- Add gops_fbp_fs and gops_gpc_pg struct
- Add HALs to write to NV_FUSE_CTRL_OPT_FBP and
NV_FUSE_CTRL_OPT_GPC fuses needed for floorsweeping
- Add set_fbp_mask and set_gpc_mask to probe FBP and GPC mask
respectively during gpu probe
- Add sysfs node: fbp_fs_mask and gpc_fs_mask to store
FBP and GPC floorsweeping mask sent from userspace
- Move the floorsweeping programming early in NVGPU’s GPU init
function and then issue a PRI init.
JIRA NVGPU-6433
Change-Id: I84764d625c69914c107e1e8c7f29c476c2f64f78
Signed-off-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2499571
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>
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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
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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
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Issue observed:
- In GA10B, it was observed that after recovery happens
ELPG does not engage.
- It was because, after CE reset, when nvgpu_submit_twod test
was run to engage ELPG, IDLE_FLIPPED_PWR_OFF signal was asserted.
- This means that when ELPG was engaged (engine is in PWR_OFF),
some idle signal flips (becomes non-idle) and this causes
IDLE_SNAP. After IDLE_SNAP is hit, ELPG will not engage further.
- After debugging from WAVES, it was observed that:
LCE0/LCE1 are not done with the reset sequence.
- The state of these LCE is RESET0. A pri request (pri read
to NV_CE_PCE_MAP register in CE) is seen that kicks it out of
RESET0. After this state, it goes through few states to update
some internal states (states RESET1/RESET2/PCE_MAP etc) and then
eventually settles down to IDLE state.
Solution:
- Read ce_pce_map_r register in recovery sequence (after ce reset).
- It is observed that when this read is added recovery is complete
and post that when nvgpu_submit_two test is executed, ELPG is engaging.
- This means that a pri read is needed after CE reset so that it settles
to idle state properly and post that ELPG can engage properly.
Bug 200734258
Change-Id: I5bb84921ca62a740fde81ffe6c29ccde4ebb341b
Signed-off-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2554493
Reviewed-by: svcacv <svcacv@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: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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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
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This CL covers the following modifications,
1) Added logic to skip the graphics unit specific sw context load
register write during context creation when MIG is enabled.
2) Added logic to skip the graphics unit specific sw method
register write when MIG is enabled.
3) Added logic to skip the graphics unit specific slcg and blcg gr
register write when MIG is enabled.
4) Fixed some priv errors observed during MIG boot.
5) Added MIG Physical support for GPU count < 1.
6) Host clk register access is not allowed for GA100.
So skipped to access host clk register.
7) Added utiliy api - nvgpu_gr_exec_with_ret_for_all_instances()
8) Added gr_pri_mme_shadow_ram_index_nvclass_v() reg field
to identify the sw method class number.
Bug 200649233
Change-Id: Ie434226f007ee5df75a506fedeeb10c3d6e227a3
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2549811
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common.cic unit is divided into common.cic.mon and common.cic.rm
based on rm and mon process split.
CIC-mon subunit includes the code which is utilized in critical
interrupt handling path like initialization, error detection and
error reporting path. CIC-rm subunit includes the code corresponding
to rest of interrupt handling(like collecting error debug data from
registers) and ISR status management (status of deferred interrupts).
Split the CIC APIs and data-members into above two subunits.
JIRA NVGPU-6899
Change-Id: I151b59105ff570607c4a62e974785e9c1323ef69
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2551897
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Replace all nvgpu_next functions/structs either by 1) collapsing them
into nvgpu legacy functions/structs 2) renaming them as follows:
- nvgpu_next_*() => nvgpu_(ga10b/ga100)_*()
- nvgpu_next_*() => (ga10b/ga100)_*()
- nvgpu_next_*() => nvgpu_*() [only if this doesn't cause collision]
- nvgpu_next_*() = > nvgpu_*_extra()
Create hal.sim unit and move Ampere+ SIM code into it.
Jira NVGPU-4771
Change-Id: I215594a0d0df4bd663bd875a0d0db47bcb9ff6a2
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2548056
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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The CONFIG_NVGPU_NEXT config is no longer required now that ga10b and
ga100 sources have been collapsed. However, the ga100, ga10b sources
are not safety certified, so mark them as NON_FUSA by replacing
CONFIG_NVGPU_NEXT with CONFIG_NVGPU_NON_FUSA.
Move CONFIG_NVGPU_MIG to Makefile.linux.config and enable MIG support
by default on standard build.
Jira NVGPU-4771
Change-Id: Idc5861fe71d9d510766cf242c6858e2faf97d7d0
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2547092
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GFxP preemption for graphics contexts is not supported in safety.
But the support was enabled along with CONFIG_NVGPU_GRAPHICS since GFxP
preemption was protected under same config.
Add a separate config CONFIG_NVGPU_GFXP to protect all GFxP specific
code, enum values, and HALs.
Disable the config in safety profile.
Jira NVGPU-6893
Change-Id: Iebb5f754a1025dfa6e05a94704bdb8a7123b599a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2534986
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Add a new Central Interrupt Controller(CIC) unit in common code.
The interrupt handling is done in a distributed manner currently.
The error handling policy for different errors resides in each unit's
ISR code. The goal is to converge this data under one central place -
the CIC unit.
This patch creates framework for CIC unit and moves the gv11b QNX
safety LUT to CIC unit. All the error reporting APIs from different
units are also moved to CIC.
New APIs are exposed by CIC unit to access its internal data like:
1. Struct err_desc - the static err handling /injection data per
error id
2. Num_hw_modules - the number of error reporting HW units
supported by CIC
Init and deinit of CIC unit:
1. CIC unit should be initialized earlyon during boot so that it
is available for any interrupt handling.
2. Initialize CIC just before the interrupts are enabled during
boot.
3. Similarly, CIC is disabled late during deinit cycle; right
after the interrupts are masked.
LUT:
1. LUT is currently used only for reporting error to safety
services in gv11b QNX safety build.
2. This error handling policy LUT currently has only two levels
of handing - correctable and quiecse.
3. Once, the error handling policy decision is moved from leaf
unit nodes to CIC, LUT will be updated to have additional levels
like fast recovery and full recovery.
4. Also, then a separate LUT will be added for each platform/build.
5. In current framework, the LUT is set to NULL for all
configurations except gv11b.
report_err() ops is added to report error to safety services.
This ops is only effective for gv11b qnx build; and set to NULL for
other configurations.
NVGPU-6521
NVGPU-6523
NVGPU-6750
NVGPU-6758
NVGPU-6760
NVGPU-6754
Change-Id: I24be7836a96d787741e37b732e19863ed8014635
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2518683
Reviewed-by: Ajesh K V <akv@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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Some of the RTV circular buffer programming is under GRAPHICS config and
some is under DGPU config. For nvgpu-next, RTV circular buffer is
required even for iGPU so keeping the code under DGPU config does not
make sense.
Move all the code from DGPU config to GRAPHICS config.
Bug 3159973
Change-Id: I8438cc0e25354d27701df2fe44762306a731d8cd
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2524897
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Currently, there are few chip specific erratas present in nvgpu code.
For better traceability of the erratas and corresponding fixes,
introduce flags to indicate existing erratas on a chip. These flags
decide if a corresponding solution is applied to the chip(s).
This patch introduces below functions to handle errata flags:
- nvgpu_init_errata_flags
- nvgpu_set_errata
- nvgpu_is_errata_present
- nvgpu_print_errata_flags
- nvgpu_free_errata_flags
nvgpu_print_errata_flags: print below details of erratas present in chip
1. errata flag name
2. chip where the errata was first discovered
3. short description of the errata
Flags corresponding to erratas present in a chip are set during chip hal
init sequence.
JIRA NVGPU-6510
Change-Id: Id5a8fb627222ac0a585aba071af052950f4de965
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2498095
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Separated set_atomic_mode functionality from
init_fs_state/enable_nvlink and created new
fb gops for set_atomic_mode.
In gpu init sequence, set_atomic_mode is
called after acr_construct_execute to take care
of design changes required for nvgpu-next
architectures.
Updated fb_gv11b_init_test to use set_atomic_mode
gops along with init_fs_state.
Bug 3268664
Change-Id: I1ab9eb21cc4cce77f3325c4e8821a75b6e85fba2
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2508095
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This patch is to disable the clock arbitor for TU104.
TU104 is not a POR for Drive 6.0 so disabling it to easy migration
of clk arb for GA100.
As a first step all the NVRM Clock tests will be skipped by setting
NVGPU_SUPPORT_CLOCK_CONTROLS to false for TU104.
Then clk arbitor will be rewritten for GA100 and enabled back.
This patch implements by adding a new flag NVGPU_CLK_ARB_ENABLED which
holds the status of clk arbitor for each platform and disables them for
TU104
Bug 200699763
Change-Id: I51cd5c7821bdc0b48080c17a70735925b278ddf5
Signed-off-by: absalam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2515086
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>
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GVS: Gerrit_Virtual_Submit
Introduce new HAL gops_ltc.set_l2_sector_promotion to configure L2
sector promotion policy. The follow three promotion settings are support:
- NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_NONE
- NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_64B
- NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_128B
Add ioctl "NVGPU_TSG_IOCTL_SET_L2_SECTOR_PROMOTION" to the gpu tsg node
to support l2 sector promotion. On chips which do not support sector
promotion, the ioctl returns 0.
Bug 200656177
Change-Id: Iad835a5c954d3b10da436cfafb388aaaa04f44c7
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2460553
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GVS: Gerrit_Virtual_Submit
Add ioctl support to configure and read the max number of lines/ways
in a L2 cache set that can be marked as EVICT_LAST. This is accomplished
through two new ltc hals: set_l2_max_ways_evict_last,
get_l2_max_ways_evict_last. These hals will only be set for nvgpu-next
chips. Incase of legacy chips, the IOCTLs will return error -ENOSYS.
Generate following litter constants to get the number of sets in a l2
slice and the number of ways in each set:
- GPU_LIT_NUM_LTC_LTS_SETS
- GPU_LIT_NUM_LTC_LTS_WAYS
Add gpu characteritics flag: NVGPU_L2_MAX_WAYS_EVICT_LAST_ENABLED to
allow userspace driver to determine if L2_MAX_WAYS_EVICT_LAST ioctl is
supported.
Bug 200605474
Change-Id: Id3180f891399f5e128500f3835d762aee59953e0
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2445884
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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
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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GVS: Gerrit_Virtual_Submit
The NEXT bit can remain set for the channel if timeslice expires before
scheduler clears it. Due to this nvgpu fails TSG unbind and in turn
nvrm_gpu fails channel close. In this case, checking the channel hw
state after some time can help see NEXT bit cleared by scheduler.
Reenable the tsg and return -EAGAIN to nvrm_gpu for it to retry again.
Bug 3144960
Change-Id: I35f417f02270e371a4e632986b73a00f8a4f921a
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2468391
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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 ptimer register offsets to regops allowlist for testing. New
allowlist restricts regops only to reserved resources, this makes it
difficult to test the interface since only HWPM registers can be
accessed and that could have side effects on system.
Having ptimer registers as test offsets has advantage that the offsets
do not change across chips, registers are read-only, and values are
always incrementing so a test can verify read regops and test various
flags of interface.
Add gops.ptimer.get_timer_reg_offsets() HAL to return timer offsets.
Add static function add_test_range_to_map() that adds timer offsets to
allowlist always.
In nvgpu_profiler_validate_regops_allowlist() return success if timer
offsets are hit in range search.
Bug 2510974
Jira NVGPU-5360
Change-Id: I8b51bb92e43e8b1bbe903c874a429341659ef603
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2460002
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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Reviewed-by: Antony Clince Alex <aalex@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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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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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gr_gv100_reset_hwpm_pmm_registers() writes a bunch of registers in
sys/gpc/fbp chiplets to reset perfmons. To ensure all the writes have
completed it is necessary to readback each chiplet's PRI fence register.
Add and use new HAL g->ops.priv_ring.read_pri_fence() to achieve this.
Implement the HAL for gv11b in new source code file
hal/priv_ring/priv_ring_gv11b.c.
Bug 2510974
Jira NVGPU-5360
Change-Id: If4dd61cb4265422e8c2d16884790eb0fe7f2c103
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2453631
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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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