On Wed, Apr 15, 2009 at 09:12:41AM +0800, yakui_zhao wrote: > > No, it's *correct*. In a modesetting world, i915 requires ACPI. > Why is the ACPI required by i915 when KMS is used? > It seems that we still can use the KMS with ACPI disabled. > In such case it is unnecessary to load the acpi video driver. You can, but things will break. > In fact what I have done is to weaken the tight dependency. When the > i915 driver is compiled as built-in and the acpi video is compiled as > module, the kernel compilation will be OK. > Before the acpi video driver is loaded, the system is still OK > except that there is no backlight control. I know that that's what you've done. I just don't think it's useful. Weakening the dependency means that you're driving the hardware outside of its design parameters, and I really don't see any reason to do that. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
