On Thu, Oct 21, 2010 at 08:45:20PM +1000, Ben Skeggs wrote: > What value does 0x610084 contain on boot for you? > Using the attached patch (hopefully early enough on in the initialisation):
[aa...@jules ~]$ dmesg | grep NV50 [drm] nouveau 0000:01:00.0: Detected an NV50 generation card (0x0a8600a2) NV50 0x00610084: 0xa0000000 What's the relevance of this value?
--- /home/aaron/rpmbuild/BUILD/kernel-2.6.35.fc14.orig/drivers/gpu/drm/nouveau/nv50_display.c 2010-09-09 23:00:38.774029000 +0200
+++ /home/aaron/rpmbuild/BUILD/kernel-2.6.35.fc14/linux-2.6.35.x86_64/drivers/gpu/drm/nouveau/nv50_display.c 2010-10-22 11:36:32.252185209 +0200
@@ -205,6 +205,8 @@ nv50_display_init(struct drm_device *dev
NV_DEBUG_KMS(dev, "\n");
+ printk("NV50 0x00610084: 0x%08x\n", nv_rd32(dev, 0x00610084));
+
nv_wr32(dev, 0x00610184, nv_rd32(dev, 0x00614004));
/*
* I think the 0x006101XX range is some kind of main control area
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