| From dfc05dde5ec024d309bcc4e334d01b8b77899bb5 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Tue, 23 Mar 2021 19:55:34 -0700 |
| Subject: arm64: dts: qcom: trogdor: Add no-hpd to DSI bridge node |
| |
| From: Stephen Boyd <swboyd@chromium.org> |
| |
| [ Upstream commit 5f551b5ce55575b14c26933fe9b49365ea246b3d ] |
| |
| We should indicate that we're not using the HPD pin on this device, per |
| the binding document. Otherwise if code in the future wants to enable |
| HPD in the bridge when this property is absent we'll be wasting power |
| powering hpd when we don't use it on trogdor boards. We didn't notice |
| this before because the kernel driver blindly disables hpd, but that |
| won't be true for much longer. |
| |
| Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| Reviewed-by: Douglas Anderson <dianders@chromium.org> |
| Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> |
| Cc: Douglas Anderson <dianders@chromium.org> |
| Fixes: 7ec3e67307f8 ("arm64: dts: qcom: sc7180-trogdor: add initial trogdor and lazor dt") |
| Signed-off-by: Stephen Boyd <swboyd@chromium.org> |
| Link: https://lore.kernel.org/r/20210324025534.1837405-1-swboyd@chromium.org |
| Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 2 ++ |
| 1 file changed, 2 insertions(+) |
| |
| diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi |
| index b8f7cf5cbdab..96914a307ba1 100644 |
| --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi |
| +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi |
| @@ -597,6 +597,8 @@ edp_brij_i2c: &i2c2 { |
| clocks = <&rpmhcc RPMH_LN_BB_CLK3>; |
| clock-names = "refclk"; |
| |
| + no-hpd; |
| + |
| ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| -- |
| 2.30.2 |
| |