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2 commits

Author SHA1 Message Date
Hans Verkuil
ea5569ecd6 drm_dp_cec.c: fix formatting typo: %pdH -> %phD 
This caused a kernel oops since %pdH interpreted the pointer
as a struct file.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f3720ddf-ec0f-cd22-46b6-720a5e2098f2@xs4all.nl
 2018-07-28 15:50:40 -03:00
Hans Verkuil
2c6d1fffa1 drm: add support for DisplayPort CEC-Tunneling-over-AUX 
This adds support for the DisplayPort CEC-Tunneling-over-AUX
feature that is part of the DisplayPort 1.3 standard.

Unfortunately, not all DisplayPort/USB-C to HDMI adapters with a
chip that has this capability actually hook up the CEC pin, so
even though a CEC device is created, it may not actually work.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180711132909.25409-2-hverkuil@xs4all.nl
 2018-07-13 17:58:19 +03:00