drm/msm: don't store created planes, connectors and encoders

There is no point now in storing arrays of creates planes, connectors
and encoders. Remove them from struct msm_drm_private.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/480945/
Link: https://lore.kernel.org/r/20220406101247.483649-4-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c

@@ -569,8 +569,6 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev,
 			return PTR_ERR(encoder);
 		}
 
-		priv->encoders[priv->num_encoders++] = encoder;
-
 		memset(&info, 0, sizeof(info));
 		info.intf_type = encoder->encoder_type;
 
@@ -633,8 +631,6 @@ static int _dpu_kms_initialize_displayport(struct drm_device *dev,
 			return rc;
 		}
 
-		priv->encoders[priv->num_encoders++] = encoder;
-
 		info.num_of_h_tiles = 1;
 		info.h_tile_instance[0] = i;
 		info.capabilities = MSM_DISPLAY_CAP_VID_MODE;
@@ -679,6 +675,7 @@ static int _dpu_kms_setup_displays(struct drm_device *dev,
 	return rc;
 }
 
+#define MAX_PLANES 20
 static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 {
 	struct drm_device *dev;
@@ -686,6 +683,7 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 	struct drm_plane *cursor_planes[MAX_PLANES] = { NULL };
 	struct drm_crtc *crtc;
 	struct drm_encoder *encoder;
+	unsigned int num_encoders;
 
 	struct msm_drm_private *priv;
 	struct dpu_mdss_cfg *catalog;
@@ -704,7 +702,11 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 	if (ret)
 		return ret;
 
-	max_crtc_count = min(catalog->mixer_count, priv->num_encoders);
+	num_encoders = 0;
+	drm_for_each_encoder(encoder, dev)
+		num_encoders++;
+
+	max_crtc_count = min(catalog->mixer_count, num_encoders);
 
 	/* Create the planes, keeping track of one primary/cursor per crtc */
 	for (i = 0; i < catalog->sspp_count; i++) {
@@ -729,7 +731,6 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 			ret = PTR_ERR(plane);
 			return ret;
 		}
-		priv->planes[priv->num_planes++] = plane;
 
 		if (type == DRM_PLANE_TYPE_CURSOR)
 			cursor_planes[cursor_planes_idx++] = plane;

drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c

@@ -229,9 +229,6 @@ static int mdp4_modeset_init_intf(struct mdp4_kms *mdp4_kms,
 			return PTR_ERR(connector);
 		}
 
-		priv->encoders[priv->num_encoders++] = encoder;
-		priv->connectors[priv->num_connectors++] = connector;
-
 		break;
 	case DRM_MODE_ENCODER_TMDS:
 		encoder = mdp4_dtv_encoder_init(dev);
@@ -252,8 +249,6 @@ static int mdp4_modeset_init_intf(struct mdp4_kms *mdp4_kms,
 			}
 		}
 
-		priv->encoders[priv->num_encoders++] = encoder;
-
 		break;
 	case DRM_MODE_ENCODER_DSI:
 		/* only DSI1 supported for now */
@@ -272,7 +267,6 @@ static int mdp4_modeset_init_intf(struct mdp4_kms *mdp4_kms,
 
 		/* TODO: Add DMA_S later? */
 		encoder->possible_crtcs = 1 << DMA_P;
-		priv->encoders[priv->num_encoders++] = encoder;
 
 		ret = msm_dsi_modeset_init(priv->dsi[dsi_id], dev, encoder);
 		if (ret) {
@@ -324,7 +318,6 @@ static int modeset_init(struct mdp4_kms *mdp4_kms)
 			ret = PTR_ERR(plane);
 			goto fail;
 		}
-		priv->planes[priv->num_planes++] = plane;
 	}
 
 	for (i = 0; i < ARRAY_SIZE(mdp4_crtcs); i++) {

drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c

@@ -322,7 +322,6 @@ static struct drm_encoder *construct_encoder(struct mdp5_kms *mdp5_kms,
 					     struct mdp5_ctl *ctl)
 {
 	struct drm_device *dev = mdp5_kms->dev;
-	struct msm_drm_private *priv = dev->dev_private;
 	struct drm_encoder *encoder;
 
 	encoder = mdp5_encoder_init(dev, intf, ctl);
@@ -331,8 +330,6 @@ static struct drm_encoder *construct_encoder(struct mdp5_kms *mdp5_kms,
 		return encoder;
 	}
 
-	priv->encoders[priv->num_encoders++] = encoder;
-
 	return encoder;
 }
 
@@ -438,6 +435,7 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
 	struct drm_plane *primary[MAX_BASES] = { NULL };
 	struct drm_plane *cursor[MAX_BASES] = { NULL };
 	struct drm_encoder *encoder;
+	unsigned int num_encoders;
 
 	/*
 	 * Construct encoders and modeset initialize connector devices
@@ -449,12 +447,16 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
 			goto fail;
 	}
 
+	num_encoders = 0;
+	drm_for_each_encoder(encoder, dev)
+		num_encoders++;
+
 	/*
 	 * We should ideally have less number of encoders (set up by parsing
 	 * the MDP5 interfaces) than the number of layer mixers present in HW,
 	 * but let's be safe here anyway
 	 */
-	num_crtcs = min(priv->num_encoders, mdp5_kms->num_hwmixers);
+	num_crtcs = min(num_encoders, mdp5_kms->num_hwmixers);
 
 	/*
 	 * Construct planes equaling the number of hw pipes, and CRTCs for the
@@ -479,7 +481,6 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
 			DRM_DEV_ERROR(dev->dev, "failed to construct plane %d (%d)\n", i, ret);
 			goto fail;
 		}
-		priv->planes[priv->num_planes++] = plane;
 
 		if (type == DRM_PLANE_TYPE_PRIMARY)
 			primary[pi++] = plane;

drivers/gpu/drm/msm/dp/dp_display.c

@@ -1541,8 +1541,6 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
 
 	dp_priv->panel->connector = dp_display->connector;
 
-	priv->connectors[priv->num_connectors++] = dp_display->connector;
-
 	dp_display->bridge = msm_dp_bridge_init(dp_display, dev, encoder);
 	if (IS_ERR(dp_display->bridge)) {
 		ret = PTR_ERR(dp_display->bridge);

drivers/gpu/drm/msm/dsi/dsi.c

@@ -273,7 +273,6 @@ int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
 	}
 
 	priv->bridges[priv->num_bridges++]       = msm_dsi->bridge;
-	priv->connectors[priv->num_connectors++] = msm_dsi->connector;
 
 	return 0;
 fail:

drivers/gpu/drm/msm/hdmi/hdmi.c

@@ -322,7 +322,6 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi,
 	}
 
 	priv->bridges[priv->num_bridges++]       = hdmi->bridge;
-	priv->connectors[priv->num_connectors++] = hdmi->connector;
 
 	platform_set_drvdata(pdev, hdmi);
 

drivers/gpu/drm/msm/msm_drv.h

@@ -46,10 +46,7 @@ struct msm_gem_vma;
 struct msm_disp_state;
 
 #define MAX_CRTCS      8
-#define MAX_PLANES     20
-#define MAX_ENCODERS   8
 #define MAX_BRIDGES    8
-#define MAX_CONNECTORS 8
 
 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
 
@@ -182,23 +179,14 @@ struct msm_drm_private {
 
 	struct workqueue_struct *wq;
 
-	unsigned int num_planes;
-	struct drm_plane *planes[MAX_PLANES];
-
 	unsigned int num_crtcs;
 	struct drm_crtc *crtcs[MAX_CRTCS];
 
 	struct msm_drm_thread event_thread[MAX_CRTCS];
 
-	unsigned int num_encoders;
-	struct drm_encoder *encoders[MAX_ENCODERS];
-
 	unsigned int num_bridges;
 	struct drm_bridge *bridges[MAX_BRIDGES];
 
-	unsigned int num_connectors;
-	struct drm_connector *connectors[MAX_CONNECTORS];
-
 	/* Properties */
 	struct drm_property *plane_property[PLANE_PROP_MAX_NUM];