Am 07.04.2017 um 12:52 schrieb Monk Liu: > Change-Id: Ib7a03f3cf5594deeb4ad333cc59b47a6bddfd1ad > Signed-off-by: Monk Liu <Monk.Liu at amd.com> NAK, that is a not backward compatible change to the IOCTL interface. And BTW what's the background of it? Christian. > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c > index 6d86eae..b8c11fe 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c > @@ -277,6 +277,9 @@ struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx, > > spin_lock(&ctx->ring_lock); > > + if (!seq) > + seq = ctx->rings[ring->idx].sequence - 1; > + > if (seq >= cring->sequence) { > spin_unlock(&ctx->ring_lock); > return ERR_PTR(-EINVAL);