gv11b_gr_wait_for_sm_lock_down() uses nvgpu_get_poll_timeout() to
get timeout value for polling of SM lock down status.
nvgpu_get_poll_timeout() returns -1 if timeouts are disabled by
debugger, and if SM lock down fails, nvgpu lands in an infinite loop.
Use g->poll_timeout_default instead of nvgpu_get_poll_timeout() so
that explicit timeout value is always used. This also means that
timeout value of ULONG_MAX will still be used on simulation platforms.
Bug 200676073
Change-Id: I5777e98efcd63f24ade244384cf7b157dcea991d
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2478255
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Update the nvgpu_runlist_update_for_channel() function:
- Rename it to nvgpu_runlist_update()
- Have it take a pointer to the runlist to update instead
of a runlist ID. For the most part this makes the code
better but there's a few places where it's worse (for
now).
This starts the slow and painful process of moving away from
the non-runlist code using runlist IDs in many places it should
not.
Most of this patch is just fixing compilation problems with
the minor header updates.
JIRA NVGPU-6425
Change-Id: Id9885fe655d1d750625a1c8aceda9e67a2cbdb7a
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2470304
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Add CAU initialization data in const array hwpm_cau_init_data[].
Add HAL API gops.gr.get_hwpm_cau_init_data() to retrieve this data
and implement it for TU104.
Add new HAL API gops.gr.init_cau() that uses above data and
initializes all cau units. Implement this HAL only for TU104.
Invoke above sequence from nvgpu_profiler_bind_hwpm() in case of
global HWPM mode.
Jira NVGPU-5360
Change-Id: I1c7a380e9d04d6cd45fb7f746c0a79fc56675244
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2463854
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Add gv11b and tu104 HALs to get allowed HWPM resource register ranges,
offsets, and stride meta data.
Add new enum nvgpu_pm_resource_hwpm_register_type for HWPM register
type. Add new struct nvgpu_pm_resource_register_range_map to store all
the register ranges for HWPM resources. Add pointer of map in struct
nvgpu_profiler_object along with map entry count.
Add new API nvgpu_profiler_build_regops_allowlist() to build the regops
allowlist dynamically while binding the resources. Map entry count is
received with get_pm_resource_register_range_map_entry_count() and only
those resource ranges are added for which resource is reserved by
profiler object.
Add nvgpu_profiler_destroy_regops_allowlist() to destroy the allowlist
while unbinding the resources.
Add static functions allowlist_range_search() to search a register
offset in HWPM resource ranges. Add another static function
allowlist_offset_search() to search the offset in per-resource offset
list.
Add nvgpu_profiler_validate_regops_allowlist() that accepts an offset
value, checks if it is in allowed ranges using allowlist_range_search()
and then checks if offset is in allowlist using allowlist_offset_search().
Update gops.regops.exec_regops() to receive profiler object pointer as
a parameter.
Invoke nvgpu_profiler_validate_regops_allowlist() from
validate_reg_ops() if prof pointer is not-null. This will be true only
for new profiler stack and not legacy profilers.
In gr_exec_ctx_ops(), skip regops execution if offset is invalid.
Bug 2510974
Jira NVGPU-5360
Change-Id: I40acb91cc37508629c83106ea15b062250bba473
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2460001
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GVS: Gerrit_Virtual_Submit
Implement below functions:
- nvgpu_profiler_quiesce_hwpm_streamout_resident
Teardown sequence when context is resident or in case profiling
session is a device level session.
- nvgpu_profiler_quiesce_hwpm_streamout_non_resident
Teardown sequence when context is non resident
- nvgpu_profiler_quiesce_hwpm_streamout
Generic sequence to call either of above API based on whether
context is resident or not.
Trigger HWPM streamout teardown sequence while unbinding resources
in nvgpu_profiler_unbind_hwpm_streamout()
Add a new HAL gops.gr.is_tsg_ctx_resident to call
gk20a_is_tsg_ctx_resident() from common code.
Implement below supporting HALs for resident teardown sequence:
- gops.perf.pma_stream_enable()
- gops.perf.disable_all_perfmons()
- gops.perf.wait_for_idle_pmm_routers()
- gops.perf.wait_for_idle_pma()
- gops.gr.disable_cau()
- gops.gr.disable_smpc()
Jira NVGPU-5360
Change-Id: I304ea25d296fae0146937b15228ea21edc091e16
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2461333
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Update the below two regops ctxsw address types to fix misnomers:
- CTXSW_ADDR_TYPE_ROP:
This address type is used to access the PMM config registers and does not
belong to the ROP unit. Hence, rename it to CTXSW_ADDR_TYPE_PMM_FBPGS_ROP.
- CTXSW_ADDR_TYPE_BE:
This address type is used to access registers exclusively in ROP unit and not
the entire BE unit. Hence, its more appropriate to rename it to
CTXSW_ADDR_TYPE_ROP.
In addition, rename the following functions:
- pri_is_be_addr_shared => pri_is_rop_addr_shared
- pri_be_shared_addr => pri_rop_shared_addr
- pri_is_be_addr => pri_is_rop_addr
- pri_get_be_num => pri_get_rop_num
Bug 3146324
Change-Id: I8613f0972936699b2ef8f7dbe3de78582af2a35f
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2429885
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Pascal+ chips do not support updating PC sampling using register
NV_CTXSW_MAIN_IMAGE_PM (Unlike GM20B, bit 6 = PC_SAMPLING is not
present on GP10b, GV11b and TU104). To correct this in NVGPU, we
are setting the set_pc_sampling HAL to NULL.
We need to make sure devtools also does not call into
these APIs. Until the devtools team updates their code, we would
return success(0) from update_pc_sampling API even if the HAL is
set to NULL. Filed http://nvbugs/200671026 for devtools team.
Bug 200604892
Bug 200671026
Change-Id: I6334d4b2a84d7a0f676d7e2faad4befde5f76310
Signed-off-by: tkudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2437002
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Update nvgpu_gr_zbc as:
struct nvgpu_gr_zbc {
struct nvgpu_mutex zbc_lock; /* Lock to access zbc table */
struct zbc_color_table *zbc_col_tbl; /* SW zbc color table pointer */
struct zbc_depth_table *zbc_dep_tbl; /* SW zbc depth table pointer */
struct zbc_stencil_table *zbc_s_tbl; /* SW zbc stencil table pointer */
u32 min_color_index; /* Minimum valid color table index */
u32 min_depth_index; /* Minimum valid depth table index */
u32 min_stencil_index; /* Minimum valid stencil table index */
u32 max_color_index; /* Maximum valid color table index */
u32 max_depth_index; /* Maximum valid depth table index */
u32 max_stencil_index; /* Maximum valid stencil table index */
u32 max_used_color_index; /* Max used color table index */
u32 max_used_depth_index; /* Max used depth table index */
u32 max_used_stencil_index; /* Max used stencil table index */
};
Add global struct nvgpu_gr_zbc_table_indices
struct nvgpu_gr_zbc_table_indices {
u32 min_color_index;
u32 min_depth_index;
u32 min_stencil_index;
u32 max_color_index;
u32 max_depth_index;
u32 max_stencil_index;
};
Currently, hw zbc table registers are written during both
gr_init_setup_sw() and gr_init_setup_hw().
- Modify nvgpu_gr_zbc_load_default_table() to
nvgpu_gr_zbc_load_default_sw_table() to only update sw copy of zbc table
during gr_init_setup_sw().
- Modify nvgpu_gr_zbc_load_table() to write zbc values stored in sw zbc
table to hw registers.
Re-structure zbc function as per zbc type i.e. color, depth and stencil.
Add gr.zbc.init_table_indices() hal to initialize zbc indices. Valid ZBC
table indices start from 1. HW indices start from 0 for color, depth and
stencil tables. Note that the corresponding format registers follow ZBC
index range starting at 1.
- void (*init_table_indices)(struct gk20a *g,
struct nvgpu_gr_zbc_table_indices *zbc_indices);
- Add corresponding functions for legacy chips
- Add zbc color, depth and stencil table size hw defines
- Remove ltc.zbc_table_size() hal
- Update ltc.set_zbc_s_entry(), ltc.set_zbc_color_entry and
ltc.set_zbc_depth_entry() accordingly.
Bug 3122410
Bug 3122649
Change-Id: Ib799991ad35c6613534c0a6eb07f3bf24e600dc5
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2417620
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Below HALs are implemented in common.gr unit, but they really belong
to common.perf unit since they access registers from perf unit.
gops.gr.init_hwpm_pmm_register()
gops.gr.get_num_hwpm_perfmon()
gops.gr.set_pmm_register()
gops.gr.reset_hwpm_pmm_registers()
Move them to common.perf unit, and update all the code accordingly
gops.perf.init_hwpm_pmm_register()
gops.perf.get_num_hwpm_perfmon()
gops.perf.set_pmm_register()
gops.perf.reset_hwpm_pmm_registers()
Add new HAL gops.gr.get_pm_ctx_buffer_offsets() and set it to
gr_gk20a_get_pm_ctx_buffer_offsets() for all chips.
Bug 2510974
Jira NVGPU-5360
Change-Id: Ib5e84ed5c8b6e72cc6923161e55fc2c3a6a4070e
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2418306
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
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Add new HAL g->ops.gr.reset_hwpm_pmm_registers() to reset all HWPM regs
while binding HWPM in global mode in nvgpu_profiler_bind_hwpm()
Add below new HALs to get sys/gpc/fbp register list and count
g->ops.perf.get_hwpm_sys_perfmon_regs()
g->ops.perf.get_hwpm_gpc_perfmon_regs()
g->ops.perf.get_hwpm_fbp_perfmon_regs()
Auto generate all the HWPM regs in below arrays for gv11b/tu104
static const u32 hwpm_sys_perfmon_regs[]
static const u32 hwpm_gpc_perfmon_regs[]
static const u32 hwpm_fbp_perfmon_regs[]
Bug 2510974
Jira NVGPU-5360
Change-Id: I2ca5c04ed75c7b30ae942807bf018a24551d7ba0
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2414934
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gr_gv100_init_hwpm_pmm_register() and gr_gv100_set_pmm_register() right
now assume common chiplet stride for all sys/fbp/gpc and use common API
g->ops.perf.get_pmm_per_chiplet_offset() to get the stride.
Chiplet strides are same for all partitions only by chance, and future
chip might change that.
Hence add and use below 3 separate HALs to get appropriate strides.
g->ops.perf.get_pmmsys_per_chiplet_offset()
g->ops.perf.get_pmmgpc_per_chiplet_offset()
g->ops.perf.get_pmmfbp_per_chiplet_offset()
Also store sys/fbp/gpc perfmon count in struct gk20a after first query
instead of querying them again and again. Querying the counts from HW
is time consuming.
Bug 2510974
Jira NVGPU-5360
Change-Id: I186009221009780d561617c0cd6f535854db585f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2413108
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Add separate flag gpu_dbg_gr to enable common.gr specific debugging.
Add this flag to all the existing debug logs that use gpu_dbg_fn or
gpu_dbg_info for debugging. Also add many other debugging logs that
might be helpful in debugging.
Removing debug log in gv11b_gr_init_get_nonpes_aware_tpc() as it dumps
too much data that does not seem useful.
Batch all interrupt enable functions in gr_init_setup_hw() together for
readability.
Jira NVGPU-5648
Change-Id: I0b857650122cdb1f974b452d28c26e7f142baf61
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2411740
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Get number of SMs from GR instance specific nvgpu_gr_config pointer
instead of global SM count in below functions :
nvgpu_gr_fs_state_init()
gv11b_gr_init_sm_id_config()
Update nvgpu_gr_config_get_gpc_skip_mask() to return 0 in case gpc_index
is greater than available gpc_count. This is not MIG specific, but based
on code review possible even today for existing chips.
See gm20b_gr_init_pd_skip_table_gpc()
Update nvgpu_gr_get_override_ecc_val() to return GR instance specific
value.
Execute gr_init_setup_hw() for each GR instance.
Disable below failing unit tests:
nvgpu_gr_fs_state.test_gr_fs_state_error_injection
nvgpu_gr_init.test_gr_init_hal_config_error_injection
Jira NVGPU-5648
Change-Id: Ie8f1c0c304c634756786d85facf336a5c9ae8195
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2410702
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Following changes are made in this patch.
1) Change unnamed structs within gpu_ops to named structs
with the prefix gops_*.
2) Each named struct gops_ are moved into a separate gops specific file
under include/nvgpu/gops/
3) struct gpu_ops is moved into a separate file include/nvgpu/gpu_ops.h
and all other dependent struct gops_* are included in this header.
4) Direct references to include/nvgpu/gops are removed from files as its enough
to include gk20a.h.
Change-Id: Ieb22cb853be567e3bef14f5f8a04674eebd902ea
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2398776
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Implement new API nvgpu_prof_ioctl_exec_reg_ops() to support regops on
new profiler objects.
Add two new staging buffers to hold regops copied from userspace, and
to convert and execute regops in common code.
Buffers are allocated and released along with the profiler object.
New API will implements this :
- copy regops data in chunks of 4K from userspace
- store them in staging buffer
- convert the new regop struct into common regop struct and also
copy the content into second staging buffer
- trigger gops.regops.exec_regops() with second staging buffer as
operation pointer
- convert common regop struct back into new regop struct and copy
back to userspace
Export bunch of helper functions from ioctl_dbg.h. e.g.
nvgpu_get_regops_op_values_common()
Update regop execution code to skip regop execution if regop status
is not valid. This is only possible when userspace requests for
CONTINUE_ON_ERROR mode.
Add more documentation to some of the fields in UAPI header.
Note that maximum atomic operations reported by new API are same
as legacy API and are incorrect. This will be fixed up in upcoming
patches.
Bug 2510974
Jira NVGPU-5360
Change-Id: I9f82052b22143aec33f6e778c0784386744b699e
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2394208
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Rework regops execution API to accomodate below updates for new
profiler design
- gops.regops.exec_regops() should accept TSG pointer instead of
channel pointer.
- Remove individual boolean parameters and add one flag field.
Below new flags are added to this API :
NVGPU_REG_OP_FLAG_MODE_ALL_OR_NONE
NVGPU_REG_OP_FLAG_MODE_CONTINUE_ON_ERROR
NVGPU_REG_OP_FLAG_ALL_PASSED
NVGPU_REG_OP_FLAG_DIRECT_OPS
Update other APIs, e.g. gr_gk20a_exec_ctx_ops() and validate_reg_ops()
as per new API changes.
Add new API gk20a_is_tsg_ctx_resident() to check context residency
from TSG pointer.
Convert gr_gk20a_ctx_patch_smpc() to a HAL gops.gr.ctx_patch_smpc().
Set this HAL only for gm20b since it is not required for later chips.
Also, remove subcontext code from this function since gm20b does not
support subcontext.
Remove stale comment about missing vGPU support in exec_regops_gk20a()
Bug 2510974
Jira NVGPU-5360
Change-Id: I3c25c34277b5ca88484da1e20d459118f15da102
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2389733
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- NvRmGpuDeviceSetSmDebugMode uses regops interface.
- NvRmGpuDeviceTriggerSuspend, NvRmGpuDeviceWaitForPause,
and NvRmGpuDeviceResumeFromPause should return error on Pascal+. Use
regops interface to suspend/resume.
- On non-cilp devices(Maxwell), NvRmGpuDeviceTriggerSuspend,
NvRmGpuDeviceWaitForPause, NvRmGpuDeviceResumeFromPause and
NvRmGpuDeviceSetSmDebugMode are used when debugger(including coredump,
memcheck) is attached or when CUDA application uses a syscall that
requires traphandler(assert, cnp).
Bug 2558022
Bug 2559631
Bug 2706068
JIRA NVGPU-5502
Change-Id: I9eb2ab0c8c75c50f53523d8bf39c75f98b34f3f0
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2376159
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The driver configures the sm hww global, warp ESR report masks during poweron
as part of gops_gr.gr_init_support. However, during golden context init, these
are overwritten with default entries from sw_ctx_load list; this leaves the
report masks in a state inconsistent with the driver expectation.
The driver should configure the sm hww warp, global ESR report masks during
golden context init and not before it; Hence, move set_hww_esr_report_mask from
power-on path to golden context init.
In addition, update set_hww_esr_report_mask to do RMW, so as to retain the
values loaded from sw_ctx_load list.
Update global ESR report mask to enable all exceptions.
Bug 3029888
Bug 2997718
Change-Id: Id7ad4cff5409982143f49695c95c5e1d1c9fdec9
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2367466
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GVS: Gerrit_Virtual_Submit
Add tu104 specific HAL tu104_gr_falcon_ctrl_ctxsw() that processes below
CTXSW methods to start/stop SMPC global mode :
NVGPU_GR_FALCON_METHOD_START_SMPC_GLOBAL_MODE
NVGPU_GR_FALCON_METHOD_STOP_SMPC_GLOBAL_MODE
Add new tu104 specific HAL tu104_gr_update_smpc_global_mode() to trigger
SMPC global mode start/stop using gops.gr.falcon.ctrl_ctxsw().
Update nvgpu_dbg_gpu_ioctl_smpc_ctxsw_mode() to enable/disable SMPC
global mode if channel is not bound to debug session.
Bug 2510974
Bug 2257799
Jira NVGPU-5360
Change-Id: I1f9d8f2a2d30a4738f291db3fc72c400d24f4048
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2368696
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Below APIs to update hwpm/smpc ctxsw mode take a channel pointer as a
parameter. APIs then extract corresponding TSG from channel and perform
various operations on context stored in TSG.
g->ops.gr.update_smpc_ctxsw_mode()
g->ops.gr.update_hwpm_ctxsw_mode()
Update both above APIs to accept TSG pointer instead of a channel.
This is a refactor work to support new profiler design where a profiler
object is bound to TSG and keeps track of TSG only.
Bug 2510974
Jira NVGPU-5360
Change-Id: Ia4cefda503d8420f2bd32d07c57534924f0f557a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2366122
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quad type reg_ops were only needed on Kepler, and not for any other chip
beginning Maxweel.
HAL g->ops.gr.access_smpc_reg() was incorrectly set for Volta and Turing
whereas it was only applicable to Kepler. Delete it.
There is no register in the quad type whitelist since the type itself is
not supported anymore. Remove the empty whitelists for all chips and
also delete below HALs:
g->ops.regops.get_qctl_whitelist()
g->ops.regops.get_qctl_whitelist_count()
hal/regops/regops_gv100.* files are not used anymore. Delete the files
instead of just deleting quad HALs in these files.
Bug 200628391
Change-Id: I4dcc04bef5c24eb4d63d913f492a8c00543163a2
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
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This patch removes the reporting of _ECC_CORRECTED errors which are
not applicable to GV11B. Specifically, this patch removes the code
related to the reporting of the following service IDs:
NVGUARD_SERVICE_IGPU_SM_SWERR_LRF_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_CBU_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_PMU_SWERR_FALCON_DMEM_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_GPCCS_SWERR_FALCON_DMEM_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_FECS_SWERR_FALCON_DMEM_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_GCC_SWERR_L15_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_MMU_SWERR_L1TLB_FA_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_MMU_SWERR_L1TLB_SA_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_HUBMMU_SWERR_L2TLB_SA_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_HUBMMU_SWERR_TLB_SA_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_HUBMMU_SWERR_PTE_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_HUBMMU_SWERR_PDE0_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_ICACHE_L0_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_L1_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_ICACHE_L0_PREDECODE_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_ICACHE_L1_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_ICACHE_L1_PREDECODE_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_L1_TAG_MISS_FIFO_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_L1_TAG_S2R_PIXPRF_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_LTC_SWERR_CACHE_TSTG_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_LTC_SWERR_CACHE_RSTG_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_LTC_SWERR_CACHE_DSTG_BE_ECC_CORRECTED
Bug 200616002
Change-Id: I199c396f9f6a6be007bd6d3c556199b5a73c3c91
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2349587
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Reviewed-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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Currently, nvgpu_writel_loop() writes to a register and immediately
checks if register value is updated. It might take some time for
hardware registers to get updated with value written by software.
Modify nvgpu_writel_loop() to accept number of retries to check if
register value is updated and assert with nvgpu_assert().
Also, move nvgpu_writel_loop() to common code and use generic
nvgpu_readl() and nvgpu_writel() APIs.
JIRA NVGPU-5490
Change-Id: Iaaf24203a91eee3d05de7d0c7dea18113367de5f
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2348628
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The gk20a_debug_dump() function implicitly adds a newline since it
uses nvgpu_err() under the hood (for uart destined prints). For the
seq_file destined writes it does not so there is an annoying inconsistency.
Remove the newline that many of the gk20a_debug_dump() calls add and add
the newline to the (now) seq_printf() call. This reduces the length of
debug dump logs and speeds them up - UART is _very_ slow after all.
Also cleanup some formatting issues in the various debug prints I
happened to notice.
JIRA NVGPU-5541
Change-Id: Iabf853d5c50214794fc4cbb602dfffabeb877132
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2347956
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