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gpu: nvgpu: remove dead code for get gr runlist_id

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nvgpu_engine_get_gr_runlist_id gets the first instance of
active GR engine using nvgpu_engine_get_ids. Therefore the
engine_id is already known to be valid.
Remove call to nvgpu_engine_get_active_eng_info (which iterates
all engines), and fetch f->engine_info[engine_id] instead.
Also remove non-NULL test for engine_info, which could not
be true.

Jira NVGPU-4511

Change-Id: Ifcc0851e3d14d862e2ed7b21ea57f17a66eca9dd
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2263617
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@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>
This commit is contained in:
Thomas Fleury
2019-12-16 16:05:59 -05:00
committed by Alex Waterman
parent ca17622b7e
commit 2088dc5d85
1 changed files with 3 additions and 9 deletions
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12
drivers/gpu/nvgpu/common/fifo/engines.c
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@@ -661,6 +661,7 @@ u32 nvgpu_engine_get_fast_ce_runlist_id(struct gk20a *g)
u32 nvgpu_engine_get_gr_runlist_id(struct gk20a *g)
{
struct nvgpu_fifo *f = &g->fifo;
u32 gr_engine_cnt = 0;
u32 gr_engine_id = NVGPU_INVALID_ENG_ID;
struct nvgpu_engine_info *engine_info;
@@ -676,15 +677,8 @@ u32 nvgpu_engine_get_gr_runlist_id(struct gk20a *g)
goto end;
}
engine_info = nvgpu_engine_get_active_eng_info(g, gr_engine_id);
if (engine_info != NULL) {
gr_runlist_id = engine_info->runlist_id;
} else {
nvgpu_err(g,
"gr_engine_id: %d is not in active list/invalid",
gr_engine_id);
}
engine_info = &f->engine_info[gr_engine_id];
gr_runlist_id = engine_info->runlist_id;
end:
return gr_runlist_id;