After switching to directly using dma_fence instead of i915_sw_fence we
have left some dead code around intel_atomic_helper->free_list. Remove that
dead code.

v2: Remove intel_atomic_state->freed as well

Signed-off-by: Jouni Högander <jouni.hogan...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c  | 20 -------------------
 .../gpu/drm/i915/display/intel_display_core.h |  6 ------
 .../drm/i915/display/intel_display_driver.c   |  7 -------
 .../drm/i915/display/intel_display_types.h    |  2 --
 4 files changed, 35 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 3effafcbb411..387acf21b794 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7086,24 +7086,6 @@ static void skl_commit_modeset_enables(struct 
intel_atomic_state *state)
        drm_WARN_ON(&dev_priv->drm, update_pipes);
 }
 
-static void intel_atomic_helper_free_state(struct drm_i915_private *dev_priv)
-{
-       struct intel_atomic_state *state, *next;
-       struct llist_node *freed;
-
-       freed = llist_del_all(&dev_priv->display.atomic_helper.free_list);
-       llist_for_each_entry_safe(state, next, freed, freed)
-               drm_atomic_state_put(&state->base);
-}
-
-void intel_atomic_helper_free_state_worker(struct work_struct *work)
-{
-       struct drm_i915_private *dev_priv =
-               container_of(work, typeof(*dev_priv), 
display.atomic_helper.free_work);
-
-       intel_atomic_helper_free_state(dev_priv);
-}
-
 static void intel_atomic_commit_fence_wait(struct intel_atomic_state 
*intel_state)
 {
        struct drm_i915_private *i915 = to_i915(intel_state->base.dev);
@@ -7139,8 +7121,6 @@ static void intel_atomic_cleanup_work(struct work_struct 
*work)
        drm_atomic_helper_cleanup_planes(&i915->drm, &state->base);
        drm_atomic_helper_commit_cleanup_done(&state->base);
        drm_atomic_state_put(&state->base);
-
-       intel_atomic_helper_free_state(i915);
 }
 
 static void intel_atomic_prepare_plane_clear_colors(struct intel_atomic_state 
*state)
diff --git a/drivers/gpu/drm/i915/display/intel_display_core.h 
b/drivers/gpu/drm/i915/display/intel_display_core.h
index aa8be02c9e54..34945f733a97 100644
--- a/drivers/gpu/drm/i915/display/intel_display_core.h
+++ b/drivers/gpu/drm/i915/display/intel_display_core.h
@@ -298,12 +298,6 @@ struct intel_display {
                const struct intel_audio_funcs *audio;
        } funcs;
 
-       /* Grouping using anonymous structs. Keep sorted. */
-       struct intel_atomic_helper {
-               struct llist_head free_list;
-               struct work_struct free_work;
-       } atomic_helper;
-
        struct {
                /* backlight registers and fields in struct intel_panel */
                struct mutex lock;
diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c 
b/drivers/gpu/drm/i915/display/intel_display_driver.c
index 62f7b10484be..9df9097a0255 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.c
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
@@ -259,10 +259,6 @@ int intel_display_driver_probe_noirq(struct 
drm_i915_private *i915)
        if (ret)
                goto cleanup_vga_client_pw_domain_dmc;
 
-       init_llist_head(&i915->display.atomic_helper.free_list);
-       INIT_WORK(&i915->display.atomic_helper.free_work,
-                 intel_atomic_helper_free_state_worker);
-
        intel_init_quirks(i915);
 
        intel_fbc_init(i915);
@@ -430,9 +426,6 @@ void intel_display_driver_remove(struct drm_i915_private 
*i915)
        flush_workqueue(i915->display.wq.flip);
        flush_workqueue(i915->display.wq.modeset);
 
-       flush_work(&i915->display.atomic_helper.free_work);
-       drm_WARN_ON(&i915->drm, 
!llist_empty(&i915->display.atomic_helper.free_list));
-
        /*
         * MST topology needs to be suspended so we don't have any calls to
         * fbdev after it's finalized. MST will be destroyed later as part of
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h 
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 926bf9c1a3ed..8ddfc6efef96 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -678,8 +678,6 @@ struct intel_atomic_state {
        bool skip_intermediate_wm;
 
        bool rps_interactive;
-
-       struct llist_node freed;
 };
 
 struct intel_plane_state {
-- 
2.34.1

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