On Fri, Oct 30, 2015 at 09:09:15AM +0800, Yakir Yang wrote: > Some edp screen do not have hpd signal, so we can't just return > failed when hpd plug in detect failed. > > This is an hardware property, so we need add a devicetree property > "analogix,need-force-hpd" to indicate this sutiation. > > Tested-by: Heiko Stuebner <heiko@xxxxxxxxx> > Tested-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> > Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx> > --- I didn't find this one in v10. Did it get dropped? > Changes in v9: None > Changes in v8: None > Changes in v7: None > Changes in v6: None > Changes in v5: None > Changes in v4: None > Changes in v3: > - Add "analogix,need-force-hpd" to indicate whether driver need foce > hpd when hpd detect failed. > > Changes in v2: None > > .../bindings/display/bridge/analogix_dp.txt | 4 ++- > .../bindings/display/exynos/exynos_dp.txt | 1 + > .../display/rockchip/analogix_dp-rockchip.txt | 1 + > drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 36 +++++++++++++++++++--- > drivers/gpu/drm/bridge/analogix/analogix_dp_core.h | 2 ++ > drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 9 ++++++ > 6 files changed, 47 insertions(+), 6 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt b/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt > index 7659a7a..74f0e80 100644 > --- a/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt > +++ b/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt > @@ -22,6 +22,9 @@ Required properties for dp-controller: > from general PHY binding: Should be "dp". > > Optional properties for dp-controller: > + -analogix,need-force-hpd: > + Indicate driver need force hpd when hpd detect failed, this > + is used for some eDP screen which don't have hpd signal. This should be a generic property. Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
