gpu: nvgpu: add hal to mask/unmask intr during teardown

ctxsw timeout error prevents recovery as it can get triggered
periodically. Disable ctxsw timeout interrupt to allow recovery.

Bug 2092051
Bug 2429295
Bug 2484211
Bug 1890287

Change-Id: I47470e13968d8b26cdaf519b62fd510bc7ea05d9
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2019645
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 68c13e2f0447118d7391807c9b9269749d09a4ec
in dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2024899
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
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/include/nvgpu/gk20a.h b/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
index aa435638..81a4e7b8 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
@@ -718,6 +718,8 @@ struct gpu_ops {
                 void (*teardown_ch_tsg)(struct gk20a *g, u32 act_eng_bitmask,
                         u32 id, unsigned int id_type, unsigned int rc_type,
                          struct mmu_fault_info *mmfault);
+                void (*teardown_mask_intr)(struct gk20a *g);
+                void (*teardown_unmask_intr)(struct gk20a *g);
                 bool (*handle_sched_error)(struct gk20a *g);
                 bool (*handle_ctxsw_timeout)(struct gk20a *g, u32 fifo_intr);
                 unsigned int (*handle_pbdma_intr_0)(struct gk20a *g,