gpu: nvgpu: use nvgpu list for CDE contexts

Use nvgpu list APIs instead of linux list APIs
to store CDE contexts in free_contexts/used_contexts
lists

Jira NVGPU-13

Change-Id: If1c5d8d8ca70afc90379b33232ceccf9ac4fb155
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1454009
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 10 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/cde_gk20a.h b/drivers/gpu/nvgpu/gk20a/cde_gk20a.h
index 1136b0ad..a36f2401 100644
--- a/drivers/gpu/nvgpu/gk20a/cde_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/cde_gk20a.h
@@ -254,18 +254,25 @@ struct gk20a_cde_ctx {
 
         bool init_cmd_executed;
 
-        struct list_head list;
+        struct nvgpu_list_node list;
         bool is_temporary;
         bool in_use;
         struct delayed_work ctx_deleter_work;
 };
 
+static inline struct gk20a_cde_ctx *
+gk20a_cde_ctx_from_list(struct nvgpu_list_node *node)
+{
+        return (struct gk20a_cde_ctx *)
+                ((uintptr_t)node - offsetof(struct gk20a_cde_ctx, list));
+};
+
 struct gk20a_cde_app {
         bool initialised;
         struct nvgpu_mutex mutex;
 
-        struct list_head free_contexts;
-        struct list_head used_contexts;
+        struct nvgpu_list_node free_contexts;
+        struct nvgpu_list_node used_contexts;
         unsigned int ctx_count;
         unsigned int ctx_usecount;
         unsigned int ctx_count_top;