Re: [PATCH] drm/radeon: Fix oops upon driver load on PowerXpress laptops

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On Tue, May 23, 2017 at 09:36:44AM +0200, Daniel Vetter wrote:
> On Tue, May 23, 2017 at 09:32:38AM +0200, Christian König wrote:
> > Am 23.05.2017 um 05:55 schrieb Michel Dänzer:
> > > On 23/05/17 12:50 PM, Lukas Wunner wrote:
> > > > On Tue, May 23, 2017 at 12:09:49PM +0900, Michel Dänzer wrote:
> > > > > On 22/05/17 11:04 PM, Lukas Wunner wrote:
> > > > > > On Sun, May 21, 2017 at 09:31:09AM +0200, Nicolai Stange wrote:
> > > > > > > On Thu, May 18 2017, Lukas Wunner wrote:
> > > > > > [snip]
> > > > > > > > Reported-by: Nicolai Stange <nicstange@xxxxxxxxx>
> > > > > > > > Fixes: 7ffb0ce31cf9 ("drm/radeon: Don't register Thunderbolt eGPU with vga_switcheroo")
> > > > > > > > Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
> > > > > > > > ---
> > > > > > > > 
> > > > > > > > Awaiting a Tested-by: from Nicolai, but it's clear this is a bug and
> > > > > > > > needs to be fixed, so sending out with a proper commit message now.
> > > > > > > > The bug was only introduced to radeon, not amdgpu.
> > > > > > > Tested-by: Nicolai Stange <nicstange@xxxxxxxxx>
> > > > > > > 
> > > > > > > Thanks for the quick fix!
> > > > > > > 
> > > > > > > > @Alex Deucher: I could push this to drm-misc-fixes but then it wouldn't
> > > > > > > > land before -rc3 because Sean Paul has already sent out the -rc2 pull.
> > > > > > > > I notice you haven't sent out a pull for -rc2 yet, so maybe you want to
> > > > > > > > take it yourself?  Whichever you prefer.  Thanks & sorry for the breakage!
> > > > > > I've learned this morning that Alex is on vacation.
> > > > > Christian König is standing in for Alex.
> > > > By his own account, he already has "all hands full replacing him [Alex]",
> > > > explicitly asked Daniel to merge an amdgpu patch through drm-misc-next for
> > > > this reason and lacks permission to update branches in Alex' repo on fdo:
> > > > 
> > > > "One lesson learned from the past week is that Alex needs to stop using
> > > > his personal repository on fdo.
> > > > We were asked a couple of times if I couldn't update a branch there from
> > > > different directions, which we obviously can't do."
> > > > 
> > > > https://lists.freedesktop.org/archives/dri-devel/2017-May/142376.html
> > > > https://lists.freedesktop.org/archives/dri-devel/2017-May/142380.html
> > > The important point being that Christian reviewed that patch and
> > > explicitly asked Daniel to pick it up.
> > 
> > Wow, wait a second. I'm just catching up on this thread.
> > 
> > Lukas didn't committed the patch to drm-misc without a review, didn't you?
> > 
> > I was intentionally holding back a rb because that isn't my field of
> > expertise and I was only briefly involved in the original patch. Alex should
> > be back by the end of the week, so no need for a rush like that.
> > 
> > Daniels patch was a global cleanup of include path done by search and
> > replace a complete different story.
> 
> Want me to drop the patch until Alex is back? We're generally trying
> really hard to refrain from rebasing drm-misc branches, but for -fixes
> it's doable (since much less patch traffic there).

Also, I guess putting this as requirement number one in the drm-misc docs
wasn't visible enough:

"Patch is properly reviewed or at least Ack, i.e. don't just push your own
stuff directly."

It would be nice if we could check this somehow using scripting, but since
we add the r-b/a-b tags only after they're applied that's a bit hard to
pull off. Maybe a sanity check when pushing that all the new patches
authored by the committer have an r-b/a-b would be useful ... Lukas, can
you pls look into that?

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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