gpu: nvgpu: add usermode_base HAL

Add a HAL function pointer to fifo to for reading the usermode_cfg0
register and implement it for gv11b.

Bug 200145225
Bug 200541476

Change-Id: I5f77b15d3b502d9370b1f14129314eaf51a9d7d1
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1811839
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit fddb2969240652e1a56089b249684b55430d45c5
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2170004
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@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 bc6b0f1c..abbf77a6 100644
--- a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
+++ b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.h
@@ -133,4 +133,5 @@ 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);
+u64 gv11b_fifo_usermode_base(struct gk20a *g);
 #endif