gpu: nvgpu: hardcode gp10b fbpa values

 gp10b does not have an fbpa unit, although the
 hw header files claim it does. Hardcode all fbpa
 values to 0.

 Bug 200249125

Change-Id: I6ed63b3231d7af8e31ccf5047d56bdb85f05a9d9
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1256422
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 5 insertions, 7 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/hal_gp10b.c b/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
index b92bdfe2..a656f10d 100644
--- a/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
@@ -172,17 +172,15 @@ static int gp10b_get_litter_value(struct gk20a *g, int value)
         case GPU_LIT_LTS_STRIDE:
                 ret = proj_lts_stride_v();
                 break;
+        /* GP10B does not have a FBPA unit, despite what's listed in the
+         * hw headers or read back through NV_PTOP_SCAL_NUM_FBPAS,
+         * so hardcode all values to 0.
+         */
         case GPU_LIT_NUM_FBPAS:
-                ret = proj_scal_litter_num_fbpas_v();
-                break;
         case GPU_LIT_FBPA_STRIDE:
-                ret = proj_fbpa_stride_v();
-                break;
         case GPU_LIT_FBPA_BASE:
-                ret = proj_fbpa_base_v();
-                break;
         case GPU_LIT_FBPA_SHARED_BASE:
-                ret = proj_fbpa_shared_base_v();
+                ret = 0;
                 break;
         default:
                 gk20a_err(dev_from_gk20a(g), "Missing definition %d", value);