On Wed, 2013-09-11 at 11:45 +0300, Jani Nikula wrote: > Before plunging forward, have you observed any difference between the > boot modes? We have reports [1] that the backlight behaviour is > different with UEFI vs. UEFI+CSM or legacy boot. So I'm wondering if the > acpi_gbl_osi_data >= ACPI_OSI_WIN_8 check in patch 2/2 is the whole > story. > > Further, if we tell the BIOS we're Windows 8 to use the tested BIOS code > paths, what guarantees do we have of UEFI+CSM or legacy boots working? We have no evidence of Windows behaving differently based on the exposed firmware type. -- Matthew Garrett {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I