gpu: nvgpu: add HAL to update doorbell

Add new HAL gops.fifo.ring_channel_doorbell() to update channel doorbell
register and to trigger a runlist scan

Set existing API gv11b_ring_channel_doorbell() to this HAL for all volta chips

Jira NVGPUT-18

Change-Id: I9d5e84cf5aa7b763363d84befe169efda00a0932
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1702114
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 0 deletions

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