Re: [PATCH] arm64: dts: qcom: qcs6490-rb3gen2: use DP controller native HPD

[Dmitry Baryshkov]

On Sat, Feb 28, 2026 at 12:29:05PM +0530, Vishnu Saini wrote:
> The base device tree configures the edp_hot_plug_det pin using the
> "edp_hot" function on GPIO 60. However, on qcs6490-rb3gen2 this external
> HPD GPIO does not generate a connect event when a display is already
> connected at boot, causing the DP/eDP display to remain disabled.

It is an issue in the driver itself rather than the question of hardware
description.

> 
> The DP controller’s native HPD correctly detects the connected sink
> in this scenario, so continue using the DP controller native HPD
> on the qcs6490-rb3gen2 platform instead of the external HPD GPIO.
> 
> Signed-off-by: Vishnu Saini <vishnu.saini@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 3 ---
>  1 file changed, 3 deletions(-)
> 
-- 
With best wishes
Dmitry