[src/trunk]: src/sys/dev/wsfb Prefer printing the framebuffer's PA instead of...

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

details:   https://anonhg.NetBSD.org/src/rev/ceb0ea1d48e4
branches:  trunk
changeset: 1017950:ceb0ea1d48e4
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Jan 17 00:23:38 2021 +0000

description:
Prefer printing the framebuffer's PA instead of VA. It's much more useful..

diffstat:

 sys/dev/wsfb/genfb.c |  16 +++++++++++++---
 1 files changed, 13 insertions(+), 3 deletions(-)

diffs (53 lines):

diff -r c172d481ac80 -r ceb0ea1d48e4 sys/dev/wsfb/genfb.c
--- a/sys/dev/wsfb/genfb.c      Sun Jan 17 00:18:28 2021 +0000
+++ b/sys/dev/wsfb/genfb.c      Sun Jan 17 00:23:38 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: genfb.c,v 1.78 2020/10/19 01:08:06 rin Exp $ */
+/*     $NetBSD: genfb.c,v 1.79 2021/01/17 00:23:38 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2007 Michael Lorenz
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.78 2020/10/19 01:08:06 rin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.79 2021/01/17 00:23:38 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -41,6 +41,8 @@
 #include <sys/kmem.h>
 #include <sys/reboot.h>
 
+#include <uvm/uvm_extern.h>
+
 #include <dev/wscons/wsconsio.h>
 #include <dev/wscons/wsdisplayvar.h>
 #include <dev/rasops/rasops.h>
@@ -214,6 +216,7 @@
        struct wsemuldisplaydev_attach_args aa;
        prop_dictionary_t dict;
        struct rasops_info *ri;
+       paddr_t fb_phys;
        uint16_t crow;
        long defattr;
        bool console;
@@ -231,9 +234,16 @@
            == false)
                sc->sc_want_clear = true;
 
+       fb_phys = (paddr_t)sc->sc_fboffset;
+       if (fb_phys == 0) {
+               KASSERT(sc->sc_fbaddr != NULL);
+               (void)pmap_extract(pmap_kernel(), (vaddr_t)sc->sc_fbaddr,
+                   &fb_phys);
+       }
+
        aprint_verbose_dev(sc->sc_dev, "framebuffer at %p, size %dx%d, depth %d, "
            "stride %d\n",
-           sc->sc_fboffset ? (void *)(intptr_t)sc->sc_fboffset : sc->sc_fbaddr,
+           fb_phys ? (void *)(intptr_t)fb_phys : sc->sc_fbaddr,
            sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride);
 
        sc->sc_defaultscreen_descr = (struct wsscreen_descr){