gpu: nvgpu: Make trigger mmu fault GPU specific

Add abstraction for triggering fake MMU fault, and a gk20a
implementation. Also adds recovery to FE hardware warning
exception to make testing easier.

Bug 1495967

Change-Id: I6703cff37900a4c4592023423f9c0b31a8928db2
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
index 051acda2..078ae8f0 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
@@ -158,6 +158,7 @@ int gk20a_fifo_suspend(struct gk20a *g);
 bool gk20a_fifo_mmu_fault_pending(struct gk20a *g);
 void gk20a_fifo_recover(struct gk20a *g, u32 engine_ids, bool verbose);
 int gk20a_init_fifo_reset_enable_hw(struct gk20a *g);
+void gk20a_init_fifo(struct gpu_ops *gops);
 
 void fifo_gk20a_finish_mmu_fault_handling(struct gk20a *g,
                 unsigned long fault_id);