On Fri, Jan 27, 2017 at 11:33:04AM +0100, Lucas Stach wrote: > The fence needs to be cleared out, otherwise the following commit > might wait on a stale fence from the previous commit. This was fixed > as a side effect of 9626014258a5 (drm/fence: add in-fences support) > in kernel 4.10. > > As this commit introduces new functionality and as such can not be > applied to stable, this patch is the minimal fix for the kernel 4.9 > stable series. > > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> Stable teams, please apply. Thanks, Daniel > --- > drivers/gpu/drm/drm_atomic_helper.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c > index 21f992605541..8ace20a5bf64 100644 > --- a/drivers/gpu/drm/drm_atomic_helper.c > +++ b/drivers/gpu/drm/drm_atomic_helper.c > @@ -3113,6 +3113,8 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, > > if (state->fb) > drm_framebuffer_reference(state->fb); > + > + state->fence = NULL; > } > EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state); > > -- > 2.11.0 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html