gpu: nvgpu: gv11b: init mm ops for mmu_fault_pending

mmu fault reporting is moved from fifo* to fb* and gmmu* hw registers.

JIRA GPUT19X-7

Change-Id: If2040ab661229c2e734042f2eec1592030615fee
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: http://git-master/r/1315203
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/mm_gv11b.c b/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
index d49c3b73..fd77ed10 100644
--- a/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
@@ -42,6 +42,15 @@ static void gv11b_init_inst_block(struct mem_desc *inst_block,
                 g->ops.mm.set_big_page_size(g, inst_block, big_page_size);
 }
 
+static bool gv11b_mm_mmu_fault_pending(struct gk20a *g)
+{
+        if (gk20a_readl(g, fb_niso_intr_r()) &
+                (fb_niso_intr_mmu_nonreplayable_fault_notify_pending_f() |
+                fb_niso_intr_mmu_nonreplayable_fault_overflow_pending_f()))
+                return true;
+
+        return false;
+}
 
 void gv11b_init_mm(struct gpu_ops *gops)
 {
@@ -50,4 +59,5 @@ void gv11b_init_mm(struct gpu_ops *gops)
         gops->mm.is_bar1_supported = gv11b_mm_is_bar1_supported;
         gops->mm.init_inst_block = gv11b_init_inst_block;
         gops->mm.init_mm_setup_hw = gk20a_init_mm_setup_hw;
+        gops->mm.mmu_fault_pending = gv11b_mm_mmu_fault_pending;
 }