http://bugs.freedesktop.org/show_bug.cgi?id=26926
--- Comment #8 from Alex Deucher <[email protected]> 2010-03-06 07:28:43 PST --- (In reply to comment #7) > (In reply to comment #6) > > Does UMS work ok? I suspect it's the bg/adj values for the dac. > > At least radeonhd does work fine for both DVIs. Will test radeon soon. > > Can you point me to some part of code or registers that I can compare? > > Do we really submit other data for AtomBIOS DAC-controlling commands at all? > The bg/dac adj values are golden values set in the atombios dac command tables. It might be a bug in the kms atom parser (I've fixed several of them recently) or a bad paramater passed to one of the tables, or something else completely unrelated. Make sure your kms tree has this patch: http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commitdiff;h=6a8a2d702b33c6ed5c789f21b4e89fdf221f01ca I'd suggest using avivotool to dump the regs and compare. The dac regs are at 0x7000-0x706c,0x7ef0-0x7ef8 (DAC1) and 0x7100-0x716c,0x7ff0-0x7ff8 (DAC2) the second set in each group are the dac bgadj and macro regs. -- Configure bugmail: http://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev -- _______________________________________________ Dri-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/dri-devel
