On Thu, Sep 3, 2015 at 3:47 AM, Thierry Reding <treding at nvidia.com> wrote: > On Wed, Sep 02, 2015 at 03:17:57PM -0500, Rob Herring wrote: > [...] >> Are there any eDP panels which don't have EDID and need panel details in DT? > > Most panels need information other than EDID. They typically have some > requirements regarding the power up sequence that aren't to be found > anywhere in EDID or detectable by some other mechanism. A decision was > therefore made a long time ago to require panels to be listed in DT with > a specific compatible string. That way all of these details can be > stashed away in drivers that know how to deal with these kinds of > details. I guess I was being hopeful that eDP was improving that situation. Rob
