Commit bc89086f authored by Dave Jones's avatar Dave Jones Committed by Dave Jones

[AGPGART] SiS 746 chipset also needs extra recovery time when changing mode.

parent 87e76353
......@@ -93,9 +93,13 @@ static void sis_648_enable(u32 mode)
pci_write_config_dword(device, agp + PCI_AGP_COMMAND, command);
if(device->device == PCI_DEVICE_ID_SI_648) {
// weird: on 648 and 648fx chipsets any rate change in the target command register
// triggers a 5ms screwup during which the master cannot be configured
/*
* Weird: on 648(fx) and 746(fx) chipsets any rate change in the target
* command register triggers a 5ms screwup during which the master
* cannot be configured
*/
if (device->device == PCI_DEVICE_ID_SI_648 ||
device->device == PCI_DEVICE_ID_SI_746) {
printk(KERN_INFO PFX "sis 648 agp fix - giving bridge time to recover\n");
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout (1+(HZ*10)/1000);
......
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