* 4.10 regression drm/i915: BUG/oops on lid open
@ 2017-01-15 10:39 Stefan Seyfried
2017-01-15 12:58 ` [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume Chris Wilson
2017-01-15 13:24 ` ✓ Fi.CI.BAT: success for " Patchwork
0 siblings, 2 replies; 8+ messages in thread
From: Stefan Seyfried @ 2017-01-15 10:39 UTC (permalink / raw)
To: Chris Wilson; +Cc: LKML
Hi all,
Since 4.10-rc1 I'm getting this on lid close/open on my trusty old
ThinkPad X200s:
pci 0000:00:1e.0: PCI bridge to [bus 0d]
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: intel_display_resume+0xaf/0x120 [i915]
PGD 22b99b067
PUD 22b99a067
PMD 0
Oops: 0002 [#1] PREEMPT SMP
Modules linked in: ccm rfcomm fuse xt_CHECKSUM iptable_mangle
ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
nf_reject_ipv4 xt_tcpudp tun bridge stp llc ebtable_filter ebtables
ip6table_filter ip6_tables iptable_filter ip_tables x_tables af_packet
bnep msr xfs libcrc32c cdc_ether usbnet mii cdc_wdm cdc_acm dm_crypt
algif_skcipher af_alg snd_hda_codec_conexant snd_hda_codec_generic arc4
snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm_oss snd_pcm
mei_wdt iTCO_wdt iTCO_vendor_support iwldvm snd_seq mac80211
snd_seq_device snd_timer coretemp kvm_intel kvm irqbypass btusb btrtl
btbcm btintel iwlwifi pcspkr snd_mixer_oss bluetooth thinkpad_acpi
battery ac fjes i915 cfg80211 snd wmi rfkill
drm_kms_helper video drm i2c_i801 fb_sys_fops syscopyarea e1000e
sysfillrect sysimgblt i2c_algo_bit acpi_cpufreq ptp soundcore tpm_tis
mei_me pps_core shpchp tpm_tis_core lpc_ich mei mfd_core button tpm
serio_raw thermal ehci_pci uhci_hcd ehci_hcd usbcore sg dm_multipath
dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua loop
CPU: 0 PID: 12922 Comm: kworker/0:0 Not tainted
4.10.0-rc3-1.gf1c24bb-default #1
Hardware name: LENOVO 74665EG/74665EG, BIOS 6DET71WW (3.21 ) 12/13/2011
Workqueue: kacpi_notify acpi_os_execute_deferred
task: ffff9e2c22854240 task.stack: ffffbecbcc85c000
RIP: 0010:intel_display_resume+0xaf/0x120 [i915]
RSP: 0018:ffffbecbcc85fc70 EFLAGS: 00010282
RAX: ffffffffc027a670 RBX: ffffbecbcc85fc78 RCX: 0000000000000000
RDX: ffff9e2c22854240 RSI: 000000000000000d RDI: ffff9e2c2d738210
RBP: ffffbecbcc85fcd0 R08: 0000000000100000 R09: 0000000000000000
R10: ffff9e2c2d738380 R11: ffffffffc0451d00 R12: ffff9e2c2d738000
R13: 0000000000000000 R14: ffff9e2c2d738210 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff9e2c3bc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000022b998000 CR4: 00000000000406f0
Call Trace:
intel_lid_notify+0xca/0xd0 [i915]
notifier_call_chain+0x4a/0x70
__blocking_notifier_call_chain+0x47/0x60
blocking_notifier_call_chain+0x16/0x20
acpi_lid_notify_state+0xee/0x142 [button]
acpi_lid_update_state+0x24/0x27 [button]
acpi_button_notify+0x3d/0x130 [button]
acpi_device_notify+0x19/0x1b
acpi_ev_notify_dispatch+0x49/0x61
acpi_os_execute_deferred+0x14/0x20
process_one_work+0x193/0x470
worker_thread+0x4e/0x490
kthread+0x101/0x140
? process_one_work+0x470/0x470
? kthread_create_on_node+0x40/0x40
ret_from_fork+0x25/0x30
Code: e8 d7 aa 2c d6 8b 45 a4 89 c1 31 f6 48 c7 c2 c0 11 50 c0 48 c7 c7
e5 10 51 c0 e8 6d a3 de ff 48 c7 c0 70 a6 27 c0 48 85 c0 74 56 <f0> 41
83 6d 00 01 75 08 4c 89 ef e8 01 b9 df ff 48 83 c4 40 5b
RIP: intel_display_resume+0xaf/0x120 [i915] RSP: ffffbecbcc85fc70
CR2: 0000000000000000
---[ end trace d496ba830778c097 ]---
The machine is running fine afterwards but never again receiving a lid
close / open event.
4.9 is good.
I tried to bisect it and landed at
0853695c3ba46f97dfc0b5885f7b7e640ca212dd
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Oct 14 13:18:18 2016 +0100
drm: Add reference counting to drm_atomic_state
However, during bisecting the failure got worse (the machine locked up
hard during lid close/open, with lots of recursive faults), so I doubt
this is the commit to revert, but apparently it still needs some more fixes.
Thanks,
Stefan
--
Stefan Seyfried
"For a successful technology, reality must take precedence over
public relations, for nature cannot be fooled." -- Richard Feynman
^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
2017-01-15 10:39 4.10 regression drm/i915: BUG/oops on lid open Stefan Seyfried
@ 2017-01-15 12:58 ` Chris Wilson
2017-01-15 13:53 ` Stefan Seyfried
2017-01-18 11:35 ` Ander Conselvan De Oliveira
2017-01-15 13:24 ` ✓ Fi.CI.BAT: success for " Patchwork
1 sibling, 2 replies; 8+ messages in thread
From: Chris Wilson @ 2017-01-15 12:58 UTC (permalink / raw)
To: linux-kernel
Cc: intel-gfx, Stefan Seyfried, Chris Wilson, Daniel Vetter,
Jani Nikula, # v4 . 10-rc1+
intel_display_resume() may be called without a atomic state to restore,
i.e. dev_priv->modeset_reset_restore state is NULL. One such case is
following a lid open/close event and the forced modeset in
intel_lid_notiy().
Reported-by: Stefan Seyfried <stefan.seyfried@googlemail.com>
Fixes: 0853695c3ba4 ("drm: Add reference counting to drm_atomic_state")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
---
drivers/gpu/drm/i915/intel_display.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3dc8724df400..260bbe8881e6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -17024,7 +17024,8 @@ void intel_display_resume(struct drm_device *dev)
if (ret)
DRM_ERROR("Restoring old state failed with %i\n", ret);
- drm_atomic_state_put(state);
+ if (state)
+ drm_atomic_state_put(state);
}
void intel_modeset_gem_init(struct drm_device *dev)
--
2.11.0
^ permalink raw reply related [flat|nested] 8+ messages in thread
* ✓ Fi.CI.BAT: success for drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
2017-01-15 10:39 4.10 regression drm/i915: BUG/oops on lid open Stefan Seyfried
2017-01-15 12:58 ` [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume Chris Wilson
@ 2017-01-15 13:24 ` Patchwork
1 sibling, 0 replies; 8+ messages in thread
From: Patchwork @ 2017-01-15 13:24 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
== Series Details ==
Series: drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
URL : https://patchwork.freedesktop.org/series/18021/
State : success
== Summary ==
Series 18021v1 drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
https://patchwork.freedesktop.org/api/1.0/series/18021/revisions/1/mbox/
Test kms_pipe_crc_basic:
Subgroup bad-nb-words-1:
dmesg-warn -> PASS (fi-ivb-3770)
fi-bdw-5557u total:246 pass:232 dwarn:0 dfail:0 fail:0 skip:14
fi-bsw-n3050 total:246 pass:207 dwarn:0 dfail:0 fail:0 skip:39
fi-bxt-j4205 total:246 pass:224 dwarn:0 dfail:0 fail:0 skip:22
fi-bxt-t5700 total:82 pass:69 dwarn:0 dfail:0 fail:0 skip:12
fi-byt-j1900 total:246 pass:219 dwarn:0 dfail:0 fail:0 skip:27
fi-byt-n2820 total:246 pass:215 dwarn:0 dfail:0 fail:0 skip:31
fi-hsw-4770 total:246 pass:227 dwarn:0 dfail:0 fail:0 skip:19
fi-hsw-4770r total:246 pass:227 dwarn:0 dfail:0 fail:0 skip:19
fi-ivb-3520m total:246 pass:225 dwarn:0 dfail:0 fail:0 skip:21
fi-ivb-3770 total:246 pass:225 dwarn:0 dfail:0 fail:0 skip:21
fi-kbl-7500u total:246 pass:225 dwarn:0 dfail:0 fail:0 skip:21
fi-skl-6260u total:246 pass:233 dwarn:0 dfail:0 fail:0 skip:13
fi-skl-6700hq total:246 pass:226 dwarn:0 dfail:0 fail:0 skip:20
fi-skl-6700k total:246 pass:222 dwarn:3 dfail:0 fail:0 skip:21
fi-skl-6770hq total:246 pass:233 dwarn:0 dfail:0 fail:0 skip:13
fi-snb-2520m total:246 pass:215 dwarn:0 dfail:0 fail:0 skip:31
fi-snb-2600 total:246 pass:214 dwarn:0 dfail:0 fail:0 skip:32
af723422378a6d17bd5b632880b195f8443445b5 drm-tip: 2017y-01m-14d-16h-21m-06s UTC integration manifest
5c2e2f5 drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
== Logs ==
For more details see: https://intel-gfx-ci.01.org/CI/Patchwork_3521/
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
2017-01-15 12:58 ` [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume Chris Wilson
@ 2017-01-15 13:53 ` Stefan Seyfried
2017-01-18 11:35 ` Ander Conselvan De Oliveira
1 sibling, 0 replies; 8+ messages in thread
From: Stefan Seyfried @ 2017-01-15 13:53 UTC (permalink / raw)
To: Chris Wilson, linux-kernel
Cc: intel-gfx, Daniel Vetter, Jani Nikula, # v4 . 10-rc1+
Hi Chris,
this fixes the problem for me, thanks!
Tested-by: Stefan Seyfried <stefan.seyfried@googlemail.com>
Am 15.01.2017 um 13:58 schrieb Chris Wilson:
> intel_display_resume() may be called without a atomic state to restore,
> i.e. dev_priv->modeset_reset_restore state is NULL. One such case is
> following a lid open/close event and the forced modeset in
> intel_lid_notiy().
>
> Reported-by: Stefan Seyfried <stefan.seyfried@googlemail.com>
> Fixes: 0853695c3ba4 ("drm: Add reference counting to drm_atomic_state")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
> ---
> drivers/gpu/drm/i915/intel_display.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 3dc8724df400..260bbe8881e6 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -17024,7 +17024,8 @@ void intel_display_resume(struct drm_device *dev)
>
> if (ret)
> DRM_ERROR("Restoring old state failed with %i\n", ret);
> - drm_atomic_state_put(state);
> + if (state)
> + drm_atomic_state_put(state);
> }
>
> void intel_modeset_gem_init(struct drm_device *dev)
--
Stefan Seyfried
"For a successful technology, reality must take precedence over
public relations, for nature cannot be fooled." -- Richard Feynman
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [Intel-gfx] [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
2017-01-15 12:58 ` [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume Chris Wilson
@ 2017-01-18 11:35 ` Ander Conselvan De Oliveira
2017-01-18 11:35 ` Ander Conselvan De Oliveira
1 sibling, 0 replies; 8+ messages in thread
From: Ander Conselvan De Oliveira @ 2017-01-18 11:35 UTC (permalink / raw)
To: Chris Wilson, linux-kernel
Cc: Daniel Vetter, intel-gfx, # v4 . 10-rc1+, Stefan Seyfried
On Sun, 2017-01-15 at 12:58 +0000, Chris Wilson wrote:
> intel_display_resume() may be called without a atomic state to restore,
> i.e. dev_priv->modeset_reset_restore state is NULL. One such case is
> following a lid open/close event and the forced modeset in
> intel_lid_notiy().
>
> Reported-by: Stefan Seyfried <stefan.seyfried@googlemail.com>
> Fixes: 0853695c3ba4 ("drm: Add reference counting to drm_atomic_state")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
> ---
> drivers/gpu/drm/i915/intel_display.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 3dc8724df400..260bbe8881e6 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -17024,7 +17024,8 @@ void intel_display_resume(struct drm_device *dev)
>
> if (ret)
> DRM_ERROR("Restoring old state failed with %i\n", ret);
> - drm_atomic_state_put(state);
> + if (state)
> + drm_atomic_state_put(state);
> }
>
> void intel_modeset_gem_init(struct drm_device *dev)
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
@ 2017-01-18 11:35 ` Ander Conselvan De Oliveira
0 siblings, 0 replies; 8+ messages in thread
From: Ander Conselvan De Oliveira @ 2017-01-18 11:35 UTC (permalink / raw)
To: Chris Wilson, linux-kernel
Cc: Daniel Vetter, intel-gfx, # v4 . 10-rc1+, Stefan Seyfried
On Sun, 2017-01-15 at 12:58 +0000, Chris Wilson wrote:
> intel_display_resume() may be called without a atomic state to restore,
> i.e. dev_priv->modeset_reset_restore state is NULL. One such case is
> following a lid open/close event and the forced modeset in
> intel_lid_notiy().
>
> Reported-by: Stefan Seyfried <stefan.seyfried@googlemail.com>
> Fixes: 0853695c3ba4 ("drm: Add reference counting to drm_atomic_state")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
> ---
> drivers/gpu/drm/i915/intel_display.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 3dc8724df400..260bbe8881e6 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -17024,7 +17024,8 @@ void intel_display_resume(struct drm_device *dev)
>
> if (ret)
> DRM_ERROR("Restoring old state failed with %i\n", ret);
> - drm_atomic_state_put(state);
> + if (state)
> + drm_atomic_state_put(state);
> }
>
> void intel_modeset_gem_init(struct drm_device *dev)
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [Intel-gfx] [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
2017-01-18 11:35 ` Ander Conselvan De Oliveira
@ 2017-01-18 11:42 ` Chris Wilson
-1 siblings, 0 replies; 8+ messages in thread
From: Chris Wilson @ 2017-01-18 11:42 UTC (permalink / raw)
To: Ander Conselvan De Oliveira
Cc: linux-kernel, Daniel Vetter, intel-gfx, # v4 . 10-rc1+, Stefan Seyfried
On Wed, Jan 18, 2017 at 01:35:33PM +0200, Ander Conselvan De Oliveira wrote:
> On Sun, 2017-01-15 at 12:58 +0000, Chris Wilson wrote:
> > intel_display_resume() may be called without a atomic state to restore,
> > i.e. dev_priv->modeset_reset_restore state is NULL. One such case is
> > following a lid open/close event and the forced modeset in
> > intel_lid_notiy().
> >
> > Reported-by: Stefan Seyfried <stefan.seyfried@googlemail.com>
> > Fixes: 0853695c3ba4 ("drm: Add reference counting to drm_atomic_state")
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> > Cc: Jani Nikula <jani.nikula@linux.intel.com>
> > Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
> > ---
> > drivers/gpu/drm/i915/intel_display.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c
> > b/drivers/gpu/drm/i915/intel_display.c
> > index 3dc8724df400..260bbe8881e6 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -17024,7 +17024,8 @@ void intel_display_resume(struct drm_device *dev)
> >
> > if (ret)
> > DRM_ERROR("Restoring old state failed with %i\n", ret);
> > - drm_atomic_state_put(state);
> > + if (state)
> > + drm_atomic_state_put(state);
> > }
> >
> > void intel_modeset_gem_init(struct drm_device *dev)
>
>
> Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Thanks for the review and testing, pushed.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
@ 2017-01-18 11:42 ` Chris Wilson
0 siblings, 0 replies; 8+ messages in thread
From: Chris Wilson @ 2017-01-18 11:42 UTC (permalink / raw)
To: Ander Conselvan De Oliveira
Cc: Daniel Vetter, intel-gfx, # v4 . 10-rc1+, linux-kernel, Stefan Seyfried
On Wed, Jan 18, 2017 at 01:35:33PM +0200, Ander Conselvan De Oliveira wrote:
> On Sun, 2017-01-15 at 12:58 +0000, Chris Wilson wrote:
> > intel_display_resume() may be called without a atomic state to restore,
> > i.e. dev_priv->modeset_reset_restore state is NULL. One such case is
> > following a lid open/close event and the forced modeset in
> > intel_lid_notiy().
> >
> > Reported-by: Stefan Seyfried <stefan.seyfried@googlemail.com>
> > Fixes: 0853695c3ba4 ("drm: Add reference counting to drm_atomic_state")
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> > Cc: Jani Nikula <jani.nikula@linux.intel.com>
> > Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
> > ---
> > drivers/gpu/drm/i915/intel_display.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c
> > b/drivers/gpu/drm/i915/intel_display.c
> > index 3dc8724df400..260bbe8881e6 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -17024,7 +17024,8 @@ void intel_display_resume(struct drm_device *dev)
> >
> > if (ret)
> > DRM_ERROR("Restoring old state failed with %i\n", ret);
> > - drm_atomic_state_put(state);
> > + if (state)
> > + drm_atomic_state_put(state);
> > }
> >
> > void intel_modeset_gem_init(struct drm_device *dev)
>
>
> Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Thanks for the review and testing, pushed.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2017-01-18 11:43 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-01-15 10:39 4.10 regression drm/i915: BUG/oops on lid open Stefan Seyfried
2017-01-15 12:58 ` [PATCH] drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume Chris Wilson
2017-01-15 13:53 ` Stefan Seyfried
2017-01-18 11:35 ` [Intel-gfx] " Ander Conselvan De Oliveira
2017-01-18 11:35 ` Ander Conselvan De Oliveira
2017-01-18 11:42 ` [Intel-gfx] " Chris Wilson
2017-01-18 11:42 ` Chris Wilson
2017-01-15 13:24 ` ✓ Fi.CI.BAT: success for " Patchwork
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