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authorriastradh <riastradh@NetBSD.org>2022-07-17 10:10:45 +0000
committerriastradh <riastradh@NetBSD.org>2022-07-17 10:10:45 +0000
commit8e68ab3fff3f026628e5580b878ead0ced7a6700 (patch)
treed1fb782d49cb6dedb176f92f913078dd597a0598 /sys/dev
parent08dbba5b2c6ab79a638e6af47f7018539ef525e8 (diff)
agp(4): Use bus_space_barrier, not membar_producer.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/pci/agp_i810.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/dev/pci/agp_i810.c b/sys/dev/pci/agp_i810.c
index 4a6313b8c2e..adfb5716d4a 100644
--- a/sys/dev/pci/agp_i810.c
+++ b/sys/dev/pci/agp_i810.c
@@ -1,4 +1,4 @@
-/* $NetBSD: agp_i810.c,v 1.124 2019/11/10 21:16:36 chs Exp $ */
+/* $NetBSD: agp_i810.c,v 1.125 2022/07/17 10:10:45 riastradh Exp $ */
/*-
* Copyright (c) 2000 Doug Rabson
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: agp_i810.c,v 1.124 2019/11/10 21:16:36 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: agp_i810.c,v 1.125 2022/07/17 10:10:45 riastradh Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -173,7 +173,8 @@ agp_i810_post_gtt_entry(struct agp_i810_softc *isc, off_t off)
* read, because I don't have enough time or hardware to
* conduct conclusive tests.
*/
- membar_producer();
+ bus_space_barrier(isc->gtt_bst, isc->gtt_bsh, 0, isc->gtt_size,
+ BUS_SPACE_BARRIER_WRITE);
(void)bus_space_read_4(isc->gtt_bst, isc->gtt_bsh,
4*(off >> AGP_PAGE_SHIFT));
}