Update PES, ROP exception handling for NVGPU_ERRATA_3524791. Enable the
errata for all Volta+ chips.
ROP, PES exceptions are being reported using the physical-id,
where logical-id should have been used. All ESR status registers are
reported using logical-id, so this matches with the SW expectation.
To address the (1), update ROP, PES exception handler translate from
physical to logical-id before reading the status registers.
Bug 3524791
Change-Id: Ieacbfb306bb0e69cf0113dc92f18e401573722e3
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2680029
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Volta+ chips supports PES floorsweeping and Ampere+(iGPU) chips supports
ROP floorsweeping. At present, the driver isn't aware of PES, ROP
floorsweeping, make the driver PES, ROP floorsweeping aware by introducing the
following fields in nvgpu_gr_config:
- gpc_(rop/pes)_mask: Contains the bit mask of non FSed ROP/PES units per GPC.
- gpc_(rop/pes)_logical_id_map: Translates per GPC ROP/PES physical id to
logical id.
Introduce the following HAL functions to read PES/ROP FS data:
- gops_fuse.fuse_status_opt_(pes/rop)_gpc: This fuction gets the FS
config from the fuse.
- gops_top.get_max_(pes/rop)_per_gpc: Gets the maximum number of PES/ROP
units that can be present in a GPC.
In addition, introduce the enabled flag NVGPU_SUPPORT_PES_FS to identify chips
which support PES floorsweeping, piggyback on NVGPU_SUPPORT_ROP_IN_GPC
enabled flag to identify ROP floorsweeping.
Bug 3524791
Change-Id: I065bab6c02618fe38892c8c890b069c340b85301
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2679570
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Add new profiler resource type NVGPU_PROFILER_PM_RESOURCE_TYPE_PC_SAMPLER.
Introduce regops HAL get_hwpm_pc_sampler_register_ranges to get
allowlist for PC_SAMPLER resources. Re-generate allowlist files to include
register ranges for PC_SAMPLER resources.
Update uapi header to advertise new resource type
NVGPU_PROFILER_PM_RESOURCE_ARG_PC_SAMPLER.
Bug 3408536
Change-Id: I7009ef822665771eed727da48ef1e89dcc6b9c4b
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2689057
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: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Below listed HSI are handled with PMU ISR handler and
all these triggers interrupt from individual unit upon issue.
-Add ECC check for IMEM, DMEM, DCLS, REG, and MPU as per
HSI req
-Add MEMERR check for GPU_PMU_ACCESS_TIMEOUT_UNCORRECTED
PMU HSI id
-Add IOPMP check for GPU_PMU_ILLEGAL_ACCESS_UNCORRECTED
PMU HSI id
-Add WDT check for GPU_PMU_WDT_UNCORRECTED PMU HSI id
Bug 3491596
Bug 3366818
Change-Id: I751d653e447017ac62a2459da2c6bb9da506f438
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2686566
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-Add check for ECC parity errors in IMEM, DMEM, EMEM, DCLS, REG
for ACR running in GSP engine.
The EXTIRQ3 external interrupt is set from ACR pointing towards host.
-Add function to check error type when ACR or Bootrom execution fails
and report accordingly to SDL with relevant error codes.
This is a part of HSI safety requirements.
Bug 3564039
Jira NVGPU-8108
Change-Id: I65407371f7a1d1ba50a10bdf443ef6b903eeaa36
Signed-off-by: mpoojary <mpoojary@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678100
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a. LAUNCH_ERR
- Userspace error.
- Triggered due to faulty launch.
- Handle using recovery to reset CE engine and teardown the
faulty channel.
b. An INVALID_CONFIG -
- Triggered when LCE is mapped to floorswept PCE.
- On iGPU, we use the default PCE 2 LCE HW mapping.
The default mapping can be read from NV_CE_PCE2LCE_CONFIG
INIT value in CE refmanual.
- NvGPU driver configures the mapping on dGPUs (currently only on
Turing).
- So, this interrupt can only be triggered if there is
kernel or HW error
- Recovery ( which is killing the context + engine reset) will
not help resolve this error.
- Trigger Quiesce as part of handling.
c. A MTHD_BUFFER_FAULT -
- NvGPU driver allocates fault buffers for all TSGs or contexts,
maps them in BAR2 VA space and writes the VA into channel
instance block.
- Can be triggered only due to kernel bug
- Recovery will not help, need quiesce
d. FBUF_CRC_FAIL
- Triggered when the CRC entry read from the method fault buffer
does not match the computed CRC from the methods contained in
the buffer.
- This indicates memory corruption and is a fatal interrupt which
at least requires the LCE to be reset before operations can
start again, if not the entire GPU.
- Better to quiesce on memory corruption
CE Engine reset (via recovery) will not help.
e. FBUF_MAGIC_CHK_FAIL
- Triggered when the MAGIC_NUM entry read from the method fault
buf does not match NV_CE_MTHD_BUFFER_GLOBAL_HDR_MAGIC_NUM_VAL
- This indicates memory corruption and is a fatal interrupt
- Better to quiesce on memory corruption
f. STALLING_DEBUG
- Only triggered with SW write for debug purposes
- Debug interrupt, currently ignored
Move launch error handling from GP10b to GV11b HAL as -
1. LAUNCHERR_REPORT errcode METHOD_BUFFER_ACCESS_FAULT is not
defined on Pascal
2. We do not support GP10b on dev-main ToT
JIRA NVGPU-8102
Change-Id: Idc84119bc23b5e85f3479fe62cc8720e98b627a5
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678893
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Add new HAL gops.gr.init.set_default_gfx_regs() to set graphics specific
PRI values for graphics contexts in function nvgpu_gr_obj_ctx_alloc().
Add new HAL gops.gr.init.capture_gfx_regs() to capture and save init
values for the PRIs. Add new struct nvgpu_gr_obj_ctx_gfx_regs to hold the
PRI init values.
Define HAL functions gv11b_gr_init_set_default_gfx_regs() and
gv11b_gr_init_capture_gfx_regs(). Set the HAL functions for
gv11b and ga10b.
Register accessors required to set PRIs are auto-generated.
Bug 3506078
Change-Id: I4c2843a274f3c924e402541e600e104ed0c9ed1c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2671598
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-by: Jonathan Mccaffrey <jmccaffrey@nvidia.com>
GVS: Gerrit_Virtual_Submit
Below CE interrupts do not have any users(usecases) on safety build;
disable them only on safety build.
1. BLOCKPIPE stall intr: Not used by GFX(VKSC) and CUDA on safety.
2. NONBLOCK_PIPE nonstall intr: Non-stall intrs are not supported
on safety build. Also, this one is not used by GFX(VKSC)
and CUDA.
3. STALLING_DEBUG intr: Added in Orin tree. It is only needed for
debugging. Disable on safety build as there is no current
usage in driver.
4. POISON_ERROR intr: Poison is a fault containment and not
supported on GA10b.
5. INVALID_CONFIG intr: Floor sweeping not supported on functional
safety SKU.
Bug 3548082
Change-Id: I8d97ccb38f138b2c04a780e1c255a64d28723405
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2671927
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Falcon safety debug flag was previously disabled for safety debug
profile. This patch enables the flag support for safety debug.
copy_from_dmem function is required to copy the debug info from
dmem debug buffer whenever there's an error generated.
Hence, moved copy_from_dmem function to fusa file from non-fusa
and added ifdef condition to only enable when non-fusa or falcon debug
flag is set.
Also, some fixes for type conversion error in falcon_debug.c during
compilation.
Bug 3482988
Change-Id: Ic0ea32b3227b84d4ba0835e6e1aeb40f58ec7327
Signed-off-by: mpoojary <mpoojary@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2673900
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Replace ga10b_ptimer_isr with gk20a_ptimer_isr.
Remove GPU_PRI_ACCESS_VIOLATION reporting from gp10b hal as only
ga10b should be reporting these errors.
GPU_PRI_TIMEOUT_ERROR was only reported from ptimer ISR. However,
it is to be reported when error code is 0xbadf10xx that can be
seen through priv_ring ISR as well. Hence report this error
from ga10b_priv_ring_decode_error_code called from both bus
and priv_ring isr.
For other error cases GPU_PRI_ACCESS_VIOLATION is reported.
Other updates for priv_ring error handling are given below:
1. Add extra info decode functions for error codes:
- 0xbad001xx, 0xbad002xx, 0xbad0daxx - decode_host_pri_error
- 0xbadf13xx - decode_fecs_floorsweep_error
- 0xbadf24xx, 0xbadf25xx, 0xbadf26xx - decode_gcgpc_error &
decode_pri_local_decode_error
- 0xbadf20xx, 0xbadf22xx - decode_fecs_pri_orphan_error
- 0xbadf52xx - decode_pri_indirect_access_violation
- 0xbadf60xx - decode_pri_lock_sec_sensor_violation
2. Add more info prints to decode_pri_falcom_mem_violation.
3. Add entry for extra info corresponding to 0x41 to
pri_client_error_extra_4x.
4. Separate extra info decode function for error 0xbadf50xx.
JIRA NVGPU-7986
Change-Id: I519a66e8a7a158de23ced5a092a2ebfd62c305be
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2671337
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
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
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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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>
Reviewed-by: mobile promotions <svcmobile_promotions@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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