gpu: nvgpu: create timed wait functions for stall and nonstall interrupts completion

In order to process stalling interrupts during TSG unbind, we need a API
to wait for the stalling interrupts to complete within certain duration.

Prepare these APIs for stalling and non-stalling interrupts.

Bug 200711183
Bug 200726848

Change-Id: I634738249ade64224326b356d6244ad4299f1baf
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2521970
(cherry picked from commit I0b7a64c0f3761bbd0ca0843aea28a591ed23739f)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2523937
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/gk20a.h b/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
index aa95969d..3b193dbe 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2020, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2011-2021, NVIDIA CORPORATION.  All rights reserved.
  *
  * GK20A Graphics
  *
@@ -1793,6 +1793,8 @@ bool gk20a_check_poweron(struct gk20a *g);
 int gk20a_prepare_poweroff(struct gk20a *g);
 int gk20a_finalize_poweron(struct gk20a *g);
 
+int nvgpu_wait_for_stall_interrupts(struct gk20a *g, u32 timeout);
+int nvgpu_wait_for_nonstall_interrupts(struct gk20a *g, u32 timeout);
 void nvgpu_wait_for_deferred_interrupts(struct gk20a *g);
 
 struct gk20a * __must_check gk20a_get(struct gk20a *g);