Commit cd792aa8 authored by Woody Suwalski's avatar Woody Suwalski Committed by Linus Torvalds

[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: default avatarWoody 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3a099102
...@@ -1539,16 +1539,21 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb) ...@@ -1539,16 +1539,21 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb)
/* /*
* Allow the CyberPro to accept PCI burst accesses * Allow the CyberPro to accept PCI burst accesses
*/ */
val = cyber2000_grphr(EXT_BUS_CTL, cfb); if (cfb->id == ID_CYBERPRO_2010) {
if (!(val & EXT_BUS_CTL_PCIBURST_WRITE)) { printk(KERN_INFO "%s: NOT enabling PCI bursts\n", cfb->fb.fix.id);
printk(KERN_INFO "%s: 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) if (cfb->id == ID_CYBERPRO_5000)
val |= EXT_BUS_CTL_PCIBURST_READ; val |= EXT_BUS_CTL_PCIBURST_READ;
cyber2000_grphw(EXT_BUS_CTL, val, cfb); cyber2000_grphw(EXT_BUS_CTL, val, cfb);
}
} }
return 0; return 0;
......
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