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Date:   Wed, 25 Jan 2017 13:54:32 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Michel Dänzer <michel@...nzer.net>,
        Dave Airlie <airlied@...il.com>
Cc:     Markus Trippelsdorf <markus@...ppelsdorf.de>,
        Dave Airlie <airlied@...il.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        LKML <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [git pull] drm fixes for 4.10-rc6 (just missed rc5 tagging :-)

On Wed, Jan 25, 2017 at 06:10:57PM +0900, Michel Dänzer wrote:
> On 25/01/17 05:33 PM, Markus Trippelsdorf wrote:
> > On 2017.01.23 at 09:38 +1000, Dave Airlie wrote:
> >> ----------------------------------------------------------------
> >> Alex Deucher (8):
> >>       drm/radeon/si: load special ucode for certain MC configs
> >>       drm/amdgpu/si: load special ucode for certain MC configs
> >>       drm/amdgpu: drop oland quirks
> >>       drm/amdgpu: drop the mclk quirk for hainan
> >>       drm/radeon: drop oland quirks
> >>       drm/radeon: drop the mclk quirk for hainan
> >>       drm/radeon: add support for new hainan variants
> >>       drm/amdgpu: add support for new hainan variants
> > 
> > Since the merge I get the following warning during boot:
> 
> [...]
> 
> > [    2.627043] WARNING: CPU: 0 PID: 1 at ./include/drm/drm_crtc.h:857 drm_kms_helper_poll_init+0x127/0x140
> 
> This is likely due to
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3846fd9b86001bea171943cc3bb9222cb6da6b42
> 
> Daniel, please take a look.

Yup, I butchered this badly. The patch is correct, it also references the
right commits and if those commits would all be in 4.10 it would even
work. But the connector_list locking rework is only in drm-next, which
means it's totally not working :(

Dave, can you pls revert this in drm-fixes and re-apply to drm-next, and
then when you backmerge -fixes into -next make sure git doesn't drop it on
the floor? Or maybe for safety do it the other way round:
- first revert on drm-fixes
- then backmerge
- then reapply to drm-next.

Sorry for this mess ...
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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