Currently in case of any fecs error, we only dump fecs
cxtsw fw related registers, mailboxes and trace registers.
With this change, we want to ensure we dump gpccs register
space as well. This will help in debugging ctxsw related
failures
JIRA NVGPU-9560
Bug 3907163
Change-Id: I61e25883da4455ea1412ca70c5fc3377d9a786a3
Signed-off-by: Kishan <kpalankar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2850402
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
clk_arb completion file descriptor can get closed immediately after
poll finishes in the work item gp10b_clk_arb_run_arbiter_cb. In
that case, the refcount for nvgpu_clk_dev can become zero in
the work item and can lead to invalid access while removing
nvgpu_clk_dev from the lists.
Remove nvgpu_clk_dev from the list before dropping the reference to
it.
Also, delete the nvgpu_clk_dev in completion file release handler
within the session and requests spinlocks to avoid race with
gp10b_clk_arb_run_arbiter_cb using it.
bug 200757277
Change-Id: I054eee547f2a6fa633d7ef55df216ec36647a826
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2569522
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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On Volta, nvgpu needs to wait for explicit ACK from CTXSW while
setting FECS watchdog timeoout
This is manual port of the fixes 4d7e5026e38528b88a4a168eca9a8b180475b368
and ad89436b03428a42e43042b6a849c15843fdebc4 on dev-main since clean
cherry-pick is not possible due to huge file and structure differences.
Bug 200603566
Change-Id: Icba69998ab45eee5fdf2a29e1ac1067589301be6
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2371708
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When unbinding a channel from a tsg when virtual, vgpu_tsg_unbind_channel
would return an error if unbinding the channel on the guest side failed,
and did so before notifying the RM server of the unbind.
Later on in the recovery process, the guest OS would remove the channel from the
TSG's list, but this would leave the RM server with an out-of-date channel list.
Fix this by making the tsg_unbind_channel HAL optional and implemented only for vgpu:
the vgpu version now just notifies the RM server so that it can clean up its version
of the TSG; if vgpu, always call the tsg_unbind_channel HAL whether or not
the local unbind succeeded.
Minimal port from dev-main of https://git-master.nvidia.com/r/c/linux-nvgpu/+/2084029
Bug 2766920
Bug 200587845
Change-Id: I75bddf3a28ac20bf4fb7510ff64097a32c7eec3f
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2287774
(cherry picked from commit 471c72c1efcc4fe6d547f556edf7773827fd2674)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2289928
Reviewed-by: Thomas Steinle <tsteinle@nvidia.com>
Reviewed-by: Satish Arora <satisha@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Added NVGPU_DBG_GPU_IOCTL_SET_CTX_MMU_DEBUG_MODE ioctl to set MMU
debug mode for a given context.
Added gr.set_mmu_debug_mode HAL to change NV_PGPC_PRI_MMU_DEBUG_CTRL
for a given channel. HAL implementation for native case is
gm20b_gr_set_mmu_debug_mode. It internally uses regops, which directly
writes to the register if the context is resident, or writes to
gr context otherwise.
Added NVGPU_SUPPORT_SET_CTX_MMU_DEBUG_MODE to enable the feature.
NV_PGPC_PRI_MMU_DEBUG_CTRL has to be context switched in FECS ucode,
so the feature is only enabled on TU104 for now.
Bug 2515097
But 2713590
Change-Id: Ib4efaf06fc47a8539b4474f94c68c20ce225263f
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2110720
(cherry-picked from commit af2ccb811d)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2208767
Reviewed-by: Kajetan Dutka <kdutka@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Winnie Hsu <whsu@nvidia.com>
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- To enable FECS trace support, nvgpu should set the MSB
of the read pointer (MAILBOX1).
- The ucode will check if the feature is enabled/disabled
before writing a record into the circular buffer. If the
feature is disabled, it will not write the record.
- If the feature is enabled and the buffer is not allocated,
HW will throw a page fault error.
Bug 2459186
Bug 200542611
Change-Id: I6f181643737d1cf1bda02077eaa714a3f4ef3d8c
Signed-off-by: seshendra <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2189250
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Register gk20a non-arch-specific functions for gm20b
gpu_ops.fecs_trace,
Register nvgpu_os_linux_ops.fecs_trace.init_debugfs
gp10b_fecs_trace_flush is now replaced by gm20b_fecs_trace_flush in
fecs_trace_gm20b.* and the fecs_trace_gp10b.* files are removed.
Bug 2052906
Change-Id: I245c91ae8e6015b87bafeb3ec023b98fe4c57501
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2115247
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Add new power/clock gating functions that can be called by
other units.
New clock_gating functions will reside in cg.c under
common/power_features/cg unit.
New power gating functions will reside in pg.c under
common/power_features/pg unit.
Use nvgpu_pg_elpg_disable and nvgpu_pg_elpg_enable to disable/enable
elpg and also in gr_gk20a_elpg_protected macro to access gr registers.
Add cg_pg_lock to make elpg_enabled, elcg_enabled, blcg_enabled
and slcg_enabled thread safe.
JIRA NVGPU-2014
Change-Id: I00d124c2ee16242c9a3ef82e7620fbb7f1297aff
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2025493
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry-picked from c905858565 in
dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2108406
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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In gr_gp10b_set_cilp_preempt_pending() we already extract TSG pointer
by calling tsg_gk20a_from_ch() which safely returns correct TSG or
NULL in error case
But before calling g->ops.fifo.post_event_id() we again extract TSG
by directly accessing g->fifo.tsg array, and this could result in
getting invalid TSG pointer
Fix this by removing direct TSG extraction through g->fifo.tsg
Bug 2444819
Jira NVGPU-1601
Change-Id: I9d49b5309c74e162828e7cb7d97556aae939a07c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1984954
(cherry picked from commit dcd3778b5e)
Reviewed-on: https://git-master.nvidia.com/r/2077313
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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Add gk20a_channel_from_id() to retrieve a channel, given a raw channel
ID, with a reference taken (or NULL if the channel was dead). This makes
it harder to mistakenly use a channel that's dead and thus uncovers bugs
sooner. Convert code to use the new lookup when applicable; work remains
to convert complex uses where a ref should have been taken but hasn't.
The channel ID is also validated against FIFO_INVAL_CHANNEL_ID; NULL is
returned for such IDs. This is often useful and does not hurt when
unnecessary.
However, this does not prevent the case where a channel would be closed
and reopened again when someone would hold a stale channel number. In
all such conditions the caller should hold a reference already.
The only conditions where a channel can be safely looked up by an id and
used without taking a ref are when initializing or deinitializing the
list of channels.
Jira NVGPU-1460
Change-Id: I0a30968d17c1e0784d315a676bbe69c03a73481c
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1955400
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 7df3d58750
in dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2008515
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gops.fb.dump_vpr_wpr_info() accesses both VPR and WPR registers.
Split this into two different HALs gops.fb.dump_vpr_info() and
gops.fb.dump_wpr_info()
Also unset HALs accessing VPR registers on dGPUs
We don't support VPR on dGPUs
Remove fb_mmu_vpr_info_r() register and all its accessors from
dGPU headers
Bug 2173122
Change-Id: I5b2712f8c5389e422a84c375a7e836add48bfd1c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1850947
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We don't support big page size beginning Pascal, so set HAL
gops.fb.set_mmu_page_size() to NULL on all those platforms
Also remove these accessors from corresponding platforms
fb_mmu_ctrl_use_pdb_big_page_size_v()
fb_mmu_ctrl_use_pdb_big_page_size_true_f()
fb_mmu_ctrl_use_pdb_big_page_size_false_f()
Bug 2173122
Change-Id: I7353412860a7a6f8a993ca9184a0dc3ca9d749af
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1850946
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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No one is checking return values for the *get_litter_value()
functions in the 100s of references, and some of the *get_litter_value()
functions were already doing a BUG(), we'll just call BUG() in all them.
And since we don't return in the error case, and there's no guarantee
that an errno won't collide with the litter values, we'll just
initialize the local ret value to 0 to avoid problems and confusion.
JIRA NVGPU-647
Change-Id: Id974c904a142c4b3abf1ab940121c270208b0b83
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1830582
GVS: Gerrit_Virtual_Submit
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Scott Long <scottl@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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All callers for the *get_litter_value() functions were expecting u32,
but the functions were declared to return int's. This is a violation of
MISRA 10.3 which prohibits implicit assignment between essential types
(signed int and unsigned long int, in this case). The litter values
are all u32's anyway.
JIRA NVGPU-647
Change-Id: I853d2abee372488e5d12e355050cbeaf1e53a42c
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1830581
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Scott Long <scottl@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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currently clk-arb is setting GPC clock frequency to minimum
frequency and once clk-arb support is enabled for QNX, QNX
will also runs to minimum frequency which is not expected.
changing default GPC clock frequency to max.
Bug 200422845
Change-Id: Ic13c1b6ee2c71442e4248f0a11b8056100cd2a7d
Signed-off-by: Prateek sethi <prsethi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1842388
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MISRA rule 21.2 doesn't allow the use of macro names which start with
an underscore. These leading underscores are to be removed from the
macro names. This patch will fix such violations in gp10b by renaming
them to follow the convention, 'NVGPU_PARENT-DIR_HEADER-NAME' when
there is no keyword repetition between file name and directory or
'NVGPU_HEADER-NAME' when there is repetition.
JIRA NVGPU-1028
Change-Id: If66863e568d74a0bc7473cf8decacece1e1069f3
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1819163
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mclk is not enabled yet for IGPUs and as such we donot allocate memory
and incorrectly free them in gp10b_clk_arb_cleanup. This is corrected
by removing the freeing of the mclk pointers in gp10b_clk_arb_cleanup.
As an addon also change gk20a/gk20a.h to <nvgpu/gk20a.h> in
clk_arb_gp10b.c
Bug 2061372
Change-Id: I3bba20443b9ef7beb88251779edd67a32f6c9d20
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1836553
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Prateek Sethi <prsethi@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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-Created struct nvgpu_acr to hold acr module related member
within single struct which are currently spread across multiple structs
like nvgpu_pmu, pmu_ops & gk20a.
-Created struct hs_flcn_bl struct to hold ACR HS bootloader specific members
-Created struct hs_acr to hold ACR ucode specific members like bootloader data
using struct hs_flcn_bl, acr type & falcon info on which ACR ucode need to run.
-Created acr ops under struct nvgpu_acr to perform ACR specific operation,
currently ACR ops were part PMU which caused to have always dependence
on PMU even though ACR was not executing on PMU.
-Added acr_remove_support ops which will be called as part of
gk20a_remove_support() method, earlier acr cleanup was part of
pmu remove_support method.
-Created define for ACR types,
-Ops acr_sw_init() function helps to set ACR properties
statically for chip currently in execution & assign ops to point to
needed functions as per chip.
-Ops acr_sw_init execute at early as nvgpu_init_mm_support calls acr
function to alloc blob space.
-Created ops to fill bootloader descriptor & to patch WPR info to ACR uocde
based on interfaces used to bootstrap ACR ucode.
-Created function gm20b_bootstrap_hs_acr() function which is now common
HAL for all chips to bootstrap ACR, earlier had 3 different function for
gm20b/gp10b, gv11b & for all dgpu based on interface needed.
-Removed duplicate code for falcon engine wherever common falcon code can be used.
-Removed ACR code dependent on PMU & made changes to use from nvgpu_acr.
JIRA NVGPU-1148
Change-Id: I39951d2fc9a0bb7ee6057e0fa06da78045d47590
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1813231
GVS: Gerrit_Virtual_Submit
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- Removed ACR support code from PMU module
- Deleted ACR related ops from pmu ops
- Deleted assigning of ACR related ops
using pmu ops during HAL init
-Removed code related to ACR bootstrap &
dependent code for all chips.
JIRA NVGPU-1147
Change-Id: I47a851a6b67a9aacde863685537c34566f97dc8d
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1817990
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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Restrict access to devfreq when there are active set requests in the
clk_arbiter. We make the following changes in the patch.
1) Add a global counter in the struct gk20a named clk_arb_global_nr which
is used to track the number of active set requests in the system.
2) Anytime a set request is successfully made by the userspace,
clk_arb_global_nr is incremented by 1 and during the completion of
request(releasing the corresponding file handle), clk_arb_global_nr is
decremented by 1.
3) gk20a_scale_target(invoked by devfreq to set the new frequency based
on load) atomically checks clk_arb_global_nr. If the value = 0, the
code simply continue or else if its > 0, it quits thus making devfreq
requests mutually exclusive with the clk_arbiter.
Bug 2061372
Change-Id: I5d19de03e45520f4ff8fccb97b1f1589d04c8ab8
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1790002
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This patch constructs clk_arbiter specific code for gp10b as well as
gv11b and does the necessary plumbing in the clk_arbiter code. The
changes made are as follows.
1) Constructed clk_arb_gp10b.* files which add support for clk_arb
related HALS including the nvgpu_clk_arb_init and nvgpu_clk_arb_cb.
This doesn't have support for debugfs nor the VFUpdateEvent yet and
consequently no support for arb->notifications.
2) Added gpcclk specific variables corresponding to every gpc2clk in
a given clk_arb related struct.
3) Linux specific support_clk_freq_controller is assigned true in
platform_gp10b.c and platform_gv11b.c files.
4) Incremented the clk_arb_worker.put atomic variable during
worker_deinit so as to allow the worker thread to be stopped.
5) Added the flag clk_arb_events_supported as part of struct
nvgpu_clk_arb. This flag is used to selectively account for the extra
refcounting present in OS specific code i.e.
nvgpu_clk_arb_commit_request_fd. For igpus, the extra refcount is
reduced during nvgpu_clk_arb_release_completion_dev.
Bug 2061372
Change-Id: Id00acb106db2b46e55aa0324034a16a73723c078
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1774281
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1) Move channel_sync_gk20a.* from gk20a/ to common/ directory as they
donot program any hardware registers. Also as an add-on rename
channel_sync_gk20a.* to channel_sync.* and update the headers
in required files.
2) Rename the struct gk20a_channel_sync to struct nvgpu_channel_sync. Also,
corresponding syncpt and semaphore versions of the struct alongwith
related methods are renamed by removing "gk20a" from their names and
adding "nvgpu".
3) Add misra-c cleanups
Jira NVGPU-1086
Change-Id: I4e0e21803ca3858dd7a5fc4d2454dba1f1bfcecd
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1812594
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Move implementation of MC HAL to common/mc. Also bump gk20a
implementation to gm20b.
gk20a_mc_boot_0 was used via a HAL, but we have only one possible
implementation. It also has to be anyway called directly to detect
which HALs to assign, so make it a true common function.
mc_gk20a_handle_intr_nonstall was also used only in os/linux/intr.c
so move it there.
JIRA NVGPU-954
Change-Id: I79aedc9158f90d578db0edc17b714617b52690ac
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1813519
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
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MISRA 21.2 states that we may not use reserved identifiers; since
all identifiers beginning with '_' are reserved by libc, the usage
of '__' as a prefix is disallowed.
Handle the 21.2 fixes for nvgpu_mem.c and mm.c; this deletes the
'__' prefixes and slightly renames the __nvgpu_aperture_mask()
function since there's a coherent version and a general version.
Change-Id: Iee871ad90db3f2622f9099bd9992eb994e0fbf34
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1813623
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Fix MISRA 10.3 violations in mclk_gp106.c. Cleanup cases where values
were being assigned to narrower types.
Changes in mclk_gp106.c required updates to other files to resolve
errors and prevent introducing new violations.
JIRA NVGPU-647
Change-Id: Ifdb03ad41d9dbf05dbcf79494ae8565fff6ee083
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1809366
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Below regops HALs are not being called from anywhere, so remove them
gops.regops.get_runcontrol_whitelist_ranges()
gops.regops.get_runcontrol_whitelist_ranges_count()
gops.regops.get_qctl_whitelist_ranges()
gops.regops.get_qctl_whitelist_ranges_count()
HAL gops.regops.apply_smpc_war() is unimplemented for all the chips, and it
was originally only needed for gk20a which is not unsupported
So remove this HAL and its call too
Jira NVGPU-620
Change-Id: Ia2c74883cd647a2e94ee740ffd040a40c442b939
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1813106
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
The graphics subctx header object is nothing but memory. Drop the
dependency to gr header file in the channel header file and substitute
struct nvgpu_mem for struct ctx_header_desc.
Jira NVGPU-967
Change-Id: Ic3976391016c42d2ada4aac3e0851a1222244ce9
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1807370
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
MISRA rule 10.3 prohibits implicit assigning of u64 to u32. The nvgpu was
assigning the value returned by ARRAY_SIZE which is a u64 to a u32. This
value was then returned in a function defined by gpu_ops.
This patch changes the return type for these gpu_ops to u64 and updates
the functions that implement the functions and lastly the saved value. This
removes the violation in this instance.
JIRA NVGPU-647
Change-Id: I2b93929633cf4809d8f65ee41f739f45d4c2cda7
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1805588
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
