[AGPGART] compat ioctl

The following video card requires the agpgart driver ioctl
interface in order to detect video memory.

00:02.0 VGA compatible controller: Intel Corporation Mobile
945GM/GMS/940GML Express Integrated Graphics Controller (rev 03)

Tested on a Thinkpad Z61t, Xorg.0.log from a 32bit debian Xorg is at;

http://montezuma.homeunix.net/Xorg.0.log

Signed-off-by: Zwane Mwaikambo <zwane@infradead.org>
Signed-off-by: Dave Jones <davej@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 1d59e2a5b9aa..7fc72d12e7be 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -288,6 +288,8 @@ extern struct aper_size_info_16 agp3_generic_sizes[];
 extern int agp_off;
 extern int agp_try_unsupported_boot;
 
+long compat_agp_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+
 /* Chipset independant registers (from AGP Spec) */
 #define AGP_APBASE      0x10