On Thu, Jan 15, 2009 at 3:10 PM, Alex Villacís Lasso <[email protected]> wrote: > I am trying to enable I/O port tracing on current xserver head in my home > machine (Linux 2.6.28 on x86 Pentium 4 32-bits, ProSavageDDR-K as primary > card, Oak OTI64111 as secondary card) in order to learn about the register > initialization for the video BIOS of both the Savage and the Oak chipsets: > > * For savage, I want to eventually see the POST port accesses as they occur > in VESA, so that the current driver can do the same port enabling on the > case of a savage as secondary card. Currently, the xorg driver can > initialize a secondary savage without BIOS (but see below for caveat), but > the colors are washed out and horrible artifacts appear on any attempt to > accelerate operations. Same issue happens with the savagefb kernel > framebuffer driver. > * For oak, I want to peek at the register initialization for mode switching > in VESA, in order to have better understanding towards writing a driver for > the chipset.
http://people.freedesktop.org/~airlied/xresprobe-mjg59-0.4.21.tar.gz This will dump io accesses when you execute bios code using the included x86 emulator. Alex _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
