From 21a5ace0bfb737d65e6d345ccf3d63fdee141f98 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 31 Jan 2013 09:04:48 +1000
Subject: drm/nouveau/disp/nv04: implement a base display object class

Will be used for upcoming vblank event interfaces.

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

diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c
index 1c919f2..6eaf725 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c
@@ -23,6 +23,7 @@
  */
 
 #include <engine/disp.h>
+#include <core/class.h>
 
 struct nv04_disp_priv {
 	struct nouveau_disp base;
@@ -30,6 +31,7 @@ struct nv04_disp_priv {
 
 static struct nouveau_oclass
 nv04_disp_sclass[] = {
+	{ NV04_DISP_CLASS, &nouveau_object_ofuncs },
 	{},
 };
 
diff --git a/drivers/gpu/drm/nouveau/core/include/core/class.h b/drivers/gpu/drm/nouveau/core/include/core/class.h
index 47c4b3a..994a280 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/class.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/class.h
@@ -154,6 +154,14 @@ struct nve0_channel_ind_class {
 	u32 engine;
 };
 
+/* 0046: NV04_DISP
+ */
+
+#define NV04_DISP_CLASS                                              0x00000046
+
+struct nv04_display_class {
+};
+
 /* 5070: NV50_DISP
  * 8270: NV84_DISP
  * 8370: NVA0_DISP
diff --git a/drivers/gpu/drm/nouveau/nv04_display.c b/drivers/gpu/drm/nouveau/nv04_display.c
index 2cd6fb8..edc3156 100644
--- a/drivers/gpu/drm/nouveau/nv04_display.c
+++ b/drivers/gpu/drm/nouveau/nv04_display.c
@@ -22,6 +22,9 @@
  * Author: Ben Skeggs
  */
 
+#include <core/object.h>
+#include <core/class.h>
+
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 
@@ -71,6 +74,11 @@ nv04_display_create(struct drm_device *dev)
 
 	nouveau_hw_save_vga_fonts(dev, 1);
 
+	ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE, 0xd1500000,
+				 NV04_DISP_CLASS, NULL, 0, &disp->core);
+	if (ret)
+		return ret;
+
 	nv04_crtc_create(dev, 0);
 	if (nv_two_heads(dev))
 		nv04_crtc_create(dev, 1);
diff --git a/drivers/gpu/drm/nouveau/nv04_display.h b/drivers/gpu/drm/nouveau/nv04_display.h
index 4532280..a0a031d 100644
--- a/drivers/gpu/drm/nouveau/nv04_display.h
+++ b/drivers/gpu/drm/nouveau/nv04_display.h
@@ -80,6 +80,7 @@ struct nv04_display {
 	struct nv04_mode_state saved_reg;
 	uint32_t saved_vga_font[4][16384];
 	uint32_t dac_users[4];
+	struct nouveau_object *core;
 };
 
 static inline struct nv04_display *
-- 
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