[PATCH] cyber2010 framebuffer on ARM Netwinder fix
The Netwinder machines with Cyber2010 crash badly when starting Xserver.
The workaround is to disable pci burst option for this revision of video
chip.
[akpm@osdl.org: cleanup]
Signed-off-by: Woody Suwalski <woodys@xandros.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c
index aae6d9c..7a6eeda 100644
--- a/drivers/video/cyber2000fb.c
+++ b/drivers/video/cyber2000fb.c
@@ -1539,16 +1539,21 @@
/*
* Allow the CyberPro to accept PCI burst accesses
*/
- val = cyber2000_grphr(EXT_BUS_CTL, cfb);
- if (!(val & EXT_BUS_CTL_PCIBURST_WRITE)) {
- printk(KERN_INFO "%s: enabling PCI bursts\n", cfb->fb.fix.id);
+ if (cfb->id == ID_CYBERPRO_2010) {
+ printk(KERN_INFO "%s: NOT enabling PCI bursts\n", cfb->fb.fix.id);
+ } else {
+ val = cyber2000_grphr(EXT_BUS_CTL, cfb);
+ if (!(val & EXT_BUS_CTL_PCIBURST_WRITE)) {
+ printk(KERN_INFO "%s: enabling PCI bursts\n",
+ cfb->fb.fix.id);
- val |= EXT_BUS_CTL_PCIBURST_WRITE;
+ val |= EXT_BUS_CTL_PCIBURST_WRITE;
- if (cfb->id == ID_CYBERPRO_5000)
- val |= EXT_BUS_CTL_PCIBURST_READ;
+ if (cfb->id == ID_CYBERPRO_5000)
+ val |= EXT_BUS_CTL_PCIBURST_READ;
- cyber2000_grphw(EXT_BUS_CTL, val, cfb);
+ cyber2000_grphw(EXT_BUS_CTL, val, cfb);
+ }
}
return 0;