Commit Graph

3242 Commits

Author SHA1 Message Date
Sagar Kamble
80efe558b1 gpu: nvgpu: add BVEC test for nvgpu_rc_pbdma_fault
Update nvgpu_rc_pbdma_fault with invalid checks and add BVEC test
for it.

Make ga10b_fifo_pbdma_isr static.

NVGPU-6772

Change-Id: I5485760c53e1fff1278557a5b25659a1fc0e4eaf
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2551617
(cherry picked from commit e917042d395d07cb902580bad3d5a7d0096cc303)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2623625
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-07-14 08:58:31 -07:00
Debarshi Dutta
d8e8eb65d3 nvgpu: gpu: separate runlist submit from construction
This patch primary separates runlist modification from
runlist submits.

Instead of submitting the runlist(domain) immediately after
modification, a worker thread interface is now being used to
synchronously schedule runlist submits. If the runlist being
scheduled is currently active, the submit happens instantly,
otherwise, it will happen in the next iteration when the nvs
thread will schedule the domain. This external interface uses
a condition variable to wait for the completion of the
synchronous submits.

A pending_update variable is used to synchronize domain memory
swaps just before being submitted.

To facilitate faster scheduling via the NVS thread, nvgpu_dom
itself contains an array of rl_domain pointers. This can then
be used to select the appropriate rl_domain directly for scheduling
as against the earlier approach of maintaining nvs domains and rl
domains in sync everytime.

Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: I1725c7cf56407cca2e3d2589833d1c0b66a7ad7b
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2739795
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-07-13 16:36:19 -07:00
Dinesh T
fb466b5b25 gpu: nvgpu: Enable ptimer
This is enabling ptimer in mme_config and
mme_fe1_config by setting the corresponding
field.
Debugger is expected to make use of ptimer.
So this is required for nvgpu to enable ptimer
in the register.

Bug 3637441

Change-Id: Id596a87081753bcaf945e54444a8abbd025b3f76
Signed-off-by: Dinesh T <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2710632
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-07-07 07:30:52 -07:00
Scott Long
ac4d8b9bff gpu: nvgpu: fix remap page size flag handling
When destroying a virtual memory pool the associated page size must
be set in the nvgpu_vm_remap_op structure.

This patch adds a new nvgpu_vm_remap_page_size_flag() routine that
converts the page size derived from the vm/vm_area structs to the
corresponding NVGPU_VM_REMAP_OP_FLAGS_PAGESIZE bit.

Bug 3669908

Change-Id: Idca77cc36d353777b399c872f68a1f5231ddb8dd
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2734822
Tested-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
(cherry picked from commit 868b723b16)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2740035
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
2022-07-07 01:25:25 -07:00
Ramesh Mylavarapu
951ad46819 gpu: nvgpu: gsp: sched: domain management apis
Changes:
- Added Domain management APIs with interfaces to communicate with
  GSP scheduler.
- Domain creation shall be done inside NVGPU and respective Domain
  and runlist info are sent to GSP for scheduling.

Design: https://confluence.nvidia.com/display/TGS/GSP+Scheduler+Interface+Specifications

NVGPU-7371

Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: Icba7f1ed3b9b2f409aac346084dd9a123c9d3779
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2682686
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-07-05 14:27:00 -07:00
Tejal Kudav
494dc19ee8 gpu: nvgpu: Err injection utility support
The HSI error injection utility is an on-bench debug and test utility
which can be used by customers and SQA to test end-to-end error
detection and reporting path.
Inplement callback function to integrate with this utility and allow
injecting GPU HSI related errors.
As part of callback function hsierrrpt_inj(), invoke the driver's
error-reporting logic which uses the EPD MISC_EC APIs. In future,
we can enhance the callback function to trigger driver's error
handling logic incrementally for different errors.

Bug 3413214

Change-Id: I2d050b6c850d6151b40095f243a6733b4ba74f47
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2727198
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-07-01 08:11:45 -07:00
Sagar Kamble
5b55088970 gpu: nvgpu: skip subctx pdb init during as-channel bind
While creating a new channel, ioctls are called in the below sequence:
  1. GPU_IOCTL_OPEN_CHANNEL
  2. AS_IOCTL_BIND_CHANNEL
  3. TSG_IOCTL_BIND_CHANNEL_EX
  4. CHANNEL_ALLOC_GPFIFO_EX
  5. CHANNEL_ALLOC_OBJ_CTX.

subctx pdbs and valid mask are programmed in the channel instance block
in the channel ioctls AS_IOCTL_BIND_CHANNEL & CHANNEL_ALLOC_GPFIFO_EX.

Programming them in the ioctl AS_IOCTL_BIND_CHANNEL is redundant.
Remove related hal g->ops.mm.init_inst_block_for_subctxs.

The hal init_inst_block will program context pdb and big page size.
The hal init_inst_block_core will program context pdb, big page size
and subctx 0 pdb. This is used by h/w units (fecs, pmu, hwpm, bar1,
bar2, sec2, gsp, perfbuf etc.).

For user channels, subctx pdbs are programmed as part of ramfc setup.

Bug 3677982

Change-Id: I6656b002d513404c1fd7c3d349933e80cca7e604
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2680907
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-06-28 23:33:31 -07:00
Sagar Kamble
bfa20f62c6 gpu: nvgpu: add/remove l2 cache flush when updating the ctx buffers
gr ctx buffer in non-cacheable hence there is no need to do L2 cache
flush when updating the buffer. Remove the flushes.

pm ctx buffer is cacheable hence add l2 flush in the function
nvgpu_profiler_quiesce_hwpm_streamout_non_resident since it
updates the buffer.

Bug 3677982

Change-Id: I0c15ec7a7f8fa250af1d25891122acc24443a872
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2713916
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-06-24 12:08:54 -07:00
Sagar Kamble
65e7baf856 gpu: nvgpu: s/NVGPU_GR_CTX_*_VA/NVGPU_GR_GLOBAL_CTX_*_VA
Indices for global ctx buffer virtual address array were named with
prefix GR_CTX and defined in ctx.h. Prefix those with GR_GLOBAL_CTX
and move to global_ctx.h

Also remove the flag global_ctx_buffer_mapped as it is not used.

Bug 3677982

Change-Id: I9042e1c2bd8e8e10e97893484daeff0f97a96ea0
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2704855
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-06-24 12:08:33 -07:00
Sagar Kamble
7fa6976a98 gpu: nvgpu: remove dead code
nvgpu_gr_subctx_set_patch_ctx was earlier used in the HAL
gops.gr.ctx_patch_smpc. Usage was removed since that HAL
applies to only gm20b that doesn't support subcontexts.
Remove that function.

gp10b_gr_init_commit_global_attrib_cb is also not used by
any chip, so remove that also.

Bug 3677982

Change-Id: Ief1c1a4038d3eed1cba3a71d83a2a438158f15f3
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2704854
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Scott Long <scottl@nvidia.com>
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-06-24 12:08:20 -07:00
vivekku
1116d90d32 gpu: nvgpu: gsp: enable gsp scheduler debug prints
Changes:
- created gsp debug info mask enabled with GSP flag.
- defined a macro to display gsp debug info instead of using
nvgpu_log_fn.
- replaced nvgpu_log_fn with gsp_dbg_info inside gsp_scheduler.

NVGPU-8529

Change-Id: I98f0e470d7f056958a64579fa64c76de5691aefb
Signed-off-by: vivekku <vivekku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2727812
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-06-17 02:00:58 -07:00
Sagar Kadamati
fdba1eef10 gpu: nvgpu: add FLCG support for PERFMON
Add FLCG register programming for PERFMON

Jira NVGPU-7228

Change-Id: Ia1b3b2976c65c44f718789bcfbef4cad7e0718b3
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2712095
Tested-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Antony Clince Alex <aalex@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: Ankur Kishore <ankkishore@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-06-15 04:25:56 -07:00
Jinesh Parakh
b8b90f85ee gpu: nvgpu: Fix CERT-C Violations
Fix the following CERT-C Violations:
gsp_runlist.c : CERT EXP34-C
channel_sync_syncpt.c : CERT ERR33-C
grmgr_ga100.c : CERT ERR33-C
grmgr_ga10b.c : CERT ERR33-C
debug.c : CERT ERR33-C
debug_fecs_trace.c : CERT EXP34-C
ioctl.c : CERT ERR33-C

CID 495110
CID 141061
CID 222881
CID 222890
CID 450994
CID 366644
CID 466529

Bug 3512546

Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: I318a27a6fcb8ea8f6d5d6c1f65d940c48d6f8dfc
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2723008
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: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-06-03 12:05:26 -07:00
Jinesh Parakh
658f83ca48 gpu: nvgpu: Fix Explicit null dereference
Fix the following Coverity Defect:
pwrpolicy.c : Explicit null dereference

CID 10059138

Bug 3460991

Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: Ie572e0608d0b07d5023e7cca878d16087cfc284f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2717978
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-30 12:49:04 -07:00
prsethi
697215afd3 gpu: nvpgu: configure static ZBC table
Patch defines a ZBC static table and configure it at sw layer. Later
existing API read this sw configuration and program it to hw.

This is applicable only for ga10b safety build and for other chips/
configuration it will be supported in the legacy way.

Bug 3585766

Change-Id: I00d79162c0b096616e3f555da965e82e47c014d1
Signed-off-by: prsethi <prsethi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2713821
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-05-29 10:56:58 -07:00
Krishna Reddy
961925be02 Revert "gpu: nvgpu: correct usage for gk20a_busy_noresume"
This reverts commit c1ea9e3955.

Reason for revert: ap_vulkan, ap_opengles, ap_mods tests failures
Bug 3661058
Bug 3661080 
Bug 3659004 

Change-Id: I929b5675a4fb0ddc8cbf3eeefc982b4ba04ddc59
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2718996
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
2022-05-27 14:49:26 -07:00
Jinesh Parakh
bb73cf9597 gpu: nvgpu: Fixed out-of-bounds Coverity Defects
Fix following Coverity Defects:
clk_mon_tu104.c : Out-of-bounds read and Out-of-bounds access

CID 10061400
CID 10061401

Bug 3460991

Changed the datatype of domain_mask from u32 to unsigned long
to solve the out-of-bounds defect.

Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: I1c43bd90053264ee4104ca8c3a33d9ea07f04045
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2708765
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-05-25 11:44:59 -07:00
Debarshi Dutta
c1ea9e3955 gpu: nvgpu: correct usage for gk20a_busy_noresume
Background: In case of a deferred suspend implemented by gk20a_idle,
the device waits for a delay before suspending and invoking
power gating callbacks. This helps minimize resume latency for any
resume calls(gk20a_busy) that occur before the delay.

Now, some APIs spread across the driver requires that if the device
is powered on, then they can proceed with register writes, but if its
powered off, then it must return. Examples of such APIs include
l2_flush, fb_flush and even nvs_thread. We have relied on
some hacks to ensure the device is kept powered on to prevent any such
delayed suspension to proceed. However, this still raced for some calls
like ioctl l2_flush, so gk20a_busy() was added (Refer to commit Id
dd341e7ecbaf65843cb8059f9d57a8be58952f63)

Upstream linux kernel has introduced the API pm_runtime_get_if_active
specifically to handle the corner case for locking the state during the
event of a deferred suspend.

According to the Linux kernel docs, invoking the API with
ign_usage_count parameter set to true, prevents an incoming suspend
if it has not already suspended.

With this, there is no longer a need to check whether
nvgpu_is_powered_off(). Changed the behavior of gk20a_busy_noresume()
to return bool. It returns true, iff it managed to prevent
an imminent suspend, else returns false. For cases where
PM runtime is disabled, the code follows the existing implementation.

Added missing gk20a_busy_noresume() calls to tlb_invalidate.

Also, moved gk20a_pm_deinit to after nvgpu_quiesce() in
the module removal path. This is done to prevent regs access
after registers are locked out at the end of nvgpu_quiesce. This
can happen as some free function calls post quiesce  might still
have l2_flush, fb_flush deep inside their stack, hence invoke
gk20a_pm_deinit to disable pm_runtime immediately after quiesce.

Kept the legacy implementation same for VGPU and
older kernels

Jira NVGPU-8487

Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: I972f9afe577b670c44fc09e3177a5ce8a44ca338
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2715654
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-25 04:59:46 -07:00
Sagar Kamble
a0b0acad05 gpu: nvgpu: pass pmu rpc struct as char pointer
nvgpu_pmu_rpc_execute takes pmu rpc header address and dereferences
it at address past header based on rpc struct that the header is
part of.

This usage of pointer is not right and confuses CERT checker.
Instead, pass the rpc struct address as char pointer and use
as header or rpc struct as per need.

CID 17141
CID 154223
CID 17557
CID 154226
CID 153904
CID 153926
CID 153929
CID 153925
CID 153925
CID 225346
CID 225355
CID 225356
CID 225360
CID 225361
CID 225365
CID 225367
CID 296735
CID 330244
CID 17557
Bug 3512546

Change-Id: I93b154d4321e75c0d2b41f43d7c2b701682962a3
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2710224
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-24 04:43:35 -07:00
mkumbar
5339bd3466 gpu: nvgpu: Add extra delay for ACR commands in non-silicon platforms
Increase delay for non-silicon platforms between ACR commands and before
polling to skip incorrect reading of IRQSTAT register and generate false
PMU external interrupt.

Bug 3596273

Change-Id: I0163cddbaa1919ac949467f65c74e06f85817aec
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2699396
Reviewed-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Tested-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-20 10:36:04 -07:00
Dinesh T
6e4c3275bf gpu: nvgpu: Set max_ways_evict_cache to maximum
This is setting evict_max_ways for L2 cache to the maximum
supported value for safety.

In normal build L2 cache MAX_EVICT_LAST is configure via
KMD and RegOps. RegOps is enabled only on standard build
with CONFIG_DEBUGGER flag. This method we cant use it for
safety build. Safety we can make use of the patch buffer
to patch the register while creating the context.

JIRA NVGPU-8227

Change-Id: Iec5d73197239b9cad31c6b593ca2b87c224aad5e
Signed-off-by: Dinesh T <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2708702
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-05-18 22:57:54 -07:00
Richard Zhao
802aadf263 nvgpu: move nvgpu_falcon_copy_from/to_emem out of CONFIG_NVGPU_DGPU
nvgpu_falcon_copy_from/to_emem are also used by iGPU in
engine_emem_queue.

Jira GVSCI-9976

Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Change-Id: Ia36a38521807714eb5ad52b6e81c9f31ecc8fda6
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2708509
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: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-18 00:59:10 -07:00
Richard Zhao
db4a1713cb gpu: nvgpu: gr: move .load_sw_bundle64() out of CONFIG_NVGPU_DGPU
.load_sw_bundle64 is also used by ga10b.

Jira GVSCI-9976

Change-Id: Ife46dd5bf40a9e143cf119a64dd0d2adcb1ae81c
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2708393
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: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-18 00:58:54 -07:00
Richard Zhao
d603838110 gpu: nvgpu: pmu: move lsfm_sw_gv100.h out of CONFIG_NVGPU_DGPU
ga10b needs to call nvgpu_gv100_lsfm_sw_init() too, so the header cannot
be protected by CONFIG_NVGPU_DGPU.

Jira GVSCI-9976

Change-Id: I3f6016c3d5f924492629134e528a24cc20544365
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2708392
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-18 00:58:48 -07:00
Sagar Kamble
da884615d3 gpu: nvgpu: fix pmu_board_obj init in construct_pwr_policy
Fix below CERT violation:
In construct_pwr_policy: Do not dereference null pointers.

This was introduced in the below commit:

    commit 700bd83b41 ("gpu: nvgpu: Rename/clean boardobj unit")

CID 203372
Bug 3512546

Change-Id: I30a2ce13f9df343a1dc74fdd7427ccf65b228a3e
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2710234
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-17 08:44:18 -07:00
Sagar Kamble
d3b417ce2c gpu: nvgpu: address priv_ring unit code inspection gaps
1. Hardcoded constants are defined using #define are converted to
   const.
2. set_ppriv_timeout_settings HAL is not applicable from gm20b.
   Hence remove it completely.

JIRA NVGPU-6903

Change-Id: Ic096c5dc87aa45db0aa05482947cd032ae72bdd4
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2552581
(cherry picked from commit c5fb38a54208330f24754fed33d7242903dbac59)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2623635
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-05-17 08:40:46 -07:00
Debarshi Dutta
76cc8870e1 nvgpu: gpu: update default nvs domain implementation
In current form, the default domain acts like any schedulable
domain. TSGs are bound to it and it can be enumerated via the
public interfaces.

The new expectation for the default domain is meant to change
from the current form to a pseudo domain that cannot act like
an ordinary domain in other ways, i.e. it must not be reachable
by in particular the domain management API, it can't be removed,
does not show up in lists, and TSGs cannot be explicitly bound to
this domain. It won't participate in round-robin domain scheduling.
It is not really a domain, and acts like one only when activated in
the manual mode.

Following changes are made overall to support the above change in
definition.

1) Domain creation and attaching the domain to the scheduler are now
split into two separate functions. The new default domain (having ID
= UINT64_MAX) is created separately from a static function without
linking it with other domains in the scheduler.

2) struct nvgpu_nvs_scheduler explicitely stores the default domain
to support direct lookups.

3) TSGs are initially not bound to default domain/rl_domain.

Jira NVGPU-8165

Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: I916d11f4eea5124d8d64176dc77f3806c6139695
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2697477
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-05-12 00:24:58 -07:00
Debarshi Dutta
26525cb1cf gpu: nvgpu: runlist changes for default domain implementation
In order to support the concept of the default domain, a new
rl domain is created that shadows all the other domains i.e.
all channels of all TSGs are replicated here. This is scheduled
by default during GPU boot.

1) The shadow rl_domain is constructed during poweron sequence via
nvgpu_runlist_alloc_shadow_rl_domain(). struct nvgpu_runlist
is appended to store this separately as 'shadow_rl_domain'.
This is scheduled in background as long as no other user created
rl domains exist.

2) 'shadow_rl_domain' is scheduled out once user created rl domain
exist. At this point, any updates in the user created rl domains
are synchronized with the 'shadow_rl_domain'. i.e. 'shadow_rl_domain'
is also reconstructed to contain active channels and tsgs from the rl
domain.

3) 'shadow_rl_domain' is scheduled back in when the last user created
rl domain is removed.

4) In future for manual mode, driver shall support explicitely
   switching to 'shadow_rl_domain'. Also, we will move to an
   implementation where 'shadow_rl_domain' is switched out only when
   other domains are actively scheduled.  These changes will be
   implemented later.

Jira NVGPU-8165

Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: Ia6a07d6bfe90e7f6c9e04a867f58c01b9243c3b0
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2704702
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-12 00:24:46 -07:00
Sagar Kamble
d82400d2b8 gpu: nvgpu: fix MISRA Rule 5.1 violation
BVEC changes for nvgpu_rc_pbdma_fault and nvgpu_rc_mmu_fault
started reporting below MISRA issue.

kernel/nvgpu/drivers/gpu/nvgpu/common/fifo/tsg.c:321:
  1. misra_c_2012_rule_5_1_violation: Declaration with identifier
     "nvgpu_tsg_unbind_channel_check_hw_state", which is ambiguous.
kernel/nvgpu/drivers/gpu/nvgpu/common/fifo/tsg.c:349:
  2. other_declaration: The first 31 characters of identifiers
     "nvgpu_tsg_unbind_channel_check_ctx_reload" and
     "nvgpu_tsg_unbind_channel_check_hw_state" are identical.

Do below renames to fix the issue. Doing both for consistency.

s/nvgpu_tsg_unbind_channel_check_hw_state/nvgpu_tsg_unbind_channel_hw_state_check
s/nvgpu_tsg_unbind_channel_check_ctx_reload/nvgpu_tsg_unbind_channel_ctx_reload_check

JIRA NVGPU-6772

Change-Id: Ib92cabe11c486621351bf15ddb86e20d16d514c4
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2584152
(cherry picked from commit a619f259c6a4ffccb05550767212989af60c2a90)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2706551
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-11 04:18:12 -07:00
mkumbar
162d7ec32d gpu: nvgpu: falcon debug unit update
- Don't print error if debug display buffer is empty.

Bug 3623500
Bug 3418561

Change-Id: I066999fb0f7d41d491c3b01df2b976fcfa833ebf
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2704967
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-11 04:16:18 -07:00
Sagar Kamble
9d6269ce7f gpu: nvgpu: assert gr dev is non-NULL
nvgpu_device_get can return NULL if supplied invalid ID or instance
ID. We expect GR device struct to be non-NULL there hence just
assert that it is indeed non-NULL in gr_reset_engine and
ga10b_grmgr_init_gr_manager.

CID 224133
CID 250232
Bug 3512546

Change-Id: Id09a1c436a8e49b921111b940d3d013bd66bff7a
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2707018
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-05-07 23:24:39 -07:00
Sagar Kamble
c32c4025a4 gpu: nvgpu: fix the ce app ctx cleanup
tsg and ch members in ce_ctx may remain uninitialized when the cleanup
function nvgpu_ce_delete_gpu_context_locked is called. Guard the
references to those.

CID 438091
Bug 3512546

Change-Id: I0ce96f9bad1e4f7fd331171b3f134c48c893839f
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2707470
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-07 15:18:39 -07:00
mkumbar
2506dd2b86 gpu: nvgpu: set ACR FW load flag as per platform
-Add ACR FW load flag which will be set based on
 platform and load the requested FW accordingly.

Bug 3572869

Change-Id: I6643f183fed104fef059dd691036a2c509073a50
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2689022
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: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Andy Chiang <achiang@nvidia.com>
2022-05-07 15:13:03 -07:00
Richard Zhao
1ce899ce46 gpu: nvgpu: fix compile error of new compile flags
Preparing to push hvrtos gpu server changes which requires bellow CFLAGS:
        -Werror -Wall -Wextra \
        -Wmissing-braces -Wpointer-arith -Wundef \
        -Wconversion -Wsign-conversion \
        -Wformat-security \
        -Wmissing-declarations -Wredundant-decls -Wimplicit-fallthrough

Jira GVSCI-11640

Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Change-Id: I25167f17f231ed741f19af87ca0aa72991563a0f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2653746
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-07 15:11:49 -07:00
Richard Zhao
c30afdce02 gpu: nvgpu: add periodic timer API
move fecs_trace polling from kthread to timer API.

Jira GVSCI-10883

Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Change-Id: I224754b7205f1d0eefdc19a73a98f42e4d3e9d0e
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2700601
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: Aparna Das <aparnad@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-05-02 23:16:44 -07:00
Antony Clince Alex
61ae0b7642 gpu: nvgpu: fix emulate mode enable
The emulate mode support is determined after chip detect and is flagged
by using NVGPU_SUPPORT_EMULATE_MODE flag. The present logic prevents
user from configuring the emulate mode sysfs knobs if this flag is not
set, however the emulate mode usecase requires the user to configure the
syfs knob prior to power-on, hence defer emulate mode check to a later
stage after chip detect.

Bug 3621460

Change-Id: If522527542fa8d7e95ccbcff43b74adbb9e976e6
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2703953
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Mayur Poojary <mpoojary@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: David Li <davli@nvidia.com>
2022-04-29 06:17:59 -07:00
Jinesh Parakh
131933d528 gpu: nvgpu: Fix Division by zero defect
Fix following Coverity Defect:
profile.c : Division or modulo by zero

CID 10061399

Bug 3460991

Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: I03979af4ab105f659cf0fe3eac8d21946dfca950
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2695362
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: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-04-29 06:10:48 -07:00
Jinesh Parakh
622fe70dab gpu: nvgpu: Fix Bad bit shift Coverity issues
Fixed following Coverity Defects:
ioctl_as.c : Bad bit shift operation
mc_tu104.c : Bad bit shift operation
vm.c : Bad bit shift operation
vm_remap.c : Bad bit shift operation

A new linux header file for ilog2 is created.
The files which used the old ilog2 function
have been changed to use the new nvgpu_ilog2
function.

CID 9847922
CID 9869507
CID 9859508
CID 10112314
CID 10127813
CID 10127899
CID 10128004

Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: Ia201eea7cc426c3d6581e1e5ae3b882dbab3b490
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2700994
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-04-28 04:08:45 -07:00
Jinesh Parakh
167e7b0256 gpu: nvgpu: Fix Unused value Defect
Fix following Coverity Defect:
nvgpu_init.c : Unused value

The ret variable was being reassigned the error code from
nvgpu_cic_mon_deinit(g) without taking into account the previous ret value.
We need to propagate whether there is an error
(the last known error is returned) or not using ret, the temp_ret
variable helps in verifying this.
Similar coding style followed in the entire function.

CID 10127863

Bug 3460991

Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: I732ba5269ebbbe68f113e53229df40ae49ccc13c
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2697104
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-04-27 20:19:29 -07:00
Martin Radev
60481ea5e4 gpu: nvgpu: Free regops allowlist after failure-prone operations
The function nvgpu_profiler_unbind_pm_resources is responsible for
destroying the regops allowlist object, but unfortunately does it
prior to any of the failure-prone operations. Because this function
can be called multiple times, in rare cases it can happen that
object is deallocated twice.

This patch fixes the issue by moving the free operations after the
failure-prone operations.

Bug 3591603

Change-Id: I3415712da561ccf162c9fb7f3ebb942faa9d9420
Signed-off-by: Martin Radev <mradev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2693803
(cherry picked from commit I3415712da561ccf162c9fb7f3ebb942faa9d9420)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2693799
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-04-26 17:48:45 -07:00
mpoojary
769ec3f88b gpu: nvgpu: pmu: Add support to set nvgpu_next pmu init
Select nvgpu_next_pmu_init when config_next flag is set.
This will let pmu load nvgpu_next binaries.

Bug 3579665

Change-Id: Ifc15ba1ff5eacfba22de9676d5fe93beda608153
Signed-off-by: mpoojary <mpoojary@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2702292
Reviewed-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Seema Khowala <seemaj@nvidia.com>
2022-04-26 04:09:02 -07:00
Sagar Kamble
0725a98ea9 gpu: nvgpu: remove array comparison to NULL
The queues element in struct nvgpu_gsp_sched is an array. Remove
its comparison against NULL.

CID 10132247
Bug 3460991

Change-Id: I2380cdb9287cc34b54b13fd9c1bab67a4a21a698
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2693940
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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>
GVS: Gerrit_Virtual_Submit
2022-04-14 17:02:58 -07:00
Sagar Kamble
e1cdfaa208 gpu: nvgpu: fix CERT EXP34-C issue
Fix CERT issue in nvgpu_gr_falcon_bind_fecs_elpg where nvgpu_pmu_pg_buf
could return NULL. nvgpu_pmu_pg_buf is called from context where PG
will be enabled hence remove the NULL return logic as it is dead
code.

Replace nvgpu_pmu_pg_buf and nvgpu_pmu_pg_buf_get_cpu_va functions by
new function nvgpu_pmu_pg_buf_alloc.

CID 17860
Bug 3512546

Change-Id: I09820a966dadeb258167ce1433ca256f94845896
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2692466
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-04-14 17:02:34 -07:00
Tejal Kudav
dae284c74b gpu: nvgpu: Disable GR functional intrs on safety
Disable below interrupts on safety as they do not report any error
condition and are not used by CUDA and Graphics(VKSC) on safety
build.
Signoff from CUDA and VKSC is on Bug https://nvbugs/3588603

1. NV_PGRAPH_INTR_NOTIFY: This intr is set when the Notification
     style is WRITE_THEN_AWAKEN.
2. NV_PGRAPH_INTR_SEMAPHORE: This is set when a 3d class sempahore is
     released as the result ofa SetSemaphoreD method, when the
     AwakenEnable field is TRUE.
3. NV_PGRAPH_INTR_BUFFER_NOTIFY: This bit is set when a Mem2mem DMA
     completes and the LaunchDma method specifies the interrupt type
     as INTERRUPT
4. NV_PGRAPH_INTR_DEBUG_METHODS: This is debug feature and not used
     on QNX safety

Bug 3588603
JIRA NVGPU-8166

Change-Id: I6d07dfd2857ac047fac4599421600d364251df76
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2694363
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-04-13 02:35:35 -07:00
Antony Clince Alex
62d6f753d2 gpu: nvgpu: add support for PES, ROP floorsweeping
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
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-04-13 02:32:14 -07:00
Antony Clince Alex
19a8adeae1 gpu: nvgpu: prof: add new resource type
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
2022-04-12 16:30:52 -07:00
Sagar Kamble
71eee998b1 gpu: nvgpu: sanitize page allocator name
strncpy to a string from non-null terminating string without checking the
size of the source string can lead to target string become non-null
terminating. This can't be passed to strcat as it expects null
terminating string.

Check the size of the source string "name" in nvgpu_page_allocator_init.

CID 81207
Bug 3512546

Change-Id: I4b245a8c2236038c40912cee72d4dbf1ca14a525
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2692604
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: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-04-07 03:24:15 -07:00
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
Antony Clince Alex
9e0fd1a093 gpu: nvgpu: gr: update gr suspend
Update GR suspend routine to clear GR falcon "coldboot_bootstrap_done"
flag, this is needed because GPU power rails are turned off during
suspend cycle due to which GR falcons need to be bootstrapped again
during resume.

Function "nvgpu_gr_falcon_suspend" is added to clear the above mentioned
flag.

Bug 3497398
Bug 3514055

Change-Id: If852a2c09f05c096f287b845c56d8b4f335ec8e7
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2670554
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-03-28 23:47:06 -07:00
Jinesh Parakh
bbaf01590c gpu: nvgpu: Fix Logically dead code Coverity bugs
Fixed following Coverity Defects:

ioctl_clk_arb.c : Logically dead code
gr_gp10b.c : Logically dead code
vfe_var.c : Logically dead code
grmgr_ga10b.c : Logically dead code
vm_remap.c : Logically dead code
falcon_debug.c : Logically dead code

CID 1994001
CID 3008644
CID 9870823
CID 10062537
CID 10127915
CID 10128008

Bug 3460991
Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: I711d2ccb480328d8f0a4ba49e877612669f3d41f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2686362
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: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-03-28 07:36:44 -07:00