From: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> To: Daniel Vetter <daniel@ffwll.ch> Cc: "amd-gfx list" <amd-gfx@lists.freedesktop.org>, "Christian König" <ckoenig.leichtzumerken@gmail.com>, dri-devel <dri-devel@lists.freedesktop.org>, "Qiang Yu" <yuq825@gmail.com>, "Greg KH" <gregkh@linuxfoundation.org>, "Alex Deucher" <Alexander.Deucher@amd.com> Subject: Re: [PATCH v3 10/12] drm/amdgpu: Avoid sysfs dirs removal post device unplug Date: Wed, 25 Nov 2020 12:39:47 -0500 [thread overview] Message-ID: <1fcc5e3a-36d8-846d-032c-25fb8defd486@amd.com> (raw) In-Reply-To: <CAKMK7uE=AfP2p=UKjG=TFuFh8d0vphyHndxxEqqNNa+ouX48AQ@mail.gmail.com> [-- Attachment #1.1: Type: text/plain, Size: 5644 bytes --] On 11/25/20 4:04 AM, Daniel Vetter wrote: > On Tue, Nov 24, 2020 at 11:27 PM Andrey Grodzovsky > <Andrey.Grodzovsky@amd.com> wrote: >> >> On 11/24/20 9:49 AM, Daniel Vetter wrote: >>> On Sat, Nov 21, 2020 at 12:21:20AM -0500, Andrey Grodzovsky wrote: >>>> Avoids NULL ptr due to kobj->sd being unset on device removal. >>>> >>>> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> >>>> --- >>>> drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 4 +++- >>>> drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | 4 +++- >>>> 2 files changed, 6 insertions(+), 2 deletions(-) >>>> >>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c >>>> index caf828a..812e592 100644 >>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c >>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c >>>> @@ -27,6 +27,7 @@ >>>> #include <linux/uaccess.h> >>>> #include <linux/reboot.h> >>>> #include <linux/syscalls.h> >>>> +#include <drm/drm_drv.h> >>>> >>>> #include "amdgpu.h" >>>> #include "amdgpu_ras.h" >>>> @@ -1043,7 +1044,8 @@ static int amdgpu_ras_sysfs_remove_feature_node(struct amdgpu_device *adev) >>>> .attrs = attrs, >>>> }; >>>> >>>> - sysfs_remove_group(&adev->dev->kobj, &group); >>>> + if (!drm_dev_is_unplugged(&adev->ddev)) >>>> + sysfs_remove_group(&adev->dev->kobj, &group); >>> This looks wrong. sysfs, like any other interface, should be >>> unconditionally thrown out when we do the drm_dev_unregister. Whether >>> hotunplugged or not should matter at all. Either this isn't needed at all, >>> or something is wrong with the ordering here. But definitely fishy. >>> -Daniel >> >> So technically this is needed because kobejct's sysfs directory entry kobj->sd >> is set to NULL >> on device removal (from sysfs_remove_dir) but because we don't finalize the device >> until last reference to drm file is dropped (which can happen later) we end up >> calling sysfs_remove_file/dir after >> this pointer is NULL. sysfs_remove_file checks for NULL and aborts while >> sysfs_remove_dir >> is not and that why I guard against calls to sysfs_remove_dir. >> But indeed the whole approach in the driver is incorrect, as Greg pointed out - >> we should use >> default groups attributes instead of explicit calls to sysfs interface and this >> would save those troubles. >> But again. the issue here of scope of work, converting all of amdgpu to default >> groups attributes is somewhat >> lengthy process with extra testing as the entire driver is papered with sysfs >> references and seems to me more of a standalone >> cleanup, just like switching to devm_ and drmm_ work. To me at least it seems >> that it makes more sense >> to finalize and push the hot unplug patches so that this new functionality can >> be part of the driver sooner >> and then incrementally improve it by working on those other topics. Just as >> devm_/drmm_ I also added sysfs cleanup >> to my TODO list in the RFC patch. > Hm, whether you solve this with the default group stuff to > auto-remove, or remove explicitly at the right time doesn't matter > much. The underlying problem you have here is that it's done way too > late. As far as I understood correctly the default group attrs by reading this article by Greg - https://www.linux.com/news/how-create-sysfs-file-correctly/ it will be removed together with the device and not too late like now and I quote from the last paragraph there: "By setting this value, you don’t have to do anything in your probe() or release() functions at all in order for the sysfs files to be properly created and destroyed whenever your device is added or removed from the system. And you will, most importantly, do it in a race-free manner, which is always a good thing." To me this seems like the best solution to the late remove issue. What do you think ? > sysfs removal (like all uapi interfaces) need to be removed as > part of drm_dev_unregister. Do you mean we need to trace and aggregate all sysfs files creation within the low level drivers and then call some sysfs release function inside drm_dev_unregister to iterate and release them all ? > I guess aside from the split into fini_hw > and fini_sw, you also need an unregister_late callback (like we have > already for drm_connector, so that e.g. backlight and similar stuff > can be unregistered). Is this the callback you suggest to call from within drm_dev_unregister and it will be responsible to release all sysfs files created within the driver ? Andrey > > Papering over the underlying bug like this doesn't really fix much, > the lifetimes are still wrong. > -Daniel > >> Andrey >> >> >>>> return 0; >>>> } >>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c >>>> index 2b7c90b..54331fc 100644 >>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c >>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c >>>> @@ -24,6 +24,7 @@ >>>> #include <linux/firmware.h> >>>> #include <linux/slab.h> >>>> #include <linux/module.h> >>>> +#include <drm/drm_drv.h> >>>> >>>> #include "amdgpu.h" >>>> #include "amdgpu_ucode.h" >>>> @@ -464,7 +465,8 @@ int amdgpu_ucode_sysfs_init(struct amdgpu_device *adev) >>>> >>>> void amdgpu_ucode_sysfs_fini(struct amdgpu_device *adev) >>>> { >>>> - sysfs_remove_group(&adev->dev->kobj, &fw_attr_group); >>>> + if (!drm_dev_is_unplugged(&adev->ddev)) >>>> + sysfs_remove_group(&adev->dev->kobj, &fw_attr_group); >>>> } >>>> >>>> static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev, >>>> -- >>>> 2.7.4 >>>> > > [-- Attachment #1.2: Type: text/html, Size: 16193 bytes --] [-- Attachment #2: Type: text/plain, Size: 160 bytes --] _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> To: Daniel Vetter <daniel@ffwll.ch> Cc: "Rob Herring" <robh@kernel.org>, "amd-gfx list" <amd-gfx@lists.freedesktop.org>, "Christian König" <ckoenig.leichtzumerken@gmail.com>, dri-devel <dri-devel@lists.freedesktop.org>, "Anholt, Eric" <eric@anholt.net>, "Pekka Paalanen" <ppaalanen@gmail.com>, "Qiang Yu" <yuq825@gmail.com>, "Greg KH" <gregkh@linuxfoundation.org>, "Alex Deucher" <Alexander.Deucher@amd.com>, "Wentland, Harry" <Harry.Wentland@amd.com>, "Lucas Stach" <l.stach@pengutronix.de> Subject: Re: [PATCH v3 10/12] drm/amdgpu: Avoid sysfs dirs removal post device unplug Date: Wed, 25 Nov 2020 12:39:47 -0500 [thread overview] Message-ID: <1fcc5e3a-36d8-846d-032c-25fb8defd486@amd.com> (raw) In-Reply-To: <CAKMK7uE=AfP2p=UKjG=TFuFh8d0vphyHndxxEqqNNa+ouX48AQ@mail.gmail.com> [-- Attachment #1.1: Type: text/plain, Size: 5644 bytes --] On 11/25/20 4:04 AM, Daniel Vetter wrote: > On Tue, Nov 24, 2020 at 11:27 PM Andrey Grodzovsky > <Andrey.Grodzovsky@amd.com> wrote: >> >> On 11/24/20 9:49 AM, Daniel Vetter wrote: >>> On Sat, Nov 21, 2020 at 12:21:20AM -0500, Andrey Grodzovsky wrote: >>>> Avoids NULL ptr due to kobj->sd being unset on device removal. >>>> >>>> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> >>>> --- >>>> drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 4 +++- >>>> drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | 4 +++- >>>> 2 files changed, 6 insertions(+), 2 deletions(-) >>>> >>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c >>>> index caf828a..812e592 100644 >>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c >>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c >>>> @@ -27,6 +27,7 @@ >>>> #include <linux/uaccess.h> >>>> #include <linux/reboot.h> >>>> #include <linux/syscalls.h> >>>> +#include <drm/drm_drv.h> >>>> >>>> #include "amdgpu.h" >>>> #include "amdgpu_ras.h" >>>> @@ -1043,7 +1044,8 @@ static int amdgpu_ras_sysfs_remove_feature_node(struct amdgpu_device *adev) >>>> .attrs = attrs, >>>> }; >>>> >>>> - sysfs_remove_group(&adev->dev->kobj, &group); >>>> + if (!drm_dev_is_unplugged(&adev->ddev)) >>>> + sysfs_remove_group(&adev->dev->kobj, &group); >>> This looks wrong. sysfs, like any other interface, should be >>> unconditionally thrown out when we do the drm_dev_unregister. Whether >>> hotunplugged or not should matter at all. Either this isn't needed at all, >>> or something is wrong with the ordering here. But definitely fishy. >>> -Daniel >> >> So technically this is needed because kobejct's sysfs directory entry kobj->sd >> is set to NULL >> on device removal (from sysfs_remove_dir) but because we don't finalize the device >> until last reference to drm file is dropped (which can happen later) we end up >> calling sysfs_remove_file/dir after >> this pointer is NULL. sysfs_remove_file checks for NULL and aborts while >> sysfs_remove_dir >> is not and that why I guard against calls to sysfs_remove_dir. >> But indeed the whole approach in the driver is incorrect, as Greg pointed out - >> we should use >> default groups attributes instead of explicit calls to sysfs interface and this >> would save those troubles. >> But again. the issue here of scope of work, converting all of amdgpu to default >> groups attributes is somewhat >> lengthy process with extra testing as the entire driver is papered with sysfs >> references and seems to me more of a standalone >> cleanup, just like switching to devm_ and drmm_ work. To me at least it seems >> that it makes more sense >> to finalize and push the hot unplug patches so that this new functionality can >> be part of the driver sooner >> and then incrementally improve it by working on those other topics. Just as >> devm_/drmm_ I also added sysfs cleanup >> to my TODO list in the RFC patch. > Hm, whether you solve this with the default group stuff to > auto-remove, or remove explicitly at the right time doesn't matter > much. The underlying problem you have here is that it's done way too > late. As far as I understood correctly the default group attrs by reading this article by Greg - https://www.linux.com/news/how-create-sysfs-file-correctly/ it will be removed together with the device and not too late like now and I quote from the last paragraph there: "By setting this value, you don’t have to do anything in your probe() or release() functions at all in order for the sysfs files to be properly created and destroyed whenever your device is added or removed from the system. And you will, most importantly, do it in a race-free manner, which is always a good thing." To me this seems like the best solution to the late remove issue. What do you think ? > sysfs removal (like all uapi interfaces) need to be removed as > part of drm_dev_unregister. Do you mean we need to trace and aggregate all sysfs files creation within the low level drivers and then call some sysfs release function inside drm_dev_unregister to iterate and release them all ? > I guess aside from the split into fini_hw > and fini_sw, you also need an unregister_late callback (like we have > already for drm_connector, so that e.g. backlight and similar stuff > can be unregistered). Is this the callback you suggest to call from within drm_dev_unregister and it will be responsible to release all sysfs files created within the driver ? Andrey > > Papering over the underlying bug like this doesn't really fix much, > the lifetimes are still wrong. > -Daniel > >> Andrey >> >> >>>> return 0; >>>> } >>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c >>>> index 2b7c90b..54331fc 100644 >>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c >>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c >>>> @@ -24,6 +24,7 @@ >>>> #include <linux/firmware.h> >>>> #include <linux/slab.h> >>>> #include <linux/module.h> >>>> +#include <drm/drm_drv.h> >>>> >>>> #include "amdgpu.h" >>>> #include "amdgpu_ucode.h" >>>> @@ -464,7 +465,8 @@ int amdgpu_ucode_sysfs_init(struct amdgpu_device *adev) >>>> >>>> void amdgpu_ucode_sysfs_fini(struct amdgpu_device *adev) >>>> { >>>> - sysfs_remove_group(&adev->dev->kobj, &fw_attr_group); >>>> + if (!drm_dev_is_unplugged(&adev->ddev)) >>>> + sysfs_remove_group(&adev->dev->kobj, &fw_attr_group); >>>> } >>>> >>>> static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev, >>>> -- >>>> 2.7.4 >>>> > > [-- Attachment #1.2: Type: text/html, Size: 16193 bytes --] [-- Attachment #2: Type: text/plain, Size: 154 bytes --] _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next prev parent reply other threads:[~2020-11-25 17:39 UTC|newest] Thread overview: 212+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-21 5:21 [PATCH v3 00/12] RFC Support hot device unplug in amdgpu Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-21 5:21 ` [PATCH v3 01/12] drm: Add dummy page per device or GEM object Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-21 14:15 ` Christian König 2020-11-21 14:15 ` Christian König 2020-11-23 4:54 ` Andrey Grodzovsky 2020-11-23 4:54 ` Andrey Grodzovsky 2020-11-23 8:01 ` Christian König 2020-11-23 8:01 ` Christian König 2021-01-05 21:04 ` Andrey Grodzovsky 2021-01-05 21:04 ` Andrey Grodzovsky 2021-01-07 16:21 ` Daniel Vetter 2021-01-07 16:21 ` Daniel Vetter 2021-01-07 16:26 ` Andrey Grodzovsky 2021-01-07 16:26 ` Andrey Grodzovsky 2021-01-07 16:28 ` Andrey Grodzovsky 2021-01-07 16:28 ` Andrey Grodzovsky 2021-01-07 16:30 ` Daniel Vetter 2021-01-07 16:30 ` Daniel Vetter 2021-01-07 16:37 ` Andrey Grodzovsky 2021-01-07 16:37 ` Andrey Grodzovsky 2021-01-08 14:26 ` Andrey Grodzovsky 2021-01-08 14:26 ` Andrey Grodzovsky 2021-01-08 14:33 ` Christian König 2021-01-08 14:33 ` Christian König 2021-01-08 14:46 ` Andrey Grodzovsky 2021-01-08 14:46 ` Andrey Grodzovsky 2021-01-08 14:52 ` Christian König 2021-01-08 14:52 ` Christian König 2021-01-08 16:49 ` Grodzovsky, Andrey 2021-01-08 16:49 ` Grodzovsky, Andrey 2021-01-11 16:13 ` Daniel Vetter 2021-01-11 16:13 ` Daniel Vetter 2021-01-11 16:15 ` Daniel Vetter 2021-01-11 16:15 ` Daniel Vetter 2021-01-11 17:41 ` Andrey Grodzovsky 2021-01-11 17:41 ` Andrey Grodzovsky 2021-01-11 18:31 ` Andrey Grodzovsky 2021-01-12 9:07 ` Daniel Vetter 2021-01-11 20:45 ` Andrey Grodzovsky 2021-01-11 20:45 ` Andrey Grodzovsky 2021-01-12 9:10 ` Daniel Vetter 2021-01-12 9:10 ` Daniel Vetter 2021-01-12 12:32 ` Christian König 2021-01-12 12:32 ` Christian König 2021-01-12 15:59 ` Andrey Grodzovsky 2021-01-12 15:59 ` Andrey Grodzovsky 2021-01-13 9:14 ` Christian König 2021-01-13 9:14 ` Christian König 2021-01-13 14:40 ` Andrey Grodzovsky 2021-01-13 14:40 ` Andrey Grodzovsky 2021-01-12 15:54 ` Andrey Grodzovsky 2021-01-12 15:54 ` Andrey Grodzovsky 2021-01-12 8:12 ` Christian König 2021-01-12 8:12 ` Christian König 2021-01-12 9:13 ` Daniel Vetter 2021-01-12 9:13 ` Daniel Vetter 2020-11-21 5:21 ` [PATCH v3 02/12] drm: Unamp the entire device address space on device unplug Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-21 14:16 ` Christian König 2020-11-21 14:16 ` Christian König 2020-11-24 14:44 ` Daniel Vetter 2020-11-24 14:44 ` Daniel Vetter 2020-11-21 5:21 ` [PATCH v3 03/12] drm/ttm: Remap all page faults to per process dummy page Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-21 5:21 ` [PATCH v3 04/12] drm/ttm: Set dma addr to null after freee Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-21 14:13 ` Christian König 2020-11-21 14:13 ` Christian König 2020-11-23 5:15 ` Andrey Grodzovsky 2020-11-23 5:15 ` Andrey Grodzovsky 2020-11-23 8:04 ` Christian König 2020-11-23 8:04 ` Christian König 2020-11-21 5:21 ` [PATCH v3 05/12] drm/ttm: Expose ttm_tt_unpopulate for driver use Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-25 10:42 ` Christian König 2020-11-25 10:42 ` Christian König 2020-11-23 20:05 ` Andrey Grodzovsky 2020-11-23 20:05 ` Andrey Grodzovsky 2020-11-23 20:20 ` Christian König 2020-11-23 20:20 ` Christian König 2020-11-23 20:38 ` Andrey Grodzovsky 2020-11-23 20:38 ` Andrey Grodzovsky 2020-11-23 20:41 ` Christian König 2020-11-23 20:41 ` Christian König 2020-11-23 21:08 ` Andrey Grodzovsky 2020-11-23 21:08 ` Andrey Grodzovsky 2020-11-24 7:41 ` Christian König 2020-11-24 7:41 ` Christian König 2020-11-24 16:22 ` Andrey Grodzovsky 2020-11-24 16:22 ` Andrey Grodzovsky 2020-11-24 16:44 ` Christian König 2020-11-24 16:44 ` Christian König 2020-11-25 10:40 ` Daniel Vetter 2020-11-25 10:40 ` Daniel Vetter 2020-11-25 12:57 ` Christian König 2020-11-25 12:57 ` Christian König 2020-11-25 16:36 ` Daniel Vetter 2020-11-25 16:36 ` Daniel Vetter 2020-11-25 19:34 ` Andrey Grodzovsky 2020-11-25 19:34 ` Andrey Grodzovsky 2020-11-27 13:10 ` Grodzovsky, Andrey 2020-11-27 13:10 ` Grodzovsky, Andrey 2020-11-27 14:59 ` Daniel Vetter 2020-11-27 14:59 ` Daniel Vetter 2020-11-27 16:04 ` Andrey Grodzovsky 2020-11-27 16:04 ` Andrey Grodzovsky 2020-11-30 14:15 ` Daniel Vetter 2020-11-30 14:15 ` Daniel Vetter 2020-11-25 16:56 ` Michel Dänzer 2020-11-25 16:56 ` Michel Dänzer 2020-11-25 17:02 ` Daniel Vetter 2020-11-25 17:02 ` Daniel Vetter 2020-12-15 20:18 ` Andrey Grodzovsky 2020-12-15 20:18 ` Andrey Grodzovsky 2020-12-16 8:04 ` Christian König 2020-12-16 8:04 ` Christian König 2020-12-16 14:21 ` Daniel Vetter 2020-12-16 14:21 ` Daniel Vetter 2020-12-16 16:13 ` Andrey Grodzovsky 2020-12-16 16:13 ` Andrey Grodzovsky 2020-12-16 16:18 ` Christian König 2020-12-16 16:18 ` Christian König 2020-12-16 17:12 ` Daniel Vetter 2020-12-16 17:12 ` Daniel Vetter 2020-12-16 17:20 ` Daniel Vetter 2020-12-16 17:20 ` Daniel Vetter 2020-12-16 18:26 ` Andrey Grodzovsky 2020-12-16 18:26 ` Andrey Grodzovsky 2020-12-16 23:15 ` Daniel Vetter 2020-12-16 23:15 ` Daniel Vetter 2020-12-17 0:20 ` Andrey Grodzovsky 2020-12-17 0:20 ` Andrey Grodzovsky 2020-12-17 12:01 ` Daniel Vetter 2020-12-17 12:01 ` Daniel Vetter 2020-12-17 19:19 ` Andrey Grodzovsky 2020-12-17 19:19 ` Andrey Grodzovsky 2020-12-17 20:10 ` Christian König 2020-12-17 20:10 ` Christian König 2020-12-17 20:38 ` Andrey Grodzovsky 2020-12-17 20:38 ` Andrey Grodzovsky 2020-12-17 20:48 ` Daniel Vetter 2020-12-17 20:48 ` Daniel Vetter 2020-12-17 21:06 ` Andrey Grodzovsky 2020-12-17 21:06 ` Andrey Grodzovsky 2020-12-18 14:30 ` Daniel Vetter 2020-12-18 14:30 ` Daniel Vetter 2020-12-17 20:42 ` Daniel Vetter 2020-12-17 20:42 ` Daniel Vetter 2020-12-17 21:13 ` Andrey Grodzovsky 2020-12-17 21:13 ` Andrey Grodzovsky 2021-01-04 16:33 ` Andrey Grodzovsky 2021-01-04 16:33 ` Andrey Grodzovsky 2020-11-21 5:21 ` [PATCH v3 06/12] drm/sched: Cancel and flush all oustatdning jobs before finish Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-22 11:56 ` Christian König 2020-11-22 11:56 ` Christian König 2020-11-21 5:21 ` [PATCH v3 07/12] drm/sched: Prevent any job recoveries after device is unplugged Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-22 11:57 ` Christian König 2020-11-22 11:57 ` Christian König 2020-11-23 5:37 ` Andrey Grodzovsky 2020-11-23 5:37 ` Andrey Grodzovsky 2020-11-23 8:06 ` Christian König 2020-11-23 8:06 ` Christian König 2020-11-24 1:12 ` Luben Tuikov 2020-11-24 1:12 ` Luben Tuikov 2020-11-24 7:50 ` Christian König 2020-11-24 7:50 ` Christian König 2020-11-24 17:11 ` Luben Tuikov 2020-11-24 17:11 ` Luben Tuikov 2020-11-24 17:17 ` Andrey Grodzovsky 2020-11-24 17:17 ` Andrey Grodzovsky 2020-11-24 17:41 ` Luben Tuikov 2020-11-24 17:41 ` Luben Tuikov 2020-11-24 17:40 ` Christian König 2020-11-24 17:40 ` Christian König 2020-11-24 17:44 ` Luben Tuikov 2020-11-24 17:44 ` Luben Tuikov 2020-11-21 5:21 ` [PATCH v3 08/12] drm/amdgpu: Split amdgpu_device_fini into early and late Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-24 14:53 ` Daniel Vetter 2020-11-24 14:53 ` Daniel Vetter 2020-11-24 15:51 ` Andrey Grodzovsky 2020-11-24 15:51 ` Andrey Grodzovsky 2020-11-25 10:41 ` Daniel Vetter 2020-11-25 10:41 ` Daniel Vetter 2020-11-25 17:41 ` Andrey Grodzovsky 2020-11-25 17:41 ` Andrey Grodzovsky 2020-11-21 5:21 ` [PATCH v3 09/12] drm/amdgpu: Add early fini callback Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-21 5:21 ` [PATCH v3 10/12] drm/amdgpu: Avoid sysfs dirs removal post device unplug Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-24 14:49 ` Daniel Vetter 2020-11-24 14:49 ` Daniel Vetter 2020-11-24 22:27 ` Andrey Grodzovsky 2020-11-24 22:27 ` Andrey Grodzovsky 2020-11-25 9:04 ` Daniel Vetter 2020-11-25 9:04 ` Daniel Vetter 2020-11-25 17:39 ` Andrey Grodzovsky [this message] 2020-11-25 17:39 ` Andrey Grodzovsky 2020-11-27 13:12 ` Grodzovsky, Andrey 2020-11-27 13:12 ` Grodzovsky, Andrey 2020-11-27 15:04 ` Daniel Vetter 2020-11-27 15:04 ` Daniel Vetter 2020-11-27 15:34 ` Andrey Grodzovsky 2020-11-27 15:34 ` Andrey Grodzovsky 2020-11-21 5:21 ` [PATCH v3 11/12] drm/amdgpu: Register IOMMU topology notifier per device Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky 2020-11-21 5:21 ` [PATCH v3 12/12] drm/amdgpu: Fix a bunch of sdma code crash post device unplug Andrey Grodzovsky 2020-11-21 5:21 ` Andrey Grodzovsky
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