diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2007-06-17 13:59:09 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2007-06-17 13:59:09 +0000 |
| commit | fcc9c413fbd826a46db7f895e5d99e46836078f6 (patch) | |
| tree | de8d37e04a0698481890e909182bbec66cfd8ee8 /sys | |
| parent | e98ecd1ee47c889e8c2387a3042c124d72b69294 (diff) | |
We can not consider the first sti region as always mapped, since on pci
cards it is no longer the rom image. This lets sti@pci work on non-dino
bridges.
Found by and ok kettenis@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ic/sti.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/sys/dev/ic/sti.c b/sys/dev/ic/sti.c index 84906ce8dc7..2f6787b7ba9 100644 --- a/sys/dev/ic/sti.c +++ b/sys/dev/ic/sti.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sti.c,v 1.54 2007/06/17 13:57:44 miod Exp $ */ +/* $OpenBSD: sti.c,v 1.55 2007/06/17 13:59:08 miod Exp $ */ /* * Copyright (c) 2000-2003 Michael Shalayeff @@ -373,24 +373,23 @@ sti_screen_setup(struct sti_screen *scr, bus_space_tag_t iot, STI_ENABLE_ROM(scr->scr_main); #endif - /* rom has already been mapped */ - if (p != cc->regions) { - if (bus_space_map(memt, *p, - r.length << PGSHIFT, - r.cache ? BUS_SPACE_MAP_CACHEABLE : 0, - &fbh)) { + /* skip rom if it has already been mapped */ + if (p == cc->regions && romh == bases[0]) + continue; + + if (bus_space_map(memt, *p, r.length << PGSHIFT, + r.cache ? BUS_SPACE_MAP_CACHEABLE : 0, &fbh)) { #ifdef STIDEBUG - STI_DISABLE_ROM(scr->scr_main); - printf("already mapped region\n"); - STI_ENABLE_ROM(scr->scr_main); + STI_DISABLE_ROM(scr->scr_main); + printf("already mapped region\n"); + STI_ENABLE_ROM(scr->scr_main); #endif - } else { - if (p - cc->regions == 1) { - scr->fbaddr = *p; - scr->fblen = r.length << PGSHIFT; - } - *p = fbh; + } else { + if (p - cc->regions == 1) { + scr->fbaddr = *p; + scr->fblen = r.length << PGSHIFT; } + *p = fbh; } } |