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7 Commits

Author SHA1 Message Date
mkumbar
162d7ec32d gpu: nvgpu: falcon debug unit update 
- Don't print error if debug display buffer is empty.

Bug 3623500
Bug 3418561

Change-Id: I066999fb0f7d41d491c3b01df2b976fcfa833ebf
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2704967
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-05-11 04:16:18 -07:00
Jinesh Parakh
bbaf01590c gpu: nvgpu: Fix Logically dead code Coverity bugs 
Fixed following Coverity Defects:

ioctl_clk_arb.c : Logically dead code
gr_gp10b.c : Logically dead code
vfe_var.c : Logically dead code
grmgr_ga10b.c : Logically dead code
vm_remap.c : Logically dead code
falcon_debug.c : Logically dead code

CID 1994001
CID 3008644
CID 9870823
CID 10062537
CID 10127915
CID 10128008

Bug 3460991
Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: I711d2ccb480328d8f0a4ba49e877612669f3d41f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2686362
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-03-28 07:36:44 -07:00
mpoojary
e7c082aa66 gpu: nvgpu: Enable falcon debug flag for safety debug 
Falcon safety debug flag was previously disabled for safety debug
profile. This patch enables the flag support for safety debug.

copy_from_dmem function is required to copy the debug info from
dmem debug buffer whenever there's an error generated.
Hence, moved copy_from_dmem function to fusa file from non-fusa
and added ifdef condition to only enable when non-fusa or falcon debug
flag is set.

Also, some fixes for type conversion error in falcon_debug.c during
compilation.

Bug 3482988

Change-Id: Ic0ea32b3227b84d4ba0835e6e1aeb40f58ec7327
Signed-off-by: mpoojary <mpoojary@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2673900
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-03-07 06:25:35 -08:00
Divya
c347b6e4ff gpu: nvgpu: print riscv pmu pc trace 
- To print pmu RISCV PC trace, create a new flag
  which will be set to true after PMU is initialised.
- This flag is then used to used to print RISCV trace
  buffer when pmu halt occurrs.

JIRA NVGPU-7261

Change-Id: Ib3ad2f40efd1458d22b21e99ab151c11cfeb43be
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2624073
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2021-11-12 02:55:56 -08:00
Mahantesh Kumbar
00c36c9b48 gpu: nvgpu: t234: Falcon debug update 
-Add new log bit for falcon debug under gpu_dbg_*
-BIT(40) assigned to gpu_dbg_falcon
-Replaced nvgpu_info with nvgpu_falcon_dbg() in Falcon unit

Bug 200780546

Change-Id: Icd88bb940014d501142952b399ce76f4d8d5ff92
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2603212
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@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>
GVS: Gerrit_Virtual_Submit
 2021-10-01 00:51:49 -07:00
Vedashree Vidwans
e13ab1f9ea gpu: nvgpu: pmu: remove hw access from remove_pmu_support 
GPU HW registers are locked before remove_pmu_support.
Remove functions accessing HW registers.

Bug 3357477

Change-Id: I34a1923bfdb3afacd462f2646e2821569573a81a
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2577627
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2021-08-17 09:45:42 -07:00
mkumbar
87984ea344 gpu: nvgpu: support nvriscv debug feature 
Enable nvriscv debug buffer feature in NVGPU.
Debug buffer is a feature to print the debug log from ucode onto console
in real time.
Debug buffer feature uses the DMEM, queue and SWGEN1 interrupt to share
ucode debug data with NVGPU.
Ucode writes debug message to DMEM and updates offset in queue to trigger
interrupt to NVGPU.
NVGPU copies the debug message from DMEM to local buffer to process and
print onto console.

Debug buffer feature is added under falcon unit and required engine
can utilize the feature by providing required param through public
functions.

Currently GA10B NVRISCV NS/LS PMU ucode has support for this feature
and enabled support on NVGPU side by adding required changes, with this
feature enabled, it is now possible to see prints in real time.

JIRA NVGPU-6959

Change-Id: I9d46020470285b490b6bc876204f62698055b1ec
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2548951
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2021-07-17 12:45:00 -07:00