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

Michel Dänzer michel at daenzer.net
Tue May 23 03:09:49 UTC 2017

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 at gmail.com>
>>> Fixes: 7ffb0ce31cf9 ("drm/radeon: Don't register Thunderbolt eGPU with vga_switcheroo")
>>> Signed-off-by: Lukas Wunner <lukas at wunner.de>
>>> ---
>>> 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 at gmail.com>
>> 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.

> 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.

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

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