[patch] AGP: document boot options

[patch] AGP: document boot options

[Chuck Ebbert]

Add documentation for AGP boot options.

Signed-off-by: Chuck Ebbert <cebbert@redhat.com>

---
 Documentation/kernel-parameters.txt |    7 +++++++
 1 file changed, 7 insertions(+)

--- 2.6.22-git11-d390.orig/Documentation/kernel-parameters.txt
+++ 2.6.22-git11-d390/Documentation/kernel-parameters.txt
@@ -30,6 +30,7 @@ the beginning of each description states
 parameter is applicable:
 
 	ACPI	ACPI support is enabled.
+	AGP	AGP (Accelerated Graphics Port) is enabled.
 	ALSA	ALSA sound support is enabled.
 	APIC	APIC support is enabled.
 	APM	Advanced Power Management support is enabled.
@@ -227,6 +228,12 @@ and is between 256 and 4096 characters. 
 			to assume that this machine's pmtimer latches its value
 			and always returns good values.
 
+	agp=		[AGP]
+			{ off | try_unsupported }
+			off: disable AGP support
+			try_unsupported: try to drive unsupported chipsets
+				(may crash computer or cause data corruption)
+
 	enable_timer_pin_1 [i386,x86-64]
 			Enable PIN 1 of APIC timer
 			Can be useful to work around chipset bugs