Files
linux-nvgpu/drivers/gpu
Nitin Kumbhar d4f7c90020 gpu: nvgpu: increase tu104 flush retries
nvrm_gpu_tests uses dGPU detach/attach APIs to test
GCOFF sequence. This results in a timeout on tu104 while
detaching dGPU.

...snip...
[start: NvRmGpuTest_Lib_AttachDevice]
Detaching dGPU at index 2001...
[   89.933604] -- nvrm_gpu_tests: Ended subtest
 NvRmGpuTest_Device_ChooseKind_Color_Incompressible
[   91.473919] nvgpu: 0001:01:00.0 __nvgpu_timeout_expired_msg_retry:118  [ERR]
  No more retries @ gk20a_mm_fb_flush+0xd4/0x328 [nvgpu]
[   91.474280] nvgpu: 0001:01:00.0            gm20b_fb_dump_wpr_info:240  [ERR]
  WPR: 08000080 08000081 01c00002 01c01e03 1ffffe04 00000005
...snip...

Increase retries from 2000 to 2500 which seems to be sufficient.

Bug 200491474

Change-Id: I7bab4e39c677361d3642e034f5bdb9ba75d4c450
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2019432
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-03-19 08:53:27 -07:00
..
2017-10-29 11:00:55 -07:00