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authorYakir Yang <ykk@rock-chips.com>2016-02-15 19:11:15 +0800
committerYakir Yang <ykk@rock-chips.com>2016-04-05 10:13:07 +0800
commit5cff007c58b7103a7d6bb203a74eb3eb416c10e0 (patch)
tree87449e8a7ab7125949f8cc07defb17ced9965f06 /Documentation/devicetree/bindings/display/rockchip
parent0d0abd894ead85d20d7febe603f570d4fdd8111a (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/rockchip')
-rw-r--r--Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
index 04d99e31e703..e832ff98fd61 100644
--- a/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
@@ -32,6 +32,7 @@ For the below properties, please refer to Analogix DP binding document:
- phys (required)
- phy-names (required)
- hpd-gpios (optional)
+- force-hpd (optional)
-------------------------------------------------------------------------------
Example: