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Red Hat Bugzilla – Attachment 152460 Details for
Bug 230524
Machine freezes when trying to start X using radeon driver and 9800XT
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[patch]
Kernel drm patch for AGP aperture size w/ Radeon
linux-2.6-drm-radeon.patch (text/plain), 1.12 KB, created by
Ray Van Dolson
on 2007-04-12 15:08:00 UTC
(
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Description:
Kernel drm patch for AGP aperture size w/ Radeon
Filename:
MIME Type:
Creator:
Ray Van Dolson
Created:
2007-04-12 15:08:00 UTC
Size:
1.12 KB
patch
obsolete
>diff -uNr linux-2.6.20.orig/drivers/char/drm/radeon_cp.c linux-2.6.20/drivers/char/drm/radeon_cp.c >--- linux-2.6.20.orig/drivers/char/drm/radeon_cp.c 2007-02-04 10:44:54.000000000 -0800 >+++ linux-2.6.20/drivers/char/drm/radeon_cp.c 2007-04-12 00:29:02.000000000 -0700 >@@ -1560,8 +1560,8 @@ > if (dev_priv->flags & RADEON_IS_AGP) { > base = dev->agp->base; > /* Check if valid */ >- if ((base + dev_priv->gart_size) > dev_priv->fb_location && >- base < (dev_priv->fb_location + dev_priv->fb_size)) { >+ if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location && >+ base < (dev_priv->fb_location + dev_priv->fb_size - 1)) { > DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n", > dev->agp->base); > base = 0; >@@ -1571,8 +1571,8 @@ > /* If not or if AGP is at 0 (Macs), try to put it elsewhere */ > if (base == 0) { > base = dev_priv->fb_location + dev_priv->fb_size; >- if (((base + dev_priv->gart_size) & 0xfffffffful) >- < base) >+ if (base < dev_priv->fb_location || >+ ((base + dev_priv->gart_size) & 0xfffffffful) < base) > base = dev_priv->fb_location > - dev_priv->gart_size; > }
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