[Intel-gfx] [PATCH 1/5] drm/i915: group backlight related stuff into a struct

[Daniel Vetter]

On Tue, Apr 02, 2013 at 03:48:09PM +0300, Jani Nikula wrote:
> No functional changes.
> 
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Queued for -next, thanks for the patch.
-Daniel
> ---
>  drivers/gpu/drm/i915/i915_drv.h    |   11 +++++----
>  drivers/gpu/drm/i915/intel_panel.c |   44 ++++++++++++++++++------------------
>  2 files changed, 29 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 2962a9a..5e38a2c 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -939,9 +939,14 @@ typedef struct drm_i915_private {
>  	struct intel_overlay *overlay;
>  	unsigned int sprite_scaling_enabled;
>  
> +	/* backlight */
> +	struct {
> +		int level;
> +		bool enabled;
> +		struct backlight_device *device;
> +	} backlight;
> +
>  	/* LVDS info */
> -	int backlight_level;  /* restore backlight to this value */
> -	bool backlight_enabled;
>  	struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
>  	struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
>  
> @@ -1043,8 +1048,6 @@ typedef struct drm_i915_private {
>  	 */
>  	struct work_struct console_resume_work;
>  
> -	struct backlight_device *backlight;
> -
>  	struct drm_property *broadcast_rgb_property;
>  	struct drm_property *force_audio_property;
>  
> diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> index 21f415a..0e7e873 100644
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@ -286,11 +286,11 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  
> -	dev_priv->backlight_level = level;
> -	if (dev_priv->backlight)
> -		dev_priv->backlight->props.brightness = level;
> +	dev_priv->backlight.level = level;
> +	if (dev_priv->backlight.device)
> +		dev_priv->backlight.device->props.brightness = level;
>  
> -	if (dev_priv->backlight_enabled)
> +	if (dev_priv->backlight.enabled)
>  		intel_panel_actually_set_backlight(dev, level);
>  }
>  
> @@ -298,7 +298,7 @@ void intel_panel_disable_backlight(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  
> -	dev_priv->backlight_enabled = false;
> +	dev_priv->backlight.enabled = false;
>  	intel_panel_actually_set_backlight(dev, 0);
>  
>  	if (INTEL_INFO(dev)->gen >= 4) {
> @@ -321,15 +321,15 @@ void intel_panel_enable_backlight(struct drm_device *dev,
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  
> -	if (dev_priv->backlight_level == 0) {
> -		dev_priv->backlight_level = intel_panel_get_max_backlight(dev);
> -		if (dev_priv->backlight)
> -			dev_priv->backlight->props.brightness =
> -				dev_priv->backlight_level;
> +	if (dev_priv->backlight.level == 0) {
> +		dev_priv->backlight.level = intel_panel_get_max_backlight(dev);
> +		if (dev_priv->backlight.device)
> +			dev_priv->backlight.device->props.brightness =
> +				dev_priv->backlight.level;
>  	}
>  
> -	dev_priv->backlight_enabled = true;
> -	intel_panel_actually_set_backlight(dev, dev_priv->backlight_level);
> +	dev_priv->backlight.enabled = true;
> +	intel_panel_actually_set_backlight(dev, dev_priv->backlight.level);
>  
>  	if (INTEL_INFO(dev)->gen >= 4) {
>  		uint32_t reg, tmp;
> @@ -371,15 +371,15 @@ set_level:
>  	 * when BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1 are written.
>  	 */
>  	if (!intel_panel_get_backlight(dev))
> -		intel_panel_actually_set_backlight(dev, dev_priv->backlight_level);
> +		intel_panel_actually_set_backlight(dev, dev_priv->backlight.level);
>  }
>  
>  static void intel_panel_init_backlight(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  
> -	dev_priv->backlight_level = intel_panel_get_backlight(dev);
> -	dev_priv->backlight_enabled = dev_priv->backlight_level != 0;
> +	dev_priv->backlight.level = intel_panel_get_backlight(dev);
> +	dev_priv->backlight.enabled = dev_priv->backlight.level != 0;
>  }
>  
>  enum drm_connector_status
> @@ -433,21 +433,21 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
>  
>  	memset(&props, 0, sizeof(props));
>  	props.type = BACKLIGHT_RAW;
> -	props.brightness = dev_priv->backlight_level;
> +	props.brightness = dev_priv->backlight.level;
>  	props.max_brightness = _intel_panel_get_max_backlight(dev);
>  	if (props.max_brightness == 0) {
>  		DRM_DEBUG_DRIVER("Failed to get maximum backlight value\n");
>  		return -ENODEV;
>  	}
> -	dev_priv->backlight =
> +	dev_priv->backlight.device =
>  		backlight_device_register("intel_backlight",
>  					  &connector->kdev, dev,
>  					  &intel_panel_bl_ops, &props);
>  
> -	if (IS_ERR(dev_priv->backlight)) {
> +	if (IS_ERR(dev_priv->backlight.device)) {
>  		DRM_ERROR("Failed to register backlight: %ld\n",
> -			  PTR_ERR(dev_priv->backlight));
> -		dev_priv->backlight = NULL;
> +			  PTR_ERR(dev_priv->backlight.device));
> +		dev_priv->backlight.device = NULL;
>  		return -ENODEV;
>  	}
>  	return 0;
> @@ -456,8 +456,8 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
>  void intel_panel_destroy_backlight(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	if (dev_priv->backlight)
> -		backlight_device_unregister(dev_priv->backlight);
> +	if (dev_priv->backlight.device)
> +		backlight_device_unregister(dev_priv->backlight.device);
>  }
>  #else
>  int intel_panel_setup_backlight(struct drm_connector *connector)
> -- 
> 1.7.9.5
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch