On Fri, Aug 14, 2015 at 06:18:55PM +0200, Lukas Wunner wrote: > Originally by Seth Forshee <seth.forshee@xxxxxxxxxxxxx>, 2012-10-04: > The gmux allows muxing the DDC independently from the display, so > support this functionality. This will allow reading the EDID for the > inactive GPU, fixing issues with machines that either don't have a > VBT or have invalid mode data in the VBT. > > Modified by Lukas Wunner <lukas@xxxxxxxxx>, 2015-10-07: > Advertise ->switch_ddc handler callback only on the pre-retina > Macbook Pro. The retina uses eDP and its mux is incapable of > switching the AUX channel separately from the main link. > It's an NXP CBTL06142 (alternate parts: TI HD3SS212, > Pericom PPI3VDP12412). > > Sources: > http://www.electronicproducts.com/-whatsinside_text-145.aspx > http://slideshare.net/jjwu6266/apple-2012-wwdc-apple-macbook-pro-with-retina-display > http://www.techrepublic.com/blog/cracking-open/teardown-shows-retina-macbook-pro-is-nearly-impossible-to-upgrade-difficult-to-work-on/ > > Datasheets: > http://www.nxp.com/documents/data_sheet/CBTL06141.pdf > http://www.ti.com/lit/ds/symlink/hd3ss212.pdf > https://www.pericom.com/assets/Datasheets/PI3VDP12412.pdf > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88861 > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115 > Tested-by: Lukas Wunner <lukas@xxxxxxxxx> > [MBP 9,1 2012 intel IVB + nvidia GK107 pre-retina 15"] > > Cc: Seth Forshee <seth.forshee@xxxxxxxxxxxxx> > Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx> For platform/drivers/x86: Acked-by: Darren Hart <dvhart@xxxxxxxxxxxxxxx> Daniel, I presume this will ultimately get pulled in by you with the rest of the series? -- Darren Hart Intel Open Source Technology Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
