On Tue, 2019-07-02 at 14:38 +0100, Emil Velikov wrote: > Hi Oleg, > > On Mon, 1 Jul 2019 at 09:00, Oleg Vasilev <oleg.vasilev@xxxxxxxxx> > wrote: > > Currently, downstream port type is only reported in debugfs. This > > information should be considered important since it reflects the > > actual > > physical connector type. Some userspace (e.g. window compositors) > > may want to show this info to a user. > > > > The 'subconnector' property is already utilized for DVI-I and TV- > > out for > > reporting connector subtype. > > > > The initial motivation for this feature came from i2c test [1]. > > It is supposed to be skipped on VGA connectors, but it cannot > > detect VGA over DP and fails instead. > > > > [1]: https://bugs.freedesktop.org/show_bug.cgi?id=104097 > > Signed-off-by: Oleg Vasilev <oleg.vasilev@xxxxxxxxx> > > --- > > drivers/gpu/drm/drm_connector.c | 38 > > +++++++++++++++++++++++++++++++-- > > drivers/gpu/drm/drm_dp_helper.c | 36 > > +++++++++++++++++++++++++++++++ > > include/drm/drm_connector.h | 2 ++ > > include/drm/drm_dp_helper.h | 3 +++ > > include/drm/drm_mode_config.h | 6 ++++++ > > include/uapi/drm/drm_mode.h | 22 ++++++++++++------- > > 6 files changed, 97 insertions(+), 10 deletions(-) > > > Can you please update other drivers to make use of this - quick grep > shows 5-10 in total. Hi, Sure, I can do this. Should I do this is a part of this series or better first get it merged, and then add support for other drivers? Oleg > if only i915 does this, then the point of making this uAPI is very > meh. > > Think user-space having per-vendor quirks for KMS. While KMS should > be > vendor agnostic. > > -Emil
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