linux-kernel - Re: [PATCH v2 10/14] drm/msm/hdmi: rename hpd_clks to pwr

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Date: Wed, 19 Jun 2024 10:55:41 -0700
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Rob Clark
	<robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul
	<sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        "David
 Airlie" <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 10/14] drm/msm/hdmi: rename hpd_clks to pwr_clks



On 5/22/2024 3:51 AM, Dmitry Baryshkov wrote:
> As these clocks are now used in the runtime PM callbacks, they have no
> connection to 'HPD'. Rename corresponding fields to follow clocks
> purpose, to power up the HDMI controller.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

Reviewed-by: Jessica Zhang <quic_jesszhan@...cinc.com>

> ---
>   drivers/gpu/drm/msm/hdmi/hdmi.c | 26 +++++++++++++-------------
>   drivers/gpu/drm/msm/hdmi/hdmi.h |  6 +++---
>   2 files changed, 16 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
> index cc671baad87b..c39a1f3a7505 100644
> --- a/drivers/gpu/drm/msm/hdmi/hdmi.c
> +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
> @@ -228,19 +228,19 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi,
>   	.item ## _cnt   = ARRAY_SIZE(item ## _names_ ## entry)
>   
>   static const char *pwr_reg_names_8960[] = {"core-vdda"};
> -static const char *hpd_clk_names_8960[] = {"core", "master_iface", "slave_iface"};
> +static const char *pwr_clk_names_8960[] = {"core", "master_iface", "slave_iface"};
>   
>   static const struct hdmi_platform_config hdmi_tx_8960_config = {
>   		HDMI_CFG(pwr_reg, 8960),
> -		HDMI_CFG(hpd_clk, 8960),
> +		HDMI_CFG(pwr_clk, 8960),
>   };
>   
>   static const char *pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"};
> -static const char *hpd_clk_names_8x74[] = {"iface", "core", "mdp_core", "alt_iface"};
> +static const char *pwr_clk_names_8x74[] = {"iface", "core", "mdp_core", "alt_iface"};
>   
>   static const struct hdmi_platform_config hdmi_tx_8974_config = {
>   		HDMI_CFG(pwr_reg, 8x74),
> -		HDMI_CFG(hpd_clk, 8x74),
> +		HDMI_CFG(pwr_clk, 8x74),
>   };
>   
>   /*
> @@ -449,17 +449,17 @@ static int msm_hdmi_dev_probe(struct platform_device *pdev)
>   	if (ret)
>   		return dev_err_probe(dev, ret, "failed to get pwr regulators\n");
>   
> -	hdmi->hpd_clks = devm_kcalloc(&pdev->dev,
> -				      config->hpd_clk_cnt,
> -				      sizeof(hdmi->hpd_clks[0]),
> +	hdmi->pwr_clks = devm_kcalloc(&pdev->dev,
> +				      config->pwr_clk_cnt,
> +				      sizeof(hdmi->pwr_clks[0]),
>   				      GFP_KERNEL);
> -	if (!hdmi->hpd_clks)
> +	if (!hdmi->pwr_clks)
>   		return -ENOMEM;
>   
> -	for (i = 0; i < config->hpd_clk_cnt; i++)
> -		hdmi->hpd_clks[i].id = config->hpd_clk_names[i];
> +	for (i = 0; i < config->pwr_clk_cnt; i++)
> +		hdmi->pwr_clks[i].id = config->pwr_clk_names[i];
>   
> -	ret = devm_clk_bulk_get(&pdev->dev, config->hpd_clk_cnt, hdmi->hpd_clks);
> +	ret = devm_clk_bulk_get(&pdev->dev, config->pwr_clk_cnt, hdmi->pwr_clks);
>   	if (ret)
>   		return ret;
>   
> @@ -517,7 +517,7 @@ static int msm_hdmi_runtime_suspend(struct device *dev)
>   	struct hdmi *hdmi = dev_get_drvdata(dev);
>   	const struct hdmi_platform_config *config = hdmi->config;
>   
> -	clk_bulk_disable_unprepare(config->hpd_clk_cnt, hdmi->hpd_clks);
> +	clk_bulk_disable_unprepare(config->pwr_clk_cnt, hdmi->pwr_clks);
>   
>   	pinctrl_pm_select_sleep_state(dev);
>   
> @@ -540,7 +540,7 @@ static int msm_hdmi_runtime_resume(struct device *dev)
>   	if (ret)
>   		goto fail;
>   
> -	ret = clk_bulk_prepare_enable(config->hpd_clk_cnt, hdmi->hpd_clks);
> +	ret = clk_bulk_prepare_enable(config->pwr_clk_cnt, hdmi->pwr_clks);
>   	if (ret)
>   		goto fail;
>   
> diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h
> index ee5463eb41b6..1e346e697f8e 100644
> --- a/drivers/gpu/drm/msm/hdmi/hdmi.h
> +++ b/drivers/gpu/drm/msm/hdmi/hdmi.h
> @@ -49,7 +49,7 @@ struct hdmi {
>   	phys_addr_t mmio_phy_addr;
>   
>   	struct regulator_bulk_data *pwr_regs;
> -	struct clk_bulk_data *hpd_clks;
> +	struct clk_bulk_data *pwr_clks;
>   	struct clk *extp_clk;
>   
>   	struct gpio_desc *hpd_gpiod;
> @@ -90,8 +90,8 @@ struct hdmi_platform_config {
>   	int pwr_reg_cnt;
>   
>   	/* clks that need to be on for hpd: */
> -	const char **hpd_clk_names;
> -	int hpd_clk_cnt;
> +	const char **pwr_clk_names;
> +	int pwr_clk_cnt;
>   };
>   
>   struct hdmi_bridge {
> 
> -- 
> 2.39.2
>