Commit Graph

95 Commits

Author SHA1 Message Date
Vedashree Vidwans
913a2d519f gpu: nvgpu: ga10b: correct cbc base/top reg value
CBC base and top values need to be left shifted by cbc_alignment factor
to store in the CBC_BASE and CBC_TOP registers respectively. Fix cbc
calculations accordingly.
Update cbc information debug prints to print with gpu_dbg_info flag.

Bug 3353418

Change-Id: I858c46a9dab1e5f810cabb327ba1797f15a2960e
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2574119
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Bitan Biswas <bbiswas@nvidia.com>
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2021-08-14 06:24:40 -07:00
Sagar Kamble
40064ef1ec gpu: nvgpu: fix ecc counter free
ECC counter structures are freed without removing the node from the
stats_list. This can lead to invalid access due to dangling pointers.

Update the ecc counter free logic to set them to NULL upon free, to
remove them from stats_list and free them by validation.

Also updated some of the ecc init paths where error was not propa-
gated to callers and full ecc counters deallocation was not done.

Now, calling unit ecc_free from any context (with counters alloc-
ated or not) is harmless as requisite checks are in place.

bug 3326612
bug 3345977

Change-Id: I05eb6ed226cff9197ad37776912da9dcb7e0716d
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2565264
Tested-by: Ashish Mhetre <amhetre@nvidia.com>
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Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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GVS: Gerrit_Virtual_Submit
2021-08-11 01:55:08 -07:00
Vedashree Vidwans
a7a2e1e263 gpu: nvgpu: ga10b: update cbc divisor and top reg
Currently, cbc init and compression tests are failing because MMU marks
cbc to be not safe.
- Modify cbc.get_base_divisor hal to use ltc_count = 1 for Tegra devices
- Update fb.cbc_configure to write compbit_backing_size value to
fb_mmu_cbc_top register.
- After config confirm that CBC is marked safe.

Bug 3353418

Change-Id: I1e9c27f47f7bfcf476f2499231951382e2e8653d
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2570550
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
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Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
2021-08-05 22:33:56 -07:00
Vedashree Vidwans
5eec60510b gpu: nvgpu: ga10b: gr vab addr reg config
Configure VAB range checker registers in GR.

Bug 2999621

Change-Id: Ice00ad98ec575f74b098c1ac3a6c0dbcdbe677e8
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2564261
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
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2021-07-25 12:13:18 -07:00
Sagar Kadamati
aabc161151 gpu: nvgpu: vgpu: added VAB support for HV
Added below IVC commands to support VAB on HV.

 * TEGRA_VGPU_CMD_FB_VAB_RESERVE - Enable & Configure VAB tracking
 * TEGRA_VGPU_CMD_FB_VAB_FLUSH_STATE - Dump VAB to user buffer
 * TEGRA_VGPU_CMD_FB_VAB_RELEASE - Disable VAB tracking

Also set HAL and enable VAB for ga10b vgpu.

Jira GVSCI-4619

Change-Id: Id7564611c24740ab8613e4baa420ee58fb52759a
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2507268
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2021-07-16 16:40:47 -07:00
Vedashree Vidwans
43980bfe06 gpu: nvgpu: remove nvgpu_is_bpmp_running usage
BPMP driver doesn't support any API to check whether bpmp is running.
Remove use of nvgpu_is_bpmp_running.

Bug 200720732

Change-Id: Id266e65d4af598dd056cbdbaa219d0d53b7b3fb3
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2556448
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
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2021-07-15 10:06:42 -07:00
tkudav
0526e7eaa9 gpu: nvgpu: Create CIC-mon and CIC-rm subunits
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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2021-07-02 09:57:56 -07:00
Antony Clince Alex
d2919409e9 gpu: nvgpu: rename/collpase nvgpu_next functions and structs
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>
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2021-06-27 05:02:58 -07:00
Sagar Kadamati
3e43f92f21 gpu: nvgpu: add ga10b & ga100 sources
Mass copy ga10b & ga100 sources from nvgpu-next repo.
TOP COMMIT-ID: 98f530e6924c844a1bf46816933a7fe015f3cce1

Jira NVGPU-4771

Change-Id: Ibf7102e9208133f8ef3bd3a98381138d5396d831
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2524817
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Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
2021-06-17 12:56:16 -07:00
Tejal Kudav
9f43914933 gpu: nvgpu: Move Intr handling common code to CIC
CIC (Central Interrupt controller) will be responsible for the
interrupt handling. common.cic unit is the placeholder for all
interrupt related code. Move interrupt related defines and
Public APIs present in common.mc to common.cic.
Note: The common.mc interrupts related struct definitions are
not moved as part of this patch.

Adapt the code to use interrupt handling related defines and public
APIs migrated from common.mc to common.cic

JIRA NVGPU-6899

Change-Id: I747e2b556c0dd66d58d74ee5bb36768b9370d276
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2535618
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Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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2021-05-31 19:37:31 -07:00
Vedashree Vidwans
86cb03d2f1 gpu: nvgpu: Replace WAR keyword with "fix"
Replace/remove "WAR" keyword in the comments in nvgpu driver with "fix".
Rename below functions and corresponding gops to replace "war" word with
"errata" word:
- g.pdb_cache_war_mem
- ramin.init_pdb_cache_war
- ramin.deinit_pdb_cache_war
- tu104_ramin_init_pdb_cache_war
- tu104_ramin_deinit_pdb_cache_war
- fb.apply_pdb_cache_war
- tu104_fb_apply_pdb_cache_war
- nvgpu_init_mm_pdb_cache_war
- nvlink.set_sw_war
- gv100_nvlink_set_sw_war

Jira NVGPU-6680

Change-Id: Ieaad2441fac87e4544eddbca3624b82076b2ee73
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2515700
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
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GVS: Gerrit_Virtual_Submit
2021-04-28 19:14:49 -07:00
Seshendra Gadagottu
21e1328ea1 gpu: nvgpu: add fb gops for set_atomic_mode
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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2021-04-22 14:58:36 -07:00
Antony Clince Alex
c36752fe3d gpu: nvgpu: sim: make ring buffer independent of PAGE_SIZE
The simulator ring buffer DMA interface supports buffers of the following sizes:
4, 8, 12 and 16K. At present, it is configured to 4K and it  happens to match
with the kernel PAGE_SIZE, which is used to wrap back the GET/PUT pointers once
4K is reached. However, this is not always true; for instance, take 64K pages.
Hence, replace PAGE_SIZE with SIM_BFR_SIZE.

Introduce macro NVGPU_CPU_PAGE_SIZE which aliases to PAGE_SIZE and replace
latter with former.

Bug 200658101
Jira NVGPU-6018

Change-Id: I83cc62b87291734015c51f3e5a98173549e065de
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2420728
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2020-12-15 14:13:28 -06:00
Vedashree Vidwans
e0dd79cd43 gpu: nvgpu: rearch mc reset and enable hals
Remove current mc hals
- mc.reset()
- mc.enable()
- mc.disable()
- mc.reset_mask()
- mc.reset_engine()
- mc.reset_engine_enable()

Add new mc hals
- mc.enable_units(g, units, enable)
  > enable/disable given unit(s)
- mc.enable_dev(g, dev, enable)
  > enable/disable engine represented by given device pointer
- mc.enable_devtype(g, devtype)
  > enable/disable all engines of given devtype

Move common mc intr functions to common/mc/mc_intr.c.
Add below common mc functions
- nvgpu_mc_reset_units(g, units)
  > reset given logical OR of nvgpu unit bitmap
- nvgpu_mc_reset_dev(g, dev)
  > reset given single engine via dev
  > if engine is graphics, reset gpcs for nvgpu_next
- nvgpu_mc_reset_devtype(g, devtype)
  > reset all engines of given devtype
  > if devtype is graphics, reset gpcs for nvgpu_next

Bug 200648985
Bug 3109773

Change-Id: Idc67a14a0a7cde83de44fbfbec13007fead3ed5c
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2408523
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2020-12-15 14:13:28 -06:00
Debarshi Dutta
38ce6fa717 gpu: nvgpu: change unnamed structs to named structs
Following changes are made in this patch.
1) Change unnamed structs within gpu_ops to named structs
with the prefix gops_*.

2) Each named struct gops_ are moved into a separate gops specific file
under include/nvgpu/gops/

3) struct gpu_ops is moved into a separate file include/nvgpu/gpu_ops.h
and all other dependent struct gops_* are included in this header.

4) Direct references to include/nvgpu/gops are removed from files as its enough
to include gk20a.h.

Change-Id: Ieb22cb853be567e3bef14f5f8a04674eebd902ea
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2398776
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Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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GVS: Gerrit_Virtual_Submit
2020-12-15 14:13:28 -06:00
Vedashree Vidwans
fb95b7efa7 gpu: nvgpu: move nvgpu_func io functions to common
- Move nvgpu_func_writel and nvgpu_func_readl to common io file.
- Add func.get_full_phys_offset() hal to gk20a_gops structure.
- Add tu104_func_get_full_phys_offset() for tu104.

JIRA NVGPU-5363

Change-Id: I2aa13862a37f48321510882053256e16ef3f7377
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2383483
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2020-12-15 14:13:28 -06:00
Rajesh Devaraj
b8c6ad3f5f gpu: nvgpu: remove service IDs
This patch removes the reporting of _ECC_CORRECTED errors which are
not applicable to GV11B. Specifically, this patch removes the code
related to the  reporting of the following service IDs:

NVGUARD_SERVICE_IGPU_SM_SWERR_LRF_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_CBU_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_PMU_SWERR_FALCON_DMEM_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_GPCCS_SWERR_FALCON_DMEM_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_FECS_SWERR_FALCON_DMEM_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_GCC_SWERR_L15_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_MMU_SWERR_L1TLB_FA_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_MMU_SWERR_L1TLB_SA_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_HUBMMU_SWERR_L2TLB_SA_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_HUBMMU_SWERR_TLB_SA_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_HUBMMU_SWERR_PTE_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_HUBMMU_SWERR_PDE0_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_ICACHE_L0_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_L1_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_ICACHE_L0_PREDECODE_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_ICACHE_L1_DATA_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_ICACHE_L1_PREDECODE_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_L1_TAG_MISS_FIFO_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_SM_SWERR_L1_TAG_S2R_PIXPRF_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_LTC_SWERR_CACHE_TSTG_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_LTC_SWERR_CACHE_RSTG_ECC_CORRECTED
NVGUARD_SERVICE_IGPU_LTC_SWERR_CACHE_DSTG_BE_ECC_CORRECTED

Bug 200616002

Change-Id: I199c396f9f6a6be007bd6d3c556199b5a73c3c91
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2349587
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: Antony Clince Alex <aalex@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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2020-12-15 14:13:28 -06:00
Vedashree Vidwans
fc5b45ea83 gpu: nvgpu: move init_ltc_support sequence
Currently, ltc fs_state is initialized during ltc init support. However,
ltc cbc_param and cbc_param2 registers do not seem to be providing
correct data if ltc.init_fs_state is called before fb.init_fs_state.
- Create fb.init_fb_support hal to initialize fb.
- Trigger init_fb_support before init_ltc_support.

Bug 2969956
Bug 2957808
JIRA NVGPU-4666

Change-Id: I54d697d27b9d9c6318c4ef459d215b6f82cd5571
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2345673
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2020-12-15 14:13:28 -06:00
Antony Clince Alex
50dcfe1637 gpu: nvgpu: update fb unit ecc init, handling
The ecc init, handling for the fb unit is refactored to improve reusability
for nvgpu-next.

The following changes have been done:
- fb.ecc:
  This is a new subunit within fb and contains the following functions:
  - init: Moved from fb.fb_ecc_init.
  - free: Moved from fb.fb_ecc_free.
  - l2tlb_error_mask: Fetch bit mask for corrected, uncorrected errors supported
    by the unit.
- fb.intr:
  This unit has been updated to include the following ecc interrupt, error
  handlers:
  - handle_ecc: Top level interrupt handler for fb ecc errors.
  - handle_ecc_l2tlb: Handle errors within l2tlb memory.
  - handle_ecc_hubtlb: Handle errors within hubtlb memory.
  - handle_ecc_fillunit: Handle errors within fillunit memory

Jira: NVGPU-5032

Change-Id: I1a26c1823eb992e0e0175250b969f1186dff6e62
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2333271
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2020-12-15 14:13:28 -06:00
Seema Khowala
68caee196a gpu: nvgpu: add mm.mmu_fault.parse_mmu_fault_info gops
Add mm.mmu_fault.parse_mmu_fault_info gops. This is required
for nvgpu-next.
Also add mmu_engine_id type in mmu_fault structure. This variable
will be set in parse_mmu_fault_info hal so that
gv11b_mm_mmu_fault_handle_other_fault_notify does not depend
upon any chip specific h/w header. This is needed because
BAR2 mmu engine id has changed in nvgpu-next.

JIRA NVGPU-5032

Change-Id: I0c5e9ef607aff5b105f59582013cbfb31396290a
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2330693
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Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Tested-by: Lakshmanan M <lm@nvidia.com>
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2020-12-15 14:13:28 -06:00
Seema Khowala
aff5497907 gpu: nvgpu: add intr_unit_bitmask i/p param for fb.intr.isr
tu104 onwards, fb interrupt status/enable/disable moved from
fb_niso_intr_* reg to fb_*vector* registers.
At the top level, fb interrupt status/enable/disable is done
using hub_intr bit in mc_intr registers.

Starting nvgpu-next, this has changed.

JIRA NVGPU-5032

Change-Id: Ib54170b055b83e2696312c811c2e3ba678749359
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2330867
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
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Reviewed-by: Alex Waterman <alexw@nvidia.com>
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2020-12-15 14:13:28 -06:00
Thomas Fleury
d980bd2781 gpu: nvgpu: build flag for fb mmu debug mode
Use CONFIG_NVGPU_DEBUGGER for the following function:
- gv100_fb_set_mmu_debug_mode

Jira NVGPU-4661

Change-Id: Ia074fcab6695ba20b3cf1ef86f08d1b1735fcefe
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2313590
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
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2020-12-15 14:13:28 -06:00
Vaibhav Kachore
bbb63c0a8c gpu: nvgpu: remove "trace/events/gk20a.h" from QNX build
- "include/trace/events/gk20a.h" file was having GPL2 license
(which should not used for QNX code). This file was used for
compiling linux userspace driver("libnvgpu-drv.so") and was used for
unit testing on QNX.
- This patch removes stubs in "include/trace/events/gk20a.h" file.
(which were used for linux userspace driver.)
- For QNX driver, "nvgpu_rmos/trace/events/gk20a.h" was used.
This patch moves that file to "include/nvgpu/posix/trace_gk20a.h" and
does relevant license change. This same file will be used for linux
userspace driver.
- This patch also creates a new file "include/nvgpu/trace.h" which
selects proper trace file depending on the config.

Bug 2802414

Change-Id: Icdfb251e5698073f986753a969e804161af3ecc5
Signed-off-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2286388
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2020-12-15 14:13:28 -06:00
Scott Long
a54c207c37 gpu: nvgpu: hal: misra 12.1 fixes
MISRA Advisory Rule states that the precedence of operators within
expressions should be made explicit.

This change removes the Advisory Rule 12.1 violations from hal code.

Jira NVGPU-3178

Change-Id: If903544e1aa7264dc07f959a65ff666dfe89a230
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2277478
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Reviewed-by: Adeel Raza <araza@nvidia.com>
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2020-12-15 14:10:29 -06:00
Scott Long
ae44d384f3 gpu: nvgpu: MISRA 4.5 fixes to round_up()
MISRA Advisory Directive 4.5 states that identifiers in the same
name space with overlapping visibility should be typographically
unambiguous.

The presence of both the roundup(x,y) and round_up(x,y) macros in
the posix utils.h header incurs a violation of this rule.

These macros were added to keep in sync with the linux kernel variants.

However, there is a key distinction between how these two macros
work in the linux kernel; roundup(x,y) can handle any y alignment while
round_up(x,y) is intended to work only when y is a power-of-two.

Passing a non-power-of-two alignment to round_up(x,y) results in an
incorrect value being returned (silently).

Because all current uses of roundup(x,y) and round_up(x,y) in
nvgpu specify a y value that is a power-of-two and the underlying
posix macro implementations assume as much, it is best to remove
roundup(x,y) from nvgpu altogether to avoid any confusion.

So this change converts all uses of roundup(x,y) to round_up(x,y).

Jira NVGPU-3178

Change-Id: I0ee974d3e088fa704e251a38f6b7ada5a7600aec
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2271385
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>
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2020-12-15 14:10:29 -06:00
Adeel Raza
7c634f2489 gpu: nvgpu: error related MISRA fixes
Fix various MISRA violations related to error codes returned by
functions. These error codes were not being handled/checked.

JIRA NVGPU-3873

Change-Id: Id9a6caefe43248c4e22423cda3bac0ceeb9f47c9
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2262187
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
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2020-12-15 14:10:29 -06:00
Nicolas Benech
ce6fc269a1 gpu: nvgpu: compile out unreachable code in unit testing
Make use of the POSIX flag to compile out a BPMP-related print that
cannot occur in posix builds.

JIRA NVGPU-932

Change-Id: I4373b9d0d486316dbae3a555f6887361ec54ea29
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2259665
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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2020-12-15 14:10:29 -06:00
Sagar Kadamati
42ccc21c62 gpu: nvgpu: fix static violations in common
* Updated types and added error checks
 * Modified GR condition for ctxsw disable count
   CERT-C error check was added to detect error on integer overflow
   But below logic couldn't detect first overflow, so updated condition

   INT_MAX < gr->ctxsw_disable_count --> it became true after overflow
   So, we didn't detected in first overflow and lead to assert on enable

JIRA NVGPU-3400

Change-Id: I6b0265a464f8f19efa7b0761612c6e9ffb3bd2bd
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2206282
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2020-12-15 14:10:29 -06:00
Sagar Kamble
a8c9c800cd gpu: nvgpu: reorganization of MC interrupts control
Previously, unit interrupt enabling/disabling and corresponding MC level
interrupt enabling/disabling was not done at the same time.
With this change, stall and nonstall interrupt for units are programmed
at MC level along with individual unit interrupts. Kept access to MC
interrupt registers through mc.intr_lock spinlock.

For doing this separated CE and GR interrupt mask functions.
mc.intr_enable is only used when there is global interrupt
control to be set. Removed mc_gp10b.c as mc_gp10b_intr_enable
is now removed. Removed following functions - mc_gv100_intr_enable,
mc_gv11b_intr_enable & intr_tu104_enable. Removed intr_pmu_unit_config
as we can use the generic unit interrupt control function.

JIRA NVGPU-4336

Change-Id: Ibd296d4a60fda6ba930f18f518ee56ab3f9dacad
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2196178
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2020-12-15 14:10:29 -06:00
Sagar Kamble
daf5475f50 gpu: nvgpu: split ecc support per GPU HW unit
To enable ecc interrupts early during nvgpu_finalize_poweron, ecc
support has to be enabled early. ecc support was being initialized
together for GR, LTC, PMU, FB units late in the poweron sequence.

Move the ecc init for each unit to respective unit's init functions.
And separate out the hal ecc functions from GR ecc unit to
respective hal units.

JIRA NVGPU-4336

Change-Id: I2c42fb6ba3192dece00be61411c64a56ce16740a
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2239153
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2020-12-15 14:10:29 -06:00
Sagar Kamble
2edf3db10a gpu: nvgpu: move mc gpu_ops out of gk20a.h and add doxygen comments for HALs
gk20a.h will include gops_mc.h to contain the mc ops definitions. Add
doxygen comments for the HAL functions that are called directly.
Also move mc_gp10b_intr_pmu_unit_config to non-fusa HAL file.

JIRA NVGPU-2524

Change-Id: I4f326332d7842211b004b372d79fac9fe6ed40e7
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2226017
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2020-12-15 14:10:29 -06:00
Seshendra Gadagottu
984fa5247a gpu: nvgpu: move replayable fault related code out of safety build
Moved mmu replayable fault related code under CONFIG_NVGPU_REPLAYABLE_FAULT
switch, so that it will be compiled out for safety build.

Following hals and their related code also moved under
CONFIG_NVGPU_REPLAYABLE_FAULT switch:
void (*handle_replayable_fault)(struct gk20a *g);
int (*mmu_invalidate_replay)(struct gk20a *g, u32 invalidate_replay_val);

JIRA NVGPU-4302

Change-Id: I191ee0c181b276a04bc1531488862380af81a5c9
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2227176
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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2020-12-15 14:10:29 -06:00
Philip Elcan
06fd513e1e gpu: nvgpu: move common.unit into common.mc
nvgpu.common.unit was just an enum used for passing to nvgpu.common.mc
APIs. So, move the enum into mc.h, and replace the include of unit.h
with mc.h where appropriate. And update the yaml arch.

JIRA NVGPU-4144

Change-Id: I210ea4d3b49cd494e43add1b52f3fbcdb020a1e3
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2216106
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2020-12-15 14:10:29 -06:00
Philip Elcan
51cf6317bb gpu: nvgpu: fb: reduce CCM for fb_int_ecc_gv11b
Reduce code complexity for gv11b_fb_intr_handle_ecc_fillunit(),
gv11b_fb_intr_handle_ecc_hubtlb() and gv11b_fb_intr_handle_ecc_l2_tlb(),
by creating helper functions for printing errors.

This reduces the TCC metric to 9 for all 3 functions.

JIRA NVGPU-4064

Change-Id: I13169352de6f4c6bf609be16861ecfa85bad0fa6
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2212889
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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2020-12-15 14:05:52 -06:00
Vedashree Vidwans
d6fc9d176e gpu: nvgpu: fix MISRA 17.1 in timeout_expired_msg
MISRA rule 17.1 forbids use of stdarg.h features defined for variable
arguments. This patch creates timers.h header for posix and QNX to
change nvgpu_timeout_expired_msg() to macro definition.

Jira NVGPU-4075

Change-Id: I8167f0ff7fdfb74adbbbed9c3021a9df2ad6401b
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2200885
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2020-12-15 14:05:52 -06:00
Sagar Kamble
6c3c360462 gpu: nvgpu: protect nvgpu power state access using spinlock
IRQs can get triggered during nvgpu power-on due to MMU fault, invalid
PRIV ring or bus access etc. Handlers for those IRQs can't access the
full state related to the IRQ unless nvgpu is fully powered on.

In order to let the IRQ handlers know about the nvgpu power-on state
gk20a.power_on_state variable has to be protected through spinlock
to avoid the deadlock due to usage of earlier power_lock mutex.

Further the IRQs need to be disabled on local CPU while updating the
power state variable hence use spin_lock_irqsave and spin_unlock_-
irqrestore APIs for protecting the access.

JIRA NVGPU-1592

Change-Id: If5d1b5e2617ad90a68faa56ff47f62bb3f0b232b
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2203860
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2020-12-15 14:05:52 -06:00
Nitin Kumbhar
6208e86ca8 gpu: nvgpu: fix value leaking in log
The timeout message of nvgpu_timeout_expired_msg() leaks
a stack value (%llx) in error log on timeout. As the format
expects 1 argument and none is given, fix this by specifying
the required argument.

Bug 2626449

Change-Id: I6eddbeaa8b6d91a51d755dfb3df9e7c800f0d161
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2205423
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
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2020-12-15 14:05:52 -06:00
Sagar Kamble
ec293030c1 gpu: nvgpu: move non-safe functions from fusa hal to non-fusa hal
Multiple non-safe functions under NVGPU_DEBUGGER, NVGPU_CILP and other
config flags were moved to fusa files. Although they are guarded by
the C flags, it makes sense to keep those functions in non-fusa
files. Make this change for all hals.

JIRA NVGPU-3853

Change-Id: I8151b55a60cb50c5058af48bab9e8068f929ac3b
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2204352
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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2020-12-15 14:05:52 -06:00
Mahantesh Kumbar
744cf2467d gpu: nvgpu: mem unlock ucode load & bootstrap changes
-Removed dependency from ACR unit to load mem unlock HS ucode
 on to FB Falcon using Falcon unit's HS ucode load bootstrap
 function.

JIRA NVGPU-3811

Change-Id: I29977fb0391797b53ad577a011a01c03e1853b74
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2195017
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
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Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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2020-12-15 14:05:52 -06:00
Rajesh Devaraj
935c5f6578 gpu: nvgpu: fix misra violations in SDL
This patch addresses misra violations due to SDL error reporting
callbacks. In particular, it addresses the following misra violation:

- misra_c_2012_directive_4_7_violation: Calling function
  "nvgpu_report_*_err()" which returns error information without testing
  the error information.

JIRA NVGPU-4025

Change-Id: Ia10b6b3fd9c127a8c5189c3b6ba316f243cedf04
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2196895
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2020-12-15 14:05:52 -06:00
Sagar Kamble
e53d24d6d2 gpu: nvgpu: fix MISRA Rule 8.6 violations
ifdef function prototypes with CONFIG_* defines. This fixes MISRA rule
8.6 violations which complain about undefined functions.
Also moved nvgpu_channel_get_from_file prototype to ioctl_channel.h &
nvgpu_probe to driver_common.h as those are linux specific. Define
nvgpu_init_soc_vars in posix/soc.c as it is implemented in QNX.

JIRA NVGPU-3873

Change-Id: I5d2b238e1b5d1318867cd2416ac5f03cc6ab7c6a
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2196794
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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2020-12-15 14:05:52 -06:00
Adeel Raza
3107bc862b gpu: nvgpu: ifdef function prototypes in headers
ifdef function prototypes with CONFIG_* defines. This fixes MISRA rule
8.6 violations which complain about undefined functions.

JIRA NVGPU-3873

Change-Id: I4794eceed475672f347621ac25c09552a25d4ac1
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2195585
GVS: Gerrit_Virtual_Submit
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2020-12-15 14:05:52 -06:00
Adeel Raza
fb418a2cb3 gpu: nvgpu: delete unused function prototypes
gv11b_fb_reset() and nvgpu_tegra_fuse_write_gcplex_config_fuse() are no
longer implemeneted. Delete their function prototypes from headers.

JIRA NVGPU-3873

Change-Id: I6d40ed26529191f958e85438e9ada6e72ad5e23c
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2195574
GVS: Gerrit_Virtual_Submit
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2020-12-15 14:05:52 -06:00
Thomas Fleury
8057514a9f gpu: nvgpu: set FB/HSMMU debug mode
Set NV_PFB_HSMMU_PRI_MMU_DEBUG_CTRL and NV_PFB_PRI_MMU_DEBUG_CTRL
in addition to NV_PGRAPH_PRI_GPCS_MMU_DEBUG_CTRL, in
NVGPU_DBG_GPU_IOCTL_SET_CTX_MMU_DEBUG_MODE

Bug 2515097

Change-Id: I1763b43e79fac3edb68a35980683d58bfa89519f
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2115785
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2019-08-28 16:54:26 -07:00
Nitin Kumbhar
a232eb8d20 gpu: nvgpu: fix PRE31-C violations in wpr/vpr dump
nvgpu_err() macro with a nvgpu_readl() call results in
a volatile access. This violates PRE31-C rule - "Using an
unsafe function-like macro with side effect in argument
nvgpu_readl()" due to side effect of a volatile access.

Fix this by moving nvgpu_readl() calls before nvgpu_err().

The messages log VPR and WPR address info. There are no
known attacks using this info. So it shall be safe to
reveal address info.

JIRA NVGPU-3908

Change-Id: I487a0c0858fe9a36cc81852cedd7757aab277c6a
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2178416
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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2019-08-21 04:50:08 -07:00
Scott Long
1af248cfe1 gpu: nvgpu: fb: fix misra 2.7 violations
Advisory Rule 2.7 states that there should be no unused
parameters in functions.

This patch removes the unused struct gk20a pointer from the
following functions:

 * gv11b_fb_get_replay_start_ack_all()
 * gv11b_fb_get_replay_cancel_global_val()

Jira NVGPU-3178

Change-Id: I9806bc2f7cdfb45028e10a361444108bf2fbc27d
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2175617
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-08-19 12:56:01 -07:00
Philip Elcan
42f5a2d806 gpu: nvgpu: fb: fix CERT-C violations
CERT-C Rule INT30-C Requires that unsigned integer operations do not
wrap. Fix these violations by using the safe ops.

JIRA NVGPU-3868

Change-Id: I51e8ee212777232b6d7c033078bea9b9c77ff898
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2166259
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-08-05 16:56:33 -07:00
Rajesh Devaraj
fa6ada7619 gpu: nvgpu: disable hw error injection support in safety-release
This patch disables HW based fake error injection support in safety-release
build. For this purpose, it makes use of the following flag:
CONFIG_NVGPU_INJECT_HWERR.

JIRA NVGPU-3861

Change-Id: I1fa8544e67adbc53a1f3b98b340d76cf4f5bf524
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2163289
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-07-30 04:09:31 -07:00
Scott Long
3c7cf8b75a gpu: nvgpu: fix MISRA 10.5 issue in timeout code
This change switches nvgpu_timeout_peek_expired() to return a bool
instead of an int to remove advisory rule MISRA 10.5 violations.

MISRA 10.5 states that the value of an expression should not be
cast to an inappropriate essential type.

JIRA NVGPU-3798

Change-Id: I5cf9badaf07493e11a639e47ae4cf221700134ff
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2155617
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-07-24 17:04:38 -07:00
Sagar Kamble
7cae3709e0 gpu: nvgpu: split fb fusa/non-fusa hal
Moved gv11b_fb_intr_inject_hubmmu_ecc_error from fb_intr_ecc_gv11b.c to
fusa version and deleted that file. Moved debugger related functions
from fb_gm20b.c to fusa version. Updated arch yaml to reflect the fusa
and non-fusa fb units.

JIRA NVGPU-3690

Change-Id: I929169e9aac62e8377e4ea7e8353caa970999299
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2156879
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-07-19 18:20:06 -07:00