27 липня 2023 р. 18:11:15 GMT+03:00, Thierry Reding <thierry.reding@xxxxxxxxx> написав(-ла):
>On Sun, Jun 18, 2023 at 11:50:46AM +0300, Svyatoslav Ryhel wrote:
>> All ASUS Transformers have micro-HDMI connector directly available.
>> After Tegra HDMI got bridge/connector support, we should use connector
>> framework for proper HW description.
>>
>> Tested-by: Andreas Westman Dorcsak <hedmoo@xxxxxxxxx> # ASUS TF T30
>> Tested-by: Robert Eckelmann <longnoserob@xxxxxxxxx> # ASUS TF101 T20
>> Tested-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx> # ASUS TF201 T30
>> Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
>> ---
>> arch/arm/boot/dts/tegra20-asus-tf101.dts | 22 ++++++++++++++++---
>> .../dts/tegra30-asus-transformer-common.dtsi | 21 ++++++++++++++++--
>> 2 files changed, 38 insertions(+), 5 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/tegra20-asus-tf101.dts b/arch/arm/boot/dts/tegra20-asus-tf101.dts
>> index c2a9c3fb5b33..97350f566539 100644
>> --- a/arch/arm/boot/dts/tegra20-asus-tf101.dts
>> +++ b/arch/arm/boot/dts/tegra20-asus-tf101.dts
>> @@ -82,9 +82,11 @@ hdmi@54280000 {
>> pll-supply = <&hdmi_pll_reg>;
>> hdmi-supply = <&vdd_hdmi_en>;
>>
>> - nvidia,ddc-i2c-bus = <&hdmi_ddc>;
>> - nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
>> - GPIO_ACTIVE_HIGH>;
>> + port@0 {
>> + hdmi_out: endpoint {
>> + remote-endpoint = <&connector_in>;
>> + };
>> + };
>
>Does this need a bindings change? nvidia,tegra20-hdmi currently doesn't
>support OF graphs, so this would probably fail to validate if we merge
>it without a corresponding DT bindings update.
drm/tegra patch is backwards compatible and connector node is optional.
>Thierry
