_bo_vma_add(bo, client->vm, &fctx->dispc_vma[i]); > } > > - nouveau_bo_wr32(priv->bo, fifo->chid * 16/4, 0x00000000); > + fctx->base.sequence = nouveau_bo_rd32(priv->bo, fifo->chid * 16/4); > > if (ret) > nv84_fence_context_del(chan); > -- > 1.8.3.4 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel