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From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Stapelberg <michael@stapelberg.ch>,
	Maxime Ripard <maxime@cerno.tech>,  Emma Anholt <emma@anholt.net>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	 Felix Kuehling <felix.kuehling@amd.com>,
	Dave Airlie <airlied@gmail.com>
Subject: Re: [git pull] drm for 5.14-rc1
Date: Sun, 19 Sep 2021 12:05:06 +0100	[thread overview]
Message-ID: <CADVatmN5EpRshGEPS_JozbFQRXg5w_8LFB3OMP1Ai-ghxd3w4g@mail.gmail.com> (raw)
In-Reply-To: <CAHk-=wjZ_EXdfongpgRV3BrrNm6CX6CmKYT5TixK-nOsaGG81Q@mail.gmail.com>

Hi Linus,

On Sun, Sep 19, 2021 at 12:06 AM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Sat, Sep 18, 2021 at 3:48 PM Sudip Mukherjee
> <sudipm.mukherjee@gmail.com> wrote:
> >
> > Also, I have now tested by reverting those two commits and I still get
> > the same trace on rpi4.
>
> Ok. I'm afraid we really need to have the VC4 people figure it out - I
> count do the two reverts that are reported to fix the RPi3 issue, but
> it looks like the RPi4 pulseaudio issue needs something else.
>
> Any chance you could bisect that?

Done, here is the bisect log:

# bad: [7c636d4d20f8c5acfbfbc60f326fddb0e1cf5daa] Merge tag 'dt-5.15'
of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
# good: [9e9fb7655ed585da8f468e29221f0ba194a5f613] Merge tag
'net-next-5.15' of
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
git bisect start '7c636d4d20f8' '9e9fb7655ed5' '--' 'drivers/gpu/drm/vc4/'
# good: [776efe800feda95a29cefecce1ce36cc27d70b29] drm/vc4: hdmi: Drop
devm interrupt handler for hotplug interrupts
git bisect good 776efe800feda95a29cefecce1ce36cc27d70b29
# bad: [588b3eee528873d73bf777f329d35b2e65e24777] Merge tag
'drm-misc-next-2021-07-16' of
git://anongit.freedesktop.org/drm/drm-misc into drm-next
git bisect bad 588b3eee528873d73bf777f329d35b2e65e24777
# bad: [27da370e0fb343a0baf308f503bb3e5dcdfe3362] drm/vc4: hdmi:
Remove drm_encoder->crtc usage
git bisect bad 27da370e0fb343a0baf308f503bb3e5dcdfe3362
# good: [44fe9f90eb9d2533d049b4ba09540eed6cad9f49] drm/vc4: hdmi: Only
call into DRM framework if registered
git bisect good 44fe9f90eb9d2533d049b4ba09540eed6cad9f49
# first bad commit: [27da370e0fb343a0baf308f503bb3e5dcdfe3362]
drm/vc4: hdmi: Remove drm_encoder->crtc usage

And indeed, reverting 27da370e0fb3 ("drm/vc4: hdmi: Remove
drm_encoder->crtc usage") on top of d4d016caa4b8 ("alpha: move
__udiv_qrnnd library function to arch/alpha/lib/")
has fixed the error.


-- 
Regards
Sudip

  reply	other threads:[~2021-09-19 11:05 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-01  4:34 Dave Airlie
2021-07-01  4:34 ` Dave Airlie
2021-07-01 20:15 ` Linus Torvalds
2021-07-01 20:15   ` Linus Torvalds
2021-07-01 21:31   ` Felix Kuehling
2021-07-01 21:31     ` Felix Kuehling
2021-09-18  9:18   ` Michael Stapelberg
2021-09-18 10:09     ` Simon Ser
2021-09-18 19:24     ` Linus Torvalds
2021-09-18 20:13       ` Michael Stapelberg
2021-09-18 22:12         ` Linus Torvalds
2021-09-19  7:26           ` Michael Stapelberg
2021-09-18 22:00       ` Sudip Mukherjee
2021-09-18 22:15         ` Linus Torvalds
2021-09-18 22:47           ` Sudip Mukherjee
2021-09-18 23:06             ` Linus Torvalds
2021-09-19 11:05               ` Sudip Mukherjee [this message]
2021-09-19 17:19                 ` Linus Torvalds
2021-09-20 12:17                   ` Maxime Ripard
2021-09-20 12:50                     ` Sudip Mukherjee
2021-09-20 17:10                     ` Linus Torvalds
2021-09-20 17:32                       ` Maxime Ripard
2021-09-20 17:47                         ` Linus Torvalds
2021-09-22 11:54                           ` Maxime Ripard
2021-09-20  8:55     ` Maxime Ripard
2021-09-20 12:18       ` Maxime Ripard
2021-07-01 20:24 ` pr-tracker-bot
2021-07-01 20:24   ` pr-tracker-bot

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