gpu: nvgpu: Add MC HAL is_intr1_pending

Add MC HAL is_intr1_pending. At the same time introduce nvgpu_unit
that is passed as parameter to is_intr1_pending. The API is passed
contents of intr1 register and an engine number, and returns true
if there's an interrupt pending for the engine.

JIRA NVGPU-26

Change-Id: I8e6363dd78572f8e41dbab2b258036ed168b6f75
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1497870
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
index 2b4a183e..6c0d159a 100644
--- a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
@@ -31,4 +31,6 @@ 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);
 u32 gk20a_mc_boot_0(struct gk20a *g, u32 *arch, u32 *impl, u32 *rev);
+bool mc_gk20a_is_intr1_pending(struct gk20a *g,
+                enum nvgpu_unit unit, u32 mc_intr_1);
 #endif