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fb019bf43ad790909dd17a4aa37c935dcb3dfebc
linux-nvgpu/drivers/gpu/nvgpu/include/nvgpu
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Divya fb019bf43a gpu: nvgpu: async cmd resp for gv11b 
- When DISALLOW cmd is sent from driver to PMU the actual
  completion of the disallow will be acknowledged by PMU
  via a PG EVENT: ASYNC_CMD_RESP.
- Disallow needs a delayed ACK from PMU in order to disable
  the ELPG.
- If ELPG is already engaged, the DISALLOW cmd will trigger
  ELPG exit and then transition to PMU_PG_STATE_DISALLOW.
- After this whole process is completed, PMU will send
  DISALLOW_ACK through ASYNC_CMD_RESP msg.
- After disallow command is sent from the driver, NvGPU driver
  waits/polls for disallow command ack. This is sent immediately
  by msg framework of PMU.
- Then, the driver will poll/wait for ASYNC_CMD_RESP event which
  is the delayed DISALLOW ACK.
- The driver captures the ASYNC_CMD_RESP sent from PMU.
- set disallow_state to ELPG_OFF.
- If the driver does not wait/poll for this delayed disallow
  ack from PMU, it can result in erros  as PMU is still
  processing DISALLOW cmd but the driver progressed further.

Bug 3580271

Change-Id: I332180c05b6a398107f065d54e9718b7038fb1b2
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2689500
Reviewed-by: Sagar Kamble <skamble@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>
GVS: Gerrit_Virtual_Submit
2022-04-07 03:21:29 -07:00
..
fifo
gpu: nvgpu: Add engine reset profiling
2020-12-15 14:13:28 -06:00
gops
gpu: nvgpu: move ltc_tstg_mgmt register setup
2022-03-25 13:14:15 -07:00
gr
gpu: nvgpu: gr: update gr suspend
2022-03-28 23:47:06 -07:00
gsp
gpu: nvgpu: use MIT license for OS agnostic source code
2022-02-09 20:50:14 -08:00
hw
gpu: nvgpu: PMU NVRISCV engine HSI support
2022-03-25 13:25:39 -07:00
linux
gpu: nvgpu: add GPLv2 license to OS-specific code for linux
2022-02-09 20:50:21 -08:00
pmu
gpu: nvgpu: async cmd resp for gv11b
2022-04-07 03:21:29 -07:00
posix
gpu: nvgpu: Add compression for safety
2022-03-15 17:30:57 -07:00
power_features
gpu: nvgpu: add SLCG support for GSP and CTRL unit
2022-03-18 07:54:48 -07:00
sec2
gpu: nvgpu: Fix memory leaks in common.acr
2021-10-04 13:18:27 -07:00
vgpu
gpu: nvgpu: Unify ivm mempool
2022-02-01 09:50:45 -08:00
acr.h
gpu: nvgpu: update doxygen in ACR unit
2021-01-19 08:03:05 -08:00
allocator.h
gpu: nvgpu: include: fix compile error of new compile flags
2022-01-13 12:36:26 -08:00
as.h
gpu: nvgpu: Add doxygen update for common mm unit
2021-01-27 01:26:05 -08:00
atomic.h
gpu: nvgpu: posix doxygen updates
2021-10-07 17:54:52 -07:00
barrier.h
gpu: nvgpu: unify NV_READ_ONCE and NV_WRITE_ONCE
2021-06-09 03:15:39 -07:00
bios.h
gpu: nvgpu: Implement clk_good and pll_lock check
2020-12-15 14:13:28 -06:00
bitops.h
gpu: nvgpu: fix MISRA violations in bitops unit
2019-06-11 22:26:41 -07:00
boardobjgrp_e32.h
gpu: nvgpu: Rename/clean boardobj unit
2020-12-15 14:13:28 -06:00
boardobjgrp_e255.h
gpu: nvgpu: Rename/clean boardobj unit
2020-12-15 14:13:28 -06:00
boardobjgrp.h
gpu: nvgpu: fixing MISRA violations
2022-03-08 05:31:42 -08:00
boardobjgrpmask.h
gpu: nvgpu: Boardobj lite unit refactor
2020-12-15 14:13:28 -06:00
bsearch.h
gpu: nvgpu: Add nvgpu_bsearch() wrapper
2019-01-29 21:55:37 -08:00
bug.h
gpu: nvgpu: remove whitelisting for wrongly reported violations by tool
2022-03-08 05:31:37 -08:00
cbc.h
gpu: nvgpu: Add compression support with added contig memory pool
2022-02-27 18:10:41 -08:00
ce_app.h
gpu: nvgpu: ce: check address ranges before exec
2020-12-15 14:13:28 -06:00
ce.h
gpu: nvgpu: Add CE interrupt handling
2022-03-14 17:12:14 -07:00
channel_sync_semaphore.h
gpu: nvgpu: avoid sema/channel dependencies
2020-12-15 14:13:28 -06:00
channel_sync_syncpt.h
gpu: nvgpu: prealloc priv cmdbuf metadata
2020-12-15 14:13:28 -06:00
channel_sync.h
gpu: nvgpu: incr sync once submit is ready to go
2020-12-15 14:13:28 -06:00
channel_user_syncpt.h
gpu: nvgpu: update doxygen for common.fifo
2021-03-02 19:31:25 -08:00
channel.h
gpu: nvgpu: debug dump tsg domain name
2022-03-01 00:09:12 -08:00
cic_mon.h
gpu: nvgpu: add macros related to error reporting
2022-03-21 10:51:31 -07:00
cic_rm.h
gpu: nvgpu: Move intr data members from MC to CIC
2021-07-19 18:06:28 -07:00
circ_buf.h
gpu: nvgpu: unify qnx bitops unit with posix
2019-05-02 23:38:14 -07:00
class.h
nvgpu: Make common.class SWUD consistent with code
2021-12-02 07:46:18 -08:00
clk_arb.h
gpu: nvgpu: Boardobj lite unit refactor
2020-12-15 14:13:28 -06:00
clk_mon.h
gpu: nvgpu: segregate clk_mon from clk unit.
2020-12-15 14:13:28 -06:00
comptags.h
gpu: nvgpu: allocate comptags and store metadata in REGISTER_BUFFER ioctl
2021-09-02 11:42:08 -07:00
cond.h
gpu: nvgpu: posix doxygen updates
2021-10-07 17:54:52 -07:00
cov_whitelist.h
gpu: nvgpu: MISRA comment fixes
2020-12-15 14:10:29 -06:00
cyclestats_snapshot.h
gpu: nvgpu: add flags to debugger specific headers
2019-06-18 01:38:54 -07:00
cyclestats.h
gpu: nvgpu: add flags to debugger specific headers
2019-06-18 01:38:54 -07:00
debug.h
gpu: nvgpu: include: fix compile error of new compile flags
2022-01-13 12:36:26 -08:00
debugger.h
gpu: nvgpu: Add multi gr handling for debugger and profiler
2021-06-04 18:07:47 -07:00
defaults.h
gpu: nvgpu: add doxygen for common.defaults
2020-12-15 14:10:29 -06:00
device.h
gpu: nvgpu: enable Orin support in safety build
2021-11-26 08:46:47 -08:00
dma.h
gpu: nvgpu: corrections to dma alloc API documentation
2021-06-17 07:48:19 -07:00
dt.h
…
ecc.h
gpu: nvgpu: ga10x: fix LTC ecc handling
2021-12-17 14:36:51 -08:00
enabled.h
gpu: nvgpu: add enable flag for gpu emulate mode
2022-03-17 19:48:03 -07:00
engine_fb_queue.h
gpu: nvgpu: eliminate struct nvgpu_falcon dependency from engine_queues
2019-02-19 06:36:14 -08:00
engine_mem_queue.h
gpu: nvgpu: prepare common engine_queue.h
2019-02-19 06:36:27 -08:00
engine_queue.h
gpu: nvgpu: prepare common engine_queue.h
2019-02-19 06:36:27 -08:00
engine_status.h
gpu: nvgpu: enable Orin support in safety build
2021-11-26 08:46:47 -08:00
engines.h
gpu: nvgpu: enable Orin support in safety build
2021-11-26 08:46:47 -08:00
errata.h
gpu: nvgpu: Enable sm_l1tag_surface_cut_collector
2021-12-06 04:36:56 -08:00
errno.h
…
error_notifier.h
gpu: nvgpu: Add CE interrupt handling
2022-03-14 17:12:14 -07:00
falcon.h
gpu: nvgpu: PMU NVRISCV BR failure HSI
2022-03-25 13:25:27 -07:00
fb.h
gpu: nvgpu: Exit early on VAB_ERROR MMU fault
2022-02-10 20:31:10 -08:00
fbp.h
gpu: nvgpu: Correct common.fbp doxygen comments
2021-07-07 12:26:08 -07:00
fence_sema.h
gpu: nvgpu: emphasize fence syncpt/sema interfaces
2020-12-15 14:13:28 -06:00
fence_syncpt.h
gpu: nvgpu: silence coverity on fence code
2020-12-15 14:13:28 -06:00
fence.h
gpu: nvgpu: silence coverity on fence code
2020-12-15 14:13:28 -06:00
fifo.h
Revert "gpu: nvgpu: Update CTXSW_TIMEOUT to 10ms"
2022-03-09 12:08:35 -08:00
firmware.h
gpu: nvgpu: improve doxygen for qnx.os_utils and common.io units
2021-05-06 06:07:48 -07:00
flcnif_cmn.h
gpu : nvgpu: pmu: remove fb_surface payload support
2020-12-15 14:10:29 -06:00
fuse.h
gpu: nvgpu: enable Orin support in safety build
2021-11-26 08:46:47 -08:00
gk20a.h
gpu: nvgpu: add macros related to error reporting
2022-03-21 10:51:31 -07:00
gmmu.h
gpu: nvgpu: add tegra_raw support
2022-01-13 12:35:36 -08:00
gpu_ops.h
gpu: nvgpu: add detailed documentation for some common.nvgpu APIs
2022-02-23 11:08:24 -08:00
grmgr.h
gpu: nvgpu: add FBP index conversion infra for MIG
2022-02-11 13:29:14 -08:00
gsp_sched.h
gpu: nvgpu: gsp units separation
2022-02-09 00:38:21 -08:00
gsp.h
nvgpu: ga10b: gsp: implement runlist submit apis
2022-02-09 00:38:56 -08:00
hal_init.h
gpu: nvgpu: init: cleanup traceability
2020-12-15 14:10:29 -06:00
hw_sim_pci.h
gpu: nvgpu: Use Hw vals instead of CPU page size in sim
2019-01-15 17:14:55 -08:00
hw_sim.h
gpu: nvgpu: Make hw_sim.h definitions unsigned
2019-01-15 17:15:13 -08:00
interrupts.h
gpu: nvgpu: re-organize interrupt logic
2020-12-15 14:13:28 -06:00
io_usermode.h
gpu: nvgpu: doxygen: fix param syntax
2020-12-15 14:10:29 -06:00
io.h
gpu: nvgpu: make mssnvlink programming OS agnositc
2021-11-12 07:31:15 -08:00
ipa_pa_cache.h
gpu: nvgpu: add ipa-pa cache for qnx
2021-12-31 05:04:50 -08:00
job.h
gpu: nvgpu: unify joblist api names
2020-12-15 14:13:28 -06:00
kmem.h
gpu: nvgpu: posix doxygen updates
2021-10-07 17:54:52 -07:00
kref.h
gpu: nvgpu: update doxygen for utils
2021-09-24 07:11:32 -07:00
list.h
gpu: nvgpu: update doxygen for utils
2021-09-24 07:11:32 -07:00
lock.h
gpu: nvgpu: update doxygen for posix
2021-09-16 21:44:22 -07:00
log2.h
gpu: nvgpu: unify qnx types unit with posix
2019-04-17 00:55:18 -07:00
log_common.h
gpu: nvgpu: include: fix compile error of new compile flags
2022-01-13 12:36:26 -08:00
log.h
gpu: nvgpu: fix log doxygen typos
2020-12-15 14:10:29 -06:00
ltc.h
gpu: nvgpu: update doxygen for common.ltc unit
2021-12-17 14:36:57 -08:00
mc.h
gpu: nvgpu: enable Orin support in safety build
2021-11-26 08:46:47 -08:00
mig.h
gpu: nvgpu: add FBP index conversion infra for MIG
2022-02-11 13:29:14 -08:00
mm.h
gpu: nvgpu: perbuf: update PMA buffer mapping
2022-03-07 15:17:35 -08:00
mmu_fault.h
gpu: nvgpu: add mm.mmu_fault.parse_mmu_fault_info gops
2020-12-15 14:13:28 -06:00
netlist_defs.h
gpu: nvgpu: move netlist_defs.h to include/
2021-12-10 13:23:59 -08:00
netlist.h
gpu: nvgpu: enable Orin support in safety build
2021-11-26 08:46:47 -08:00
nvgpu_common.h
gpu: nvgpu: compile out ununsed code on safety build for common.nvgpu
2022-02-23 11:08:05 -08:00
nvgpu_err_info.h
gpu: nvgpu: use MIT license for OS agnostic source code
2022-02-09 20:50:14 -08:00
nvgpu_err.h
gpu: nvgpu: update reporting of errors to sdl
2022-03-23 21:02:15 -07:00
nvgpu_init.h
gpu: nvgpu: add support for powering off gpu
2021-08-23 05:27:50 -07:00
nvgpu_ivm.h
gpu: nvgpu: Unify ivm mempool
2022-02-01 09:50:45 -08:00
nvgpu_mem.h
gpu: nvgpu: Add compression support with added contig memory pool
2022-02-27 18:10:41 -08:00
nvgpu_sgt_os.h
gpu: nvgpu: add doxygen comments for nvgpu_sgt
2020-12-15 14:10:29 -06:00
nvgpu_sgt.h
gpu: nvgpu: fix MISRA 11.2 nvgpu_sgl
2020-12-15 14:10:29 -06:00
nvhost.h
gpu: nvgpu: unify nvgpu_has_syncpoints
2021-06-28 18:09:14 -07:00
nvlink_bios.h
gpu: nvgpu: Hardcode nvlink speed to 20G
2020-12-15 14:13:28 -06:00
nvlink_device_reginit.h
gpu: nvgpu: Add nvlink "device_reginit" unit
2019-01-29 21:54:52 -08:00
nvlink_link_mode_transitions.h
gpu: nvgpu: Add nvlink link_mode_transition unit
2019-03-18 15:45:31 -07:00
nvlink_minion.h
gpu: nvgpu: Hardcode nvlink speed to 20G
2020-12-15 14:13:28 -06:00
nvlink_probe.h
gpu: nvgpu: Add nvlink_probe unit
2019-01-28 00:05:46 -08:00
nvlink.h
gpu: nvgpu: Move nvlink HAL code to /hal
2020-12-15 14:13:28 -06:00
nvs.h
gpu: nvgpu: add domain name API
2022-03-01 00:09:01 -08:00
os_fence_semas.h
gpu: nvgpu: include: fix compile error of new compile flags
2022-01-13 12:36:26 -08:00
os_fence_syncpts.h
gpu: nvgpu: include: fix compile error of new compile flags
2022-01-13 12:36:26 -08:00
os_fence.h
gpu: nvgpu: include: fix compile error of new compile flags
2022-01-13 12:36:26 -08:00
os_sched.h
gpu: nvgpu: update doxygen for posix
2021-09-16 21:44:22 -07:00
page_allocator.h
gpu: nvgpu: add @file syntax in mm header files
2020-12-15 14:10:29 -06:00
pbdma_status.h
gpu: nvgpu: update doxygen for common.fifo
2021-03-02 19:31:25 -08:00
pbdma.h
gpu: nvgpu: enable Orin support in safety build
2021-11-26 08:46:47 -08:00
pci.h
…
pd_cache.h
gpu: nvgpu: Add doxygen update for common mm unit
2021-01-27 01:26:05 -08:00
perfbuf.h
gpu: nvgpu: perbuf: update PMA buffer mapping
2022-03-07 15:17:35 -08:00
pm_reservation.h
gpu: nvgpu: rework pm resource reservation system
2020-12-15 14:13:28 -06:00
pmu.h
gpu: nvgpu: fix ecc counter free
2021-08-11 01:55:08 -07:00
pramin.h
gpu: nvgpu: update nvgpu_mem to accept u64 args
2019-06-28 12:28:06 -07:00
preempt.h
gpu: nvgpu: Trigger quiesce on PBDMA preempt fail
2020-12-15 14:13:28 -06:00
priv_cmdbuf.h
gpu: nvgpu: avoid channel dependency in priv cmdbuf
2020-12-15 14:13:28 -06:00
profiler.h
gpu: nvgpu: add logic for index conversion of GPCs/FBPs
2022-02-11 13:29:07 -08:00
ptimer.h
gpu: nvgpu: Mark read_ptimer() HAL as NON_FUSA
2021-12-01 08:39:27 -08:00
rbtree.h
gpu: nvgpu: update doxygen for utils
2021-09-24 07:11:32 -07:00
rc.h
gpu: nvgpu: Add CE interrupt handling
2022-03-14 17:12:14 -07:00
regops_allowlist.h
gpu: nvgpu: set regop type based on per-resource ctxsw flag
2021-01-05 12:38:17 -08:00
regops.h
gpu: nvgpu: move .exec_regops to only execute regops
2021-06-08 01:29:40 -07:00
riscv.h
gpu: nvgpu: add ga10b & ga100 sources
2021-06-17 12:56:16 -07:00
runlist.h
gpu: nvgpu: enable Orin support in safety build
2021-11-26 08:46:47 -08:00
rwsem.h
gpu: nvgpu: update doxygen for posix
2021-09-16 21:44:22 -07:00
sbr.h
gpu: nvgpu: sbr: Load and execute PUB
2020-12-15 14:13:28 -06:00
sched.h
gpu: nvgpu: add struct nvgpu_sched_ctrl to gk20a
2020-12-15 14:13:28 -06:00
semaphore.h
gpu: nvgpu: avoid sema/channel dependencies
2020-12-15 14:13:28 -06:00
sim.h
gpu: nvgpu: rename/collpase nvgpu_next functions and structs
2021-06-27 05:02:58 -07:00
sizes.h
gpu: nvgpu: use posix sizes implementation for QNX
2019-02-26 21:15:31 -08:00
soc.h
gpu: nvgpu: Add compression support with added contig memory pool
2022-02-27 18:10:41 -08:00
sort.h
gpu: nvgpu: Unify posix sort unit with qnx
2019-06-13 06:42:07 -07:00
static_analysis.h
gpu: nvgpu: remove whitelisting for wrongly reported violations by tool
2022-03-08 05:31:37 -08:00
string.h
gpu: nvgpu: ga10x: update channel status string
2021-10-22 19:07:53 -07:00
swprofile.h
gpu: nvgpu: Condition debug dump on recovery profiling
2020-12-15 14:13:28 -06:00
therm.h
…
thread.h
gpu: nvgpu: update doxygen for posix
2021-09-16 21:44:22 -07:00
timers.h
gpu: nvgpu: move duplicate timer api to common
2022-03-25 21:33:21 -07:00
trace.h
gpu: nvgpu: include: fix compile error of new compile flags
2022-01-13 12:36:26 -08:00
tsg.h
gpu: nvgpu: fixing MISRA violations
2022-03-10 16:01:18 -08:00
types.h
gpu: nvgpu: cast bvec test
2021-11-12 21:37:01 -08:00
user_fence.h
gpu: nvgpu: change from GPL to MIT License
2020-12-15 14:13:28 -06:00
utils.h
gpu: nvgpu: update doxygen for utils
2021-09-24 07:11:32 -07:00
vidmem.h
gpu: nvgpu: fix MISRA violations in utils unit
2019-07-11 05:42:54 -07:00
vm_area.h
gpu: nvgpu: add linux REMAP support
2021-06-28 22:39:06 -07:00
vm_remap.h
gpu: nvgpu: fix REMAP to support small/big pages
2022-02-09 00:37:33 -08:00
vm.h
gpu: nvgpu: fixing MISRA Rule 21.2 violation
2022-03-01 06:08:00 -08:00
vpr.h
gpu: nvgpu: enable CONFIG_NVGPU_VPR for all kernels
2022-01-05 20:57:32 -08:00
watchdog.h
gpu: nvgpu: include: fix compile error of new compile flags
2022-01-13 12:36:26 -08:00
worker.h
gpu: nvgpu: fix MISRA 5.7 and 10.4 violations
2022-03-08 05:31:29 -08:00
xve.h
gpu: nvgpu: MISRA 10.1 boolean fixes
2018-11-09 13:27:04 -08:00