gpu: nvgpu: export gv11b fifo APIs

Export below APIs from fifo_gv11b.h
gv11b_fifo_init_ramfc_eng_method_buffer()
gv11b_userd_writeback_config()

Also move #define PBDMA_SUBDEVICE_ID to header file

Jira NVGPUT-19

Change-Id: I5e3abf02acfe014e39550f236d60d8991a75b4ef
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1699315
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
index 2bd82d5f..380db592 100644
--- a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
+++ b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
@@ -25,6 +25,8 @@
 #ifndef FIFO_GV11B_H
 #define FIFO_GV11B_H
 
+#define PBDMA_SUBDEVICE_ID  1
+
 #define FIFO_INVAL_PBDMA_ID     ((u32)~0)
 #define FIFO_INVAL_VEID         ((u32)~0)
 
@@ -117,4 +119,8 @@ int gv11b_init_fifo_setup_hw(struct gk20a *g);
 
 void gv11b_fifo_tsg_verify_status_faulted(struct channel_gk20a *ch);
 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);
 #endif