Re: RFC: group maintainership for misc drm trees

From: Jani Nikula <jani.nikula@linux.intel.com>
To: Daniel Vetter <daniel.vetter@ffwll.ch>, Dave Airlie <airlied@gmail.com>
Cc: dri-devel <dri-devel@lists.freedesktop.org>
Subject: Re: RFC: group maintainership for misc drm trees
Date: Tue, 16 Feb 2016 11:06:04 +0200	[thread overview]
Message-ID: <87k2m5yqgz.fsf@intel.com> (raw)
In-Reply-To: <CAKMK7uF5n85eusfJ7irhehOZqpUFvCXJRnNW1b-HOhPRf_ho3Q@mail.gmail.com>

On Tue, 16 Feb 2016, Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
> On Tue, Feb 16, 2016 at 2:44 AM, Dave Airlie <airlied@gmail.com> wrote:
>> I'm finding with i915 for example there is a massive latency in the pipeline now
>> waiting for fixes, and the pipeline to the end of drm-intel-next is
>> very long and
>> hard to figure out what fixes should be pulled back, and how much of the
>> driver has been rewritten between the -next and the -fixes pulls.
>
> I think this is a separate topic, so I'm making that into my own reply.
>
> What's your target here, or what would you like to see changed? More
> transparency in how -fixes flow to drm-fixes ultimately? For you, or
> for the fix submittter?
>
> We've discussed this already on irc in the context of Lyude's patches,
> and those showed up on intel-gfx on 2nd/4th Feb and landed in your
> inbox as a pull request on 14th, so about 10 days. And most of that
> was because I was at LCA. Some intel-written fixes got delayed a bit
> more because CI was down in-between, too. But now that we have CI
> (even though just basic) I really don't want to ignore it, since the
> past two times it was down an unrelated overlapping regression crept
> into drm-intel-next. And that's just pain. Given that I think we're
> definitely not doing things perfectly (Jani needs a reminder for
> timely pull requests), but overall it seems to work ok. And lots more
> patches seem to flow to -fixes I think.

I certainly have room for improvement on sending timely fixes pull
requests, no question.

Perhaps we did get some fixes through faster before. But we also dropped
more fixes on the floor and we had less confidence in them. Now they all
go through the CI and get applied to our next, meaning even the ones
that aren't cherry-picked for the fixes fast path will eventually make
it. At least I have more confidence in the fixes pulls I send now than
six months ago, and any latency introduced by waiting for CI is IMO
worth it.

BR,
Jani.

-- 
Jani Nikula, Intel Open Source Technology Center
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