>-----Original Message----- >From: "David Müller (ELSOFT AG)" [mailto:d.muel...@elsoft.ch] >Sent: 2009年7月2日 22:14 >To: Ma, Ling >Cc: Jesse Barnes; dri-devel@lists.sourceforge.net >Subject: Re: [Kernel 2.6.30] Only GPIOA is used as CRTDDC bus > >Ma, Ling wrote: >> We have one DG45ID board connected VGA by DVI-I port, however >> bmp_CRT_DDC_Pins from vbt is always 0x02 which means GPIOA, so we can >> not depend on the value, and have to try GPIOD or GPIOE. It only >> impact G4X series platform. > >So if i understand you correctly, the "crt_ddc_gmbus_pin" field in the >VBT is not reliable and can not be used. But this is only a problem on >G4X platforms. > Yes, on 4x series VGA and HDMI share the DDC port, the field is not reliable >What about 855GM or 945GME platforms? Can the "crt_ddc_gmbus_pin" field >use on these platforms? On those platforms they always use GPIOA, at least we don't find similar bugs. If you have some related bugs, could you please tell us?
Thanks a lot Ma Ling ------------------------------------------------------------------------------ -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
