Module Name: src
Committed By: riastradh
Date: Thu Nov 15 06:53:58 UTC 2018
Modified Files:
src/sys/external/bsd/drm2/pci: drm_pci.c
Log Message:
Don't try to interpret the second half of a 64-bit BAR as another one.
>From msaitoh@.
To generate a diff of this commit:
cvs rdiff -u -r1.31 -r1.32 src/sys/external/bsd/drm2/pci/drm_pci.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/pci/drm_pci.c
diff -u src/sys/external/bsd/drm2/pci/drm_pci.c:1.31 src/sys/external/bsd/drm2/pci/drm_pci.c:1.32
--- src/sys/external/bsd/drm2/pci/drm_pci.c:1.31 Tue Aug 28 03:41:39 2018
+++ src/sys/external/bsd/drm2/pci/drm_pci.c Thu Nov 15 06:53:58 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: drm_pci.c,v 1.31 2018/08/28 03:41:39 riastradh Exp $ */
+/* $NetBSD: drm_pci.c,v 1.32 2018/11/15 06:53:58 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: drm_pci.c,v 1.31 2018/08/28 03:41:39 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: drm_pci.c,v 1.32 2018/11/15 06:53:58 riastradh Exp $");
#include <sys/types.h>
#include <sys/errno.h>
@@ -106,6 +106,14 @@ drm_pci_attach(device_t self, const stru
continue;
}
+ /*
+ * If it's a 64-bit mapping, don't interpret the second
+ * half of it as another BAR in the next iteration of
+ * the loop -- move on to the next unit.
+ */
+ if (PCI_MAPREG_MEM_TYPE(type) == PCI_MAPREG_MEM_TYPE_64BIT)
+ unit++;
+
/* Inquire about it. We'll map it in drm_legacy_ioremap. */
if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, reg, type,
&bm->bm_base, &bm->bm_size, &bm->bm_flags) != 0) {
