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gpu: nvgpu: add runlist_busy_engines HAL

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Split out the code to check which engines on a particular runlist are
busy from gk20a_fifo_runlist_reset_engines() and make it a HAL op.
Resetting engines is common across chips but status is read from
registers.

Jira NVGPU-1309

Change-Id: I7a63a2942a9e210481822eaf85795fc17dad0dc5
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1961822
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Konsta Holtta
2018-11-29 14:58:11 +02:00
committed by mobile promotions
parent c965ef8dc2
commit 94d4a42d10
9 changed files with 21 additions and 5 deletions
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drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
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@@ -434,6 +434,7 @@ u32 nvgpu_runlist_construct_locked(struct fifo_gk20a *f,
u32 max_entries);
void gk20a_fifo_runlist_hw_submit(struct gk20a *g, u32 runlist_id,
u32 count, u32 buffer_index);
u32 gk20a_fifo_runlist_busy_engines(struct gk20a *g, u32 runlist_id);
int gk20a_fifo_runlist_wait_pending(struct gk20a *g, u32 runlist_id);
int gk20a_init_fifo_setup_sw_common(struct gk20a *g);
int gk20a_init_fifo_setup_sw(struct gk20a *g);