[PATCH v4 4/4] arm64: dts: qcom: add HDMI nodes for msm8998

Konrad Dybcio konrad.dybcio at linaro.org
Sat Jun 15 11:35:15 UTC 2024


On 14.06.2024 12:33 PM, Dmitry Baryshkov wrote:
> On Fri, Jun 14, 2024 at 01:55:46AM GMT, Konrad Dybcio wrote:
>>
>>

[...]

>> GCC_HDMI_CLKREF_CLK is a child of xo, so you can drop the latter.
>> It would also be worth confirming whether it's really powering the
>> PHY and not the TX.. You can test that by trying to only power on the
>> phy (e.g. call the phy_power_on or whatever APIs) with and without the
>> clock
> 
> I'd prefer to keep it. I think the original DT used one of LN_BB clocks
> here, so it might be that the HDMI uses CXO2 / LN_BB instead of the main
> CXO.
> 
> If somebody can check, which clock is actually used for the HDMI, it
> would be really great.

+CC jhugo - could you please take a look?

Konrad


More information about the dri-devel mailing list