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Leave the bottom 64kb of RAMIN untouched.

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The binary driver will screw up either it's init or shutdown, leaving the
screen(s) in an unusable state without this.  Something important in there?
This commit is contained in:
Ben Skeggs 2006-11-06 05:46:03 +11:00
parent 94ab96c4d8
commit 0c34d0f31a
1 changed files with 6 additions and 2 deletions
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8
shared-core/nouveau_object.c
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@ -302,8 +302,12 @@ void nouveau_hash_table_init(drm_device_t* dev)
dev_priv->objs.inst_bmap = drm_calloc dev_priv->objs.inst_bmap = drm_calloc
(1, dev_priv->objs.num_instance/32, DRM_MEM_DRIVER); (1, dev_priv->objs.num_instance/32, DRM_MEM_DRIVER);
/* clear all of RAMIN */ /* clear all of RAMIN
for (i=0x00700000; i<0x00800000; i+=4) * NOTE: except the bottom 0x10000 bytes, the binary driver doesn't
* like this and will die either sometime during init, or during
* shutdown - leaving the screen in an unusable state...
*/
for (i=0x00710000; i<0x00800000; i+=4)
NV_WRITE(i, 0x00000000); NV_WRITE(i, 0x00000000);
} }