On Mon, Jul 30, 2012 at 10:30 PM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote: > On Mon, Jul 30, 2012 at 4:24 PM, Luca Tettamanti <kronos.it@xxxxxxxxx> wrote: >> On Mon, Jul 30, 2012 at 10:20:15AM -0400, Alex Deucher wrote: >>> Supported DWORD Bit vector providing supported functions >>> information. Each bit marks >>> Functions Bit support for one specific function of the >>> ATIF method. Bit n, if set, >>> Vector indicates that Function n+1 is supported. >> >> Sorry, I still don't understand it... what's "Function n+1" in this >> context? >> Does this mean that if bit n is set then the function defined as >> 1 << (n+1) is supported? > > It means if bit n is set in teh supported function vector, function > n+1 is supported. E.g., if bit 1 is set, function 2 > (ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS) is supported. If bit 3 is > set function 4 (ATIF_FUNCTION_GET_LID_STATE) is supported, etc. Great, just had an epiphany ;-) "n+1" refers to the value that's passed down to ATIF, I was still thinking in terms of bitmasks... Ok, so my code is correct, BIOS is botched... meh. L _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
