linux-kernel - Re: [PATCH V7 4/5] clk: qcom: videocc: Use HW_CTRL

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Message-ID: <c76yhzs4psywaqes32zb23ixbujejurn3f3hj3qswbzaxf3j25@2wslykbylak4>
Date: Tue, 2 Jul 2024 22:08:27 -0500
From: Bjorn Andersson <andersson@...nel.org>
To: Jagadeesh Kona <quic_jkona@...cinc.com>
Cc: Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Stanimir Varbanov <stanimir.k.varbanov@...il.com>, 
	Vikash Garodia <quic_vgarodia@...cinc.com>, Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
	Mauro Carvalho Chehab <mchehab@...nel.org>, Ulf Hansson <ulf.hansson@...aro.org>, 
	"Rafael J . Wysocki" <rafael@...nel.org>, Kevin Hilman <khilman@...nel.org>, Pavel Machek <pavel@....cz>, 
	Len Brown <len.brown@...el.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Konrad Dybcio <konrad.dybcio@...aro.org>, Andy Gross <agross@...nel.org>, 
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Abel Vesa <abel.vesa@...aro.org>, linux-pm@...r.kernel.org, 
	linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Taniya Das <quic_tdas@...cinc.com>, 
	Satya Priya Kakitapalli <quic_skakitap@...cinc.com>, Imran Shaik <quic_imrashai@...cinc.com>, 
	Ajit Pandey <quic_ajipan@...cinc.com>
Subject: Re: [PATCH V7 4/5] clk: qcom: videocc: Use HW_CTRL_TRIGGER for
 SM8250, SC7280 vcodec GDSC's

On Mon, Jun 24, 2024 at 10:18:08AM GMT, Jagadeesh Kona wrote:
> For Venus V6 variant SoCs(sm8250, sc7280), the venus driver uses the newly
> introduced dev_pm_genpd_set_hwmode() API to switch the vcodec GDSC to
> HW/SW control modes at runtime. Hence use HW_CTRL_TRIGGER flag for vcodec
> GDSC's on sm8250, sc7280 to register the set_hwmode_dev & get_hwmode_dev
> callbacks for vcodec GDSC and allow the GDSC mode to be changed using
> dev_pm_genpd_set_hwmode() API.
> 
> Signed-off-by: Jagadeesh Kona <quic_jkona@...cinc.com>
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> Reviewed-by: Taniya Das <quic_tdas@...cinc.com>

Acked-by: Bjorn Andersson <andersson@...nel.org>

Regards,
Bjorn

> ---
>  drivers/clk/qcom/videocc-sc7280.c | 2 +-
>  drivers/clk/qcom/videocc-sm8250.c | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/clk/qcom/videocc-sc7280.c b/drivers/clk/qcom/videocc-sc7280.c
> index 317b325d6daf..88c90853cf6e 100644
> --- a/drivers/clk/qcom/videocc-sc7280.c
> +++ b/drivers/clk/qcom/videocc-sc7280.c
> @@ -240,7 +240,7 @@ static struct gdsc mvs0_gdsc = {
>  		.name = "mvs0_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = HW_CTRL | RETAIN_FF_ENABLE,
> +	.flags = HW_CTRL_TRIGGER | RETAIN_FF_ENABLE,
>  };
>  
>  static struct gdsc mvsc_gdsc = {
> diff --git a/drivers/clk/qcom/videocc-sm8250.c b/drivers/clk/qcom/videocc-sm8250.c
> index d7e0c32284c1..df479a69cddd 100644
> --- a/drivers/clk/qcom/videocc-sm8250.c
> +++ b/drivers/clk/qcom/videocc-sm8250.c
> @@ -293,7 +293,7 @@ static struct gdsc mvs0_gdsc = {
>  	.pd = {
>  		.name = "mvs0_gdsc",
>  	},
> -	.flags = HW_CTRL,
> +	.flags = HW_CTRL_TRIGGER,
>  	.pwrsts = PWRSTS_OFF_ON,
>  };
>  
> @@ -302,7 +302,7 @@ static struct gdsc mvs1_gdsc = {
>  	.pd = {
>  		.name = "mvs1_gdsc",
>  	},
> -	.flags = HW_CTRL,
> +	.flags = HW_CTRL_TRIGGER,
>  	.pwrsts = PWRSTS_OFF_ON,
>  };
>  
> -- 
> 2.43.0
>