Re: [PATCH v2 4/6] clk: qcom: Use HW_CTRL_TRIGGER flag to switch video GDSC to HW mode

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On 23.08.2023 12:41, Abel Vesa wrote:
> On 23-08-16 19:56:46, Konrad Dybcio wrote:
>> On 16.08.2023 16:57, Abel Vesa wrote:
>>> From: Jagadeesh Kona <quic_jkona@xxxxxxxxxxx>
>>>
>>> The current HW_CTRL flag switches the video GDSC to HW control mode as
>>> part of GDSC enable itself, instead of that use HW_CTRL_TRIGGER flag to
>>> give consumer drivers more control and switch the GDSC mode as and when
>>> required.
>>>
>>> HW_CTRL_TRIGGER flag allows consumer drivers to switch the video GDSC to
>>> HW/SW control modes at runtime using dev_pm_genpd_set_hwmode API.
>>>
>>> Signed-off-by: Jagadeesh Kona <quic_jkona@xxxxxxxxxxx>
>>> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
>>> ---
>> Do we have any use for the HW_CTRL flag?
>>
>> Perhaps it should be renamed to HW_CTRL_ALWAYS?
>>
>> Or even better, *if and only if* that is necessary, add a common
>> property like "always_hw_managed" to the genpd code?
> 
> The HW_CTRL flag is still needed for the consumers that expect the GDSC
> to be have the HW control bit set right after it gets enabled.
Guess the correct question here would be.. Are there any?

Konrad



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