Re: [git pull] drm fixes

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On Mon, Mar 23, 2015 at 02:34:27PM -0400, Josh Boyer wrote:
> On Mon, Mar 23, 2015 at 11:33 AM, Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx> wrote:
> 
> <snip>
> 
> >> Xi Ruoyao (1):
> >>       drm/i915: Ensure plane->state->fb stays in sync with plane->fb
> 
> Turns out to be that commit.
> 
> git bisect start 'drivers/gpu/drm/i915/'
> # good: [b314acaccd7e0d55314d96be4a33b5f50d0b3344] Merge branch
> 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
> git bisect good b314acaccd7e0d55314d96be4a33b5f50d0b3344
> # bad: [bc465aa9d045feb0e13b4a8f32cc33c1943f62d6] Linux 4.0-rc5
> git bisect bad bc465aa9d045feb0e13b4a8f32cc33c1943f62d6
> # bad: [319c1d420a0b62d9dbb88104afebaabc968cdbfa] drm/i915: Ensure
> plane->state->fb stays in sync with plane->fb
> git bisect bad 319c1d420a0b62d9dbb88104afebaabc968cdbfa
> # first bad commit: [319c1d420a0b62d9dbb88104afebaabc968cdbfa]
> drm/i915: Ensure plane->state->fb stays in sync with plane->fb
> 
> Doing a straight revert on top of 4.0-rc5 makes things work again,
> albeit with the WARN_ON(obj->frontbuffer_bits) splat still being
> there.

Can you please test the tip of drm-fixes:

commit 8218c3f4df3bb1c637c17552405039a6dd3c1ee1
Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date:   Fri Feb 27 12:58:13 2015 +0100

    drm: Fixup racy refcounting in plane_force_disable

http://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-fixes&id=8218c3f4df3bb1c637c17552405039a6dd3c1ee1

Because fumble that patch didn't make it to drm-fixes a while ago and
instead landed in drm-next.

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