Using kernel version for detecting kernel changes does not work for some
3rd party Linux distributions that back port kernel changes to their
kernel. The conftest script has a test for detecting if the 'vm_flags'
variable can be set directly or if the appropriate helper functions must
be used. Update the NVGPU driver to use the definition provided by
conftest to determine if the 'vm_flags' variable can set set directly or
not.
Bug 4014315
Change-Id: I6ebfbfa622259e15560152bf70315451a52fba81
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3164870
(cherry picked from commit 2c9097363d29a235eb5c41530cdd3896694599d2)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3172302
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
For Linux v6.8, the function strlcpy() has been removed. The function
strscpy() was added in Linux v4.3 and has been preferred over strlcpy().
See upstream Linux commit 30035e45753b ("string: provide strscpy()") for
more details. The Linux checkpatch.pl script warns against using
strlcpy().
The function strscpy() takes the same arguments as strlcpy(), but
returns a type of ssize_t instead of size_t. Update the NVGPU to use
strscpy() instead of strlcpy().
Bug 4448428
Change-Id: I0464b13720de20288a50375b167740ea514ca130
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3059558
(cherry picked from commit 5a12d5469192620e5c5b9e8828c728c148f10425)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3062999
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
In raw addressing mode of CBC backing storage, comptaglines are not
required to be allocated or need to programmed in the ptes. Introduce a
flag to detect if the hardware supports raw mode and use that to skip
all the comptagline allocations and respective page table programming.
JIRA NVGPU-9717
Change-Id: I0a16881fc3e897c3c408b30d1835f30564649dad
Signed-off-by: Prathap Kumar Valsan <prathapk@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2908278
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Remove NVGPU_GPU_IOCTL_ALLOC_AS_FLAGS_USERSPACE_MANAGED and
NVGPU_AS_ALLOC_USERSPACE_MANAGED flags which are used for supporting
userspace managed address-space. This functionality is not implemented
fully in kernel neither going to be implemented in near future.
Jira NVGPU-9832
Bug 4034184
Change-Id: I3787d92c44682b02d440e52c7a0c8c0553742dcc
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2882168
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This patch adds nvenc support for TU104
- Fetch engine/dev info for nvenc
- Falcon NS boot (fw loading) support
- Engine context creation for nvenc
- Skip golden image for multimedia engines
- Avoid subctx for nvenc as it is a non-VEID engine
- Job submission/flow changes for nvenc
- Code refactoring to scale up the support for other multimedia
engines in future.
Bug 3763551
Change-Id: I03d4e731ebcef456bcc5ce157f3aa39883270dc0
Signed-off-by: Santosh BS <santoshb@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2859416
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Upstream Linux commit bc292ab00f6c ("(HEAD) mm: introduce vma->vm_flags
wrapper functions") breaking building the NVGPU driver because the
vm_flags variable is made a const and can no longer be set directly. Fix
the build for Linux v6.3 by using the helper functions for setting the
flags.
Bug 4014315
Change-Id: Ie58d1f43b59167869742ff01ffe4e1841dbb1d6e
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2867167
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
The memory bandwidth reported by the nvgpu driver is a resultant of FBP and EMC floorsweeping status. The FBP floorsweep status was already getting reported in the GPU characterstics so the status of EMC was fetched and reported in this change.
Jira NVGPU-9609
Bug 3661074
Change-Id: Ia2fe6cb029d086765da15d9e964ea77256e06604
Signed-off-by: atanand <atanand@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2859237
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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dmabuf internals that nvgpu relies upon for storing meta-data for
compressible buffers changed in k6.1. For now, disable compression
on all k6.1+ kernels.
Additionally, fix numerous compilation issues due to the bit rotted
compression config. All normal Tegra products support compression
and thus have this config enabled. Over the last several years
compression dependent code crept in that wasn't protected under the
compression config.
Bug 3844023
Change-Id: Ie5b9b5a2bcf1a763806c087af99203d62d0cb6e0
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2820846
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
Tested-by: Sagar Kamble <skamble@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Now that we are planning to enable CTRL_FIFO support with NVS,
there is no need for a separate enabled flag for the same.
CTRL_FIFO support is instead determined by the presence of
NVGPU_SUPPORT_NVS enable flag alone.
For non-auto platforms, Control-Fifo can be disabled by restricting
access to /dev/nvsched_ctrl_fifo.
Jira NVGPU-8619
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: I9dbec60e5668f38e1460c43800584e88b16a2550
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2814435
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In order to share the TSG across different devices securely, device
instance IDs are to be exchanged for endpoint identification. Add
device instance ID field to gk20a_ctrl_priv which is generated
from gk20a level device instance id value.
Share this ID to userspace via gpu characteristics.
Bug 3677982
JIRA NVGPU-8681
Change-Id: I79d92a81c02272c52e24f5b12c452c8993137037
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2792079
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Scott Long <scottl@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Implement the ioctls NVGPU_TSG_IOCTL_CREATE_SUBCONTEXT and
NVGPU_TSG_IOCTL_DELETE_SUBCONTEXT. These will allocate and
free the VEID numbers.
Address space association with the VEIDs is verified to
ensure that channels association with VEIDs and address
space remains consistent.
Bug 3677982
JIRA NVGPU-8681
Change-Id: I2d913baf61a6bdeec412c58270c0024b80ca15c6
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2766765
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Add a device node for management of nvs control fifo buffers for
scheduling domains. The current design consists of a master structure
struct nvgpu_nvs_domain_sched_ctrl for management of users as well
as control queues. Initially all users are added as non-exclusive users.
Subsequent changes will add support for IOCTLS to manage opening of
Send/Receive and Event buffers, querying characteristics etc.
In subsequent changes, a user that tries to open a Send/Receive queue
will first try to reserve itself as an exclusive user and only if that
succeeds can proceed with creation of both Send/Receive queues.
Exclusive users will be reset to non-exclusive users just before they
close their device node handle.
Jira NVGPU-8128
Change-Id: I15a83f70cd49c685510a9fd5ea4476ebb3544378
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2691404
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
There shouldn't be an usecase that an fd, installed by nvgpu,
must be shared on exec with the new process. This doesn't only
lead to excessive number of fds in the exec process, but also
can lead to potential security issues.
This patch marks the fds with O_CLOEXEC, so that they get
closed on exec.
Bug 3583628
Change-Id: I3499b1429ac512b2c172e9e628d0a7a1417d72e3
Signed-off-by: Martin Radev <mradev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2704350
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
In gk20a_ctrl_dev_ioctl clk_set_info: An unscrutinized value num_entries
is used as a loop bound. An attacker could control the number of times
the loop iterates.
Loop iterator is signed int which can lead to unpredictable results,
Hence change it to u32. And sanitize the num_entries parameter.
CID 1993996
Bug 3460991
Change-Id: Ib644cf19f016ab80a3f2d66f156ca863f8e138e1
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2693942
Reviewed-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Following changes are added
1) nvgpu_gr_config->gpc_tpc_mask_physical is now indexed by physical
gpc id instead of logical id.
2) Removed the conversion of logical fbp ids and replace them with
physical ids.
3) nvgpu_gpu_instance->fbp_en_mask now contains the mask of physical fbp ids.
4) gk20a_ctrl_ioctl_gpu_characteristics returns gpu.gpc_mask returns mask
of physical ids.
Bug 200712091
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: I0e066df76e07203ff4a5be5bfff2cef8566b425d
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2648831
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Earlier, buffer metadata support was made dependent on compression.
However that is not required.
Update the enabled flag NVGPU_SUPPORT_BUFFER_METADATA setup for
various hals. Enable it for all from linux characteristics init.
Update REGISTER_BUFFER and GET_BUFFER_INFO ioctls to seggregate
the compile/runtime compression functionality.
If compression is disabled, return error in case comptags are
required else don't fail the REGISTER_BUFFER ioctl.
Bug 200767700
Change-Id: I3850ccc879f180c97b830fb3d652c094b9d28a5b
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2614378
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
The implementation already exists. This change
adds NVGPU_GR_ZBC_TYPE_STENCIL and plumbs through
the stencil value from NvRmGpuDeviceZbcAddStencil
through NVGPU_GPU_IOCTL_ZBC_SET_TABLE.
Adds cases for querying the stencil values,
enabling NvRmGpuDeviceZbcGetStencilTableEntry.
Bug 3403523
Bug 3395601
Change-Id: I42c9a2967d0433e0bb08343aabeff0fe465f231e
Signed-off-by: Pyarelal Knowles <pknowles@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2554963
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
To enable userspace query about comptags allocation status of a buffer,
comptags are to be allocated only during buffer registration done by
nvrm_gpu. Earlier, they were allocated during map.
nvrm_gpu will be sending metadata blob to be associated with the buffer.
This will have to be stored in the dmabuf privdata for all the buffers
registered by nvrm_gpu.
This patch moves the privdata allocation to buffer registration ioctl.
Remove g->mm.priv_lock as it is not needed now. This lock was added
to protect dmabuf private data setup. That private data is now
handled through dmabuf->ops and setup of dmabuf->ops is done
under dmabuf->lock.
To support legacy userspace, this patch still allocates comptags on
demand on map calls for unregistered buffers.
Bug 200586313
Change-Id: I88b2ca04c733dd02a84bcbf05060bddc00147790
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2480761
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Currently reading temperature value depeads on therm pstate
board objects. In absence of pstate reading temperature
from therm get status will be failed which will cause GVS
failure in NvRmGpuTest_Device_GetTemperature test.
This change will add support to read temperature from
therm sensor_00 register but this will have following
limitation:
- NV_THERM_I2CS_SENSOR_00 doesn't support fractional
precision.
- It doesn't support negative temperatures.
BUG-200736830
Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I25e577dac9029fcd787a6f71957dbeefd6fe43dd
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2584269
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Existing implementation of GR de-init doesn't account for multiple
instances of struct nvgpu_gr. As a fix, below changes are added.
1) nvgpu_gr_free is unified for VGPU as well as native.
2) All the GR instances are freed.
3) Appropriate NULL checks are added when freeing GR memories.
4) 2D, 3D, I2M and ZBC etc are explicitely disabled when MIG is set.
5) In ioctl_ctrl, checks are added to not return error when zbc is NULL
for VGPU as requests are rerouted to RMserver.
Jira NVGPU-6920
Change-Id: Icaa40f88f523c2cdbfe3a4fd6a55681ea7a83d12
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2578500
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Dinesh T <dt@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: Antony Clince Alex <aalex@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
At present, there is an inconsistency in the order in which
gpc_tpc masks are reported to the userspace. Both gpc and
tpc masks are reported using physical-ids. However, the
gpc_tpc_masks array is ordered by logical gpc-ids and
not physical-ids. This creates a mismatch between the gpc
reported as enabled in the gpc_mask and its corresponding
gpc_tpc_mask.
Introduce field "gpc_tpc_mask_physical" which stores the
gpc_tpc_masks in physical order and update
NVGPU_GPU_IOCTL_GET_TPC_MASKS to return this field.
Bug 200665942
Change-Id: I63aa83414a59676b7e7d36b6deb527e2f3c04cff
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2531114
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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On all chips except ga10b, the number of ROP, L2 units per FBP
were in sync, hence, their FS masks could be represented by a single
fuse register NV_FUSE_STATUS_OPT_ROP_L2_FBP. However, on ga10b, the ROP
unit was moved out from FBP to GPC and it no longer matches the number
of L2 units, so the previous fuse register was broken into two -
NV_FUSE_CTRL_OPT_LTC_FBP, NV_FUSE_CTRL_OPT_ROP_GPC.
At present, the driver reads the NV_FUSE_CTRL_OPT_ROP_GPC register
and reports incorrect L2 mask. Introduce HAL function
ga10b_fuse_status_opt_l2_fbp to fix this.
In addition, rename fields and functions to exclusively fetch L2 masks,
this should help accommadate ga10b and future chips in which L2 and ROP units
are not in same. As part of this, the following functions and
fields have been renamed.
- nvgpu_fbp_get_rop_l2_en_mask => nvgpu_fbp_get_l2_en_mask
- fuse.fuse_status_opt_rop_l2_fbp => fuse.fuse_status_opt_l2_fbp
- nvgpu_fbp.fbp_rop_l2_en_mask => nvgpu_fbp.fbp_l2_en_mask
The HAL ga10b_fuse_status_opt_rop_gpc is removed as rop mask is not
used anywhere in the driver nor exposed to userspace.
Bug 200737717
Bug 200747149
Change-Id: If40fe7ecd1f47c23f7683369a60d8dd686590ca4
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2551998
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add REMAP ioctl and accompanying support to the linux nvgpu driver.
REMAP support provides per-page control over sparse VM areas using the
concept of a virtual memory pool.
The REMAP ioctl accepts a list of operations (each a map or unmap) that
modify the VM area pages tracked by the virtual mmemory pool.
Inclusion of REMAP support in the nvgpu build is controlled by the new
CONFIG_NVGPU_REMAP flag. This flag is enabled by default for linux builds.
A new NVGPU_GPU_FLAGS_SUPPORT_REMAP characteristics flag is added for use
in detecting when REMAP support is available.
When a VM allocation tagged with NVGPU_VM_AREA_ALLOC_SPARSE is made the
base virtual memory pool resources are allocated. Per-page resources are
later allocated when the NVGPU_AS_IOCTL_REMAP ioctl is issued. All REMAP
resources are released when the corresponding VM area is freed.
Jira NVGPU-6804
Change-Id: I1f2cdc0c06c1698a62640c1c6fbcb2f9db24a0bc
Signed-off-by: scottl <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2542178
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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1) Expose logical mask instead of physical mask when MIG is enabled.
For legacy, NvGpu expose physical mask.
2) Added fb related info in struct nvgpu_gpu_instance().
4) Added utility api to get the logical id for a given local id
nvgpu_grmgr_get_gr_gpc_logical_id()
5) Added grmgr api to get max_gpc_count
nvgpu_grmgr_get_max_gpc_count().
5) Added grmgr's fbp api to get num_fbps and its enable masks.
nvgpu_grmgr_get_num_fbps()
nvgpu_grmgr_get_fbp_en_mask()
nvgpu_grmgr_get_fbp_rop_l2_en_mask()
6) Used grmgr's fbp apis in ioctl_ctrl.c
7) Moved fbp_init_support() in nvgpu_early_init()
8) Added nvgpu_assert handling in grmgr.c
9) Added vgpu hal for get_max_gpc_count().
JIRA NVGPU-5656
Change-Id: I90ac2ad99be608001e7d5d754f6242ad26c70cdb
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2538508
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Dinesh T <dt@nvidia.com>
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
