On Wed, Feb 24, 2016 at 06:48:35PM +0100, Tore Anderson wrote: > Hi Ville, > > > Well, just to check the details of your particular cable/dongle, > > maybe you can post the dmesg with drm.debug=0xe with my branch? > > Or at least the parts that refer to DP dual mode adaptors. > > Here: http://filebin.net/gd91wnltky/dmesg.4.5.0-rc4-g32fa589.txt > > I'm assuming the most important parts are: > > [drm:intel_hdmi_dp_dual_mode_detect] DP dual mode adaptor (type 1 HDMI) detected (max TMDS clock: 165000 kHz, TMDS OE# control: no) > [drm:intel_hdmi_compute_config] picking bpc to 8 for HDMI output > > For the record, I'd call my adapter a «cable» and not a «dongle». I had > thought it was completely passive; if there's any active circuitry > inside it it must be really tiny - it'd have to fit inside the rather > standard-sized HDMI/DP connectors in the ends. Yeah, the chips used for this stuff are pretty small. I had one dongle fry itself a while back, so I pulled it apart and found a PS8121E chip inside it (with a number of other mostly passive components). -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
