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gpu: nvgpu: gsp: add cmdq/msgq init check

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- Instead of waiting for mailbox update waiting for cmdq/msgq
  initialization request would be the better way to check the
  communication between NVGPU and GSP before sending any cmd.

NVGPU-7342

Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I6d20764516cee14ad84da7cc9a06c9370675786f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2650148
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
rmylavarapu
2022-02-01 15:29:16 +00:00
committed by mobile promotions
parent e5fd0453cf
commit 6c1a77dfa9
1 changed files with 28 additions and 0 deletions
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28
drivers/gpu/nvgpu/common/gsp_scheduler/gsp_scheduler.c
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@@ -91,6 +91,28 @@ void nvgpu_gsp_sched_sw_deinit(struct gk20a *g)
}
}
static int gsp_sched_wait_for_init(struct gk20a *g,
struct nvgpu_gsp_sched *gsp_sched, signed int timeoutms)
{
nvgpu_log_fn(g, " ");
do {
if (gsp_sched->gsp_ready) {
break;
}
if (timeoutms <= 0) {
nvgpu_err(g, "gsp wait for init timedout");
return -1;
}
nvgpu_msleep(10);
timeoutms -= 10;
} while (true);
return 0;
}
int nvgpu_gsp_sched_sw_init(struct gk20a *g)
{
int err = 0;
@@ -177,6 +199,12 @@ int nvgpu_gsp_sched_bootstrap_ns(struct gk20a *g)
goto de_init;
}
status = gsp_sched_wait_for_init(g, gsp_sched, GSP_WAIT_TIME_MS);
if (status != 0) {
nvgpu_err(g, "gsp wait for basic init failed ");
goto de_init;
}
return status;
de_init:
nvgpu_gsp_sched_sw_deinit(g);