gpu: nvgpu: gv11b: replay invalid pte faults only

Try to fix invalid pte type repalayable faults only.
All other replayable faults will be cancelled so that
next mmu fault for same fault address will be triggered
as non-replayable fault and ch/tsg teardown will take place.

Bug 1958308

Change-Id: I63b90ce7c639ee183f87db3e771f253fd04c3567
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1566576
GVS: Gerrit_Virtual_Submit
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gmmu_gv11b.h b/drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gmmu_gv11b.h
index c39cc2d8..0a442b1f 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gmmu_gv11b.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/hw/gv11b/hw_gmmu_gv11b.h
@@ -1272,6 +1272,10 @@ static inline u32 gmmu_fault_type_unbound_inst_block_v(void)
 {
         return 0x00000004U;
 }
+static inline u32 gmmu_fault_type_pte_v(void)
+{
+        return 0x00000002U;
+}
 static inline u32 gmmu_fault_mmu_eng_id_bar2_v(void)
 {
         return 0x00000005U;