diff options
| author | Yakir Yang <ykk@rock-chips.com> | 2016-02-15 19:11:15 +0800 |
|---|---|---|
| committer | Yakir Yang <ykk@rock-chips.com> | 2016-04-05 10:13:07 +0800 |
| commit | 5cff007c58b7103a7d6bb203a74eb3eb416c10e0 (patch) | |
| tree | 87449e8a7ab7125949f8cc07defb17ced9965f06 /Documentation/devicetree/bindings/display/bridge/analogix_dp.txt | |
| parent | 0d0abd894ead85d20d7febe603f570d4fdd8111a (diff) | |
drm: bridge: analogix/dp: try force hpd after plug in lookup failed
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.
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Caesar Wang <wxt@rock-chips.com>
Tested-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Diffstat (limited to 'Documentation/devicetree/bindings/display/bridge/analogix_dp.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/display/bridge/analogix_dp.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt b/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt index 7659a7a96d56..4f2ba8c13d92 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: + -force-hpd: + Indicate driver need force hpd when hpd detect failed, this + is used for some eDP screen which don't have hpd signal. -hpd-gpios: Hotplug detect GPIO. Indicates which GPIO should be used for hotplug detection @@ -31,7 +34,6 @@ Optional properties for dp-controller: * Documentation/devicetree/bindings/display/exynos/exynos_dp.txt * Documentation/devicetree/bindings/video/analogix_dp-rockchip.txt - [1]: Documentation/devicetree/bindings/media/video-interfaces.txt ------------------------------------------------------------------------------- |