gpu: nvgpu: Split non-stall interrupt handling

Split handling of stalling interrupt to Linux specific chip
agnostic and OS independent chip specific parts.

Linux specific chip independent part contains handler for ISR
and passing the control to a bottom half worker. It uses the new MC
HALs intr_nonstall (query interrupt status), intr_nonstall_pause
(pause interrupts), intr_nonstall_resume (resume interrupts), and
is_intr1_pending (query per-engine interrupt bit).

MC HAL isr_nonstall is removed, because its work is now handled in
chip independent code.

JIRA NVGPU-26

Change-Id: I3e4c9905ef6eef7f1cc9f71b0278518ae663f87e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1497048
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
index 6c0d159a..7ecd27bf 100644
--- a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
@@ -23,10 +23,9 @@ void mc_gk20a_isr_stall(struct gk20a *g);
 u32 mc_gk20a_intr_stall(struct gk20a *g);
 void mc_gk20a_intr_stall_pause(struct gk20a *g);
 void mc_gk20a_intr_stall_resume(struct gk20a *g);
-irqreturn_t mc_gk20a_isr_nonstall(struct gk20a *g);
-irqreturn_t mc_gk20a_intr_thread_stall(struct gk20a *g);
-void mc_gk20a_intr_thread_nonstall(struct gk20a *g, u32 intr);
-void mc_gk20a_nonstall_cb(struct work_struct *work);
+u32 mc_gk20a_intr_nonstall(struct gk20a *g);
+void mc_gk20a_intr_nonstall_pause(struct gk20a *g);
+void mc_gk20a_intr_nonstall_resume(struct gk20a *g);
 void gk20a_mc_enable(struct gk20a *g, u32 units);
 void gk20a_mc_disable(struct gk20a *g, u32 units);
 void gk20a_mc_reset(struct gk20a *g, u32 units);