gpu: nvgpu: add gr hal for fecs_ctxsw_mailbox size

fecs_ctxsw_mailbox_size varies per chip. Use hal to
get the size. Also dump fecs_ctxsw_status_1 to help
debug

Bug 2093809

Change-Id: I5a50281e9d78fe0e4a75d03971169e3e9679967a
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1698026
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/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 65750a15..e48af08c 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -474,6 +474,7 @@ struct gpu_ops {
                                         u32 num_fbpas,
                                         u32 *priv_addr_table,
                                         u32 *priv_addr_table_index);
+                u32 (*fecs_ctxsw_mailbox_size)(void);
         } gr;
         struct {
                 void (*init_hw)(struct gk20a *g);