[src/riastradh-drm2]: src/sys/external/bsd/drm2/i915drm Kludgey attempt to fi...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ebb29b31a575
branches:  riastradh-drm2
changeset: 788646:ebb29b31a575
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Mar 05 22:17:59 2014 +0000

description:
Kludgey attempt to fill in intel_gtt stubs.

diffstat:

 sys/external/bsd/drm2/i915drm/intel_gtt.c |  25 ++++++++++++++++++++++---
 1 files changed, 22 insertions(+), 3 deletions(-)

diffs (48 lines):

diff -r 80efabf3b242 -r ebb29b31a575 sys/external/bsd/drm2/i915drm/intel_gtt.c
--- a/sys/external/bsd/drm2/i915drm/intel_gtt.c Wed Mar 05 15:08:00 2014 +0000
+++ b/sys/external/bsd/drm2/i915drm/intel_gtt.c Wed Mar 05 22:17:59 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: intel_gtt.c,v 1.1.2.1 2013/09/08 15:52:20 riastradh Exp $      */
+/*     $NetBSD: intel_gtt.c,v 1.1.2.2 2014/03/05 22:17:59 riastradh Exp $      */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -32,17 +32,36 @@
 /* Intel GTT stubs */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: intel_gtt.c,v 1.1.2.1 2013/09/08 15:52:20 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: intel_gtt.c,v 1.1.2.2 2014/03/05 22:17:59 riastradh Exp $");
+
+#include <sys/types.h>                 /* XXX pcivar.h needs...@!&#^  */
+
+#include <dev/pci/pcivar.h>            /* XXX agpvar.h needs...  */
+#include <dev/pci/agpvar.h>
+#include <dev/pci/agp_i810var.h>
 
 #include "drm/intel-gtt.h"
 
 bool
 intel_enable_gtt(void)
 {
-       return false;
+
+       /*
+        * The agp_i810 initialization code already enables the GTT, as
+        * far as I can tell.
+        *
+        * XXX That might not be correct.
+        */
+       return (agp_i810_sc != NULL);
 }
 
 void
 intel_gtt_chipset_flush(void)
 {
+
+       /*
+        * XXX If the Linux code is any indication, this is not
+        * sufficient...but it'll probably do for now.
+        */
+       agp_flush_cache();
 }