Currently PMU support enable check is done with multiple
methods which added complexity to know status of PMU
support.
Changed to replace multiple methods with support_pmu
flag to know the PMU support, support_pmu will be updated
at init stage based on platform/chip specific settings
to know the PMU support status.
Cleaned up support_pmu flag check with platform specific
PMU members in multiple places & moved check to
public functions
JIRA NVGPU-173
Change-Id: Ief2c64250d1f78e3b054203be56499e4d1d9b046
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2024024
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Currently a fifo_runlist_info_gk20a structure is allocated and
initialized for each possible runlist. But only a few runlists
are actually used.
Skip allocation and initialization of inactive runlists.
Active runlists info is stored in the active_runlist_info array.
If a runlist is active, then runlist_info[runlist_id] points to
one entry in active_runlist_info. Otherwise, runlist_info[runlist_id]
is NULL.
Operations that used to walk through all runlists are modified to
walk though active runlists only.
Bug 2470115
Change-Id: Icd10281dc904bdee581ebc9cfeb662018ecca121
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2025385
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Currently a fifo_runlist_info_gk20a structure is allocated and
initialized for each possible runlist. But only a few runlists
are actually used.
Use an array of pointers to runlists in fifo_gk20a. The array
keeps existing indexing by runlist_id. In this patch a context
is still allocated for each possible runlist, but follow up
patch will allow to skip context allocation for inactive
runlists.
Bug 2470115
Change-Id: I1615043cea84db35a270ade64695d51f85c1193a
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2025203
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The file semaphore.c is now split into 4 units namely
semaphore, semaphore_hw, semaphore_pool and semaphore_sea.
Each of the above units now have separate compilation units under
common/semaphore/. The public APIs corresponding to each unit is
present in include/nvgpu/semaphore.h. The dependency graph of the
below units is as follows where '->' indicates left depends on right.
semaphore -> semaphore_hw -> semaphore_pool -> semaphore_sea
Some of the other major changes made in this patch are as follows
i) Renamed some of the functions.
ii) Some functions are changed from private to public.
iii) Public header for semaphore contains only the declaration of the
corresponding structs as an opaque structure.
iv) Constructed a private header to contain internal functions common
to all the units and struct definitions corresponding to each unit.
v) Added new functions to provide access to internal members of the
units.
Jira NVGPU-2076
Change-Id: I6f111647ba9a9a9f8ef9c658f316cd5d6276c703
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2022782
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nvgpu driver uses the h/w headers for reading pbdma_status registers
directly in the common code path. Replace the use of the H/W headers by
using the APIs of the pbdma_status unit. Use the HAL ops functions
read_pbdma_status_info() to do a read of the pbdma status register.
Jira NVGPU-1311
Change-Id: I4b492e675ce2561bb1e132b518023f9933d8c510
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2019977
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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The following changes are done in this patch.
1) gk20a_fifo_get_engine_info() is moved to common/fifo/engine.c
and is renamed to gk20a_fifo_get_active_engine_info() to reflect
accurately the purpose of the function.
2) move the definition of enum fifo_engine to <nvgpu/engines.h> and
add the prefix NVGPU_
3) move the following functions related to engines in fifo_gk20a.c to
common/fifo/engines.c and replace their signature by adding the prefix
nvgpu_engine and removing gk20a_fifo.
gk20a_fifo_get_active_engine_info
gk20a_fifo_engine_enum_from_type
gk20a_fifo_get_engine_ids
gk20a_fifo_is_valid_engine_id
gk20a_fifo_get_gr_engine_id
gk20a_fifo_act_eng_interrupt_mask
gk20a_fifo_engine_interrupt_mask
gk20a_fifo_get_all_ce_engine_reset_mask
Jira NVGPU-1315
Change-Id: I63d9dcd905a0bebcc9a4c65776cf6ec7a0837acf
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2011298
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Drop the "runlist_" part in the runlist section of the HAL ops. For
example:
- old: g->ops.runlist.runlist_wait_pending
- new: g->ops.runlist.wait_pending
At the same time, drop the "fifo_" part from the function names. For
example:
- old: gk20a_fifo_runlist_wait_pending
- new: gk20a_runlist_wait_pending
Also rename eng_runlist_base_size to count_max. The size of the
eng_runlist_base register array depicts the maximum possible number of
runlists in the chip for which count_max is more descriptive.
Jira NVGPU-1309
Change-Id: Ie9e94b9f65cd10d3e682d19954f240adb6e311be
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2017403
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Refactor read accesses to the ccsr_channel register for channel state to
be done via a channel HAL op for all chips. A new op called read_state
is added for this; information needed by other units is collected in a
new struct nvgpu_channel_hw_state.
Jira NVGPU-1307
Change-Id: Iff9385c08e17ac086d97f5771a54b56b2727e3c4
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2017266
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Extract out the HAL ops' implementation that now belongs to the channel
unit. This unit is responsible for channel register accesses and the
like (ccsr_*).
Rename channel_gm20b_bind to gm20b_fifo_channel_bind to match with the
rest of the naming. Same with channel_gv11b_unbind.
Jira NVGPU-1307
Change-Id: I58b9d96dbdaf36bdb163a5729544a41faec828ab
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2017262
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Split out ops that belong to channel unit to a new section called
channel. Channel is a broad concept; this includes just the code that
accesses channel registers (ccsr_*). This is effectively just renaming;
the implementation still stays put.
The word "channel" is also dropped from certain HAL entries to avoid
redundancy (e.g., channel.disable_channel -> channel.disable).
fifo.get_num_fifos gets an entirely new name: channel.count.
Jira NVGPU-1307
Change-Id: I9a08103e461bf3ddb743aa37ababee3e0c73c861
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2017261
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A comment for gk20a_fifo_update_runlist() says:
/* add/remove a channel from runlist
special cases below: runlist->active_channels will NOT be changed.
(ch == NULL && !add) means remove all active channels from runlist.
(ch == NULL && add) means restore all active channels on runlist. */
Those special cases call for a new function, so add that. Delete the
update_runlist HAL op and add update_for_channel (like update_runlist
without the special cases) and reload (no channel to add or remove, just
the special cases).
While at it, rename gk20a_fifo_update_runlist_ids to
nvgpu_runlist_reload_ids. It's common across chips and does what the
reload HAL does but for a list of several IDs.
Jira NVGPU-1922
Change-Id: I9a99ab03a636a1214c021faad359d2b304a9472f
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2013058
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When an engine faults due to unbound instance block, all
active TSGs are currently aborted. This includes the TSG
used by vidmem-clear task to clear vidmem buffers. From
this point nvgpu_vidmem_clear cannot submit jobs anymore.
Define TSG in MM CE context as non-abortable, and skip it
when aborting active TSGs.
Bug 2486146
Change-Id: I221259aec468e8ee3a24e80fab8d8fb7ee8607b0
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2008954
(cherry picked from commit 6f2444dc5e128aa2b870796bd1e9dee7853f90af)
Reviewed-on: https://git-master.nvidia.com/r/2008942
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- Remove handling for channels that are no more bound to tsg
as channel could be referenceable but no more part of a tsg
- Use tsg_gk20a_from_ch to get pointer to tsg for a given channel
- Clear unhandled gr interrupts
Bug 2429295
JIRA NVGPU-1580
Change-Id: I9da43a2bc9a0282c793b9f301eaf8e8604f91d70
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1972492
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A naked channel ID does not carry good information about the channel
validity and is a very low level construct for an API of this level.
Refactor the runlist updating fifo APIs to take a channel pointer.
While at it, delete the channel and wait_for_finish parameters from
gk20a_fifo_update_runlist_ids() - the only caller is suspend and resume
and the parameters were always null for channel and true for wait.
Jira NVGPU-1309
Jira NVGPU-1737
Change-Id: Ied350bc8e482d8e311cc708ab0c7afdf315c61cc
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1997744
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sema cmdbuf specific functions are only for the sync functionality
of nvgpu and do not belong to fifo.
construct files sema_cmdbuf_gk20a.h and sema_cmdbuf_gk20a.c
under common/sync to contain the syncpt specific cmdbuf functions
for arch gk20a.
Jira NVGPU-1308
Change-Id: Iebeebe7a3de627f2de08d4ced74bb1aabf1eb53c
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1975922
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syncpt cmdbuf specific functions are only for the sync functionality of
nvgpu and donot belong to fifo.
construct files syncpt_cmdbuf_gk20a.h and syncpt_cmdbuf_gk20a.c under
common/sync to contain the syncpt specific cmdbuf functions for arch
gk20a.
The word 'fifo' is also removed from the name of these functions.
Jira NVGPU-1308
Change-Id: I1a1fd1d31f7decd1398f8e2ff625f95cf1f55033
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1975920
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Two new fifo hals are added.
read_pbdma_data and reset_pbdma_header.
In turing the instruction that caused the interrupt
will be stored in NV_PPBDMA_PB_DATA0 register or
NV_PPBDMA_HDR_SHADOW register, which is decided based on
NV_PPBDMA_PB_COUNT value and PB_HEADER type
JIRA NVGPU-1240
Change-Id: I54a92e317a6054335439d2d61bced28aff3eecb7
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1990699
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MISRA rule 10.1 prohibits using signed values with bitwise operators.
Make fifo invalid ID macros compliant with this MISRA rule.
Also use these macros in source code instead of hardcoded numbers to
make the code more readable.
JIRA NVGPU-1006
Change-Id: I2f336d1decbc53b08f93587f2e00ea2cce47f72b
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1983700
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Split out native-specific engine info collection out of
nvgpu_init_runlist() so that it only contains common code. Call this
common function from vgpu code that ends up being identical.
Jira NVGPU-1309
Change-Id: I9e83669c84eb6b145fcadb4fa6e06413b34e1c03
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1978060
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Extract non-chip-specific code that manages the runlists (init, update,
reschedule etc.) to a new file in the common directory. Move the
declarations to a new matching runlist.h header.
Jira NVGPU-1309
Change-Id: I3c7e0032899516487037f47ddc9a7e7aa4b0b33a
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1978058
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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
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Dump eng id and fifo_engine_status if eng fails to idle.
This change is helpful for debugging issues where engine
is not getting idle or intermittently getting idle due to
bad settings of registers in hals set by init_therm_setup_hw
and elcg_init_idle_filters
Bug 2115080
Change-Id: I4c6d144d3fc575db3f30596de6e536fd07753789
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1722194
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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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gk20a_fifo_recover_tsg does high-level software calls and
invokes gk20a_fifo_recover. This function belongs to the tsg unit and
is moved to tsg.c file. Also, the function is renamed to
nvgpu_tsg_recover.
Jira NVGPU-1237
Change-Id: Id1911fb182817b0cfc47b3219065cba6c4ca507a
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1970034
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gk20a_fifo_recover_ch does high-level calls and invokes
gk20a_fifo_recover. This function belongs to the channel unit and is
moved to the file channel.c. Also, the function is renamed to
nvgpu_channel_recover.
Jira NVGPU-1237
Change-Id: I31890f85fdb2c42648cc063dd9c4e7e35930dcef
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1970033
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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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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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preempt_channel needs to use the channel to pass it to other
public functions, get access to a tsg etc. This qualifies it to take a
pointer to a channel as an input parameter instead of a chid.
Increment the channel ref counter using the function
gk20a_channel_from_id in functions where we get the chid from the h/w
registers directly. Once the prempt_channel function call is done,
use a gk20a_channel_put on the referenced channel.
Jira NVGPU-1461
Change-Id: I6c87c8104cfcb418d468c8c590087fd4aeabf4bd
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1963200
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gk20a_fifo_recover_channel takes a reference to the channel via its
chid before passing the channel pointer to other public functions such
as gk20a_channel_abort and gk20a_fifo_error_ch. This qualifies the
gk20a_fifo_recover_channel to take a pointer to a channel instead of
only chid.
Jira NVGPU-1461
Change-Id: I338a12a05e5ccee785a202fea7848db5201a3a39
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1963199
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