nvidia-tegra-modules.git/include/linux, branch gpu-paging NVIDIA's kernel modules to support tegra chips (used in Jetson boards) gpu-paging: Functions to support initial working version 2022-05-25T01:16:30+00:00 Joshua Bakita jbakita@cs.unc.edu 2022-05-25T01:16:30+00:00 2c076a01e5bd0949032ef81cd0e2d37bdecafba5 - Buffer deallocation (+IOCTL) - Buffer reallocation - Private dmabuf user list and accessor 
- Buffer deallocation (+IOCTL)
- Buffer reallocation
- Private dmabuf user list and accessor
tegra: mc: Add resume function for mc 2021-12-10T15:54:20+00:00 Ketan Patil ketanp@nvidia.com 2021-11-09T14:14:14+00:00 34d8735fb9bdab04a7cfaee566f60341b659a911 mc_err is not reported after device resume as MC_INTMASK register is in reset state. Restore this register in resume. Bug 3418979 Change-Id: I04884b81164a4b95e1f11e6e78e35499b6f5e977 Signed-off-by: Ketan Patil <ketanp@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2622984 (cherry picked from commit c9638f54e8b3dc48158cce548c24bae6dbf09adc) Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2638812 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com> Reviewed-by: Puneet Saxena <puneets@nvidia.com> Reviewed-by: Pritesh Raithatha <praithatha@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
mc_err is not reported after device resume as MC_INTMASK register is in
reset state. Restore this register in resume.

Bug 3418979

Change-Id: I04884b81164a4b95e1f11e6e78e35499b6f5e977
Signed-off-by: Ketan Patil <ketanp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2622984
(cherry picked from commit c9638f54e8b3dc48158cce548c24bae6dbf09adc)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2638812
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-by: Pritesh Raithatha <praithatha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
video: tegra: host: LS fw gets priority in get fw 2021-08-02T20:24:39+00:00 Ankit Patel anpatel@nvidia.com 2020-07-14T17:51:56+00:00 3e54f17ed2cdf0495c727077436dde94d0314c2f Whenever NVDEC LS firmware pack for the soc, It will give priority to LS FW rather than NS FW. If in case of absence of LS FW It will load NS FW. Bug 200415909 Bug 200704321 Signed-off-by: Ankit Patel <anpatel@nvidia.com> Change-Id: I15f53f33d4735c25b972e1e8a394d01047f86bde Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2375549 Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2511966 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Whenever NVDEC LS firmware pack for the soc, It will give priority to LS
FW rather than NS FW. If in case of absence of LS FW It will load NS FW.

Bug 200415909
Bug 200704321

Signed-off-by: Ankit Patel <anpatel@nvidia.com>
Change-Id: I15f53f33d4735c25b972e1e8a394d01047f86bde
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2375549
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2511966
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
pwm: fan: get regulator name from DT 2021-07-05T17:55:18+00:00 Aaron Tian atian@nvidia.com 2021-06-24T12:50:44+00:00 1a370dd0df9670b9b0f1e347c559609d2a1b18b5 To support platforms that used common power supply for PWM fan, configure regulator name by DT property: regulator_name. Default regulator name is "vdd-fan" when the DT property does not exist. Bug 200743936 Change-Id: I6951e340e5444141a72de5187e3887de49244caf Signed-off-by: Aaron Tian <atian@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2549408 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Sandipan Patra <spatra@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> GVS: Gerrit_Virtual_Submit 
To support platforms that used common power supply for
PWM fan, configure regulator name by DT property:
regulator_name. Default regulator name is "vdd-fan" when
the DT property does not exist.

Bug 200743936

Change-Id: I6951e340e5444141a72de5187e3887de49244caf
Signed-off-by: Aaron Tian <atian@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2549408
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Sandipan Patra <spatra@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>
GVS: Gerrit_Virtual_Submit
tegra: safety: Phase notification command 2021-07-01T22:54:13+00:00 Mantravadi Karthik mkarthik@nvidia.com 2021-06-10T08:44:50+00:00 4f6bc7b5a7fe5ceb1a7200e5752746a63eb0bb31 Why? SCE HB working starts with Init done phase notification from CCPLEX. How? The init done phase notification is scheduled at the end of safety-ivc drver probe as all the necessary items for l1ss are initialized by then. Bug 200700400 Change-Id: I18cb66b2cbe6c3184c9c23c9b7ee6f6c53f62c06 Signed-off-by: Mantravadi Karthik <mkarthik@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2542621 Reviewed-by: Preetham Chandru <pchandru@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> GVS: Gerrit_Virtual_Submit 
Why?
SCE HB working starts with Init done phase
notification from CCPLEX.

How?
The init done phase notification is scheduled at
the end of safety-ivc drver probe as all the
necessary items for l1ss are initialized by then.

Bug 200700400

Change-Id: I18cb66b2cbe6c3184c9c23c9b7ee6f6c53f62c06
Signed-off-by: Mantravadi Karthik <mkarthik@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2542621
Reviewed-by: Preetham Chandru <pchandru@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>
GVS: Gerrit_Virtual_Submit
tegra: safety: FuSa State notification command 2021-06-07T20:09:28+00:00 Preetham Chandru Ramchandra pchandru@nvidia.com 2021-06-01T11:02:55+00:00 8e22b81c5c85985ba3238f67919c201ebc8f456a Add support for CMDRESP_FUSA_STATE_NOTIFICATION command. This command will be sent from L2SS to L1SS when FuSa (Functional Safety) Manager's state changes. Bug 200700404 Change-Id: Ice986c17adf809f1eaf2dd7131aa70a5e67f9d1a Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2537820 Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Add support for CMDRESP_FUSA_STATE_NOTIFICATION command.
This command will be sent from L2SS to L1SS when FuSa (Functional
Safety) Manager's state changes.

Bug 200700404

Change-Id: Ice986c17adf809f1eaf2dd7131aa70a5e67f9d1a
Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2537820
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
tegra: safety-ivc: Add support for HB CMD 2021-06-02T20:39:07+00:00 Mantravadi Karthik mkarthik@nvidia.com 2021-05-20T17:19:26+00:00 d9ca6d86e9a96e966a111ff1edd421c095b14ffa Why? L2SS expects a heartbeat ping every 40ms. CCPLEX is expected to write the Boot status in the IVC channel for the first time and the consective pings will be just to send Alive check. How? Create a new callback API for the HB command which fills the bit fields for the HB data and sends it over the cmd-resp IVC channel. * Added mutex lock support for l1ss_cmd_resp_send_frame for syncronizing the ivc writes. * Waiting for empty interrupts hogs the system. Time critical features such as HB fail while waiting for empty interrupts. Hence, removing the HSP SM empty isr support. Bug 200700400 Change-Id: I7f124c9f7336df9d387536aa3f2dda80d9234db8 Signed-off-by: Mantravadi Karthik <mkarthik@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2519655 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Why?
L2SS expects a heartbeat ping every 40ms. CCPLEX is
expected to write the Boot status in the IVC channel
for the first time and the consective pings will be
just to send Alive check.

How?
Create a new callback API for the HB command which
fills the bit fields for the HB data and sends it over
the cmd-resp IVC channel.

* Added mutex lock support for l1ss_cmd_resp_send_frame
  for syncronizing the ivc writes.
* Waiting for empty interrupts hogs the system. Time
  critical features such as HB fail while waiting for
  empty interrupts. Hence, removing the HSP SM empty isr
  support.

Bug 200700400

Change-Id: I7f124c9f7336df9d387536aa3f2dda80d9234db8
Signed-off-by: Mantravadi Karthik <mkarthik@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2519655
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
pwm: fan: fix deadlock due to incorrect locking 2021-05-25T14:24:23+00:00 Sumit Gupta sumitg@nvidia.com 2021-03-24T14:11:56+00:00 2c40a6bc48f6701fe44cb7edadca26f6a40892da Bug 3227296 Bug 200695596 Bug 200728417 Signed-off-by: Sumit Gupta <sumitg@nvidia.com> Change-Id: Ib64915556d285bd798e95da81a261eb2c16b4dab Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2503884 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: Bibek Basu <bbasu@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Bug 3227296
Bug 200695596
Bug 200728417

Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Change-Id: Ib64915556d285bd798e95da81a261eb2c16b4dab
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2503884
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Bibek Basu <bbasu@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
tegra: safety: Add client registration 2021-05-24T19:54:44+00:00 Preetham Chandru Ramchandra pchandru@nvidia.com 2021-05-18T14:41:05+00:00 6fcc5021a8f8eaef1a2a8e2c342728d1a6ff35d0 Add client registration and deregistration calls. The clients registers with a callback function which gets called when ivc ready is received from L2SS. Bug 200700404 Change-Id: I358f4ad7ada547dfb81bb60c990b2f84235a9651 Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2531217 Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Add client registration and deregistration calls.
The clients registers with a callback function which gets called when
ivc ready is received from L2SS.

Bug 200700404

Change-Id: I358f4ad7ada547dfb81bb60c990b2f84235a9651
Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2531217
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
tegra: safety: Move header files to include/linux 2021-05-19T08:08:56+00:00 Preetham Chandru Ramchandra pchandru@nvidia.com 2021-05-17T12:27:54+00:00 f95d8afa523faee5374d44e3b318eae82562fa66 Move tegra_nv_guard_group_id.h and tegra_nv_guard_service_id.h header files to include/linux path. Also move l1ss_submit_rq() to tegra_l1ss_kernel_interface.h Bug 200700404 Change-Id: Ib609c3f3cbaebb495729eba6d607c340c9a2f185 Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2530519 Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Move tegra_nv_guard_group_id.h and tegra_nv_guard_service_id.h header
files to include/linux path.
Also move l1ss_submit_rq() to tegra_l1ss_kernel_interface.h

Bug 200700404

Change-Id: Ib609c3f3cbaebb495729eba6d607c340c9a2f185
Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2530519
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>