arm64: dts: qcom: qcs6490-rb3gen2: use DP controller native…#314
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quic-vishsain wants to merge 1 commit intoqualcomm-linux:qcom-6.18.yfrom
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arm64: dts: qcom: qcs6490-rb3gen2: use DP controller native…#314quic-vishsain wants to merge 1 commit intoqualcomm-linux:qcom-6.18.yfrom
quic-vishsain wants to merge 1 commit intoqualcomm-linux:qcom-6.18.yfrom
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… HPD 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. 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. Link: https://lore.kernel.org/all/20260228-edp_hpd_rb3_gen2_for_next-v1-1-aebc047eddc1@oss.qualcomm.com/ Signed-off-by: Vishnu Saini <vishnu.saini@oss.qualcomm.com>
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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.
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.
CRs-Fixed: 4442506