diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2001-09-13 13:38:46 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2001-09-13 13:38:46 +0000 |
| commit | fdccb07cb124472b243fb2484c4927cbc5730f88 (patch) | |
| tree | a2ee4600c86c6b852ce3e9862a5ce0a5a8a622df /sys/arch | |
| parent | c77741a4e88b4c6e606701d061582b537e971123 (diff) | |
The vgafb driver does not test memory, so no point mapping it during the probe.
Also, there is no point in mapping more than the 'visual' area for vga memory.
this will save kvm space on large memory display cards.
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/macppc/pci/vgafb.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sys/arch/macppc/pci/vgafb.c b/sys/arch/macppc/pci/vgafb.c index 788bc3569ae..56c0a21db94 100644 --- a/sys/arch/macppc/pci/vgafb.c +++ b/sys/arch/macppc/pci/vgafb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vgafb.c,v 1.1 2001/09/01 15:55:17 drahn Exp $ */ +/* $OpenBSD: vgafb.c,v 1.2 2001/09/13 13:38:45 drahn Exp $ */ /* $NetBSD: vga.c,v 1.3 1996/12/02 22:24:54 cgd Exp $ */ /* @@ -166,11 +166,11 @@ vgafb_common_probe(iot, memt, iobase, iosize, membase, memsize, mmiobase, mmiosi membase, memsize, memt); #endif +#if 0 if (bus_space_map(memt, membase, memsize, 0, &memh)) goto bad; gotmem = 1; -#if 0 /* CR1 - Horiz. Display End */ bus_space_write_1(iot, ioh_d, 4, 0x1); width = bus_space_read_1(iot, ioh_d, 5); @@ -183,14 +183,14 @@ vgafb_common_probe(iot, memt, iobase, iosize, membase, memsize, mmiobase, mmiosi } #endif - #if 0 +#if 0 vgadata = bus_space_read_2(memt, memh, 0); bus_space_write_2(memt, memh, 0, 0xa55a); rv = (bus_space_read_2(memt, memh, 0) == 0xa55a); bus_space_write_2(memt, memh, 0, vgadata); - #else +#else rv = 1; - #endif +#endif bad: @@ -235,6 +235,8 @@ vgafb_common_setup(iot, memt, vc, iobase, iosize, membase, memsize, mmiobase, mm #if 0 printf("commons setup mapping mem base %x size %x\n", membase, memsize); #endif + /* memsize should only be visable region for console */ + memsize = cons_height * cons_linebytes; if (bus_space_map(vc->vc_memt, membase, memsize, 0, &vc->vc_memh)) panic("vgafb_common_setup: couldn't map memory"); cons_display_mem_h = vc->vc_memh; |