The timestamp control register in the SMCARB should be configured to have
the NV_PSMCARB_TIMESTAMP_CTRL_DISABLE_TICK field cleared, otherwise the PTIMER
ticks will not be sent to GR engine. Hence, remove the pre-processor checks
around grmgr.load_timestamp_prod call.
Bug 3510460
Bug 3500065
Change-Id: I223cea1aca28a9215287f540eb961a16e3fe6626
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2671021
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The ctxsw ucode saves all the ctxsw'ed TPC priv registers in the TPC
priv segment of the ctxsw image. In ga10b, these registers can be stored
in either of the two arrangements:
- INTERLEAVED: means the format is sorted by address first, then by TPC number
- MIGRATION: exact opposite of interleaved.
Update HAL functions gr_ga10b_process_context_buffer_priv_segment,
gr_ga10b_find_priv_offset_in_buffer to detect the register layout and
calculate the register offset accordingly.
Bug 200737000
Bug 3532165
Change-Id: I305509cf89498cb0c2c5bfa1d867272bdf5f42b3
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2665491
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This patch does the following changes:
- Compiles-out unused error reporting APIs and the related
data structures from safety build. For this purpose, it
introduces the new flag: CONFIG_NVGPU_INTR_DEBUG
- Updates nvgpu_report_err_to_sdl() API with one more argument,
hw_unit_id. This aids in finding whether an error to be reported
is corrected or uncorrected from LUT.
- Triggers SW quiesce, if an uncorrected error is reported to
Safety_Services, in safety build.
- Renames files in cic folder by replacing gv11b with ga10b,
since error reporting for gv11b is not supported in dev-main.
JIRA NVGPU-8002
Change-Id: Ic01e73b0208252abba1f615a2c98d770cdf41ca4
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2668466
Reviewed-by: Tejal Kudav <tkudav@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: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit
Add following HALs for Ga100 and Ga10b. These will
be used for calculating chiplet offsets corresponding
to GPC/FBP perf register.
get_pmmgpcrouter_per_chiplet_offset
get_pmmfbprouter_per_chiplet_offset
get_hwpm_fbp_perfmon_regs_base
get_hwpm_gpc_perfmon_regs_base
get_hwpm_fbprouter_perfmon_regs_base
get_hwpm_gpcrouter_perfmon_regs_base
Bug 200712091
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: Iec1a16ef4a3c26dca054c30d95bef991983dc2b7
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2648832
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In DRIVE 6.0, NvGPU is allowed to report only 32-bit metadata to
Safety_Services. So, there is no need to have distinct APIs for
reporting errors from units like GR, MM, FIFO to SDL unit. All
these error reporting APIs will be replaced with a single API. To
meet this objective, this patch does the following changes:
- Replaces nvgpu_report_*_err with nvgpu_report_err_to_sdl.
- Removes the reporting of error messages.
- Replaces nvgpu_log() with nvgpu_err(), for error reporting.
- Removes error reporting to Safety_Services from nvgpu_report_*_err.
However, nvgpu_report_*_err APIs and their related files are not
removed. During the creation of nvgpu-mon, they will be moved under
nvgpu-rm, in debug builds.
Note:
- There will be a follow-up patch to fix error IDs.
- As discussed in https://nvbugs/3491596 (comment #12), the high
level expectation is to report only errors.
JIRA NVGPU-7450
Change-Id: I428f2a9043086462754ac36a15edf6094985316f
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2662590
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- implemented device info cmd to send device info to the gsp for
runlist submission. Currently GSP scheduler support only GR
engine '0' instance.
- implemented runlist submit cmd. GSP firmware will submit the
corresponding runlist by writing into submit registers. This
command is direct replacement of hw_submit ga10b hal for GR engine.
NVGPU-6790
Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I5dc573a6ad698fe20b49a3466a8e50b94cae74df
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2608923
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Currently, VAB implementation is using fixed number of access bits. This
value can be computed using fb_mmu_vidmem_access_bit_size_f() value.
- Modify VAB implementation to compute number of access bits.
- Modify nvgpu_vab structure to hold VAB entry size corresponding to
number of access bits.
- Information given by nvgpu_vab structure is more related to the GPU
than nvgpu_mm structure. Move nvgpu_vab struct element to gk20a struct.
- Add fb.set_vab_buffer_address to update vab buffer address in hw
registers.
- Rename gr.vab_init HAL to gr.vab_reserve to avoid any confusion about
when this HAL should be used.
-Replace gr.vab_release and gr.vab_recover with gr.vab_configure HAL.
Bug 3465734
Change-Id: I1b67bfa9be7728be5bda978c6bb87b196d55ab65
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2659467
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Martin Radev <mradev@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
GVS: Gerrit_Virtual_Submit
At present, for each resume cycle the driver sends the
"nvgpu_cbc_op_clear" command to L2 cache controller, this causes the
contents of the compression bit backing store to be cleared, and results
in corrupting the metadata for all the compressible surfaces already allocated.
Fix this by updating cbc.init function to be aware of resume state and
not clear the compression bit backing store, instead issue
"nvgpu_cbc_op_invalide" command, this should leave the backing store in a
consistent state across suspend/resume cycles.
The updated cbc.init HAL for gv11b is reusable acrosss multiple chips, hence
remove unnecessary chip specific cbc.init HALs.
Bug 3483688
Change-Id: I2de848a083436bc085ee98e438874214cb61261f
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2660075
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gops.gr.init.set_default_compute_regs() HAL configures compute specific
settings in safety build and this eliminates need of using SW methods.
Define this HAL for Orin safety build and configure sked check related
registers from the HAL. Other settings done on gv11b are no more
applicable for ga10b safety.
Bug 3456240
Change-Id: Ic125cdf414a5402511949015e3424b8cb2dab1e0
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2646284
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This patch performs the following improvements for VAB:
1) It avoids an infinite loop when collecting VAB information.
Previously, nvgpu incorrectly assumed that the valid bit would
be eventually set for the checker when polling. It may not be set
if a VAB-related fault has occurred.
2) It handles the VAB_ERROR mmu fault which may be caused for various
reasons: invalid vab buffer address, tracking in protected mode,
etc. The recovery sequence is to set the vab buffer size to 0 and
then to the original size. This clears the VAB_ERROR bit. After
reseting, the old register values are again set in the recovery
code sequence.
3) Use correct number of VAB buffers. There's only one VAB buffer on
ga10b, not two.
4) Simplify logic.
Bug 3374805
Bug 3465734
Bug 3473147
Change-Id: I716f460ef37cb848ddc56a64c6f83024c4bb9811
Signed-off-by: Martin Radev <mradev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2621290
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The flag pmu->pg->golden_image_initialized is set to
true during initial GPU context creation and is not
cleared while the GPU goes into pm_suspend (during railgate).
Hence, when the GPU resumes after un-railgate it retains
the previous value which can cause ELPG to kick in immediately.
Due to this, when ELPG and Railgating are enabled, IDLE_SNAP
is seen for read access of gr_gpc0_tpc0_sm_arch_r reg.
To resolve this, if golden image is ready set the
pmu->pg->golden_image_initialized to suspend state during railgate,
to delay the early enable of ELPG. Add a new
pmu_init_golden_img_state hal in the NVGPU_INIT_TABLE_ENTRY.
This will be called after all the GR access is done and GPU resumes
completely after un-railgate. This hal will then check if
golden_image_initialized flag is in suspend state, it will set it
to ready state and then re-enable ELPG.
Bug 3431798
Change-Id: I1fee83e66e09b6b78d385bbe60529d0724f79e79
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2639188
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Most of the Orin chip specific code is compiled out of safety build
with CONFIG_NVGPU_NON_FUSA and CONFIG_NVGPU_HAL_NON_FUSA. Remove the
config protection from Orin/GA10B specific code. Currently all code
is enabled. Code not required in safety will be compiled out later
in separate activity.
Other noteworthy changes in this patch related to safety build:
- In ga10b_ce_request_idle(), add a log print to dump num_pce so that
compiler does not complain about unused variable num_pce.
- In ga10b_fifo_ctxsw_timeout_isr(), protect variables active_eng_id and
recover under CONFIG_NVGPU_KERNEL_MODE_SUBMIT to fix compilation
errors of unused variables.
- Compile out HAL gops.pbdma.force_ce_split() from safety since this HAL
is GA100 specific and not required for GA10B.
- Compile out gr_ga100_process_context_buffer_priv_segment() with
CONFIG_NVGPU_DEBUGGER.
- Compile out VAB support with CONFIG_NVGPU_HAL_NON_FUSA.
- In ga10b_gr_intr_handle_sw_method(), protect left_shift_by_2 variable
with appropriate configs to fix unused variable compilation error.
- In ga10b_intr_isr_stall_host2soc_3(), compile ELPG function calls
with CONFIG_NVGPU_POWER_PG.
- In ga10b_pmu_handle_swgen1_irq(), move whole function body under
CONFIG_NVGPU_FALCON_DEBUG to fix unused variable compilation errors.
- Add below TU104 specific files in safety build since some of the code
in those files is required for GA10B. Unnecessary code will be
compiled out later on.
hal/gr/init/gr_init_tu104.c
hal/class/class_tu104.c
hal/mc/mc_tu104.c
hal/fifo/usermode_tu104.c
hal/gr/falcon/gr_falcon_tu104.c
- Compile out GA10B specific debugger/profiler related files from
safety build.
- Disable CONFIG_NVGPU_FALCON_DEBUG from safety debug build temporarily
to work around compilation errors seen with keeping this config
enabled. Config will be re-enabled in safety debug build later.
Jira NVGPU-7276
Change-Id: I35f2489830ac083d52504ca411c3f1d96e72fc48
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2627048
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Introduce HAL function gops.mssnvlink.get_links, this function retrieves
the number of nvlinks supported by the chip along with their base
addresses.
Update ga10b_mssnvlink_init_soc_credits to call mssnvlink.get_links.
Jira NVGPU-6641
Change-Id: I4ff857925f126bf41dc83eebc5723403244f66b0
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2618368
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Make ga10b_init_nvlink_soc_credits OS agnostic by replacing OS
specific functions with corresponding nvgpu wrappers. This function is now
assigned to gops.mssnvlink.init_soc_credits HAL.
Introduce nvgpu wrapper, nvgpu_io_map/unmap to map/unmap specified
physical address range.
Jira NVGPU-6641
Change-Id: I337bc75b8ec36552fe471bf5e42f62c19f67ed4a
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2618237
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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
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GPU HW expects physically contiguous addresses when clearing
the compression bit store in memory. Currently on hypervisor setup,
the DMA_ATTR_FORCE_CONTIGUOUS flag ensures contiguous IPA, but it
is not possible to ensure contiguous physical memory.Disable
compression on virtualized environments until physically contiguous
memory is feasible.
Buffer Metadata support is dependent on compression support.
Move the initialization of NVGPU_SUPPORT_BUFFER_METADATA flag to
common code where NVGPU_SUPPORT_COMPRESSION is initialized.
Bug 200780546
Change-Id: Id94bffc878e275a80948880f0475162d0bb4ddae
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2607830
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- For older chips, nvgpu used to set some registers for ELPG
sequencer settings
- These writes are no longer required post-Turing as these
programming have been updated into the HW default values
itself and the register definitions have been changed to
help improve security as well.
- Set the pmu_setup_elpg HAL to NULL
Bug 200766930
Bug 3389932
Change-Id: I3820b14c8491f8180b2feb28cb38e23462546655
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2607599
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- On pre-silicon platform, static pg will be
done by nvgpu driver. For this, retain structs
and HALs of static pg.
- Add the static pg support under pre-silicon code.
- On silicon, the static pg will be done by BPMP.
- Rename variables used in static pg for better
readability and consistency
Bug 200768322
JIRA NVGPU-6433
Change-Id: Ib31c0f83b751c2b1563a36bd51af78a0bd12a117
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2594801
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common.fbp has two interfaces to initialize FBP:
1. Public API nvgpu_fbp_init_support
2. HAL fbp.fbp_init_support
nvgpu_fbp_init_support() is only used to initialize HAL
fbp.fbp_init_support. Remove the HAL and use the API directly.
JIRA NVGPU-6644
Change-Id: I2c455e09dbcf5e4fb1dc370b284e4f0d5c678b40
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2592047
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This patch fixes a bug in the cbc initialization code for ga10b,
where it was erroneously assumed that a fixed ltc count of only one
should be used for historical reasons. For volta and later, the full
ltc count should be used in cbc-related computation.
Ensure
- CBC base address is 64K aligned
- CBC start address lies within CBC allocated memory
Check CBC is marked safe only for silicon platform.
Bug 3353418
Change-Id: I5edee2a78dc9e8c149e111a9f088a57e0154f5c2
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2585778
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After CONFIG_UBSAN kernel compilation flag to know any shifting
cause overflow or not enablement ,this is identified.
The register "gr_fe_tpc_fs_r(gpc_index)" is read only after
Volta. The gops where we are computing the index is not needed.
Bug 200727116
Change-Id: Ib2306103389ba9df77fd59d012ec70e775104989
Signed-off-by: dt <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2573296
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There is HW specific limit on number of channel entries that can be
added for each TSG entry in runlist. Right now there is no checking
to enforce this from SW and hence if User binds more than supported
channels to same TSG, invalid TSG formation error interrupts are
generated.
Fix this by adding appropriate checks in below steps :
- Add new field ch_count to struct nvgpu_tsg to keep track of
channels bound to TSG.
- Define new hal gops.runlist.get_max_channels_per_tsg() to retrieve
HW specific maximum channel count per TSG.
- Implement the HAL for gk20a and gv11b chips, and assign new HALs for
all chips appropriately.
- Increment ch_count while binding the channel to TSG and decrement it
while unbinding.
- While binding channel to TSG, Check if current channel count is
already equal to max channel count. If yes, print an error and bail
out.
Bug 200763991
Change-Id: Ic5f17a52e0fb171d1c020bf4f085f57cdb95f923
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2582095
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
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GVS: Gerrit_Virtual_Submit
ECC counter structures are freed without removing the node from the
stats_list. This can lead to invalid access due to dangling pointers.
Update the ecc counter free logic to set them to NULL upon free, to
remove them from stats_list and free them by validation.
Also updated some of the ecc init paths where error was not propa-
gated to callers and full ecc counters deallocation was not done.
Now, calling unit ecc_free from any context (with counters alloc-
ated or not) is harmless as requisite checks are in place.
bug 3326612
bug 3345977
Change-Id: I05eb6ed226cff9197ad37776912da9dcb7e0716d
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2565264
Tested-by: Ashish Mhetre <amhetre@nvidia.com>
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Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Currently, cbc init and compression tests are failing because MMU marks
cbc to be not safe.
- Modify cbc.get_base_divisor hal to use ltc_count = 1 for Tegra devices
- Update fb.cbc_configure to write compbit_backing_size value to
fb_mmu_cbc_top register.
- After config confirm that CBC is marked safe.
Bug 3353418
Change-Id: I1e9c27f47f7bfcf476f2499231951382e2e8653d
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2570550
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Tested-by: V M S Seeta Rama Raju Mudundi <srajum@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Enable nvriscv debug buffer feature in NVGPU.
Debug buffer is a feature to print the debug log from ucode onto console
in real time.
Debug buffer feature uses the DMEM, queue and SWGEN1 interrupt to share
ucode debug data with NVGPU.
Ucode writes debug message to DMEM and updates offset in queue to trigger
interrupt to NVGPU.
NVGPU copies the debug message from DMEM to local buffer to process and
print onto console.
Debug buffer feature is added under falcon unit and required engine
can utilize the feature by providing required param through public
functions.
Currently GA10B NVRISCV NS/LS PMU ucode has support for this feature
and enabled support on NVGPU side by adding required changes, with this
feature enabled, it is now possible to see prints in real time.
JIRA NVGPU-6959
Change-Id: I9d46020470285b490b6bc876204f62698055b1ec
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2548951
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: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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Changes:
- This change will only init gsp software
state, nvgpu_gsp_bootstrap need to be called.
- CONFIG_NVGPU_GSP_SCHEDULER flag is created to
compile out the gsp scheduler code when needed.
- Created GSP engine reset which is needed when
ACR completed execution and need to load gsp fw.
NVGPU-6783
Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I2ce43e512b01df59443559eab621ed39868ad158
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2554267
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
