On Fri, Oct 04, 2019 at 03:25:00PM +0300, Lionel Landwerlin wrote:
> On 04/10/2019 15:16, Zbigniew Kempczyński wrote:
> > Remove dead code, likely overseened during review process.
> >
> > Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczyn...@intel.com>
> > Cc: Chunming Zhou <david1.z...@amd.com>
> > Cc: Daniel Vetter <dan...@ffwll.ch>
> > Cc: Jason Ekstrand <ja...@jlekstrand.net>
> > ---
> > drivers/gpu/drm/drm_syncobj.c | 4 ----
> > 1 file changed, 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
> > index 4b5c7b0ed714..21a22e39c9fa 100644
> > --- a/drivers/gpu/drm/drm_syncobj.c
> > +++ b/drivers/gpu/drm/drm_syncobj.c
> > @@ -192,8 +192,6 @@ static void drm_syncobj_fence_add_wait(struct
> > drm_syncobj *syncobj,
> > if (!fence || dma_fence_chain_find_seqno(&fence, wait->point)) {
> > dma_fence_put(fence);
> > list_add_tail(&wait->node, &syncobj->cb_list);
> > - } else if (!fence) {
> > - wait->fence = dma_fence_get_stub();
> > } else {
> > wait->fence = fence;
> > }
> > @@ -856,8 +854,6 @@ static void syncobj_wait_syncobj_func(struct
> > drm_syncobj *syncobj,
> > if (!fence || dma_fence_chain_find_seqno(&fence, wait->point)) {
> > dma_fence_put(fence);
> > return;
> > - } else if (!fence) {
> > - wait->fence = dma_fence_get_stub();
> > } else {
> > wait->fence = fence;
> > }
>
> Like Chris said, dma_fence_chain_find_seqno() will update the fence pointer,
> so a subsequent check might not be dealing with the same value.
>
> A bit cheeky, but...
Feels like warrants a comment, I missed this one too. Maybe even extract
it into one common function since it's the same code in both places?
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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