On Tuesday, April 22, 2014 7:39 AM, Ajay Kumar wrote: > > From: Andrew Bresticker <abrestic@xxxxxxxxxxxx> > > Certain bridge chips use a GPIO to indicate the cable status instead > of the I_DP_HPD pin. This adds an optional device-tree property, > "samsung,hpd-gpio", to the exynos-dp controller which indicates that > the specified GPIO should be used for hotplug detection. > The GPIO is then set up as an edge-triggered interrupt where the > rising edge indicates hotplug-in and the falling edge indicates hotplug-out. > > Signed-off-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx> > Signed-off-by: Rahul Sharma <rahul.sharma@xxxxxxxxxxx> > Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx> Acked-by: Jingoo Han <jg1.han@xxxxxxxxxxx> Best regards, Jingoo Han > --- > Changes since V1: > Address reiew comments from Jingoo Han > > .../devicetree/bindings/video/exynos_dp.txt | 4 ++ > drivers/gpu/drm/exynos/exynos_dp_core.c | 32 ++++++++++++-- > drivers/gpu/drm/exynos/exynos_dp_core.h | 1 + > drivers/gpu/drm/exynos/exynos_dp_reg.c | 44 ++++++++++++++------ > 4 files changed, 66 insertions(+), 15 deletions(-) [.....] _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel