Move the nvlink HAL code to unit specific directory as part
of nvgpu restructing.
This move is done after removing usage of other unit's hardware
headers from nvlink. Also confirmed that no other unit files are
including nvlink hardware headers.
JIRA NVGPU-966
Change-Id: I301e3f8de37c5792a3e1e799b97e5fdfc131f058
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1975259
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Update the fifo code to use the HALs exposed by "Top" unit to
read data from device_info table.
The information for GRAPHICS engine in device_info table is
now parsed using the get_device_info HAL from "Top" unit.
Copy engine(CE) has multiple entries in the device_info table
corresponding to each instance of the engine. Prior to Pascal, each
instance of an engine was denoted by different engine type.
For example in GM20B, there are engine types like COPY_ENGINE0,
COPY_ENGINE1 and so on. In Pascal and chips beyond, a new field
called "inst_id" is added and the engine_type is kept the same for
different instances of an engine. For example in GP10B, all copy
engine entries have same engine type i.e ENGINE_LCE, but different
inst_ids. So for Pascal and chips beyond, we use a different HAL to
get CE information from device_info table.
JIRA NVGPU-1053
Change-Id: Ib40a616d903a5dbef5730678c2ebc3454b8e900d
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1969400
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
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The device_info table is an array of registers which contain engine
specific data for engines like CE, graphics, nvdec, ioctrl etc.
These registers contain data like intr_enum, reset_enum, pri_base
and so on. The Top unit would include HAL to parse this table and
get data for a particular engine.
Some engines like CE have multiple entries in the device_info table
corresponding to each instance of the engine. Prior to Pascal, each
instance of an engine was denoted by different engine type.
For example in GM20B, there are engine types like COPY_ENGINE0,
COPY_ENGINE1 and so on. In Pascal and chips beyond, a new field
called "inst_id" is added and the engine_type is kept the same.
For example in GP10B, all copy engine entries have same engine type
i.e ENGINE_LCE, but different inst_ids. So for Pascal and chips
beyond, add HAL to get number of entries corresponding to an engine
type.The "get_device_info" HAL will parse a specific instance
of the engine using inst_id argument
JIRA NVGPU-1053
Change-Id: Ie3058b1c1bfdd87bfa47e5f037d049d9d50cfc0b
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1969399
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
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Follow-up change to rename g->ops.mm.bar1_map (and implementations)
to more specific g->ops.mm.bar1_map_userd.
Also use nvgpu_big_zalloc() to allocate userd slabs memory descriptors.
Bug 2422486
Bug 200474793
Change-Id: Iceff3bd1d34d56d3bb9496c179fff1b876b224ce
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1970891
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Any tsg specific functions that does high-level software-centric
operations below to the TSG unit and not the FIFO unit.
Move the below public functions as well as their dependent
static functions to common/fifo/tsg.c and also rename them to use the
prefix nvgpu_tsg_*
gk20a_fifo_set_ctx_mmu_error_tsg
gk20a_fifo_abort_tsg
gk20a_fifo_error_tsg
gk20a_fifo_check_tsg_ctxsw_timeout
Jira NVGPU-1237
Change-Id: I4e3da821a878d4b4a0a0b53fbb7f4c10f135f58d
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1934299
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Any channel specific functions having high-level software-centric
operations belong to the channel unit and not the FIFO unit.
Move the below public functions as well as their dependent
static functions to common/fifo/channel.c. Also, rename the functions
to use the prefix nvgpu_channel_*.
gk20a_fifo_set_ctx_mmu_error_ch
gk20a_fifo_error_ch
gk20a_fifo_check_ch_ctxsw_timeout
Jira NVGPU-1237
Change-Id: Id6b6d69bbed193befbfc4c30ecda1b600d846199
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1932358
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The function gk20a_fifo_sched_disable_rw accesses HW directly. Rename it
and add a HAL indirection so that it can be called from chip-independent
code.
Also fix some trivial MISRA violations in the function.
Jira NVGPU-1309
Change-Id: Icf320738d3d1d4baa40257a9da3ca2c6b7fefc0b
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1971274
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g->ops.gr.alloc_gr_ctx HAL right now allocates graphics context and
also initializes preemption mode for various platforms
Separate out a new HAL g->ops.gr.init_ctxsw_preemption_mode that
initializes preemption mode and call it from gk20a_alloc_obj_ctx()
after context is created
g->ops.gr.alloc_gr_ctx now only allocates the context as the name
suggests
Jira NVGPU-1527
Change-Id: I8a44672d5ab2ebfe315e6334115265e4ee4f24f0
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1972254
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g->ops.gr.enable_cde_in_fecs and g->ops.gr.update_boosted_ctx
are no longer required since we can directly call
g->ops.gr.ctxsw_prog.set_cde_enabled and
g->ops.gr.ctxsw_prog.set_pmu_options_boost_clock_frequencies
respectively
remove those functions and the ops
Jira NVGPU-1526
Change-Id: Idb0ad5f634e78aac44ec325ba2b7f59c612b29e8
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1972184
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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GSPLITE falcon base address was being set without invoking hal api.
This patch defines gpu_ops.gsp.falcon_base_addr hal api to get this
base address.
JIRA NVGPU-1587
Change-Id: Id187b34d022f90c09b8762cdab7769323b607cc0
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1969432
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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GPCCS falcon base address was being set without invoking hal api. Remove
FALCON_GPCCS_BASE. This patch defines gpu_ops.gr.gpccs_falcon_base_addr
hal api to get this base address.
JIRA NVGPU-1587
Change-Id: Icfa7a26d1bb2d67c81f05a43f6ce906f59706b3d
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1969431
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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FECS falcon base address was being set without invoking hal api. Remove
FALCON_FECS_BASE. This patch defines gpu_ops.gr.fecs_falcon_base_addr hal
api to get this base address.
JIRA NVGPU-1587
Change-Id: I9c8e60be4ee81a154020c982893725a12ebb72ef
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1969430
Reviewed-by: Automatic_Commit_Validation_User
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SEC2 falcon base address was being set without invoking hal api. Remove
FALCON_SEC_BASE. This patch defines gpu_ops.sec2.falcon_base_addr hal api
to get this base address.
Also, don't initialize the base for non-supported falcons.
JIRA NVGPU-1587
Change-Id: Iad19a9987416076cf9090d30a48ff83369cf73c2
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1969429
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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PMU falcon base address was being set without invoking hal api. Remove
FALCON_PWR_BASE. This patch defines gpu_ops.pmu.falcon_base_addr hal api
to get this base address.
JIRA NVGPU-1587
Change-Id: I5c3f27e89bdcc775025bc8d4fa9cf0af11ceb002
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1969428
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
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NVDEC falcon base address was being set without invoking hal api. Remove
FALCON_NVDEC_BASE. This patch defines gpu_ops.fb.falcon_base_addr hal api
to get this base address. Currently gp106 and tu104 have these
implemented. gv100 uses the gp106 hal interface.
Also, don't initialize the base for non-supported falcons.
JIRA NVGPU-1587
Change-Id: I0be759b8462ede9b85690a70431480afdee9602c
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1969427
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
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PMU counters #0 and #4 are used to count total cycles and busy cycles.
These counts are used by podgov to estimate GPU load.
PMU idle intr status register is used to monitor overflow. Overflow
rarely occurs because frequency governor reads and resets the counters
at a high cadence. When overflow occurs, 100% work load is reported to
frequency governor.
Bug 1963732
Change-Id: I046480ebde162e6eda24577932b96cfd91b77c69
Signed-off-by: Peng Liu <pengliu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1939547
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We had to force allocation of physically contiguous memory for
USERD in nvlink case, as a channel's USERD address is computed as
an offset from fifo->userd address, and nvlink bypasses SMMU.
With 4096 channels, it can become difficult to allocate 2MB of
physically contiguous sysmem for USERD on a busy system.
PBDMA does not require any sort of packing or contiguous USERD
allocation, as each channel has a direct pointer to that channel's
512B USERD region. When BAR1 is supported we only need the GPU VAs
to be contiguous, to setup the BAR1 inst block.
- Add slab allocator for USERD.
- Slabs are allocated in SYSMEM, using PAGE_SIZE for slab size.
- Contiguous channels share the same page (16 channels per slab).
- ch->userd_mem points to related nvgpu_mem descriptor
- ch->userd_offset is the offset from the beginning of the slab
- Pre-allocate GPU VAs for the whole BAR1
- Add g->ops.mm.bar1_map() method
- gk20a_mm_bar1_map() uses fixed mapping in BAR1 region
- vgpu_mm_bar1_map() passes the offset in TEGRA_VGPU_CMD_MAP_BAR1
- TEGRA_VGPU_CMD_MAP_BAR1 is called for each slab.
Bug 2422486
Bug 200474793
Change-Id: I202699fe55a454c1fc6d969e7b6196a46256d704
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1959032
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Add separate new unit gr/ctxsw_prog that provides interface to access
h/w header files hw_ctxsw_prog_*.h
Add below chip specific files that access above h/w unit and provide
interface through g->ops.gr.ctxsw_prog.*() HAL for rest of the units
common/gr/ctxsw_prog/ctxsw_prog_gm20b.c
common/gr/ctxsw_prog/ctxsw_prog_gp10b.c
common/gr/ctxsw_prog/ctxsw_prog_gv11b.c
Remove all the h/w header includes from rest of the units and code.
Remove direct calls to h/w headers ctxsw_prog_*() and use HALs
g->ops.gr.ctxsw_prog.*() instead
In gr_gk20a_find_priv_offset_in_ext_buffer(), h/w header
ctxsw_prog_extended_num_smpc_quadrants_v() is only defined on gk20a
And since we don't support gk20a remove corresponding code
Add missing h/w header ctxsw_prog_main_image_pm_mode_ctxsw_f() for
some chips
Add new h/w header ctxsw_prog_gpccs_header_stride_v()
Jira NVGPU-1526
Change-Id: I170f5c0da26ada833f94f5479ff299c0db56a732
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1966111
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Split out the code to check which engines on a particular runlist are
busy from gk20a_fifo_runlist_reset_engines() and make it a HAL op.
Resetting engines is common across chips but status is read from
registers.
Jira NVGPU-1309
Change-Id: I7a63a2942a9e210481822eaf85795fc17dad0dc5
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1961822
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Add a fifo HAL for querying the doorbell token of a specific channel and
call it instead of doing the calculation directly. For Volta the token
is just the channel id plus the possible base number.
Bug 200145225
Change-Id: Ifbb150191575fdc72e413a14c799cab7e52d8c14
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1849639
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Different SKUs may require different nvlink speed and hence the
nvlink speed value should come from VBIOS. The initpll number
corresponding to speed is present in VBIOS Low Power Nvlink table
header. Parse this data from VBIOS and set corresponding nvlink
speed and minion initpll DLCMD as default.
We can no longer update the GV100 VBIOS with necessary nvlink speed
value. Hence the hardcoding stays for GV100.
The nvlink speed should match across the endpoints. So in speed_config
fops, communicate the speed to nvlink core-driver for co-ordination
with Tegra endpoint.
Bug 2418403
Change-Id: Ib6f60951d4ca1c275968707d4cc6d738ba3a3f08
Signed-off-by: tkudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1938046
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MISRA Rule-15.6 requires that all if-else blocks and loop blocks
be enclosed in braces, including single statement blocks. Fix errors
due to single statement if-else and loop blocks without braces
by introducing the braces.
JIRA NVGPU-775
Change-Id: Ib70621d39735abae3fd2eb7ccf77f36125e2d7b7
Signed-off-by: Srirangan Madhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1928745
GVS: Gerrit_Virtual_Submit
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All the netlist parsing code is currently under GR unit, but netlist
ucode parsing does not really have any logical dependency to GR
Hence separate out a new unit common/netlist/ that parses the netlist
image and stores/exposes its content through netlist_vars structure
Structure nvgpu_netlist_vars is added to structure gk20a
Move netlist parsing code to common/netlist/netlist.c and chip
specific files to common/netlist/netlist_<chip>.c
Move simulation netlist parsing to common/netlist/netlist_sim.c
Rename g.ops.gr_ctx HAL to g.ops.netlist
Rename all the exported structures to be in the form of nvgpu_*
Rename all exported functions to be in the form of nvgpu_netlist_*()
Add netlist initialization to GPU boot path, and add deinitialization
to GPU remove path
Jira NVGPU-1317
Change-Id: I9af86e3b3230a89db5260cc8ed96ff5f72938c9a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936454
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In gk20a/gr_ctx_gk20a.c we right now directly read the GR register
gr_fecs_ctx_state_store_major_rev_id_r() which adds the dependency
to GR h/w header
Add a new HAL g.ops.gr.get_fecs_ctx_state_store_major_rev_id() to
read this register and use this instead
Also remove h/w header from gr_ctx_gk20a.c
Jira NVGPU-1317
Change-Id: Iab64fbfacff4d7ce4f3b61ca90b00ddc77e29551
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936453
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Reduce the size of memory allocations in the channel debug dump by
capturing only the necessary values from the instance block. This also
simplifies the allocation path slightly with the downside of having to
add a capture_channel_ram_dump HAL for reading the interesting parts
explicitly beforehand to the now smaller staging buffer.
Also rename struct ch_state to struct nvgpu_channel_dump_info.
Jira NVGPU-886
Change-Id: I5d7518d9d474b0b728b183383bc83d89ecf91b98
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1928207
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L2 interrupt is processed by first reading from MC which L2 triggered
the interrupt and then calling a function per L2 slice to get the
details. Move the outer loop to MC unit, and the inner loop and L2
accesses to LTC unit.
JIRA NVGPU-954
Change-Id: I69b7bb82e4574b0519cdcd73b94d7d3e3fa6ef9e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1851328
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Rename gk20a/dbg_gpu_gk20a.c to common/debugger.c and make it a
separate common unit
Also rename gk20a/dbg_gpu_gk20a.h to include/nvgpu/debugger.h
We had two different HALs for debugger - gops.debugger and
gops.dbg_session_ops
Combine them into one single HAL gops.debugger and remove
gops.dbg_session_ops
Rename all exported APIs from debugger.h to be in the form of
nvgpu_*()
Jira NVGPU-1013
Change-Id: I136dc7786e3b2065921eb03b99f16049212f3cd2
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1920075
Reviewed-by: Sachin Jadhav <sachinj@nvidia.com>
Tested-by: Sachin Jadhav <sachinj@nvidia.com>
MISRA rule 14.4 doesn't allow the usage of integer types as booleans
in the controlling expression of an if statement or an iteration
statement.
Fix violations where the integer variables err, ret, status are used
as booleans in the controlling expression of if and loop statements.
JIRA NVGPU-1019
Change-Id: I8c9ad786a741b78293d0ebc4e1c33d4d0fc8f9b4
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1921260
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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The PMM type-specific broadcast->unicast expansion calculation
was using incorrect values. This caused the invalid register
accesses to be generated.
This change HAL-ifies the values, so that the expansion will be
performed correctly.
Bug 200454109
Change-Id: I96c15de27b5e16e4db2e788fd98e6bf7d6e7d564
Signed-off-by: Matthew Braun <matthewb@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1919476
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Add new separate unit common/perf/cyclestats_snapshot.c and add
corresponding header file include/nvgpu/cyclestats_snapshot.h
This unit is h/w independent and simply calls gops.perf.* HALs
exposed by perf unit to do the h/w configurations
Also remove gv11b/css_gr_gv11b.* files as h/w specific sequence
implemented in them is already moved to perf unit
Rename all cyclestats_snapshot HALs in the form nvgpu_css_*()
Jira NVGPU-1103
Change-Id: I303f6becb313ac918e06c495a5fe299947a1f0b1
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1916652
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Add separate unit for perfbuf in common/perf/perfbuf.c which does not need to
include any h/w file. This unit will utilize HALs exported by
perf_*.c units for h/w accesses.
Add corresponding header file at include/nvgpu/perfbuf.h
Add new HAL gops.perfbuf with below operations :
gops.perfbuf.perfbuf_enable()
gops.perfbuf.perfbuf_disable()
Remove below debug session specific HALs
gops.dbg_session_ops.perfbuffer_enable()
gops.dbg_session_ops.perfbuffer_disable()
Delete file gv11b/dbg_gpu_gv11b.c since it is no longer needed now as it was
only including perfbuf sequence
Also remove perfbuf sequences from gk20a/dbg_gpu_gk20a.c
Jira NVGPU-1102
Change-Id: I57b87c9f0dcd85784f8002bc92728b6d78a68d98
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1819303
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Add separate unit for perf under common/perf/ to provide accesses to h/w
unit hw_perf_*_.c
Implement below HALs in gm20b and gv11b specific h/w files and set them to
appropriate chips
gops.perf.enable_membuf()
gops.perf.disable_membuf()
gops.perf.membuf_reset_streaming()
gops.perf.get_membuf_pending_bytes()
gops.perf.set_membuf_handled_bytes()
gops.perf.get_membuf_overflow_status()
Jira NVGPU-1102
Change-Id: I161990fdb7283f33c0fb2ab6a8051f4bfc3bb181
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1819302
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
All chips were currently using gm20b_gr_clear_sm_error_state
It was wrong for chips based on volta and later as the implementation didn't
consider non pes-aware vsms mapping
Add new HAL implementation for clear_sm_error_state for volta based and later
chips to fix this.
Bug 200448172
Change-Id: I65988c8cbb35d13089ac628e8333d9a3b58e0eb1
Signed-off-by: Anup Mahindre <amahindre@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1837188
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Nvgpu uses many ways to check if sync points are enabled. The four
ways used to be:
platform->has_syncpoints
g->has_syncpoints
nvgpu_is_enabled(g, NVPGU_HAS_SYNCPOINTS)
gk20a_platform_has_syncpoints()
This patch standardizes all usage to now be nvgpu_has_syncpoints()
which is based on gk20a_platform_has_syncpoints() - just renamed to
be general to nvgpu.
All usage of the other forms have now been consolidated. However,
under the hood nvgpu_has_syncpoints() does check the is_enabled
flag. This flag is now set where g->has_syncpoints used to be set
based on the platform data.
The basic dependency chain is this:
nvgpu_has_syncpoints -> NVGPU_HAS_SYNCPOINTS ->
platform->has_syncpoints
However, note: there are several places where syncpoints can be
disabled if some other driver initialization fails (for ex. host1x).
Also note that nvgpu_has_syncpoints() also considers a disable
variable set by debugfs.
Bug 2327574
Change-Id: Ia2375a80f5f2e27285e6175568dd13e6bb25fd33
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1803975
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
