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authorMatthew Wilcox <willy@parisc-linux.org>2006-01-10 20:47:53 -0500
committerKyle McMartin <kyle@duet.int.mcmartin.ca>2006-01-10 21:51:33 -0500
commita01c8cb126cb5f5a592f01b08ff8859508c75ba1 (patch)
treeb91f00dbfc10ac140818e869bfc8eb383f1c4234 /arch/parisc/kernel
parente0565a1c83a1045d8fae728056082262e712b201 (diff)
downloadlinux-a01c8cb126cb5f5a592f01b08ff8859508c75ba1.tar.gz
[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/kernel')
-rw-r--r--arch/parisc/kernel/drivers.c11
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]);
 	}