Now that all drm_private_objs users have been converted to use reset
instead of the old ad-hoc initialization, we can remove the state
parameter from drm_private_obj_init and the fallback code.

Signed-off-by: Maxime Ripard <[email protected]>

---

To: Liviu Dudau <[email protected]>
To: Andrzej Hajda <[email protected]>
To: Neil Armstrong <[email protected]>
To: Robert Foss <[email protected]>
To: Paul Cercueil <[email protected]>
To: Tomi Valkeinen <[email protected]>
To: Thierry Reding <[email protected]>
To: Mikko Perttunen <[email protected]>
To: Jonathan Hunter <[email protected]>
To: Dave Stevenson <[email protected]>
Cc: Rodrigo Siqueira <[email protected]>
Cc: Laurent Pinchart <[email protected]>
Cc: Jonas Karlman <[email protected]>
Cc: Jernej Skrabec <[email protected]>
Cc: Abhinav Kumar <[email protected]>
Cc: Jessica Zhang <[email protected]>
Cc: Sean Paul <[email protected]>
Cc: Marijn Suijten <[email protected]>
Cc: "MaĆ­ra Canal" <[email protected]>
Cc: Raspberry Pi Kernel Maintenance <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c       |  1 -
 drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c | 16 ++++++++--------
 drivers/gpu/drm/display/drm_dp_mst_topology.c           |  1 -
 drivers/gpu/drm/display/drm_dp_tunnel.c                 |  2 +-
 drivers/gpu/drm/drm_atomic.c                            | 17 ++---------------
 drivers/gpu/drm/drm_bridge.c                            |  1 -
 drivers/gpu/drm/ingenic/ingenic-drm-drv.c               |  2 +-
 drivers/gpu/drm/ingenic/ingenic-ipu.c                   |  2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c                 |  1 -
 drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c                |  1 -
 drivers/gpu/drm/omapdrm/omap_drv.c                      |  2 +-
 drivers/gpu/drm/tegra/hub.c                             |  2 +-
 drivers/gpu/drm/vc4/vc4_kms.c                           |  4 +---
 include/drm/drm_atomic.h                                |  1 -
 14 files changed, 16 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 
1bcbfd814d53bb443b7503ffacb109c900b67b5f..a8b2c7639440dbf16baa2741490db193019f7bc4
 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4729,11 +4729,10 @@ static int amdgpu_dm_mode_config_init(struct 
amdgpu_device *adev)
        /* indicates support for immediate flip */
        adev_to_drm(adev)->mode_config.async_page_flip = true;
 
        drm_atomic_private_obj_init(adev_to_drm(adev),
                                    &adev->dm.atomic_obj,
-                                   NULL,
                                    &dm_atomic_state_funcs);
 
        r = amdgpu_display_modeset_create_props(adev);
        if (r)
                return r;
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c 
b/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c
index 
0c7b7a5dd10900016f64df2a86d54f9178d1cf5e..403f9c10d4cd1e70319d40c2ad267ab76fd24bff
 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c
@@ -66,11 +66,11 @@ static const struct drm_private_state_funcs 
komeda_layer_obj_funcs = {
 };
 
 static int komeda_layer_obj_add(struct komeda_kms_dev *kms,
                                struct komeda_layer *layer)
 {
-       drm_atomic_private_obj_init(&kms->base, &layer->base.obj, NULL,
+       drm_atomic_private_obj_init(&kms->base, &layer->base.obj,
                                    &komeda_layer_obj_funcs);
        return 0;
 }
 
 static struct drm_private_state *
@@ -122,11 +122,11 @@ static const struct drm_private_state_funcs 
komeda_scaler_obj_funcs = {
 
 static int komeda_scaler_obj_add(struct komeda_kms_dev *kms,
                                 struct komeda_scaler *scaler)
 {
        drm_atomic_private_obj_init(&kms->base,
-                                   &scaler->base.obj, NULL,
+                                   &scaler->base.obj,
                                    &komeda_scaler_obj_funcs);
        return 0;
 }
 
 static struct drm_private_state *
@@ -177,11 +177,11 @@ static const struct drm_private_state_funcs 
komeda_compiz_obj_funcs = {
 };
 
 static int komeda_compiz_obj_add(struct komeda_kms_dev *kms,
                                 struct komeda_compiz *compiz)
 {
-       drm_atomic_private_obj_init(&kms->base, &compiz->base.obj, NULL,
+       drm_atomic_private_obj_init(&kms->base, &compiz->base.obj,
                                    &komeda_compiz_obj_funcs);
 
        return 0;
 }
 
@@ -234,11 +234,11 @@ static const struct drm_private_state_funcs 
komeda_splitter_obj_funcs = {
 
 static int komeda_splitter_obj_add(struct komeda_kms_dev *kms,
                                   struct komeda_splitter *splitter)
 {
        drm_atomic_private_obj_init(&kms->base,
-                                   &splitter->base.obj, NULL,
+                                   &splitter->base.obj,
                                    &komeda_splitter_obj_funcs);
 
        return 0;
 }
 
@@ -290,11 +290,11 @@ static const struct drm_private_state_funcs 
komeda_merger_obj_funcs = {
 
 static int komeda_merger_obj_add(struct komeda_kms_dev *kms,
                                 struct komeda_merger *merger)
 {
        drm_atomic_private_obj_init(&kms->base,
-                                   &merger->base.obj, NULL,
+                                   &merger->base.obj,
                                    &komeda_merger_obj_funcs);
 
        return 0;
 }
 
@@ -346,11 +346,11 @@ static const struct drm_private_state_funcs 
komeda_improc_obj_funcs = {
 };
 
 static int komeda_improc_obj_add(struct komeda_kms_dev *kms,
                                 struct komeda_improc *improc)
 {
-       drm_atomic_private_obj_init(&kms->base, &improc->base.obj, NULL,
+       drm_atomic_private_obj_init(&kms->base, &improc->base.obj,
                                    &komeda_improc_obj_funcs);
 
        return 0;
 }
 
@@ -402,11 +402,11 @@ static const struct drm_private_state_funcs 
komeda_timing_ctrlr_obj_funcs = {
 };
 
 static int komeda_timing_ctrlr_obj_add(struct komeda_kms_dev *kms,
                                       struct komeda_timing_ctrlr *ctrlr)
 {
-       drm_atomic_private_obj_init(&kms->base, &ctrlr->base.obj, NULL,
+       drm_atomic_private_obj_init(&kms->base, &ctrlr->base.obj,
                                    &komeda_timing_ctrlr_obj_funcs);
 
        return 0;
 }
 
@@ -459,11 +459,11 @@ static const struct drm_private_state_funcs 
komeda_pipeline_obj_funcs = {
 };
 
 static int komeda_pipeline_obj_add(struct komeda_kms_dev *kms,
                                   struct komeda_pipeline *pipe)
 {
-       drm_atomic_private_obj_init(&kms->base, &pipe->obj, NULL,
+       drm_atomic_private_obj_init(&kms->base, &pipe->obj,
                                    &komeda_pipeline_obj_funcs);
 
        return 0;
 }
 
diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c 
b/drivers/gpu/drm/display/drm_dp_mst_topology.c
index 
255fbdcea9f0b6376d15439e3da1dc02be472a20..2831e0b77ab120ef313ad44b0f35df37a0fb59dd
 100644
--- a/drivers/gpu/drm/display/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c
@@ -5764,11 +5764,10 @@ int drm_dp_mst_topology_mgr_init(struct 
drm_dp_mst_topology_mgr *mgr,
        mgr->max_dpcd_transaction_bytes = max_dpcd_transaction_bytes;
        mgr->max_payloads = max_payloads;
        mgr->conn_base_id = conn_base_id;
 
        drm_atomic_private_obj_init(dev, &mgr->base,
-                                   NULL,
                                    &drm_dp_mst_topology_state_funcs);
 
        return 0;
 }
 EXPORT_SYMBOL(drm_dp_mst_topology_mgr_init);
diff --git a/drivers/gpu/drm/display/drm_dp_tunnel.c 
b/drivers/gpu/drm/display/drm_dp_tunnel.c
index 
ae6c6ca99417bf7d99186dd2648f0525c633a8d5..b6e6f0e01c972db2def5164deeff34838ede544f
 100644
--- a/drivers/gpu/drm/display/drm_dp_tunnel.c
+++ b/drivers/gpu/drm/display/drm_dp_tunnel.c
@@ -1601,11 +1601,11 @@ static bool init_group(struct drm_dp_tunnel_mgr *mgr, 
struct drm_dp_tunnel_group
 {
        group->mgr = mgr;
        group->available_bw = -1;
        INIT_LIST_HEAD(&group->tunnels);
 
-       drm_atomic_private_obj_init(mgr->dev, &group->base, NULL,
+       drm_atomic_private_obj_init(mgr->dev, &group->base,
                                    &tunnel_group_funcs);
 
        return true;
 }
 
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 
45c26294e712fd36b43e87548072c3c0e9af1887..e409919b0ccb632e869b4a6f8462731484755b73
 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -773,44 +773,31 @@ static void drm_atomic_plane_print_state(struct 
drm_printer *p,
 
 /**
  * drm_atomic_private_obj_init - initialize private object
  * @dev: DRM device this object will be attached to
  * @obj: private object
- * @state: initial private object state
  * @funcs: pointer to the struct of function pointers that identify the object
  * type
  *
  * Initialize the private object, which can be embedded into any
  * driver private object that needs its own atomic state.
  */
 void
 drm_atomic_private_obj_init(struct drm_device *dev,
                            struct drm_private_obj *obj,
-                           struct drm_private_state *state,
                            const struct drm_private_state_funcs *funcs)
 {
        memset(obj, 0, sizeof(*obj));
 
        drm_modeset_lock_init(&obj->lock);
 
        obj->dev = dev;
        obj->funcs = funcs;
        list_add_tail(&obj->head, &dev->mode_config.privobj_list);
 
-       /*
-        * Not all users of drm_atomic_private_obj_init have been
-        * converted to using &drm_private_obj_funcs.reset yet. For the
-        * time being, let's only call reset if the passed state is
-        * NULL. Otherwise, we will fallback to the previous behaviour.
-        */
-       if (!state) {
-               if (obj->funcs->reset)
-                       obj->funcs->reset(obj);
-       } else {
-               obj->state = state;
-               state->obj = obj;
-       }
+       if (obj->funcs->reset)
+               obj->funcs->reset(obj);
 }
 EXPORT_SYMBOL(drm_atomic_private_obj_init);
 
 /**
  * drm_atomic_private_obj_fini - finalize private object
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index 
cc346412b0205288ec7ee5a7d80a897ad9659404..107bf1d984511496a3766d77de4d1e8a821eaeef
 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -478,11 +478,10 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct 
drm_bridge *bridge,
                        goto err_reset_bridge;
        }
 
        if (drm_bridge_is_atomic(bridge))
                drm_atomic_private_obj_init(bridge->dev, &bridge->base,
-                                           NULL,
                                            &drm_bridge_priv_state_funcs);
 
        return 0;
 
 err_reset_bridge:
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c 
b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index 
18f20d96f6e4a7d9e5209ee770c7b4fc81adbad7..a721353a9cba410f002c81d082eb2601c1830024
 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -1396,11 +1396,11 @@ static int ingenic_drm_bind(struct device *dev, bool 
has_components)
        if (ret) {
                dev_err(dev, "Unable to register clock notifier\n");
                goto err_devclk_disable;
        }
 
-       drm_atomic_private_obj_init(drm, &priv->private_obj, NULL,
+       drm_atomic_private_obj_init(drm, &priv->private_obj,
                                    &ingenic_drm_private_state_funcs);
 
        ret = drmm_add_action_or_reset(drm, ingenic_drm_atomic_private_obj_fini,
                                       &priv->private_obj);
        if (ret)
diff --git a/drivers/gpu/drm/ingenic/ingenic-ipu.c 
b/drivers/gpu/drm/ingenic/ingenic-ipu.c
index 
ddaf80052f03b8e366c89a6562b430a400b6dacd..e4de737d159e03a1e61015e42e000a83c9231357
 100644
--- a/drivers/gpu/drm/ingenic/ingenic-ipu.c
+++ b/drivers/gpu/drm/ingenic/ingenic-ipu.c
@@ -901,11 +901,11 @@ static int ingenic_ipu_bind(struct device *dev, struct 
device *master, void *d)
        if (err) {
                dev_err(dev, "Unable to prepare clock\n");
                return err;
        }
 
-       drm_atomic_private_obj_init(drm, &ipu->private_obj, NULL,
+       drm_atomic_private_obj_init(drm, &ipu->private_obj,
                                    &ingenic_ipu_private_state_funcs);
 
        return 0;
 }
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 
04baf072e8510ce8260f1ec609ba8f2b22f7c11e..d7257e888269aa0b4add4d3a911a9403ef590582
 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -403,11 +403,10 @@ static const struct drm_private_state_funcs 
dpu_kms_global_state_funcs = {
 };
 
 static int dpu_kms_global_obj_init(struct dpu_kms *dpu_kms)
 {
        drm_atomic_private_obj_init(dpu_kms->dev, &dpu_kms->global_state,
-                                   NULL,
                                    &dpu_kms_global_state_funcs);
 
        return 0;
 }
 
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c 
b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index 
44aef7eb8e9073bc9a4bab03c1d6c41313c56ac7..893f29a1fbdd51d22425f52638c74cc97cbe95bf
 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -151,11 +151,10 @@ static const struct drm_private_state_funcs 
mdp5_global_state_funcs = {
 };
 
 static int mdp5_global_obj_init(struct mdp5_kms *mdp5_kms)
 {
        drm_atomic_private_obj_init(mdp5_kms->dev, &mdp5_kms->glob_state,
-                                   NULL,
                                    &mdp5_global_state_funcs);
        return 0;
 }
 
 static void mdp5_enable_commit(struct msm_kms *kms)
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c 
b/drivers/gpu/drm/omapdrm/omap_drv.c
index 
4c556da5a5cae3685d929679f43260c51459e8a9..c14e8648b86044c90d2f9e93dbbe497086289f4f
 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -298,11 +298,11 @@ static const struct drm_private_state_funcs 
omap_global_state_funcs = {
 
 static int omap_global_obj_init(struct drm_device *dev)
 {
        struct omap_drm_private *priv = dev->dev_private;
 
-       drm_atomic_private_obj_init(dev, &priv->glob_obj, NULL,
+       drm_atomic_private_obj_init(dev, &priv->glob_obj,
                                    &omap_global_state_funcs);
        return 0;
 }
 
 static void omap_global_obj_fini(struct omap_drm_private *priv)
diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c
index 
6cae71bc3744a22e4b3804b19869e8b16fd60ecd..67e3b8ca4a5204fd29a64b0c80a5290bb6b093ea
 100644
--- a/drivers/gpu/drm/tegra/hub.c
+++ b/drivers/gpu/drm/tegra/hub.c
@@ -956,11 +956,11 @@ static int tegra_display_hub_init(struct host1x_client 
*client)
 {
        struct tegra_display_hub *hub = to_tegra_display_hub(client);
        struct drm_device *drm = dev_get_drvdata(client->host);
        struct tegra_drm *tegra = drm->dev_private;
 
-       drm_atomic_private_obj_init(drm, &hub->base, NULL,
+       drm_atomic_private_obj_init(drm, &hub->base,
                                    &tegra_display_hub_state_funcs);
 
        tegra->hub = hub;
 
        return 0;
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index 
f50ffc1c4b62ae3e180743f9cad4c6d0bc62a922..b1f2fb29a97b5cd23d819af9ff4ff407a511d2dc
 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -115,11 +115,11 @@ static void vc4_ctm_obj_fini(struct drm_device *dev, void 
*unused)
 
 static int vc4_ctm_obj_init(struct vc4_dev *vc4)
 {
        drm_modeset_lock_init(&vc4->ctm_state_lock);
 
-       drm_atomic_private_obj_init(&vc4->base, &vc4->ctm_manager, NULL,
+       drm_atomic_private_obj_init(&vc4->base, &vc4->ctm_manager,
                                    &vc4_ctm_state_funcs);
 
        return drmm_add_action_or_reset(&vc4->base, vc4_ctm_obj_fini, NULL);
 }
 
@@ -758,11 +758,10 @@ static void vc4_load_tracker_obj_fini(struct drm_device 
*dev, void *unused)
 }
 
 static int vc4_load_tracker_obj_init(struct vc4_dev *vc4)
 {
        drm_atomic_private_obj_init(&vc4->base, &vc4->load_tracker,
-                                   NULL,
                                    &vc4_load_tracker_state_funcs);
 
        return drmm_add_action_or_reset(&vc4->base, vc4_load_tracker_obj_fini, 
NULL);
 }
 
@@ -852,11 +851,10 @@ static void vc4_hvs_channels_obj_fini(struct drm_device 
*dev, void *unused)
 }
 
 static int vc4_hvs_channels_obj_init(struct vc4_dev *vc4)
 {
        drm_atomic_private_obj_init(&vc4->base, &vc4->hvs_channels,
-                                   NULL,
                                    &vc4_hvs_state_funcs);
 
        return drmm_add_action_or_reset(&vc4->base, vc4_hvs_channels_obj_fini, 
NULL);
 }
 
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 
fbac6d4c75fc86535cf153745b6132f8705c808a..68e30bce7b318ea524df9b47a9e88bb0c7b77c6b
 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -617,11 +617,10 @@ struct drm_connector_state * __must_check
 drm_atomic_get_connector_state(struct drm_atomic_state *state,
                               struct drm_connector *connector);
 
 void drm_atomic_private_obj_init(struct drm_device *dev,
                                 struct drm_private_obj *obj,
-                                struct drm_private_state *state,
                                 const struct drm_private_state_funcs *funcs);
 void drm_atomic_private_obj_fini(struct drm_private_obj *obj);
 
 struct drm_private_state * __must_check
 drm_atomic_get_private_obj_state(struct drm_atomic_state *state,

-- 
2.51.0

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