drm/nouveau/kms/nv50-: pull some common init out of OR-specific code

- cleanup before additional changes
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <me@dakr.org>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919220442.202488-16-lyude@redhat.com

drivers/gpu/drm/nouveau/dispnv50/disp.c

@@ -554,34 +554,27 @@ nv50_dac_func = {
 };
 
 static int
-nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
+nv50_dac_create(struct nouveau_encoder *nv_encoder)
 {
+	struct drm_connector *connector = &nv_encoder->conn->base;
 	struct nouveau_drm *drm = nouveau_drm(connector->dev);
-	struct nv50_disp *disp = nv50_disp(connector->dev);
 	struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
 	struct nvkm_i2c_bus *bus;
-	struct nouveau_encoder *nv_encoder;
 	struct drm_encoder *encoder;
+	struct dcb_output *dcbe = nv_encoder->dcb;
 	int type = DRM_MODE_ENCODER_DAC;
 
-	nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
-	if (!nv_encoder)
-		return -ENOMEM;
-	nv_encoder->dcb = dcbe;
-
 	bus = nvkm_i2c_bus_find(i2c, dcbe->i2c_index);
 	if (bus)
 		nv_encoder->i2c = &bus->i2c;
 
 	encoder = to_drm_encoder(nv_encoder);
-	encoder->possible_crtcs = dcbe->heads;
-	encoder->possible_clones = 0;
 	drm_encoder_init(connector->dev, encoder, &nv50_dac_func, type,
 			 "dac-%04x-%04x", dcbe->hasht, dcbe->hashm);
 	drm_encoder_helper_add(encoder, &nv50_dac_help);
 
 	drm_connector_attach_encoder(connector, encoder);
-	return nvif_outp_ctor(disp->disp, nv_encoder->base.base.name, dcbe->id, &nv_encoder->outp);
+	return 0;
 }
 
 /*
@@ -1726,13 +1719,14 @@ bool nv50_has_mst(struct nouveau_drm *drm)
 }
 
 static int
-nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
+nv50_sor_create(struct nouveau_encoder *nv_encoder)
 {
+	struct drm_connector *connector = &nv_encoder->conn->base;
 	struct nouveau_connector *nv_connector = nouveau_connector(connector);
 	struct nouveau_drm *drm = nouveau_drm(connector->dev);
 	struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
-	struct nouveau_encoder *nv_encoder;
 	struct drm_encoder *encoder;
+	struct dcb_output *dcbe = nv_encoder->dcb;
 	struct nv50_disp *disp = nv50_disp(connector->dev);
 	int type, ret;
 
@@ -1745,15 +1739,9 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
 		break;
 	}
 
-	nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
-	if (!nv_encoder)
-		return -ENOMEM;
-	nv_encoder->dcb = dcbe;
 	nv_encoder->update = nv50_sor_update;
 
 	encoder = to_drm_encoder(nv_encoder);
-	encoder->possible_crtcs = dcbe->heads;
-	encoder->possible_clones = 0;
 	drm_encoder_init(connector->dev, encoder, &nv50_sor_func, type,
 			 "sor-%04x-%04x", dcbe->hasht, dcbe->hashm);
 	drm_encoder_helper_add(encoder, &nv50_sor_help);
@@ -1797,7 +1785,7 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
 			nv_encoder->i2c = &bus->i2c;
 	}
 
-	return nvif_outp_ctor(disp->disp, nv_encoder->base.base.name, dcbe->id, &nv_encoder->outp);
+	return 0;
 }
 
 /******************************************************************************
@@ -1897,8 +1885,9 @@ nv50_pior_func = {
 };
 
 static int
-nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
+nv50_pior_create(struct nouveau_encoder *nv_encoder)
 {
+	struct drm_connector *connector = &nv_encoder->conn->base;
 	struct drm_device *dev = connector->dev;
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nv50_disp *disp = nv50_disp(dev);
@@ -1906,8 +1895,8 @@ nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
 	struct nvkm_i2c_bus *bus = NULL;
 	struct nvkm_i2c_aux *aux = NULL;
 	struct i2c_adapter *ddc;
-	struct nouveau_encoder *nv_encoder;
 	struct drm_encoder *encoder;
+	struct dcb_output *dcbe = nv_encoder->dcb;
 	int type;
 
 	switch (dcbe->type) {
@@ -1925,16 +1914,10 @@ nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
 		return -ENODEV;
 	}
 
-	nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
-	if (!nv_encoder)
-		return -ENOMEM;
-	nv_encoder->dcb = dcbe;
 	nv_encoder->i2c = ddc;
 	nv_encoder->aux = aux;
 
 	encoder = to_drm_encoder(nv_encoder);
-	encoder->possible_crtcs = dcbe->heads;
-	encoder->possible_clones = 0;
 	drm_encoder_init(connector->dev, encoder, &nv50_pior_func, type,
 			 "pior-%04x-%04x", dcbe->hasht, dcbe->hashm);
 	drm_encoder_helper_add(encoder, &nv50_pior_help);
@@ -1944,7 +1927,7 @@ nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
 	disp->core->func->pior->get_caps(disp, nv_encoder, ffs(dcbe->or) - 1);
 	nv50_outp_dump_caps(drm, nv_encoder);
 
-	return nvif_outp_ctor(disp->disp, nv_encoder->base.base.name, dcbe->id, &nv_encoder->outp);
+	return 0;
 }
 
 /******************************************************************************
@@ -2797,26 +2780,46 @@ nv50_display_create(struct drm_device *dev)
 
 	/* create encoder/connector objects based on VBIOS DCB table */
 	for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) {
+		struct nouveau_encoder *outp;
+
+		outp = kzalloc(sizeof(*outp), GFP_KERNEL);
+		if (!outp)
+			break;
+
+		ret = nvif_outp_ctor(disp->disp, "kmsOutp", dcbe->id, &outp->outp);
+		if (ret) {
+			kfree(outp);
+			continue;
+		}
+
 		connector = nouveau_connector_create(dev, dcbe);
-		if (IS_ERR(connector))
+		if (IS_ERR(connector)) {
+			nvif_outp_dtor(&outp->outp);
+			kfree(outp);
 			continue;
+		}
+
+		outp->base.base.possible_crtcs = dcbe->heads;
+		outp->base.base.possible_clones = 0;
+		outp->dcb = dcbe;
+		outp->conn = nouveau_connector(connector);
 
 		if (dcbe->location == DCB_LOC_ON_CHIP) {
 			switch (dcbe->type) {
 			case DCB_OUTPUT_TMDS:
 			case DCB_OUTPUT_LVDS:
 			case DCB_OUTPUT_DP:
-				ret = nv50_sor_create(connector, dcbe);
+				ret = nv50_sor_create(outp);
 				break;
 			case DCB_OUTPUT_ANALOG:
-				ret = nv50_dac_create(connector, dcbe);
+				ret = nv50_dac_create(outp);
 				break;
 			default:
 				ret = -ENODEV;
 				break;
 			}
 		} else {
-			ret = nv50_pior_create(connector, dcbe);
+			ret = nv50_pior_create(outp);
 		}
 
 		if (ret) {

drivers/gpu/drm/nouveau/nouveau_encoder.h

@@ -49,6 +49,8 @@ struct nouveau_encoder {
 	struct nvif_outp outp;
 	int or;
 
+	struct nouveau_connector *conn;
+
 	struct i2c_adapter *i2c;
 	struct nvkm_i2c_aux *aux;