gpu: nvgpu: Add MC APIs for reset masks

Add API for querying reset mask corresponding to a unit. The reset
masks need to be read from MC HW header, and we do not want all
units to access Mc HW headers themselves.

JIRA NVGPU-954

Change-Id: I49ebbd891569de634bfc71afcecc8cd2358805c0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1823384
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/mc/mc_gm20b.h b/drivers/gpu/nvgpu/common/mc/mc_gm20b.h
index 6700a48c..fcf02077 100644
--- a/drivers/gpu/nvgpu/common/mc/mc_gm20b.h
+++ b/drivers/gpu/nvgpu/common/mc/mc_gm20b.h
@@ -47,5 +47,8 @@ bool gm20b_mc_is_intr1_pending(struct gk20a *g,
                 enum nvgpu_unit unit, u32 mc_intr_1);
 void gm20b_mc_log_pending_intrs(struct gk20a *g);
 void gm20b_mc_handle_intr_nonstall(struct gk20a *g, u32 ops);
+u32 gm20b_mc_reset_mask(struct gk20a *g, enum nvgpu_unit unit);
+bool gm20b_mc_is_enabled(struct gk20a *g, enum nvgpu_unit unit);
+void gm20b_mc_fb_reset(struct gk20a *g);
 
 #endif /* NVGPU_MC_GM20B_H */