Hi 2012/11/1 Daniel Vetter <daniel at ffwll.ch>: > On Thu, Nov 1, 2012 at 4:52 PM, Paulo Zanoni <przanoni at gmail.com> wrote: >> The only problem is: we're not doing anything here for the >> HAS_PCH_SPLIT platforms. Shouldn't we be doing something? We do have >> eDP code to set the PCH_PP registers, but not LVDS code for this. >> Also, each encoder probably needs different values. >> >> So my suggestion would be: apply this patch (since it fixes a problem) >> and then, in the future, maybe, move this code to the encoder-specific >> callbacks, and also consider the HAS_PCH_SPLIT + LVDS case. > > It's even worse than that: This code is also run on ums setups, so > potentially we could break some old setups here ... I certainly understand how the suggestion I made may break the UMS setup, so I really think we can "drop" my suggestion, but I see no reason to drop the original patch, since it just avoids writing a register that does not exist (giving us less error messages on Haswell). Maybe this patch was just forgotten? > -Daniel > -- > Daniel Vetter > Software Engineer, Intel Corporation > +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- Paulo Zanoni