6 files changed, 7 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 0a60d46a..65750a15 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -672,6 +672,7 @@ struct gpu_ops {
                 void (*runlist_hw_submit)(struct gk20a *g, u32 runlist_id,
                         u32 count, u32 buffer_index);
                 int (*runlist_wait_pending)(struct gk20a *g, u32 runlist_id);
+                void (*ring_channel_doorbell)(struct channel_gk20a *c);
         } fifo;
         struct pmu_v {
                 u32 (*get_pmu_cmdline_args_size)(struct nvgpu_pmu *pmu);
diff --git a/drivers/gpu/nvgpu/gv100/hal_gv100.c b/drivers/gpu/nvgpu/gv100/hal_gv100.c
index d1befa0e..d972d4a5 100644
--- a/drivers/gpu/nvgpu/gv100/hal_gv100.c
+++ b/drivers/gpu/nvgpu/gv100/hal_gv100.c
@@ -587,6 +587,7 @@ static const struct gpu_ops gv100_ops = {
                 .preempt_ch_tsg = gv11b_fifo_preempt_ch_tsg,
                 .runlist_hw_submit = gk20a_fifo_runlist_hw_submit,
                 .runlist_wait_pending = gk20a_fifo_runlist_wait_pending,
+                .ring_channel_doorbell = gv11b_ring_channel_doorbell,
         },
         .gr_ctx = {
                 .get_netlist_name = gr_gv100_get_netlist_name,
diff --git a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
index 51923636..9be29f45 100644
--- a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
@@ -209,7 +209,7 @@ int channel_gv11b_setup_ramfc(struct channel_gk20a *c,
 }
 
 
-static void gv11b_ring_channel_doorbell(struct channel_gk20a *c)
+void gv11b_ring_channel_doorbell(struct channel_gk20a *c)
 {
         struct fifo_gk20a *f = &c->g->fifo;
         u32 hw_chid = f->channel_base + c->chid;
@@ -249,7 +249,7 @@ void gv11b_userd_gp_put(struct gk20a *g, struct channel_gk20a *c)
         /* Commit everything to GPU. */
         nvgpu_mb();
 
-        gv11b_ring_channel_doorbell(c);
+        g->ops.fifo.ring_channel_doorbell(c);
 }
 
 void channel_gv11b_unbind(struct channel_gk20a *ch)
diff --git a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
index 380db592..9157c300 100644
--- a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
+++ b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
@@ -123,4 +123,5 @@ u32 gv11b_fifo_get_preempt_timeout(struct gk20a *g);
 void gv11b_fifo_init_ramfc_eng_method_buffer(struct gk20a *g,
                         struct channel_gk20a *ch, struct nvgpu_mem *mem);
 void gv11b_userd_writeback_config(struct gk20a *g);
+void gv11b_ring_channel_doorbell(struct channel_gk20a *c);
 #endif
diff --git a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
index ca530aba..47f832a6 100644
--- a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
@@ -560,6 +560,7 @@ static const struct gpu_ops gv11b_ops = {
                 .handle_ctxsw_timeout = gv11b_fifo_handle_ctxsw_timeout,
                 .runlist_hw_submit = gk20a_fifo_runlist_hw_submit,
                 .runlist_wait_pending = gk20a_fifo_runlist_wait_pending,
+                .ring_channel_doorbell = gv11b_ring_channel_doorbell,
         },
         .gr_ctx = {
                 .get_netlist_name = gr_gv11b_get_netlist_name,
diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
index 4dc3a150..8128054e 100644
--- a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
+++ b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
@@ -421,6 +421,7 @@ static const struct gpu_ops vgpu_gv11b_ops = {
                 .handle_ctxsw_timeout = gv11b_fifo_handle_ctxsw_timeout,
                 .runlist_hw_submit = gk20a_fifo_runlist_hw_submit,
                 .runlist_wait_pending = gk20a_fifo_runlist_wait_pending,
+                .ring_channel_doorbell = gv11b_ring_channel_doorbell,
         },
         .gr_ctx = {
                 .get_netlist_name = gr_gv11b_get_netlist_name,