From 2cf7ad0d9b2f265537c7030c6f93b4275cb2d051 Mon Sep 17 00:00:00 2001
From: Stephane Marchesin <marchesin@icps.u-strasbg.fr>
Date: Thu, 15 Nov 2007 03:43:22 +0100
Subject: [PATCH] nouveau: Copy the PPC bios to RAMIN on init, that lets us do
 proper output detection in user space.

---
 shared-core/nouveau_state.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/shared-core/nouveau_state.c b/shared-core/nouveau_state.c
index 35042cd6..57ae9243 100644
--- a/shared-core/nouveau_state.c
+++ b/shared-core/nouveau_state.c
@@ -285,6 +285,9 @@ nouveau_card_init(struct drm_device *dev)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_engine *engine;
 	int ret;
+#if defined(__powerpc__)
+	struct device_node *dn;
+#endif
 
 	DRM_DEBUG("prev state = %d\n", dev_priv->init_state);
 
@@ -304,6 +307,22 @@ nouveau_card_init(struct drm_device *dev)
 	DRM_MEMORYBARRIER();
 #endif
 
+#if defined(__powerpc__)
+	/* if we have an OF card, copy vbios to RAMIN */
+	dn = pci_device_to_OF_node(dev->pdev);
+	if (dn)
+	{
+		int size; 
+		const uint32_t *bios = of_get_property(dn, "NVDA,BMP", &size);
+		if (bios)
+		{
+			int i;
+			for(i=0;i<size;i+=4)
+				NV_WI32(i, bios[i/4]);
+		}
+	}
+#endif
+
 	/* Determine exact chipset we're running on */
 	if (dev_priv->card_type < NV_10)
 		dev_priv->chipset = dev_priv->card_type;
-- 
2.11.0