[RESEND] nouveau regression 3.19: unable to load BIOS from ACPI

Hi Ben, Since 3.19 the NV BIOS can no longer be loaded via ACPI. This breaks my HP laptop. Looking at the recent changes (ad4a3626 split out shadow methods) in the bios shadow code, I think this happens: - nvbios_shadow loops over all possible bios sources - shadow_method - shadow_score - shad

nouveau regression 3.19: unable to load BIOS from ACPI

Hi Ben, Since 3.19 the NV BIOS can no longer be loaded via ACPI. This breaks my HP laptop. Looking at the recent changes (ad4a3626 split out shadow methods) in the bios shadow code, I think this happens: - nvbios_shadow loops over all possible bios sources - shadow_method - shadow_score - shad