With every cross-module query of the DSI, DP and HDMI sub-blocks now going
through the msm_display interface, struct msm_kms no longer needs to know
their concrete types.

Store the sub-blocks as struct msm_display pointers in struct msm_kms;
each sub-driver registers &obj->display. The msm_*_get_display() accessors
are no longer needed and are removed, and callers use kms->dsi[]/dp[]/hdmi
directly.

No functional change intended.

Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Dmitry Baryshkov <[email protected]>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c       |  6 +++---
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c           |  2 +-
 drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c          |  2 +-
 drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c |  6 +++---
 drivers/gpu/drm/msm/dp/dp_display.c               |  7 +------
 drivers/gpu/drm/msm/dsi/dsi.c                     |  7 +------
 drivers/gpu/drm/msm/hdmi/hdmi.c                   |  7 +------
 drivers/gpu/drm/msm/msm_drv.h                     | 15 ---------------
 drivers/gpu/drm/msm/msm_kms.c                     | 11 +++++------
 drivers/gpu/drm/msm/msm_kms.h                     |  6 +++---
 10 files changed, 19 insertions(+), 50 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 569f3759d02c..aa8a9b7c1beb 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -261,11 +261,11 @@ static struct msm_display *dpu_encoder_get_display(struct 
drm_device *dev,
 
        switch (disp_info->intf_type) {
        case INTF_DP:
-               return msm_dp_get_display(priv->kms->dp[index]);
+               return priv->kms->dp[index];
        case INTF_DSI:
-               return msm_dsi_get_display(priv->kms->dsi[index]);
+               return priv->kms->dsi[index];
        case INTF_HDMI:
-               return msm_hdmi_get_display(priv->kms->hdmi);
+               return priv->kms->hdmi;
        default:
                return NULL;
        }
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 2eeaef963e1a..ec5e02c395f6 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -603,7 +603,7 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev,
                if (!priv->kms->dsi[i])
                        continue;
 
-               display = msm_dsi_get_display(priv->kms->dsi[i]);
+               display = priv->kms->dsi[i];
 
                if (!display->funcs->needs_encoder(display))
                        continue;
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c 
b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index e372d295b80f..c91915030111 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -361,7 +361,7 @@ static int modeset_init_intf(struct mdp5_kms *mdp5_kms,
                        break;
                }
 
-               display = msm_dsi_get_display(priv->kms->dsi[dsi_id]);
+               display = priv->kms->dsi[dsi_id];
                priv->kms->dsi_encoder[dsi_id] = encoder;
                mdp5_encoder_set_intf_mode(encoder,
                                           
display->funcs->is_cmd_mode(display));
diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c 
b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
index b42a92c2ffad..d376c3cdd8b5 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
@@ -140,18 +140,18 @@ void msm_disp_snapshot_capture_state(struct 
msm_disp_state *disp_state)
        kms = priv->kms;
 
        for (i = 0; i < ARRAY_SIZE(kms->dp); i++) {
-               display = msm_dp_get_display(kms->dp[i]);
+               display = kms->dp[i];
                if (display)
                        display->funcs->snapshot(display, disp_state);
        }
 
        for (i = 0; i < ARRAY_SIZE(kms->dsi); i++) {
-               display = msm_dsi_get_display(kms->dsi[i]);
+               display = kms->dsi[i];
                if (display)
                        display->funcs->snapshot(display, disp_state);
        }
 
-       display = msm_hdmi_get_display(kms->hdmi);
+       display = kms->hdmi;
        if (display)
                display->funcs->snapshot(display, disp_state);
 
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c 
b/drivers/gpu/drm/msm/dp/dp_display.c
index 914cf9dd0f21..1baeb9401cfa 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -215,7 +215,7 @@ static int msm_dp_display_bind(struct device *dev, struct 
device *master,
 
        dp->msm_dp_display.drm_dev = drm;
        dp->msm_dp_display.display.funcs = &msm_dp_display_funcs;
-       priv->kms->dp[dp->id] = &dp->msm_dp_display;
+       priv->kms->dp[dp->id] = &dp->msm_dp_display.display;
 
        dp->drm_dev = drm;
        dp->aux->drm_dev = drm;
@@ -1406,11 +1406,6 @@ static const struct msm_display_funcs 
msm_dp_display_funcs = {
        .needs_encoder = msm_dp_display_needs_encoder,
 };
 
-struct msm_display *msm_dp_get_display(struct msm_dp *msm_dp_display)
-{
-       return msm_dp_display ? &msm_dp_display->display : NULL;
-}
-
 void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
                                 struct drm_atomic_commit *state)
 {
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index 69e57ab47258..3bcea5f5b5a3 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -170,7 +170,7 @@ static int dsi_bind(struct device *dev, struct device 
*master, void *data)
        }
 
        msm_dsi->display.funcs = &msm_dsi_display_funcs;
-       priv->kms->dsi[msm_dsi->id] = msm_dsi;
+       priv->kms->dsi[msm_dsi->id] = &msm_dsi->display;
 
        return 0;
 }
@@ -319,8 +319,3 @@ static const struct msm_display_funcs msm_dsi_display_funcs 
= {
        .needs_encoder = msm_dsi_needs_encoder,
 };
 
-struct msm_display *msm_dsi_get_display(struct msm_dsi *msm_dsi)
-{
-       return msm_dsi ? &msm_dsi->display : NULL;
-}
-
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 0327098287d1..1d5a4b63f3c8 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -276,11 +276,6 @@ static const struct msm_display_funcs 
msm_hdmi_display_funcs = {
        .needs_encoder = msm_hdmi_needs_encoder,
 };
 
-struct msm_display *msm_hdmi_get_display(struct hdmi *hdmi)
-{
-       return hdmi ? &hdmi->display : NULL;
-}
-
 /*
  * The hdmi device:
  */
@@ -315,7 +310,7 @@ static int msm_hdmi_bind(struct device *dev, struct device 
*master, void *data)
        if (err)
                return err;
        hdmi->display.funcs = &msm_hdmi_display_funcs;
-       priv->kms->hdmi = hdmi;
+       priv->kms->hdmi = &hdmi->display;
 
        return 0;
 }
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 378d2cc80b66..3d9ae49cba49 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -324,14 +324,9 @@ struct msm_display {
 
 struct hdmi;
 #ifdef CONFIG_DRM_MSM_HDMI
-struct msm_display *msm_hdmi_get_display(struct hdmi *hdmi);
 void __init msm_hdmi_register(void);
 void __exit msm_hdmi_unregister(void);
 #else
-static inline struct msm_display *msm_hdmi_get_display(struct hdmi *hdmi)
-{
-       return NULL;
-}
 static inline void __init msm_hdmi_register(void) {}
 static inline void __exit msm_hdmi_unregister(void) {}
 #endif
@@ -342,7 +337,6 @@ int dsi_dev_attach(struct platform_device *pdev);
 void dsi_dev_detach(struct platform_device *pdev);
 void __init msm_dsi_register(void);
 void __exit msm_dsi_unregister(void);
-struct msm_display *msm_dsi_get_display(struct msm_dsi *msm_dsi);
 #else
 static inline void __init msm_dsi_register(void)
 {
@@ -350,17 +344,12 @@ static inline void __init msm_dsi_register(void)
 static inline void __exit msm_dsi_unregister(void)
 {
 }
-static inline struct msm_display *msm_dsi_get_display(struct msm_dsi *msm_dsi)
-{
-       return NULL;
-}
 #endif
 
 struct msm_dp;
 #ifdef CONFIG_DRM_MSM_DP
 int __init msm_dp_register(void);
 void __exit msm_dp_unregister(void);
-struct msm_display *msm_dp_get_display(struct msm_dp *dp_display);
 
 #else
 static inline int __init msm_dp_register(void)
@@ -370,10 +359,6 @@ static inline int __init msm_dp_register(void)
 static inline void __exit msm_dp_unregister(void)
 {
 }
-static inline struct msm_display *msm_dp_get_display(struct msm_dp *dp_display)
-{
-       return NULL;
-}
 
 #endif
 
diff --git a/drivers/gpu/drm/msm/msm_kms.c b/drivers/gpu/drm/msm/msm_kms.c
index 3f855f9b3d06..1a081e15a0a8 100644
--- a/drivers/gpu/drm/msm/msm_kms.c
+++ b/drivers/gpu/drm/msm/msm_kms.c
@@ -286,21 +286,20 @@ static int msm_kms_init_connectors(struct drm_device 
*ddev)
        int i, ret;
 
        for (i = 0; i < ARRAY_SIZE(kms->dsi); i++) {
-               ret = msm_display_modeset_init(msm_dsi_get_display(kms->dsi[i]),
-                                              ddev, kms->dsi_encoder[i]);
+               ret = msm_display_modeset_init(kms->dsi[i], ddev,
+                                              kms->dsi_encoder[i]);
                if (ret)
                        goto fail;
        }
 
        for (i = 0; i < ARRAY_SIZE(kms->dp); i++) {
-               ret = msm_display_modeset_init(msm_dp_get_display(kms->dp[i]),
-                                              ddev, kms->dp_encoder[i]);
+               ret = msm_display_modeset_init(kms->dp[i], ddev,
+                                              kms->dp_encoder[i]);
                if (ret)
                        goto fail;
        }
 
-       ret = msm_display_modeset_init(msm_hdmi_get_display(kms->hdmi),
-                                      ddev, kms->hdmi_encoder);
+       ret = msm_display_modeset_init(kms->hdmi, ddev, kms->hdmi_encoder);
        if (ret)
                goto fail;
 
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 06646091604a..cbb9c9dcc193 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -139,13 +139,13 @@ struct msm_kms {
        const struct msm_kms_funcs *funcs;
        struct drm_device *dev;
 
-       struct hdmi *hdmi;
+       struct msm_display *hdmi;
        struct drm_encoder *hdmi_encoder;
 
-       struct msm_dsi *dsi[MSM_DSI_CONTROLLER_COUNT];
+       struct msm_display *dsi[MSM_DSI_CONTROLLER_COUNT];
        struct drm_encoder *dsi_encoder[MSM_DSI_CONTROLLER_COUNT];
 
-       struct msm_dp *dp[MSM_DP_CONTROLLER_COUNT];
+       struct msm_display *dp[MSM_DP_CONTROLLER_COUNT];
        struct drm_encoder *dp_encoder[MSM_DP_CONTROLLER_COUNT];
 
        /* irq number to be passed on to msm_irq_install */

-- 
2.47.3

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