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

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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.


>>> I've pushed the patch to drm-misc-fixes so that the issue is fixed in
>>> 4.12-rc3.
>>
>> I don't think there was any particular need to bypass the normal radeon
>> tree for this. There was plenty of time for the fix to get into 4.12
>> final, even after Alex is back.
> 
> Well, it wouldn't be nice towards users affected by the same issue
> who may waste time with bisecting to just sit on a fix twiddling thumbs.

We all tend to think our latest fix is the most important one. :) But I
really don't see this one being special.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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