drm/amdgpu/psp: avoid hard-code fence value pre submission

Hard-code submission fence is not a sustainable way as there is
more and more run-time psp kernel mode submission from driver to
fw

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 8b8720e9c3f0..5bc59bcb3097 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -96,7 +96,7 @@ struct psp_context
 
         const struct psp_funcs          *funcs;
 
-        /* fence buffer */
+        /* firmware buffer */
         struct amdgpu_bo                *fw_pri_bo;
         uint64_t                        fw_pri_mc_addr;
         void                            *fw_pri_buf;
@@ -134,6 +134,9 @@ struct psp_context
         struct amdgpu_bo                *cmd_buf_bo;
         uint64_t                        cmd_buf_mc_addr;
         struct psp_gfx_cmd_resp         *cmd_buf_mem;
+
+        /* fence value associated with cmd buffer */
+        atomic_t                        fence_value;
 };
 
 struct amdgpu_psp_funcs {