Re: [PATCH 09/42] drm/i915: Make intel_modeset_fixup_state similar to the atomic helper.

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On Tue, May 12, 2015 at 02:41:17PM +0200, Maarten Lankhorst wrote:
> Op 12-05-15 om 08:59 schreef Daniel Vetter:
> > On Mon, May 11, 2015 at 04:24:45PM +0200, Maarten Lankhorst wrote:
> >> This should be safe.
> > Usual request: A few more details about what you've changed to help guide
> > the review would be great. E.g. which functions from the atomic helpers
> > you're trying to copy here exactly.
> That's in the diff. :-)

Indeed ;-)

> > It looks like this models set_routing_links. I think it would be rather
> > useful to expose this to drivers as a helper function, maybe with a more
> > useful name like drm_atomic_helper_update_legacy_state or similar.
> I think you're right about this one.
> > Another thing I've noticed is that atomic helpers lost the call to
> > drm_calc_timestamping_constants. Would be good to add that to the same
> > function.
> Yeah, but the precise vblanking stuff is not really atomic friendly,
> so I'm not sure it should be done outside the driver.

Hm what's unfriendly about it? It's definitely a regression to not update
the constants needed by it compared to crtc helpers. I'll go about and fix
that now.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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