Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart

[pandora-kernel.git] / arch / x86_64 / kernel / early-quirks.c

diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c
index 208e38a..49802f1 100644 (file)
--- a/arch/x86_64/kernel/early-quirks.c
+++ b/arch/x86_64/kernel/early-quirks.c
@@ -45,7 +45,13 @@ static void nvidia_bugs(void)
        /*
         * All timer overrides on Nvidia are
         * wrong unless HPET is enabled.
+        * Unfortunately that's not true on many Asus boards.
+        * We don't know yet how to detect this automatically, but
+        * at least allow a command line override.
         */
+       if (acpi_use_timer_override)
+               return;
+
        nvidia_hpet_detected = 0;
        acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
        if (nvidia_hpet_detected == 0) {
@@ -53,6 +59,8 @@ static void nvidia_bugs(void)
                printk(KERN_INFO "Nvidia board "
                       "detected. Ignoring ACPI "
                       "timer override.\n");
+               printk(KERN_INFO "If you got timer trouble "
+                       "try acpi_use_timer_override\n");
        }
 #endif
        /* RED-PEN skip them on mptables too? */
@@ -61,10 +69,23 @@ static void nvidia_bugs(void)
 
 static void ati_bugs(void)
 {
-#if 1 /* for testing */
-       printk("ATI board detected\n");
+       if (timer_over_8254 == 1) {
+               timer_over_8254 = 0;
+               printk(KERN_INFO
+               "ATI board detected. Disabling timer routing over 8254.\n");
+       }
+}
+
+static void intel_bugs(void)
+{
+       u16 device = read_pci_config_16(0, 0, 0, PCI_DEVICE_ID);
+
+#ifdef CONFIG_SMP
+       if (device == PCI_DEVICE_ID_INTEL_E7320_MCH ||
+           device == PCI_DEVICE_ID_INTEL_E7520_MCH ||
+           device == PCI_DEVICE_ID_INTEL_E7525_MCH)
+               quirk_intel_irqbalance();
 #endif
-       /* No bugs right now */
 }
 
 struct chipset {
@@ -76,6 +97,7 @@ static struct chipset early_qrk[] = {
        { PCI_VENDOR_ID_NVIDIA, nvidia_bugs },
        { PCI_VENDOR_ID_VIA, via_bugs },
        { PCI_VENDOR_ID_ATI, ati_bugs },
+       { PCI_VENDOR_ID_INTEL, intel_bugs},
        {}
 };