| Commit message (Collapse) | Author | Age |
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This patch adds nvgpu API in linux and qnx to query vpr resize.
The new API nvgpu_is_vpr_resize_enabled() is used in
nvgpu_submit_channel_gpfifo().
Previously, if non-deterministic channel has timeout disabled and
GPU cannot railgate on some platform, then channel doesn't power ref
count and results in video freeze. This requires non-determinstic
channel job tracking to be enabled if vpr resize is supported or if GPU
can railgate.
Bug 200532122
Change-Id: Icfbff6253762b195b2f5955749343974b1a7a269
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2167082
Reviewed-on: https://git-master.nvidia.com/r/2180581
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Mark usermode submit supported in gv11b and add the characteristics flag
to expose the capability to userspace.
Bug 200145225
Bug 200541476
Change-Id: Id9dcb0c71c020bd509fbdbffb94a756c69377f20
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795822
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 37659f5c8e0571655178c50a6296b68e3ebdc4cb
in rel-32)
Reviewed-on: https://git-master.nvidia.com/r/2170604
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Import userd and gpfifo buffers from userspace if provided via
NVGPU_IOCTL_CHANNEL_ALLOC_GPFIFO_EX. Also supply the work submit token
(i.e., the hw channel id) to userspace.
To keep the buffers alive, store their dmabuf and attachment/sgt handles
in nvgpu_channel_linux. Our nvgpu_mem doesn't provide such data for
buffers that are mainly in kernel use. The buffers are freed via a new
API in the os_channel interface.
Fix a bug in gk20a_channel_free_usermode_buffers: also unmap the
usermode gpfifo buffer.
Bug 200145225
Bug 200541476
Change-Id: I8416af7085c91b044ac8ccd9faa38e2a6d0c3946
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795821
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 99b1c6dcdf328efcfe47338ad1b71a114ab7f272
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2170603
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add an internal flag NVGPU_MEM_FLAG_FOREIGN_SGT to specify that the sgt
member of an nvgpu_mem must not be freed when the nvgpu_mem is freed.
Bug 200145225
Bug 200541476
Change-Id: I044fb91a5f9d148f38fb0cbf63d0cdfd64a070ce
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1819801
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 9de6d20abb8fef0cd11c22676846d809ee3f9afc
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2170602
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add a mmap callback on the control device node for mapping the usermode
register region to userspace. Each such mapping is removed when the GPU
railgates, and brought back again on unrailgate.
The mapping offset must be 0 and its size must be 4 KB.
Bug 200145225
Bug 200541476
Change-Id: Ie8d3758da745b958376292691d7d1d02a24e7815
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795819
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit f33935f426c46b70b7aee33a1e52d5fdae5ca376
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2170035
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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An upcoming patch will need to enumerate opened ctrl nodes; track them
in a list, protected by a mutex.
Bug 200145225
Bug 200541476
Change-Id: I50dc15056832a3bb53fbdd7bd2bffcdaecc7b21c
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1811840
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit d53495400e15fdef80be2f04a9f2312b81d2bd6d
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2170005
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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Usermode submit needs to access the usermode region of registers from
userspace. Store the start address of register resource in struct
nvgpu_os_linux to be used in remap to userspace.
Bug 200145225
Bug 200541476
Change-Id: I3796b6bf67942af0cc16c86accb82a013032bfc8
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1811838
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 38c11db264f776fa495a3ba74caadf4262062b78
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2169921
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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For a long time now, the ALLOC_GPFIFO_EX channel IOCTL has done much
more than just gpfifo allocation, and its signature does not match
support that's needed soon. Add a new one called SETUP_BIND to hopefully
cover our future needs and deprecate ALLOC_GPFIFO_EX.
Change nvgpu internals to match this new naming as well.
Bug 200145225
Bug 200541476
Change-Id: I766f9283a064e140656f6004b2b766db70bd6cad
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1835186
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry-picked from e0c8a16c8d474eac6723fea3980833873ab921a6
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2169882
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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- In GV11B, read fuse_status_opt_tpc_gpc register
to read which TPCs are floorswept.
- The driver will also read sysfs node: tpc_pg_mask
- Based on these two values "can_tpc_powergate" will
be set to true or false and mask will be used to write to
fuse_ctrl_opt_tpc_gpc register to powergate the TPC.
- can_tpc_powergate = true indicates that the mask value
sent from userspace is valid and can be used to power gate
the desired TPC
- can_tpc_powergate = false indicates that the mask value
sent from userspace is not valid and cannot be used to
power gate the desired TPC.
Bug 200532639
Change-Id: Ib0806e4c96305a13b3574e8063ad8e16770aa7cd
Signed-off-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2159219
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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gk20a_mm_l2_flush flushes the L2 cache when "struct gk20a->power_on"
is true. But it doesn't acquire power lock when doing that, which
creates a race that runtime PM might suspend the GPU in the middle
of L2 flush. The FB flush looks having the same issue with L2 flushing.
This patch fixes that by calling pm_runtime_get_if_in_use at the
beginning of the ioctl. This API from PM does a compare and add to
the usage count. If the device was not in use, it simply returns
without incrementing the usage count as its unnecessary to wake up
the GPU(using e.g. a call to gk20a_busy()) as the caches are
flushed when the device would be resumed anyways.
Bug 2643951
Change-Id: I2417f7ca3223c722dcb4d9057d32a7e065b9e574
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2151532
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mark Zhang <markz@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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In some cases, we would get deadlock issue due to there are two locks
acquisition on common clk driver's lock and nvgpu driver's locks. At
the bug, inconsistent lock ordering problem will come with one thread
gets "nvgpu lock -> clk lock" and the other thread gets "clk lock ->
nvgpu lock".
Slove the latter path with one-time initializing clk_parent entry
and use cached data afterward.
Bug 2555115
Change-Id: I31c5c2728f406307e7cfd4e555f4db0c163234d8
Signed-off-by: Jeremy Ho <jeremyh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2146727
Reviewed-by: Automatic_Commit_Validation_User
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Pass correct attr parameter to sysfs_attr_init().
This fixes the compilation error on enabling debug
lock alloc.
error: ‘struct device_attribute’ has no member named ‘key’
Bug 200464909
Bug 2604007
Change-Id: Ia0d2672b1c8fe9eb4807b4809892dcdc0cff2669
Signed-off-by: sumitg <sumitg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2034954
(cherry picked from commit daa4d7e42b3dcb0dc590b1b3c3356259ee0423d6)
Reviewed-on: https://git-master.nvidia.com/r/2132154
Reviewed-by: Automatic_Commit_Validation_User
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Reviewed-by: Phoenix Jung <pjung@nvidia.com>
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Added support for TPC_PG_POWERGATE during probe for nvgpu via DT.
A new DT binding GV11B_FUSE_OPT_TPC_DISABLE is supported by nvgpu
driver that checks for valid masks and updates the global tpc_pg_mask
flag.
Bug 200518434
Change-Id: Ia65ae518b48e36d28de5e9375bc994232f6a9438
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2117783
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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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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This reverts commit e9a6d179a42e ("gpu: nvgpu: cache gpu clk rate")
- Real clock rate doesn't always equal clock rate requested by caller
- call of clk_set_rate() and update of cached_rate are not atomic
- Real root cause for Bug 2051688 is in bpmp and gboost design
Bug 2538692
Change-Id: I9248e0c69e2271ed2d0070587db59afa6f8160f2
Signed-off-by: Peng Liu <pengliu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2109708
(cherry picked from commit cc70f89bb4efd106b81c2da5ecd6cbeb69c990d8)
Reviewed-on: https://git-master.nvidia.com/r/2113647
Reviewed-by: Automatic_Commit_Validation_User
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Reviewed-by: Aaron Tian <atian@nvidia.com>
Tested-by: Aaron Tian <atian@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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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 c90585856567a547173a8b207365b3a4a3ccdd57 in
dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2108406
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changes in path because we move the nvhost linux user-interface
from include/linux/ to include/uapi/linux
depends on I2e116dc8f6c33f53c03fb56b923931b6e600b534
Bug 2062672
Change-Id: If2e165852432d5795cf6680cfeb5d4b661fdee74
Signed-off-by: Anuj Gangwar <anujg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1953731
(cherry picked from commit 4e7333967da9cc5a5e4c01288cbc3dd6a25b9fe1)
Reviewed-on: https://git-master.nvidia.com/r/2110254
Reviewed-by: Automatic_Commit_Validation_User
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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
(cherry picked from commit 34df0035194e0203f68f679acdd84e5533a48149)
Reviewed-on: https://git-master.nvidia.com/r/1979495
Reviewed-by: Aaron Tian <atian@nvidia.com>
Tested-by: Aaron Tian <atian@nvidia.com>
Reviewed-by: Rajkumar Kasirajan <rkasirajan@nvidia.com>
Tested-by: Rajkumar Kasirajan <rkasirajan@nvidia.com>
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Use tsg_gk20a_from_ch to get tsg pointer for tsgid of a channel. For
invalid tsgid, tsg pointer will be NULL
Bug 2092051
Bug 2429295
Bug 2484211
Change-Id: I82cd6a2dc5fab4acb147202af667ca97a2842a73
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2006722
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 13f37f9c70b9ae2e0d179830cded93a0a6f86494
in dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2025507
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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Add compatibility version to page table and dma mapping structure.
Bug 200438879
Change-Id: I04b4601f71ae2b3e75843f39f5445ecca2b16677
Signed-off-by: Preetham Chandru R <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2029086
(cherry picked from commit 8bbbd09caa06f7c0f17a48e129d4fd07ce6fa9be)
Reviewed-on: https://git-master.nvidia.com/r/2071427
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Bug 200487652
Change-Id: Ib52cc6a85a19ea0396c8ab584c5ce9970f93085a
Signed-off-by: Dmitry Pervushin <dpervushin@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2020386
(cherry picked from commit 617dff478c3687a08ed5b77f4ac2073b290c57ea)
Reviewed-on: https://git-master.nvidia.com/r/2035720
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l->bar is a managed resource, it will be released automatically
Therefore, there is no need to explicitly unmap it
Bug 200487652
Change-Id: Ic543baa770d9cbcf7e7319281c4a27fab4b4b4df
Signed-off-by: dmitry pervushin <dpervushin@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2012324
GVS: Gerrit_Virtual_Submit
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Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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On Desktop verion, map is called nvidia_p2p_dma_map_pages and umap is
called nvidia_p2p_dma_umap_pages. So renamed these two apis to match
the desktop version.
Bug 200438879
Change-Id: I66301c48b832dfed8c3950678f473c2f82b8761a
Signed-off-by: Preetham Chandru R <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2014940
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Currently has_timedout variable is protected by wmb at places
where it is being set and there is no correspoding rmb whenever
has_timedout variable is read. This is prone to errors for
concurrent execution. This change is supposed to fix this issue.
Rename has_timedout variable of channel struct to ch_timedout.
Also to avoid rmb every time ch_timedout is read,
ch_timedout_spinlock is added to protect ch_timedout
variable for taking care of concurrent execution.
Bug 2404865
Bug 2092051
Change-Id: I0bee9f50af0a48720aa8b54cbc3af97ef9f6df00
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1930935
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 1f54ea09e3445d9ca3cf7a69b4967849cc9defc8
in dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2016975
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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gv11b_fifo_preempt_tsg needs to access the runlist_id of the tsg as
well as pass the tsg pointer to other public functions such as
gk20a_fifo_disable_tsg_sched. This qualifies the preempt_tsg to use a
pointer to a struct tsg_gk20a instead of just using the tsgid.
Jira NVGPU-1461
Change-Id: I01fbd2370b5746c2a597a0351e0301b0f7d25175
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1959068
(cherry picked from commit 1e78d47f15ff050edbb10a88550012178d353288
in rel-32)
Reviewed-on: https://git-master.nvidia.com/r/2013725
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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The chid member of the channel_gk20a struct was being used as a unsigned
value. By being declared as an int, it was causing MISRA 10.3 violations
for implicit assignment of different types.
JIRA NVGPU-647
Change-Id: I7477fad6f0c837cf7ede1dba803158b1dda717af
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1918470
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 1c7bb9b538200a11aa3ef31d72038d8ba820dfca in
dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2008514
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Different units were declaring tsgid as int or u32. This makes everyone
use u32. This change resolves MISRA 10.3 violations for implicit
assingment to different types.
JIRA NVGPU-647
Change-Id: I78660e737acb0dad76dd538e5dd37f4527cf5acd
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1918469
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit f5cac144a04a3ef83762ecb2e3f405196beffd68 in
dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2008513
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Replace nvgpu locks to vanilla Linux locks. For the custom kernel
driver when they include nv-p2p.h, nvgpu/linux/lock.h will not be
available because nvgpu/linux/lock.h is not copied to
/usr/src/kernel_header_file.
Bug 200438879
Change-Id: I55b52c6f791970650388b7d51c4d30b5fe75bbb8
Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1997950
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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(cherry picked from commit eb887094e4f4446e6eed9c17e88f4a36ac5ae972)
Reviewed-on: https://git-master.nvidia.com/r/2000831
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Move nv-p2p.h to include/linux so that it is
available to external kernel modules to be used.
Bug 200438879
Change-Id: I40707fe9f798b3ccf077dbdc942f8d6fc9019458
Signed-off-by: Preetham Chandru R <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1986646
(cherry picked from commit cfe4a2e5e87560519aedb92e2d12e39e09473a54)
Reviewed-on: https://git-master.nvidia.com/r/2000830
GVS: Gerrit_Virtual_Submit
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In nvgpu_kill_task_pg_init(), call nvgpu_thread_join()
if the init thread is no longer running in order to
reclaim thread resources.
Bug 2452799
JIRA ESRM-437
Change-Id: Id9c67f689027f00039ac2df226ee9c28ad89dd1d
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1967983
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Reviewed-on: https://git-master.nvidia.com/r/1970058
Reviewed-by: Shmuel Ungerfeld <sungerfeld@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Shmuel Ungerfeld <sungerfeld@nvidia.com>
Reviewed-by: Rahul Jain (SW-TEGRA) <rahuljain@nvidia.com>
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This change adds RDMA supports for tegra iGPU.
1. Cuda Process allocates the memory and passes
the VA and size to the custom kernel driver.
2. The custom kernel driver maps the user allocated
buf and does the DMA to/from it.
3. Only supports iGPU + cudaHostAlloc sysmem
4. Works only for a given process.
5. Address should be sysmem page aligned and size should
be multiple of sysmem page size.
6. The custom kernel driver must register a free_callback when get_page()
function is called.
Bug 200438879
Signed-off-by: Preetham Chandru R <pchandru@nvidia.com>
Change-Id: I43ec45734eb46d30341d0701550206c16e051106
Reviewed-on: https://git-master.nvidia.com/r/1953780
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Add a reboot handler to make sure that nvgpu does not try to busy
the GPU if the system is going down. If the system is going down
then any number of subsystems nvgpu depends on may already have
been deinitialized.
Bug 200333709
Bug 200454316
Change-Id: I2ceaf7ca4fb88643310874b5b26937ef44c6e3dd
Signed-off-by: Kary Jin <karyj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1927018
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vinayak Pane <vpane@nvidia.com>
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When turning off CONFIG_DEBUG_FS, there are build errors:
drivers/gpu/nvgpu/os/linux/os_ops_gp106.o: In function `nvgpu_fecs_trace_init_debugfs':
os_ops_gp106.c:(.text+0x8): multiple definition of `nvgpu_fecs_trace_init_debugfs'
drivers/gpu/nvgpu/os/linux/os_ops_gp10b.o:os_ops_gp10b.c:(.text+0x0): first defined here
drivers/gpu/nvgpu/os/linux/os_ops_gv100.o: In function `gp106_therm_init_debugfs':
os_ops_gv100.c:(.text+0x0): multiple definition of `gp106_therm_init_debugfs'
drivers/gpu/nvgpu/os/linux/os_ops_gp106.o:os_ops_gp106.c:(.text+0x0): first defined here
drivers/gpu/nvgpu/os/linux/os_ops_tu104.o: In function `gv100_clk_init_debugfs':
os_ops_tu104.c:(.text+0x0): multiple definition of `gv100_clk_init_debugfs'
drivers/gpu/nvgpu/os/linux/os_ops_gv100.o:os_ops_gv100.c:(.text+0x10): first defined here
This is because those functions aren't marked as static.
So this patch just simply fixes the bug.
Bug 2284925
Change-Id: I1da39345c653dfb50c509adb0c822b4657646c56
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929355
(cherry picked from commit 0fd9c84f870731705d6fdbf83d8e94519ff9d3bd)
Reviewed-on: https://git-master.nvidia.com/r/1933889
GVS: Gerrit_Virtual_Submit
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Add support for the measure_freq clock op for igpu:
- add nvgpu_clk_measure_freq(), which in turn calls
the get_rate() clock op.
- Initialize the measure_freq clock op to nvgpu_clk_measure_freq()
for native linux and vgpu.
JIRA ESRM-398
Change-Id: I8a3b2ee79e29e3491a16f55281494f05cd841b07
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1850585
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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If nvgpu_ioctl_tsg_open() fails, this file has no priv data yet on
release(). In that case there is nothing to free so just return.
Jira NVGPU-967
Change-Id: I02dd1bb12a27745a3b28aaa4a943d79d82b14d2c
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1847592
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1. Implement the following vgpu functions to support clk-arb:
- vgpu_clk_get_range() to return min and max freqs from
supported frequencies
- implement vgpu_clk_get_round_rate() which sets rounded
rate to input rate. Rounding is handled in RM Server
- modify vgpu_clk_get_freqs() to retrieve freq table in IVM
memory instead of copying the value in array as part of cmd
message.
2. Add support for clk-arb related HALs for vgpu.
3. support_clk_freq_controller is assigned true for vgpu
provided guest VM has the privilege to set clock frequency.
Bug 200422845
Bug 2363882
Jira EVLR-3254
Change-Id: I91fc392db381c5db1d52b19d45ec0481fdc27554
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1812379
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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
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Disable ELCG as it is not POR for GV100
Disable in Platform data for SKU250
Bug 200446261
Change-Id: I70bddf450c7e41e91498c613f315e0c82ac5e8e2
Signed-off-by: absalam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1828022
Reviewed-by: Automatic_Commit_Validation_User
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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Creates sysfs nodes to read clk freq on GV100
Following sysfs nodes are created: gpcclk,xbarclk,sysclk
Uses default clock source and counters for measurement
Bug 200446261
Change-Id: I6903ba77fbe34e3f486f4b663e70eab4e7c5d662
Signed-off-by: absalam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1828030
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- TPC powergating should be done before
calling gk20a_enable_gr_hw.
gk20a_enable_gr_hw() issues a GR engine reset.
Without this fix, enabling 1 TPC from each PES
causes ctxsw timeout error while running GFX Benchmark.
- Adds valid tpc-pg mask for 1/2/3/4 active TPC configs.
TPC Config - TPC-MASK
4 TPC configuration - 0x0
3 TPC configuration - 0x1/0x2/0x4/0x8
2 TPC configuration - 0x5/0x9/0x6/0xa
- We should not write to gr_fe_tpc_pesmask_r()
as part of TPC-PG sequence. This register is for
debug purpose only.
Bug 200442360
Change-Id: I6fbe1ad8fbc836ace8cbaf00ec3d21a12c73e0bd
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1809772
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1) Update header path of gk20a.h files present in os/
to <nvgpu/gk20a.h>
2) os_fence_android_sema.c indirectly was dependent on gk20a.h via
semaphore.h. So, added #include <nvgpu/gk20a.h> in
os_fence_android_sema.c and replaced the header with forward
declaration of struct gk20a in semaphore.h
Jira NVGPU-597
Change-Id: I96e23befeb80713f3a399071eb5498f6f580211d
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1842868
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Include linux/slab.h in vgpu_linux.c to fix the error of missing
kzalloc and kfree when compiling with kernel 4.14.
Bug 200428570
Change-Id: I522cfdd47f0f7e27ca5fcb435e916a08ea20309c
Signed-off-by: Kyle Guo <kyleg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1820886
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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tsg_gk20a.c doesn't depend on any specific hardware, so move it to the
common directory.
Rename the posix tsg file to posix-tsg.c.
Jira NVGPU-967
Change-Id: I6e8908a8f6cf43132db8dffe3a99e424e4f764b1
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1821509
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Add an interface that the unit test modules can use to
interact with nvgpu IO accessors. This interface is
incredibly simple but not the easiest to use. More simple
wrappers will be added later.
JIRA NVGPU-1040
Change-Id: I325f09a1739a58ea6bcb1c74834037d6977ce0e8
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1741952
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In gk20a_ctrl_ioctl_gpu_characteristics() we right now just calculate
GPC mask in s/w and return to user space
But this could give incorrect result as any GPC could be floorswept
in h/w
Add gops.fuse.fuse_status_opt_gpc() to read GPC floorsweep status
from fuse
Add gops.gr.get_gpc_mask() to get actual GPC mask from h/w
Set these HALs only for dGPUs right now. Fuse register to read GPC
mask is not yet supported in simulation and hence simulation boot fails
These HALs will be set for iGPU once simulation issue is resolved
Use gops.gr.get_gpc_mask() if it is defined in
gk20a_ctrl_ioctl_gpu_characteristics() to send the actual GPC mask
to user space
Jira NVGPUT-132
Change-Id: I3b552de07883328fcfa41d4334ec0d777e04bdd3
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1822811
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@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
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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This reverts commit c5810a670d367ae1dc405fcc3108e11265df34bb.
Bug 2400508
Jira VQRM-4806
Bug 200447406
Bug 2331747
Change-Id: Ie2a2c21f9285ff0349c7033fae24766a7117b462
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1837223
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gk20a/hal.c depends on HAL init functions in all chips. But all chips
also depend on gk20a. That creates a circular dependency. In order to
solve the above, move gpu_init_hal and gk20a_detect_chip to
common/init/hal_init.c. These methods are declared in
include/nvgpu/hal_init.h. Also, the above methods are renamed to
nvgpu_init_hal and nvgpu_detect_chip respectively.
Jira NVGPU-613
Change-Id: Ib0df90287d4491571e4751475739b75fabd1041b
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1827576
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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added hal layer for SM exception mask handling for
taking care of vitualization case.
Jira VQRM-4806
Bug 200447406
Bug 2331747
Change-Id: Ia44778a2e41c1a508c48026b8dee285966f1a544
Signed-off-by: aalex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1816284
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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The POSIX implementation of fls() wasn't compliant with the Linux which
returns fls(0)=0 fls(1)=1, etc.
Bug found as result of JIRA NVGPU-1042.
Change-Id: Id0279e36332ffe236ed792c013c32f2da841f557
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1828361
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-misra-checker <svc-misra-checker@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>
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