drm/i915: s/obj->exec_list/obj->obj_exec_link in debugfs

To convert the execbuf code over to use vmas natively we need to
shuffle the exec_list a bit. This patch here just prepares things with
the debugfs code, which also uses the old exec_list list_head, newly
called obj_exec_link.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Split out from Ben's big patch.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

3 files changed, 9 insertions, 6 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index eb87865c20d4..4785d8c14654 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -195,9 +195,9 @@ static int obj_rank_by_stolen(void *priv,
                               struct list_head *A, struct list_head *B)
 {
         struct drm_i915_gem_object *a =
-                container_of(A, struct drm_i915_gem_object, exec_list);
+                container_of(A, struct drm_i915_gem_object, obj_exec_link);
         struct drm_i915_gem_object *b =
-                container_of(B, struct drm_i915_gem_object, exec_list);
+                container_of(B, struct drm_i915_gem_object, obj_exec_link);
 
         return a->stolen->start - b->stolen->start;
 }
@@ -221,7 +221,7 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
                 if (obj->stolen == NULL)
                         continue;
 
-                list_add(&obj->exec_list, &stolen);
+                list_add(&obj->obj_exec_link, &stolen);
 
                 total_obj_size += obj->base.size;
                 total_gtt_size += i915_gem_obj_ggtt_size(obj);
@@ -231,7 +231,7 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
                 if (obj->stolen == NULL)
                         continue;
 
-                list_add(&obj->exec_list, &stolen);
+                list_add(&obj->obj_exec_link, &stolen);
 
                 total_obj_size += obj->base.size;
                 count++;
@@ -239,11 +239,11 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
         list_sort(NULL, &stolen, obj_rank_by_stolen);
         seq_puts(m, "Stolen:\n");
         while (!list_empty(&stolen)) {
-                obj = list_first_entry(&stolen, typeof(*obj), exec_list);
+                obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link);
                 seq_puts(m, "   ");
                 describe_obj(m, obj);
                 seq_putc(m, '\n');
-                list_del_init(&obj->exec_list);
+                list_del_init(&obj->obj_exec_link);
         }
         mutex_unlock(&dev->struct_mutex);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 2e7d5f9524f7..6532d9713b72 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1312,6 +1312,8 @@ struct drm_i915_gem_object {
         struct list_head global_list;
 
         struct list_head ring_list;
+        /** Used in execbuf to temporarily hold a ref */
+        struct list_head obj_exec_link;
         /** This object's place in the batchbuffer or on the eviction list */
         struct list_head exec_list;
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 41dc04293584..ce40e27f8b42 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3992,6 +3992,7 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj,
         INIT_LIST_HEAD(&obj->global_list);
         INIT_LIST_HEAD(&obj->ring_list);
         INIT_LIST_HEAD(&obj->exec_list);
+        INIT_LIST_HEAD(&obj->obj_exec_link);
         INIT_LIST_HEAD(&obj->vma_list);
 
         obj->ops = ops;