On Thu, Jul 21, 2016 at 05:27:06PM +0100, Chris Wilson wrote:
> On Thu, Jul 21, 2016 at 05:18:17PM +0300, Joonas Lahtinen wrote:
> > On ke, 2016-07-20 at 14:12 +0100, Chris Wilson wrote:
> > > static const struct intel_renderstate_rodata *
> > > render_state_get_rodata(const int gen)
> > > {
> > > @@ -51,6 +60,7 @@ static int render_state_init(struct render_state *so,
> > > int ret;
> > >
> > > so->gen = INTEL_GEN(dev_priv);
> > > + so->ggtt_offset = 0;
> >
> > Previousy not done, does it address a bug? It's going to get
> > overwritten or the render_state has failed to initialize and is
> > forgotten, no? If it fixes bug, I think the site fondling uninitialized
> > object should be fixed.
>
> No, nothing is using it indeed. I can't remember why I added it.
Oh, because of gcc.
drivers/gpu/drm/i915/i915_gem_render_state.c: In function ‘i915_gem_render_state_init’:
drivers/gpu/drm/i915/i915_gem_render_state.c:246:6: error: ‘so.ggtt_offset’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
ret = req->engine->emit_bb_start(req, so.ggtt_offset,
--
Chris Wilson, Intel Open Source Technology Centre
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