From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 19 May 2017 13:59:35 +0000 (+1000)
Subject: drm/nouveau/disp: introduce input/output resource abstraction
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=78f1ad6f655847411b36bda2b2acbd0648a03d5c;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

drm/nouveau/disp: introduce input/output resource abstraction

In order to properly support the SOR -> SOR + pad macro separation
that occurred with GM20x GPUs, we need to separate OR handling out
of the output path code.

This will be used as the base to support ORs (DAC, SOR, PIOR).

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h
index a0892d6d9841..6d68596ecfc2 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h
@@ -9,6 +9,7 @@ struct nvkm_disp {
 	struct nvkm_engine engine;
 
 	struct list_head head;
+	struct list_head ior;
 	struct list_head outp;
 	struct list_head conn;
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
index 7062929260bc..5bcdc1162fd5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
@@ -19,6 +19,7 @@ nvkm-y += nvkm/engine/disp/headnv04.o
 nvkm-y += nvkm/engine/disp/headnv50.o
 nvkm-y += nvkm/engine/disp/headgf119.o
 
+nvkm-y += nvkm/engine/disp/ior.o
 nvkm-y += nvkm/engine/disp/dacnv50.o
 nvkm-y += nvkm/engine/disp/piornv50.o
 nvkm-y += nvkm/engine/disp/sornv50.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
index 1c655c18097e..24d2f325cbc5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
@@ -24,6 +24,7 @@
 #include "priv.h"
 #include "conn.h"
 #include "head.h"
+#include "ior.h"
 #include "outp.h"
 
 #include <core/client.h>
@@ -414,6 +415,12 @@ nvkm_disp_dtor(struct nvkm_engine *engine)
 		nvkm_outp_del(&outp);
 	}
 
+	while (!list_empty(&disp->ior)) {
+		struct nvkm_ior *ior =
+			list_first_entry(&disp->ior, typeof(*ior), head);
+		nvkm_ior_del(&ior);
+	}
+
 	while (!list_empty(&disp->head)) {
 		struct nvkm_head *head =
 			list_first_entry(&disp->head, typeof(*head), head);
@@ -439,6 +446,7 @@ nvkm_disp_ctor(const struct nvkm_disp_func *func, struct nvkm_device *device,
 {
 	disp->func = func;
 	INIT_LIST_HEAD(&disp->head);
+	INIT_LIST_HEAD(&disp->ior);
 	INIT_LIST_HEAD(&disp->outp);
 	INIT_LIST_HEAD(&disp->conn);
 	return nvkm_engine_ctor(&nvkm_disp, device, index, true, &disp->engine);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c
index e8dabedea5dc..5e2dbd5de511 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "ior.h"
 #include "nv50.h"
 #include "outp.h"
 
@@ -124,3 +125,13 @@ nv50_dac_power(NV50_DISP_MTHD_V1)
 	);
 	return 0;
 }
+
+static const struct nvkm_ior_func
+nv50_dac = {
+};
+
+int
+nv50_dac_new(struct nvkm_disp *disp, int id)
+{
+	return nvkm_ior_new_(&nv50_dac, disp, DAC, id);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/g84.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/g84.c
index bdaec4e4cb60..b8aae872f873 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/g84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/g84.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -38,12 +39,15 @@ g84_disp = {
 	.outp.external.tmds = nv50_pior_output_new,
 	.outp.external.dp = nv50_pior_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 2,
+	.sor.new = nv50_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hdmi = g84_hdmi_ctrl,
 	.pior.nr = 3,
+	.pior.new = nv50_pior_new,
 	.pior.power = nv50_pior_power,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/g94.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/g94.c
index 12e4984e5393..4a959de0d616 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/g94.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/g94.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -39,12 +40,15 @@ g94_disp = {
 	.outp.external.tmds = nv50_pior_output_new,
 	.outp.external.dp = nv50_pior_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = g94_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hdmi = g84_hdmi_ctrl,
 	.pior.nr = 3,
+	.pior.new = nv50_pior_new,
 	.pior.power = nv50_pior_power,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c
index d353d29f2ad4..1a9958c2e73c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 #include <subdev/bios.h>
@@ -506,9 +507,11 @@ gf119_disp = {
 	.outp.internal.lvds = nv50_sor_output_new,
 	.outp.internal.dp = gf119_sor_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = gf119_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hda_eld = gf119_hda_eld,
 	.sor.hdmi = gf119_hdmi_ctrl,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk104.c
index a83684c2c129..aeaaf4280d04 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk104.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -38,9 +39,11 @@ gk104_disp = {
 	.outp.internal.lvds = nv50_sor_output_new,
 	.outp.internal.dp = gf119_sor_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = gf119_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hda_eld = gf119_hda_eld,
 	.sor.hdmi = gk104_hdmi_ctrl,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk110.c
index 72a2fc0183b3..90080c423bdc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk110.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk110.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -38,9 +39,11 @@ gk110_disp = {
 	.outp.internal.lvds = nv50_sor_output_new,
 	.outp.internal.dp = gf119_sor_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = gf119_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hda_eld = gf119_hda_eld,
 	.sor.hdmi = gk104_hdmi_ctrl,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm107.c
index b6658e22b207..12ad91b4f36c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm107.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -38,9 +39,11 @@ gm107_disp = {
 	.outp.internal.lvds = nv50_sor_output_new,
 	.outp.internal.dp = gm107_sor_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = gm107_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hda_eld = gf119_hda_eld,
 	.sor.hdmi = gk104_hdmi_ctrl,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm200.c
index e0ea05350dfb..e62488f97546 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm200.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -38,9 +39,11 @@ gm200_disp = {
 	.outp.internal.lvds = nv50_sor_output_new,
 	.outp.internal.dp = gm200_sor_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = gm200_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hda_eld = gf119_hda_eld,
 	.sor.hdmi = gk104_hdmi_ctrl,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp100.c
index 90ea05f98699..f7ba3366024a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp100.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -33,14 +34,11 @@ gp100_disp = {
 	.super = gf119_disp_super,
 	.root = &gp100_disp_root_oclass,
 	.head.new = gf119_head_new,
-	.outp.internal.crt = nv50_dac_output_new,
 	.outp.internal.tmds = nv50_sor_output_new,
 	.outp.internal.lvds = nv50_sor_output_new,
 	.outp.internal.dp = gm200_sor_dp_new,
-	.dac.nr = 3,
-	.dac.power = nv50_dac_power,
-	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = gm200_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hda_eld = gf119_hda_eld,
 	.sor.hdmi = gk104_hdmi_ctrl,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp102.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp102.c
index 722a057bc9ff..80010f2c94b2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp102.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static void
@@ -59,14 +60,11 @@ gp102_disp = {
 	.super = gf119_disp_super,
 	.root = &gp102_disp_root_oclass,
 	.head.new = gf119_head_new,
-	.outp.internal.crt = nv50_dac_output_new,
 	.outp.internal.tmds = nv50_sor_output_new,
 	.outp.internal.lvds = nv50_sor_output_new,
 	.outp.internal.dp = gm200_sor_dp_new,
-	.dac.nr = 3,
-	.dac.power = nv50_dac_power,
-	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = gm200_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hda_eld = gf119_hda_eld,
 	.sor.hdmi = gk104_hdmi_ctrl,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt200.c
index a5710ea0b244..15a2f3ce3e9c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt200.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -38,12 +39,15 @@ gt200_disp = {
 	.outp.external.tmds = nv50_pior_output_new,
 	.outp.external.dp = nv50_pior_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 2,
+	.sor.new = nv50_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hdmi = g84_hdmi_ctrl,
 	.pior.nr = 3,
+	.pior.new = nv50_pior_new,
 	.pior.power = nv50_pior_power,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt215.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt215.c
index 3c100fc617a6..e5ceba9e2ab9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt215.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt215.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 static const struct nv50_disp_func
@@ -39,13 +40,16 @@ gt215_disp = {
 	.outp.external.tmds = nv50_pior_output_new,
 	.outp.external.dp = nv50_pior_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 4,
+	.sor.new = g94_sor_new,
 	.sor.power = nv50_sor_power,
 	.sor.hda_eld = gt215_hda_eld,
 	.sor.hdmi = gt215_hdmi_ctrl,
 	.pior.nr = 3,
+	.pior.new = nv50_pior_new,
 	.pior.power = nv50_pior_power,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.c
new file mode 100644
index 000000000000..a475ea56795c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2017 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+#include "ior.h"
+
+static const char *
+nvkm_ior_name[] = {
+	[DAC] = "DAC",
+	[SOR] = "SOR",
+	[PIOR] = "PIOR",
+};
+
+struct nvkm_ior *
+nvkm_ior_find(struct nvkm_disp *disp, enum nvkm_ior_type type, int id)
+{
+	struct nvkm_ior *ior;
+	list_for_each_entry(ior, &disp->ior, head) {
+		if (ior->type == type && (id < 0 || ior->id == id))
+			return ior;
+	}
+	return NULL;
+}
+
+void
+nvkm_ior_del(struct nvkm_ior **pior)
+{
+	struct nvkm_ior *ior = *pior;
+	if (ior) {
+		IOR_DBG(ior, "dtor");
+		list_del(&ior->head);
+		kfree(*pior);
+		*pior = NULL;
+	}
+}
+
+int
+nvkm_ior_new_(const struct nvkm_ior_func *func, struct nvkm_disp *disp,
+	      enum nvkm_ior_type type, int id)
+{
+	struct nvkm_ior *ior;
+	if (!(ior = kzalloc(sizeof(*ior), GFP_KERNEL)))
+		return -ENOMEM;
+	ior->func = func;
+	ior->disp = disp;
+	ior->type = type;
+	ior->id = id;
+	snprintf(ior->name, sizeof(ior->name), "%s-%d",
+		 nvkm_ior_name[ior->type], ior->id);
+	list_add_tail(&ior->head, &disp->ior);
+	IOR_DBG(ior, "ctor");
+	return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
new file mode 100644
index 000000000000..05857fd415d1
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
@@ -0,0 +1,43 @@
+#ifndef __NVKM_DISP_IOR_H__
+#define __NVKM_DISP_IOR_H__
+#include "priv.h"
+
+struct nvkm_ior {
+	const struct nvkm_ior_func *func;
+	struct nvkm_disp *disp;
+	enum nvkm_ior_type {
+		DAC,
+		SOR,
+		PIOR,
+	} type;
+	int id;
+	char name[8];
+
+	struct list_head head;
+};
+
+struct nvkm_ior_func {
+};
+
+int nvkm_ior_new_(const struct nvkm_ior_func *func, struct nvkm_disp *,
+		  enum nvkm_ior_type type, int id);
+void nvkm_ior_del(struct nvkm_ior **);
+struct nvkm_ior *nvkm_ior_find(struct nvkm_disp *, enum nvkm_ior_type, int id);
+
+#define IOR_MSG(i,l,f,a...) do {                                               \
+	struct nvkm_ior *_ior = (i);                                           \
+	nvkm_##l(&_ior->disp->engine.subdev, "%s: "f, _ior->name, ##a);        \
+} while(0)
+#define IOR_WARN(i,f,a...) IOR_MSG((i), warn, f, ##a)
+#define IOR_DBG(i,f,a...) IOR_MSG((i), debug, f, ##a)
+
+int nv50_dac_new(struct nvkm_disp *, int);
+
+int nv50_pior_new(struct nvkm_disp *, int);
+
+int nv50_sor_new(struct nvkm_disp *, int);
+int g94_sor_new(struct nvkm_disp *, int);
+int gf119_sor_new(struct nvkm_disp *, int);
+int gm107_sor_new(struct nvkm_disp *, int);
+int gm200_sor_new(struct nvkm_disp *, int);
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
index aa7ed87825e5..bd67335d5466 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
@@ -23,6 +23,7 @@
  */
 #include "nv50.h"
 #include "head.h"
+#include "ior.h"
 #include "rootnv50.h"
 
 #include <core/client.h>
@@ -149,6 +150,24 @@ nv50_disp_new_(const struct nv50_disp_func *func, struct nvkm_device *device,
 			return ret;
 	}
 
+	for (i = 0; func->dac.new && i < func->dac.nr; i++) {
+		ret = func->dac.new(&disp->base, i);
+		if (ret)
+			return ret;
+	}
+
+	for (i = 0; func->pior.new && i < func->pior.nr; i++) {
+		ret = func->pior.new(&disp->base, i);
+		if (ret)
+			return ret;
+	}
+
+	for (i = 0; func->sor.new && i < func->sor.nr; i++) {
+		ret = func->sor.new(&disp->base, i);
+		if (ret)
+			return ret;
+	}
+
 	return nvkm_event_init(func->uevent, 1, 1 + (heads * 4), &disp->uevent);
 }
 
@@ -803,11 +822,14 @@ nv50_disp = {
 	.outp.external.tmds = nv50_pior_output_new,
 	.outp.external.dp = nv50_pior_dp_new,
 	.dac.nr = 3,
+	.dac.new = nv50_dac_new,
 	.dac.power = nv50_dac_power,
 	.dac.sense = nv50_dac_sense,
 	.sor.nr = 2,
+	.sor.new = nv50_sor_new,
 	.sor.power = nv50_sor_power,
 	.pior.nr = 3,
+	.pior.new = nv50_pior_new,
 	.pior.power = nv50_pior_power,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
index 42c2dd83fe56..06249f62747c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
@@ -80,12 +80,14 @@ struct nv50_disp_func {
 
 	struct {
 		int nr;
+		int (*new)(struct nvkm_disp *, int id);
 		int (*power)(NV50_DISP_MTHD_V1);
 		int (*sense)(NV50_DISP_MTHD_V1);
 	} dac;
 
 	struct {
 		int nr;
+		int (*new)(struct nvkm_disp *, int id);
 		int (*power)(NV50_DISP_MTHD_V1);
 		int (*hda_eld)(NV50_DISP_MTHD_V1);
 		int (*hdmi)(NV50_DISP_MTHD_V1);
@@ -94,6 +96,7 @@ struct nv50_disp_func {
 
 	struct {
 		int nr;
+		int (*new)(struct nvkm_disp *, int id);
 		int (*power)(NV50_DISP_MTHD_V1);
 	} pior;
 };
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
index cf85f8324ad4..f81ba52c8c19 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "ior.h"
 #include "nv50.h"
 
 #include <core/client.h>
@@ -119,3 +120,13 @@ nv50_pior_power(NV50_DISP_MTHD_V1)
 	disp->pior.type[outp->or] = type;
 	return 0;
 }
+
+static const struct nvkm_ior_func
+nv50_pior = {
+};
+
+int
+nv50_pior_new(struct nvkm_disp *disp, int id)
+{
+	return nvkm_ior_new_(&nv50_pior, disp, PIOR, id);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c
index 732dda513752..87b097327e29 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "ior.h"
 #include "nv50.h"
 
 #include <subdev/timer.h>
@@ -276,3 +277,13 @@ nv50_disp_dptmds_war_2(struct nv50_disp *disp, struct dcb_output *outp)
 		nvkm_wr32(device, 0x61c040 + soff + pu_pc * 4, 0x1f008000);
 	}
 }
+
+static const struct nvkm_ior_func
+g94_sor = {
+};
+
+int
+g94_sor_new(struct nvkm_disp *disp, int id)
+{
+	return nvkm_ior_new_(&g94_sor, disp, SOR, id);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
index dcdb0faaa87a..6ad8af038eae 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "ior.h"
 #include "nv50.h"
 
 void
@@ -128,3 +129,13 @@ gf119_sor_dp_new(struct nvkm_disp *disp, int index,
 {
 	return nvkm_output_dp_new_(&gf119_sor_dp_func, disp, index, dcbE, poutp);
 }
+
+static const struct nvkm_ior_func
+gf119_sor = {
+};
+
+int
+gf119_sor_new(struct nvkm_disp *disp, int id)
+{
+	return nvkm_ior_new_(&gf119_sor, disp, SOR, id);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c
index 7fcaf0378e81..590d66002c58 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs <bskeggs@redhat.com>
  */
+#include "ior.h"
 #include "nv50.h"
 
 int
@@ -51,3 +52,13 @@ gm107_sor_dp_new(struct nvkm_disp *disp, int index,
 {
 	return nvkm_output_dp_new_(&gm107_sor_dp_func, disp, index, dcbE, poutp);
 }
+
+static const struct nvkm_ior_func
+gm107_sor = {
+};
+
+int
+gm107_sor_new(struct nvkm_disp *disp, int id)
+{
+	return nvkm_ior_new_(&gm107_sor, disp, SOR, id);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
index 82b1f64b83b6..df3917cb1cb9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "ior.h"
 #include "nv50.h"
 
 #include <subdev/timer.h>
@@ -128,3 +129,13 @@ gm200_sor_magic(struct nvkm_output *outp)
 	if (outp->info.sorconf.link & 2)
 		nvkm_mask(device, 0x612388 + soff, 0x0000001f, 0x00000010 | data);
 }
+
+static const struct nvkm_ior_func
+gm200_sor = {
+};
+
+int
+gm200_sor_new(struct nvkm_disp *disp, int id)
+{
+	return nvkm_ior_new_(&gm200_sor, disp, SOR, id);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c
index 83f44170ddd3..fb43307466cd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "ior.h"
 #include "nv50.h"
 #include "outp.h"
 
@@ -77,3 +78,13 @@ nv50_sor_power(NV50_DISP_MTHD_V1)
 	);
 	return 0;
 }
+
+static const struct nvkm_ior_func
+nv50_sor = {
+};
+
+int
+nv50_sor_new(struct nvkm_disp *disp, int id)
+{
+	return nvkm_ior_new_(&nv50_sor, disp, SOR, id);
+}