Re: [PATCH v4 13/13] arm64: dts: qcom: shikra: Add support for DISPCC/GPUCC nodes

[Konrad Dybcio]

On 6/29/26 8:43 AM, Imran Shaik wrote:
> 
> 
> On 25-06-2026 02:14 pm, Konrad Dybcio wrote:
>> On 6/4/26 7:26 AM, Imran Shaik wrote:
>>> Add support for Display clock controller and GPU clock controller nodes
>>> on Qualcomm Shikra SoCs.
>>>
>>> Signed-off-by: Imran Shaik <imran.shaik@xxxxxxxxxxxxxxxx>
>>> ---

[...]

>>> +                      "gcc_disp_gpll0_clk_src",
>>> +                      "gcc_disp_gpll0_div_clk_src",
>>> +                      "dsi0_phy_pll_out_byteclk",
>>> +                      "dsi0_phy_pll_out_dsiclk",
>>> +                      "dsi1_phy_pll_out_byteclk",
>>> +                      "dsi1_phy_pll_out_dsiclk",
>>> +                      "sleep_clk";
>>> +            #clock-cells = <1>;
>>> +            #reset-cells = <1>;
>>> +            #power-domain-cells = <1>;
>>
>> DISP_CC also needs to source power from somewhere!
>>
> 
> The Shikra bindings aligns with the existing Agatti bindings, as it is a re-use. And the Shikra/Agatti DISPCC is on CX rail, and it will be always ON when APPS is active.

Yes, it will be on, but currently the genpd performance state requests
(i.e. RPMH states) go to /dev/null because DISP_CC is an orphan

Konrad