diff options
| author | Matthew Wilcox <willy@parisc-linux.org> | 2006-01-10 20:47:53 -0500 |
|---|---|---|
| committer | Kyle McMartin <kyle@duet.int.mcmartin.ca> | 2006-01-10 21:51:33 -0500 |
| commit | a01c8cb126cb5f5a592f01b08ff8859508c75ba1 (patch) | |
| tree | b91f00dbfc10ac140818e869bfc8eb383f1c4234 /arch/parisc | |
| parent | e0565a1c83a1045d8fae728056082262e712b201 (diff) | |
| download | lwn-a01c8cb126cb5f5a592f01b08ff8859508c75ba1.tar.gz lwn-a01c8cb126cb5f5a592f01b08ff8859508c75ba1.zip | |
[PARISC] Fix GSC graphics cards with 64MB regions
Make knapps work with its 64MB gfx card. I probably just broke another
machine in the process, but assuming 64MB when 64MB aligned is probably
safer than assuming 32MB all the time.
Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/kernel/drivers.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index 041524d24ef1..1eaa0d37f677 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -515,8 +515,13 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path) (iodc_data[5] << 8) | iodc_data[6]; dev->hpa.name = parisc_pathname(dev); dev->hpa.start = hpa; - if (hpa == 0xf4000000 || hpa == 0xf6000000 || - hpa == 0xf8000000 || hpa == 0xfa000000) { + /* This is awkward. The STI spec says that gfx devices may occupy + * 32MB or 64MB. Unfortunately, we don't know how to tell whether + * it's the former or the latter. Assumptions either way can hurt us. + */ + if (hpa == 0xf4000000 || hpa == 0xf8000000) { + dev->hpa.end = hpa + 0x03ffffff; + } else if (hpa == 0xf6000000 || hpa == 0xfa000000) { dev->hpa.end = hpa + 0x01ffffff; } else { dev->hpa.end = hpa + 0xfff; @@ -834,7 +839,7 @@ static void print_parisc_device(struct parisc_device *dev) if (dev->num_addrs) { int k; - printk(", additional addresses: "); + printk(", additional addresses: "); for (k = 0; k < dev->num_addrs; k++) printk("0x%lx ", dev->addr[k]); } |