RE: Fix broken Raven system before Linux 4.18 release

2018-07-30 Thread Huang, Ray
Yes, that patch won't change any code logic, and just a cleanup. Thanks, Ray -Original Message- From: Koenig, Christian Sent: Monday, July 30, 2018 9:31 PM To: Paul Menzel ; Huang, Ray ; Alex Deucher Cc: amd-...@lists.freedesktop.org; dri-devel@lists.freedesktop.org Subject: Re: Fix

RE: [PATCH 1/8] dma-buf: remove shared fence staging in reservation object

2018-10-24 Thread Huang, Ray
.org; linaro-mm-...@lists.linaro.org; Huang, Ray > ; Daenzer, Michel > Cc: Daniel Vetter ; Chris Wilson ; > Zhang, Jerry > Subject: Re: [PATCH 1/8] dma-buf: remove shared fence staging in > reservation object > > Ping once more! Adding a few more AMD people. > > Any comments

RE: [PATCH 1/8] dma-buf: remove shared fence staging in reservation object

2018-10-23 Thread Huang, Ray
vger.kernel.org; linaro-mm-...@lists.linaro.org; Huang, Ray > ; Daenzer, Michel > Cc: Daniel Vetter ; Chris Wilson ; > Zhang, Jerry > Subject: Re: [PATCH 1/8] dma-buf: remove shared fence staging in > reservation object > > Ping once more! Adding a few more AMD people. &g

RE: [PATCH -next] drm/ttm: remove set but not used variable 'driver'

2018-11-07 Thread Huang, Ray
> -Original Message- > From: YueHaibing [mailto:yuehaib...@huawei.com] > Sent: Thursday, November 08, 2018 10:15 AM > To: Koenig, Christian ; Huang, Ray > ; Zhang, Jerry ; David Airlie > > Cc: YueHaibing ; dri-devel@lists.freedesktop.org; > linux-ker...@vger.

RE: [PATCH -next] drm/amdgpu: remove set but not used variable 'ring'

2018-11-15 Thread Huang, Ray
> -Original Message- > From: YueHaibing [mailto:yuehaib...@huawei.com] > Sent: Thursday, November 15, 2018 6:52 PM > To: Deucher, Alexander ; Koenig, Christian > ; Zhou, David(ChunMing) > ; airl...@linux.ie; Liu, Shaoyun > ; Francis, David ; Huang, > Ray ; Xu, Fei

RE: [PATCH] gpu: drm: fix an improper check of amdgpu_bo_create_kernel

2018-12-26 Thread Huang, Ray
> -Original Message- > From: Kangjie Lu [mailto:k...@umn.edu] > Sent: Wednesday, December 26, 2018 2:24 PM > To: k...@umn.edu > Cc: pakki...@umn.edu; Deucher, Alexander > ; Koenig, Christian > ; Zhou, David(ChunMing) > ; David Airlie ; Daniel Vetter > ; Zhu,

RE: [PATCH v2 0/7] Replace ttm_bo_{unref,reference} with ttm_bo_{get|put}

2019-01-27 Thread Huang, Ray
Also looks for me. Thanks Thomas. Reviewed-by: Huang Rui > -Original Message- > From: Koenig, Christian > Sent: Friday, January 25, 2019 7:29 PM > To: Thomas Zimmermann ; Huang, Ray > ; Zhang, Jerry ; > airl...@redhat.com; bske...@redhat.com; linux-graphics- >

RE: [PATCH] drm/amd/powerplay: fix memdup.cocci warnings

2019-03-04 Thread Huang, Ray
> -Original Message- > From: Julia Lawall [mailto:julia.law...@lip6.fr] > Sent: Saturday, March 02, 2019 2:51 PM > To: Gao, Likun > Cc: Deucher, Alexander ; Wang, Kevin(Yang) > ; Quan, Evan ; Koenig, > Christian ; David Airlie ; > Daniel Vetter

RE: [PATCH] drm/amd/powerplay: fix locking in smu_feature_set_supported()

2019-05-15 Thread Huang, Ray
> -Original Message- > From: Dan Carpenter > Sent: Wednesday, May 15, 2019 5:52 PM > To: Deucher, Alexander ; Wang, Kevin(Yang) > > Cc: Koenig, Christian ; Zhou, David(ChunMing) > ; David Airlie ; Daniel Vetter > ; Huang, Ray ; Gao, Likun > ; Gui, Jack ; amd- &

RE: [PATCH 2/2] drm/ttm: fix start page for huge page check in ttm_put_pages()

2019-04-09 Thread Huang, Ray
> -Original Message- > From: Christian König [mailto:ckoenig.leichtzumer...@gmail.com] > Sent: Monday, April 08, 2019 9:13 PM > To: Zhang, Jerry ; Huang, Ray > ; amd-...@lists.freedesktop.org; dri- > de...@lists.freedesktop.org > Subject: [PATCH 2/2] drm/ttm: fix sta

RE: [PATCH 1/2] drm/ttm: fix out-of-bounds read in ttm_put_pages() v2

2019-04-09 Thread Huang, Ray
> -Original Message- > From: Christian König [mailto:ckoenig.leichtzumer...@gmail.com] > Sent: Monday, April 08, 2019 9:13 PM > To: Zhang, Jerry ; Huang, Ray > ; amd-...@lists.freedesktop.org; dri- > de...@lists.freedesktop.org > Subject: [PATCH 1/2] drm/ttm: f

Re: [PATCH 14/14] drm/amdgpu: set TMZ bits in PTEs for secure bo (v2)

2019-09-12 Thread Huang, Ray
On Wed, Sep 11, 2019 at 08:13:19PM +0800, Koenig, Christian wrote: > Am 11.09.19 um 13:50 schrieb Huang, Ray: > > From: Alex Deucher > > > > If one bo is secure (created with AMDGPU_GEM_CREATE_ENCRYPTED), the TMZ > > bits of > > PTEs that belongs that b

[PATCH 00/14] drm/amdgpu: introduce secure buffer object support (trusted memory zone)

2019-09-11 Thread Huang, Ray
Hi all, These series of patches introduce a feature to support secure buffer object. The Trusted Memory Zone (TMZ) is a method to protect the contents being written to and read from memory. We use TMZ hardware memory protection scheme to implement the secure buffer object support. TMZ is the

[PATCH 06/14] drm/amdgpu: add function to check tmz capability (v4)

2019-09-11 Thread Huang, Ray
Add a function to check tmz capability with kernel parameter and ASIC type. v2: use a per device tmz variable instead of global amdgpu_tmz. v3: refine the comments for the function. (Luben) v4: add amdgpu_tmz.c/h for future use. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher ---

[PATCH 05/14] drm/amdgpu: add amdgpu_tmz data structure

2019-09-11 Thread Huang, Ray
This patch to add amdgpu_tmz structure which stores all tmz related fields. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 +- drivers/gpu/drm/amd/amdgpu/amdgpu_tmz.h | 36 + 2 files changed, 41

[PATCH 07/14] drm/ttm: add helper to get buffer object with ttm_mem_reg

2019-09-11 Thread Huang, Ray
This patch is to add a helper to get corresponding buffer object with a pointer to a struct ttm_mem_reg. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- include/drm/ttm/ttm_bo_driver.h | 13 + 1 file changed, 13 insertions(+) diff --git a/include/drm/ttm/ttm_bo_driver.h

[PATCH 13/14] drm/amdgpu: modify the method to use mem under buffer object for amdgpu_ttm_tt_pte_flags

2019-09-11 Thread Huang, Ray
amdgpu_ttm_tt_pte_flags will be used for updating tmz bits while the bo is secure, so we need pass the ttm_mem_reg under a buffer object. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 18 ++ 1 file changed, 10 insertions(+), 8

[PATCH 14/14] drm/amdgpu: set TMZ bits in PTEs for secure bo (v2)

2019-09-11 Thread Huang, Ray
From: Alex Deucher If one bo is secure (created with AMDGPU_GEM_CREATE_ENCRYPTED), the TMZ bits of PTEs that belongs that bo should be set. Then psp is able to protect the pages of this bo to avoid the access from an "untrust" domain such as CPU. v1: design and draft the skeletion of tmz bits

[PATCH 12/14] drm/amdgpu: set trusted mode while the job is under secure context (v2)

2019-09-11 Thread Huang, Ray
While user mode submit a command with secure context, we should set the command buffer with trusted mode. v2: fix the null job pointer while in vmid 0 submission. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 1 +

[PATCH 11/14] drm/amdgpu: expand the context control interface with trust flag

2019-09-11 Thread Huang, Ray
This patch expands the context control function to support trusted flag while we want to set command buffer in trusted mode. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 5 +++--

[PATCH 01/14] drm/amdgpu: add UAPI for creating encrypted buffers

2019-09-11 Thread Huang, Ray
From: Alex Deucher Add a flag to the GEM_CREATE ioctl to create encrypted buffers. Buffers with this flag set will be created with the TMZ bit set in the PTEs or engines accessing them. This is required in order to properly access the data from the engines. Signed-off-by: Alex Deucher

[PATCH 02/14] drm/amdgpu: add UAPI for creating secure contexts (v2)

2019-09-11 Thread Huang, Ray
From: Alex Deucher Add a flag for when allocating a context to flag it as secure. The kernel driver will use this flag to determine whether a rendering context is secure or not so that the engine can be transitioned between secure or unsecure or the work can be submitted to a secure queue

[PATCH 08/14] drm/amdgpu: revise the function to allocate secure context (v2)

2019-09-11 Thread Huang, Ray
The is_secure flag will indicate the current conext is protected or not. v2: while user mode asks to create a context, but if tmz is disabled, it should return failure. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 19 +++

[PATCH 03/14] drm/amdgpu: define the TMZ bit for the PTE

2019-09-11 Thread Huang, Ray
From: Alex Deucher Define the TMZ (encryption) bit in the page table entry (PTE) for Raven and newer asics. Signed-off-by: Alex Deucher Reviewed-by: Huang Rui --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 +++ 1 file changed, 3 insertions(+) diff --git

[PATCH 04/14] drm/amdgpu: add tmz feature parameter (v2)

2019-09-11 Thread Huang, Ray
This patch adds tmz parameter to enable/disable the feature in the amdgpu kernel module. Nomally, by default, it should be auto (rely on the hardware capability). But right now, it need to set "off" to avoid breaking other developers' work because it's not totally completed. Will set "auto" till

[PATCH 09/14] drm/amdgpu: add tmz bit in frame control packet

2019-09-11 Thread Huang, Ray
This patch adds tmz bit in frame control pm4 packet, and it will used in future. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/nvd.h| 1 + drivers/gpu/drm/amd/amdgpu/soc15d.h | 1 + 2 files changed, 2 insertions(+) diff --git

[PATCH 10/14] drm/amdgpu: expand the emit tmz interface with trusted flag

2019-09-11 Thread Huang, Ray
This patch expands the emit_tmz function to support trusted flag while we want to set command buffer in trusted mode. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 4 ++--

Re: [Regression] "drm/amdgpu: enable gfxoff again on raven series (v2)"

2019-08-07 Thread Huang, Ray
May I know the all firmware version in your system? Thanks, Ray From: Kai-Heng Feng Sent: Wednesday, August 7, 2019 8:50 PM To: Huang, Ray Cc: Deucher, Alexander; Koenig, Christian; Zhou, David(ChunMing); amd-gfx list; dri-devel@lists.freedesktop.org; LKML

RE: [Regression] "drm/amdgpu: enable gfxoff again on raven series (v2)"

2019-08-08 Thread Huang, Ray
> -Original Message- > From: Kai-Heng Feng > Sent: Thursday, August 08, 2019 1:45 AM > To: Huang, Ray > Cc: Deucher, Alexander ; Koenig, Christian > ; Zhou, David(ChunMing) > ; amd-gfx list ; > dri-devel@lists.freedesktop.org; LKML ; > Anthony Wong >

RE: [Regression] "drm/amdgpu: enable gfxoff again on raven series (v2)"

2019-08-08 Thread Huang, Ray
> -Original Message- > From: Michel Dänzer > Sent: Thursday, August 08, 2019 4:10 PM > To: Huang, Ray ; Kai-Heng Feng > > Cc: Zhou, David(ChunMing) ; LKML ker...@vger.kernel.org>; dri-devel@lists.freedesktop.org; Anthony Wong > ; amd-gfx list g...@lists.f

[PATCH v4 10/11] drm/amdgpu: job is secure iff CS is secure (v5)

2019-09-29 Thread Huang, Ray
Mark a job as secure, if and only if the command submission flag has the secure flag set. v2: fix the null job pointer while in vmid 0 submission. v3: Context --> Command submission. v4: filling cs parser with cs->in.flags v5: move the job secure flag setting out of amdgpu_cs_submit()

RE: [PATCH 14/14] drm/amdgpu: set TMZ bits in PTEs for secure bo (v2)

2019-09-24 Thread Huang, Ray
> -Original Message- > From: Koenig, Christian > Sent: Thursday, September 12, 2019 7:49 PM > To: Huang, Ray > Cc: amd-...@lists.freedesktop.org; dri-devel@lists.freedesktop.org; > Deucher, Alexander ; Tuikov, Luben > ; Liu, Aaron > Subject: Re: [PATCH 14/14]

RE: [PATCH 1/2] drm/ttm: also export ttm_bo_vm_fault

2019-10-02 Thread Huang, Ray
Ahh.  Reviewed-by: Huang Rui -Original Message- From: amd-gfx On Behalf Of Christian König Sent: Wednesday, October 2, 2019 4:38 AM To: amd-...@lists.freedesktop.org; dri-devel@lists.freedesktop.org Subject: Re: [PATCH 1/2] drm/ttm: also export ttm_bo_vm_fault Just a gentle ping on

RE: [PATCH 2/2] drm/radeon: finally fix the racy VMA setup

2019-10-02 Thread Huang, Ray
Reviewed-by: Huang Rui -Original Message- From: amd-gfx On Behalf Of Christian König Sent: Friday, September 27, 2019 8:34 AM To: amd-...@lists.freedesktop.org; dri-devel@lists.freedesktop.org Subject: [PATCH 2/2] drm/radeon: finally fix the racy VMA setup Finally clean up the VMA

RE: [PATCH] drm/ttm: use the parent resv for ghost objects v3

2019-10-25 Thread Huang, Ray
Reviewed-by: Huang Rui -Original Message- From: amd-gfx On Behalf Of Christian König Sent: Thursday, October 24, 2019 7:17 PM To: dri-devel@lists.freedesktop.org; amd-...@lists.freedesktop.org; Zhou, David(ChunMing) Subject: [PATCH] drm/ttm: use the parent resv for ghost objects v3

[PATCH v2 05/11] drm/amdgpu: add amdgpu_tmz data structure

2019-09-25 Thread Huang, Ray
This patch to add amdgpu_tmz structure which stores all tmz related fields. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 +- drivers/gpu/drm/amd/amdgpu/amdgpu_tmz.h | 36 + 2 files changed, 41

[PATCH v2 03/11] drm/amdgpu: define the TMZ bit for the PTE

2019-09-25 Thread Huang, Ray
From: Alex Deucher Define the TMZ (encryption) bit in the page table entry (PTE) for Raven and newer asics. Signed-off-by: Alex Deucher Reviewed-by: Huang Rui --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 +++ 1 file changed, 3 insertions(+) diff --git

[PATCH v2 01/11] drm/amdgpu: add UAPI for creating encrypted buffers

2019-09-25 Thread Huang, Ray
From: Alex Deucher Add a flag to the GEM_CREATE ioctl to create encrypted buffers. Buffers with this flag set will be created with the TMZ bit set in the PTEs or engines accessing them. This is required in order to properly access the data from the engines. Signed-off-by: Alex Deucher

[PATCH v2 04/11] drm/amdgpu: add tmz feature parameter (v2)

2019-09-25 Thread Huang, Ray
This patch adds tmz parameter to enable/disable the feature in the amdgpu kernel module. Nomally, by default, it should be auto (rely on the hardware capability). But right now, it need to set "off" to avoid breaking other developers' work because it's not totally completed. Will set "auto" till

[PATCH v2 02/11] drm/amdgpu: add UAPI to create secure commands (v3)

2019-09-25 Thread Huang, Ray
From: Luben Tuikov Add a flag to the command submission IOCTL structure which when present indicates that this command submission should be treated as secure. The kernel driver uses this flag to determine whether the engine should be transitioned to secure or unsecure, or the work can be

[PATCH v2 00/11] drm/amdgpu: introduce secure buffer object support (trusted memory zone)

2019-09-25 Thread Huang, Ray
Hi all, These series of patches introduce a feature to support secure buffer object. The Trusted Memory Zone (TMZ) is a method to protect the contents being written to and read from memory. We use TMZ hardware memory protection scheme to implement the secure buffer object support. TMZ is the

[PATCH v3 10/11] drm/amdgpu: job is secure iff CS is secure (v4)

2019-09-25 Thread Huang, Ray
Mark a job as secure, if and only if the command submission flag has the secure flag set. v2: fix the null job pointer while in vmid 0 submission. v3: Context --> Command submission. v4: filling cs parser with cs->in.flags Signed-off-by: Huang Rui Co-developed-by: Luben Tuikov Signed-off-by:

RE: [PATCH v3 10/11] drm/amdgpu: job is secure iff CS is secure (v4)

2019-09-25 Thread Huang, Ray
> -Original Message- > From: Koenig, Christian > Sent: Wednesday, September 25, 2019 10:47 PM > To: Huang, Ray ; amd-...@lists.freedesktop.org; dri- > de...@lists.freedesktop.org; Deucher, Alexander > > Cc: Tuikov, Luben ; Liu, Aaron > > Subject: Re: [PATC

[PATCH v2 07/11] drm/amdgpu: add tmz bit in frame control packet

2019-09-25 Thread Huang, Ray
This patch adds tmz bit in frame control pm4 packet, and it will used in future. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher Reviewed-by: Christian König --- drivers/gpu/drm/amd/amdgpu/nvd.h| 1 + drivers/gpu/drm/amd/amdgpu/soc15d.h | 1 + 2 files changed, 2 insertions(+) diff

[PATCH v2 06/11] drm/amdgpu: add function to check tmz capability (v4)

2019-09-25 Thread Huang, Ray
Add a function to check tmz capability with kernel parameter and ASIC type. v2: use a per device tmz variable instead of global amdgpu_tmz. v3: refine the comments for the function. (Luben) v4: add amdgpu_tmz.c/h for future use. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher ---

[PATCH v2 08/11] drm/amdgpu: expand the emit tmz interface with trusted flag

2019-09-25 Thread Huang, Ray
This patch expands the emit_tmz function to support trusted flag while we want to set command buffer in trusted mode. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher Acked-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h |

[PATCH v2 11/11] drm/amdgpu: set TMZ bits in PTEs for secure BO (v4)

2019-09-25 Thread Huang, Ray
From: Alex Deucher If a buffer object is secure, i.e. created with AMDGPU_GEM_CREATE_ENCRYPTED, then the TMZ bit of the PTEs that belong the buffer object should be set. v1: design and draft the skeletion of TMZ bits setting on PTEs (Alex) v2: return failure once create secure BO on non-TMZ

[PATCH v2 09/11] drm/amdgpu: expand the context control interface with trust flag

2019-09-25 Thread Huang, Ray
This patch expands the context control function to support trusted flag while we want to set command buffer in trusted mode. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher Acked-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +-

[PATCH v2 10/11] drm/amdgpu: job is secure iff CS is secure (v3)

2019-09-25 Thread Huang, Ray
Mark a job as secure, if and only if the command submission flag has the secure flag set. v2: fix the null job pointer while in vmid 0 submission. v3: Context --> Command submission. Signed-off-by: Huang Rui Co-developed-by: Luben Tuikov Signed-off-by: Luben Tuikov Reviewed-by: Alex Deucher

RE: [PATCH] drm/ttm: fix deref of bo->ttm without holding the lock v2

2021-06-08 Thread Huang, Ray
Looks good for me. Reviewed-by: Huang Rui -Original Message- From: Christian König Sent: Monday, June 7, 2021 8:52 PM To: dri-devel@lists.freedesktop.org; Pan, Xinhui ; Das, Nirmoy ; Huang, Ray Cc: Thomas Hellström Subject: Re: [PATCH] drm/ttm: fix deref of bo->ttm without hold

RE: [PATCH] drm/ttm: fix memleak in ttm_transfered_destroy

2021-10-21 Thread Huang, Ray
[AMD Official Use Only] > -Original Message- > From: Christian König > Sent: Thursday, October 21, 2021 5:06 PM > To: Alex Deucher ; Huang, Ray > > Cc: Maling list - DRI developers > Subject: Re: [PATCH] drm/ttm: fix memleak in ttm_transfered_destroy > >

RE: [PATCH 1/3] dma-buf: make the flags can be configured during dma fence init

2021-12-14 Thread Huang, Ray
[AMD Official Use Only] > -Original Message- > From: Koenig, Christian > Sent: Tuesday, December 14, 2021 5:24 PM > To: Huang, Ray ; dri-devel@lists.freedesktop.org; > Daniel Vetter ; Sumit Semwal > > Cc: amd-...@lists.freedesktop.org; linux-me...@vger.kernel.org;

RE: [PATCH 2/3] drm/amdgpu: fix the fence timeline null pointer

2021-12-14 Thread Huang, Ray
[AMD Official Use Only] > -Original Message- > From: Koenig, Christian > Sent: Tuesday, December 14, 2021 4:01 PM > To: Huang, Ray ; dri-devel@lists.freedesktop.org; > Daniel Vetter ; Sumit Semwal > > Cc: amd-...@lists.freedesktop.org; linux-me...@vger.kernel.org;

RE: [PATCH 1/3] dma-buf: make the flags can be configured during dma fence init

2021-12-14 Thread Huang, Ray
[AMD Official Use Only] > -Original Message- > From: Koenig, Christian > Sent: Tuesday, December 14, 2021 4:00 PM > To: Huang, Ray ; dri-devel@lists.freedesktop.org; > Daniel Vetter ; Sumit Semwal > > Cc: amd-...@lists.freedesktop.org; linux-me...@vger.kernel.org;

RE: [PATCH v2] drm/amdgpu: introduce new amdgpu_fence object to indicate the job embedded fence

2021-12-14 Thread Huang, Ray
[AMD Official Use Only] > -Original Message- > From: Koenig, Christian > Sent: Tuesday, December 14, 2021 8:26 PM > To: Huang, Ray ; dri-devel@lists.freedesktop.org; > Daniel Vetter ; Sumit Semwal > > Cc: amd-...@lists.freedesktop.org; linux-me...@vger.kernel.org;

RE: [PATCH v2] drm/amdgpu: introduce new amdgpu_fence object to indicate the job embedded fence

2021-12-14 Thread Huang, Ray
To: Huang, Ray ; dri-devel@lists.freedesktop.org; Koenig, Christian ; Daniel Vetter ; Sumit Semwal Cc: Deucher, Alexander ; amd-...@lists.freedesktop.org; Liu, Monk ; linux-me...@vger.kernel.org Subject: Re: [PATCH v2] drm/amdgpu: introduce new amdgpu_fence object to indicate the job embedded