Attachment 152460 Details for Bug 230524 – Kernel drm patch for AGP aperture size w/ Radeon

[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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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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Attachments on bug 230524: 148993 | 148994 | 148995 | 148996 | 149431 | 149432 | 149547 | 149548 | 149549 | 149550 | 149581 | 149582 | 152460