gpu: nvgpu: add HAL to invalidate replay mmu fault

Add new HAL gops.fb.mmu_invalidate_replay() to invalidate replay mmu fault
Use existing API gv11b_fb_mmu_invalidate_replay() to set to this HAL on all
Volta chips

Bug 2228914
Jira NVGPU-838
Jira NVGPUT-73

Change-Id: I394901857d41499f3ea44023393fe271fb664260
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1767970
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/fb_gv11b.c b/drivers/gpu/nvgpu/gv11b/fb_gv11b.c
index 54f0d2d8..d50885f9 100644
--- a/drivers/gpu/nvgpu/gv11b/fb_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/fb_gv11b.c
@@ -47,9 +47,6 @@
 static int gv11b_fb_fix_page_fault(struct gk20a *g,
                  struct mmu_fault_info *mmfault);
 
-static int gv11b_fb_mmu_invalidate_replay(struct gk20a *g,
-                         u32 invalidate_replay_val);
-
 static void gv11b_init_nvlink_soc_credits(struct gk20a *g)
 {
         if (nvgpu_is_bpmp_running(g) && (!nvgpu_platform_is_simulation(g))) {
@@ -989,12 +986,12 @@ static int gv11b_fb_replay_or_cancel_faults(struct gk20a *g,
                  * cancel faults so that next time it faults as
                  * replayable faults and channel recovery can be done
                  */
-                err = gv11b_fb_mmu_invalidate_replay(g,
+                err = g->ops.fb.mmu_invalidate_replay(g,
                         fb_mmu_invalidate_replay_cancel_global_f());
         } else if (invalidate_replay_val &
                          fb_mmu_invalidate_replay_start_ack_all_f()) {
                 /* pte valid is fixed. replay faulting request */
-                err = gv11b_fb_mmu_invalidate_replay(g,
+                err = g->ops.fb.mmu_invalidate_replay(g,
                         fb_mmu_invalidate_replay_start_ack_all_f());
         }
 
@@ -1441,7 +1438,7 @@ bool gv11b_fb_mmu_fault_pending(struct gk20a *g)
         return false;
 }
 
-static int gv11b_fb_mmu_invalidate_replay(struct gk20a *g,
+int gv11b_fb_mmu_invalidate_replay(struct gk20a *g,
                          u32 invalidate_replay_val)
 {
         int err = -ETIMEDOUT;