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Date:   Thu, 26 Nov 2020 12:54:08 +0200
From:   Jani Nikula <jani.nikula@...el.com>
To:     Lyude Paul <lyude@...hat.com>, intel-gfx@...ts.freedesktop.org
Cc:     thaytan@...aisin.net, Arnd Bergmann <arnd@...db.de>,
        David Airlie <airlied@...ux.ie>,
        open list <linux-kernel@...r.kernel.org>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        dri-devel@...ts.freedesktop.org,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Manasi Navare <manasi.d.navare@...el.com>,
        Wambui Karuga <wambui.karugax@...il.com>
Subject: Re: [RFC v2 2/8] drm/i915: Rename pwm_* backlight callbacks to ext_pwm_*

On Wed, 16 Sep 2020, Lyude Paul <lyude@...hat.com> wrote:
> Since we're going to need to add a set of lower-level PWM backlight
> control hooks to be shared by normal backlight controls and HDR
> backlight controls in SDR mode, let's add a prefix to the external PWM
> backlight functions so that the difference between them and the high
> level PWM-only backlight functions is a bit more obvious.
>
> This introduces no functional changes.
>
> Signed-off-by: Lyude Paul <lyude@...hat.com>
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@...el.com>
> Cc: thaytan@...aisin.net
> Cc: Vasily Khoruzhick <anarsoul@...il.com>

Reviewed-by: Jani Nikula <jani.nikula@...el.com>

> ---
>  drivers/gpu/drm/i915/display/intel_panel.c | 24 +++++++++++-----------
>  1 file changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
> index 9f23bac0d7924..c0e36244bb07d 100644
> --- a/drivers/gpu/drm/i915/display/intel_panel.c
> +++ b/drivers/gpu/drm/i915/display/intel_panel.c
> @@ -589,7 +589,7 @@ static u32 bxt_get_backlight(struct intel_connector *connector)
>  			     BXT_BLC_PWM_DUTY(panel->backlight.controller));
>  }
>  
> -static u32 pwm_get_backlight(struct intel_connector *connector)
> +static u32 ext_pwm_get_backlight(struct intel_connector *connector)
>  {
>  	struct intel_panel *panel = &connector->panel;
>  	struct pwm_state state;
> @@ -666,7 +666,7 @@ static void bxt_set_backlight(const struct drm_connector_state *conn_state, u32
>  		       BXT_BLC_PWM_DUTY(panel->backlight.controller), level);
>  }
>  
> -static void pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level)
> +static void ext_pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level)
>  {
>  	struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;
>  
> @@ -835,7 +835,7 @@ static void cnp_disable_backlight(const struct drm_connector_state *old_conn_sta
>  		       tmp & ~BXT_BLC_PWM_ENABLE);
>  }
>  
> -static void pwm_disable_backlight(const struct drm_connector_state *old_conn_state)
> +static void ext_pwm_disable_backlight(const struct drm_connector_state *old_conn_state)
>  {
>  	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);
>  	struct intel_panel *panel = &connector->panel;
> @@ -1168,8 +1168,8 @@ static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state,
>  		       pwm_ctl | BXT_BLC_PWM_ENABLE);
>  }
>  
> -static void pwm_enable_backlight(const struct intel_crtc_state *crtc_state,
> -				 const struct drm_connector_state *conn_state)
> +static void ext_pwm_enable_backlight(const struct intel_crtc_state *crtc_state,
> +				     const struct drm_connector_state *conn_state)
>  {
>  	struct intel_connector *connector = to_intel_connector(conn_state->connector);
>  	struct intel_panel *panel = &connector->panel;
> @@ -1890,8 +1890,8 @@ cnp_setup_backlight(struct intel_connector *connector, enum pipe unused)
>  	return 0;
>  }
>  
> -static int pwm_setup_backlight(struct intel_connector *connector,
> -			       enum pipe pipe)
> +static int ext_pwm_setup_backlight(struct intel_connector *connector,
> +				   enum pipe pipe)
>  {
>  	struct drm_device *dev = connector->base.dev;
>  	struct drm_i915_private *dev_priv = to_i915(dev);
> @@ -2065,11 +2065,11 @@ intel_panel_init_backlight_funcs(struct intel_panel *panel)
>  		panel->backlight.hz_to_pwm = pch_hz_to_pwm;
>  	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
>  		if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) {
> -			panel->backlight.setup = pwm_setup_backlight;
> -			panel->backlight.enable = pwm_enable_backlight;
> -			panel->backlight.disable = pwm_disable_backlight;
> -			panel->backlight.set = pwm_set_backlight;
> -			panel->backlight.get = pwm_get_backlight;
> +			panel->backlight.setup = ext_pwm_setup_backlight;
> +			panel->backlight.enable = ext_pwm_enable_backlight;
> +			panel->backlight.disable = ext_pwm_disable_backlight;
> +			panel->backlight.set = ext_pwm_set_backlight;
> +			panel->backlight.get = ext_pwm_get_backlight;
>  		} else {
>  			panel->backlight.setup = vlv_setup_backlight;
>  			panel->backlight.enable = vlv_enable_backlight;

-- 
Jani Nikula, Intel Open Source Graphics Center

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