Re: [PATCH 1/1] drm/panel: boe-tv101wum-n16 seperate the panel power control

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On Wed, Nov 06, 2019 at 04:17:52PM +0800, Jitao Shi wrote:
> Seperate the panel power control from prepare/unprepare.
> 
> Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>

Your patch series is all kinds of split up. Can you pls resend, with the
entire thing all in one go?

Thanks, Daniel

> ---
>  .../gpu/drm/panel/panel-boe-tv101wum-nl6.c    | 69 +++++++++++++------
>  1 file changed, 49 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> index e2496a334ab6..5b1b285a2194 100644
> --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> @@ -50,6 +50,7 @@ struct boe_panel {
>  	struct regulator *avdd;
>  	struct gpio_desc *enable_gpio;
>  
> +	bool prepared_power;
>  	bool prepared;
>  	bool enabled;
>  
> @@ -501,12 +502,11 @@ static int boe_panel_disable(struct drm_panel *panel)
>  	return 0;
>  }
>  
> -static int boe_panel_unprepare(struct drm_panel *panel)
> +static int boe_panel_unprepare_power(struct drm_panel *panel)
>  {
>  	struct boe_panel *boe = to_boe_panel(panel);
> -	int ret;
>  
> -	if (!boe->prepared)
> +	if (!boe->prepared_power)
>  		return 0;
>  
>  	if (boe->desc->discharge_on_disable) {
> @@ -518,12 +518,6 @@ static int boe_panel_unprepare(struct drm_panel *panel)
>  		usleep_range(5000, 7000);
>  		regulator_disable(boe->pp1800);
>  	} else {
> -		ret = boe_panel_off(boe);
> -		if (ret < 0) {
> -			dev_err(panel->dev, "failed to set panel off: %d\n",
> -				ret);
> -			return ret;
> -		}
>  		msleep(150);
>  		gpiod_set_value(boe->enable_gpio, 0);
>  		usleep_range(500, 1000);
> @@ -533,17 +527,39 @@ static int boe_panel_unprepare(struct drm_panel *panel)
>  		regulator_disable(boe->pp1800);
>  	}
>  
> +	boe->prepared_power = false;
> +
> +	return 0;
> +}
> +
> +static int boe_panel_unprepare(struct drm_panel *panel)
> +{
> +	struct boe_panel *boe = to_boe_panel(panel);
> +	int ret;
> +
> +	if (!boe->prepared)
> +		return 0;
> +
> +	if (!boe->desc->discharge_on_disable) {
> +		ret = boe_panel_off(boe);
> +		if (ret < 0) {
> +			dev_err(panel->dev, "failed to set panel off: %d\n",
> +				ret);
> +			return ret;
> +		}
> +	}
> +
>  	boe->prepared = false;
>  
>  	return 0;
>  }
>  
> -static int boe_panel_prepare(struct drm_panel *panel)
> +static int boe_panel_prepare_power(struct drm_panel *panel)
>  {
>  	struct boe_panel *boe = to_boe_panel(panel);
>  	int ret;
>  
> -	if (boe->prepared)
> +	if (boe->prepared_power)
>  		return 0;
>  
>  	gpiod_set_value(boe->enable_gpio, 0);
> @@ -571,18 +587,10 @@ static int boe_panel_prepare(struct drm_panel *panel)
>  	gpiod_set_value(boe->enable_gpio, 1);
>  	usleep_range(6000, 10000);
>  
> -	ret = boe_panel_init(boe);
> -	if (ret < 0) {
> -		dev_err(panel->dev, "failed to init panel: %d\n", ret);
> -		goto poweroff;
> -	}
> -
> -	boe->prepared = true;
> +	boe->prepared_power = true;
>  
>  	return 0;
>  
> -poweroff:
> -	regulator_disable(boe->avee);
>  poweroffavdd:
>  	regulator_disable(boe->avdd);
>  poweroff1v8:
> @@ -593,6 +601,25 @@ static int boe_panel_prepare(struct drm_panel *panel)
>  	return ret;
>  }
>  
> +static int boe_panel_prepare(struct drm_panel *panel)
> +{
> +	struct boe_panel *boe = to_boe_panel(panel);
> +	int ret;
> +
> +	if (boe->prepared)
> +		return 0;
> +
> +	ret = boe_panel_init(boe);
> +	if (ret < 0) {
> +		dev_err(panel->dev, "failed to init panel: %d\n", ret);
> +		return ret;
> +	}
> +
> +	boe->prepared = true;
> +
> +	return 0;
> +}
> +
>  static int boe_panel_enable(struct drm_panel *panel)
>  {
>  	struct boe_panel *boe = to_boe_panel(panel);
> @@ -754,7 +781,9 @@ static int boe_panel_get_modes(struct drm_panel *panel)
>  static const struct drm_panel_funcs boe_panel_funcs = {
>  	.disable = boe_panel_disable,
>  	.unprepare = boe_panel_unprepare,
> +	.unprepare_power = boe_panel_unprepare_power,
>  	.prepare = boe_panel_prepare,
> +	.prepare_power = boe_panel_prepare_power,
>  	.enable = boe_panel_enable,
>  	.get_modes = boe_panel_get_modes,
>  };
> -- 
> 2.21.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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