[PATCH 01/10] drm/i915/lvds: Rename intel_lvds to intel_lvds_encoder

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On Fri, 19 Oct 2012 14:51:43 +0300
Jani Nikula <jani.nikula at intel.com> wrote:

> In preparation for introducing intel_lvds_connector to move some of the
> LVDS specific storage away from drm_i915_private, first rename the encoder
> to avoid potential confusion.
> 
> Based on earlier work by Chris Wilson <chris at chris-wilson.co.uk>
> 
> CC: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_lvds.c |  129 ++++++++++++++++++-------------------
>  1 file changed, 61 insertions(+), 68 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
> index 40d72bd..61bdf4c 100644
> --- a/drivers/gpu/drm/i915/intel_lvds.c
> +++ b/drivers/gpu/drm/i915/intel_lvds.c
> @@ -41,7 +41,7 @@
>  #include <linux/acpi.h>
>  
>  /* Private structure for the integrated LVDS support */
> -struct intel_lvds {
> +struct intel_lvds_encoder {
>  	struct intel_encoder base;
>  
>  	struct edid *edid;
> @@ -54,15 +54,15 @@ struct intel_lvds {
>  	struct drm_display_mode *fixed_mode;
>  };
>  
> -static struct intel_lvds *to_intel_lvds(struct drm_encoder *encoder)
> +static struct intel_lvds_encoder *to_lvds_encoder(struct drm_encoder *encoder)
>  {
> -	return container_of(encoder, struct intel_lvds, base.base);
> +	return container_of(encoder, struct intel_lvds_encoder, base.base);
>  }
>  
> -static struct intel_lvds *intel_attached_lvds(struct drm_connector *connector)
> +static struct intel_lvds_encoder *intel_attached_lvds(struct drm_connector *connector)
>  {
>  	return container_of(intel_attached_encoder(connector),
> -			    struct intel_lvds, base);
> +			    struct intel_lvds_encoder, base);
>  }
>  
>  static bool intel_lvds_get_hw_state(struct intel_encoder *encoder,
> @@ -97,7 +97,7 @@ static bool intel_lvds_get_hw_state(struct intel_encoder *encoder,
>  static void intel_enable_lvds(struct intel_encoder *encoder)
>  {
>  	struct drm_device *dev = encoder->base.dev;
> -	struct intel_lvds *intel_lvds = to_intel_lvds(&encoder->base);
> +	struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);
>  	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	u32 ctl_reg, lvds_reg, stat_reg;
> @@ -114,7 +114,7 @@ static void intel_enable_lvds(struct intel_encoder *encoder)
>  
>  	I915_WRITE(lvds_reg, I915_READ(lvds_reg) | LVDS_PORT_EN);
>  
> -	if (intel_lvds->pfit_dirty) {
> +	if (lvds_encoder->pfit_dirty) {
>  		/*
>  		 * Enable automatic panel scaling so that non-native modes
>  		 * fill the screen.  The panel fitter should only be
> @@ -122,12 +122,12 @@ static void intel_enable_lvds(struct intel_encoder *encoder)
>  		 * register description and PRM.
>  		 */
>  		DRM_DEBUG_KMS("applying panel-fitter: %x, %x\n",
> -			      intel_lvds->pfit_control,
> -			      intel_lvds->pfit_pgm_ratios);
> +			      lvds_encoder->pfit_control,
> +			      lvds_encoder->pfit_pgm_ratios);
>  
> -		I915_WRITE(PFIT_PGM_RATIOS, intel_lvds->pfit_pgm_ratios);
> -		I915_WRITE(PFIT_CONTROL, intel_lvds->pfit_control);
> -		intel_lvds->pfit_dirty = false;
> +		I915_WRITE(PFIT_PGM_RATIOS, lvds_encoder->pfit_pgm_ratios);
> +		I915_WRITE(PFIT_CONTROL, lvds_encoder->pfit_control);
> +		lvds_encoder->pfit_dirty = false;
>  	}
>  
>  	I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON);
> @@ -141,7 +141,7 @@ static void intel_enable_lvds(struct intel_encoder *encoder)
>  static void intel_disable_lvds(struct intel_encoder *encoder)
>  {
>  	struct drm_device *dev = encoder->base.dev;
> -	struct intel_lvds *intel_lvds = to_intel_lvds(&encoder->base);
> +	struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	u32 ctl_reg, lvds_reg, stat_reg;
>  
> @@ -161,9 +161,9 @@ static void intel_disable_lvds(struct intel_encoder *encoder)
>  	if (wait_for((I915_READ(stat_reg) & PP_ON) == 0, 1000))
>  		DRM_ERROR("timed out waiting for panel to power off\n");
>  
> -	if (intel_lvds->pfit_control) {
> +	if (lvds_encoder->pfit_control) {
>  		I915_WRITE(PFIT_CONTROL, 0);
> -		intel_lvds->pfit_dirty = true;
> +		lvds_encoder->pfit_dirty = true;
>  	}
>  
>  	I915_WRITE(lvds_reg, I915_READ(lvds_reg) & ~LVDS_PORT_EN);
> @@ -173,8 +173,8 @@ static void intel_disable_lvds(struct intel_encoder *encoder)
>  static int intel_lvds_mode_valid(struct drm_connector *connector,
>  				 struct drm_display_mode *mode)
>  {
> -	struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
> -	struct drm_display_mode *fixed_mode = intel_lvds->fixed_mode;
> +	struct intel_lvds_encoder *lvds_encoder = intel_attached_lvds(connector);
> +	struct drm_display_mode *fixed_mode = lvds_encoder->fixed_mode;
>  
>  	if (mode->hdisplay > fixed_mode->hdisplay)
>  		return MODE_PANEL;
> @@ -250,8 +250,8 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
>  {
>  	struct drm_device *dev = encoder->dev;
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
> -	struct intel_crtc *intel_crtc = intel_lvds->base.new_crtc;
> +	struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(encoder);
> +	struct intel_crtc *intel_crtc = lvds_encoder->base.new_crtc;
>  	u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
>  	int pipe;
>  
> @@ -261,7 +261,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
>  		return false;
>  	}
>  
> -	if (intel_encoder_check_is_cloned(&intel_lvds->base))
> +	if (intel_encoder_check_is_cloned(&lvds_encoder->base))
>  		return false;
>  
>  	/*
> @@ -270,10 +270,10 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
>  	 * with the panel scaling set up to source from the H/VDisplay
>  	 * of the original mode.
>  	 */
> -	intel_fixed_panel_mode(intel_lvds->fixed_mode, adjusted_mode);
> +	intel_fixed_panel_mode(lvds_encoder->fixed_mode, adjusted_mode);
>  
>  	if (HAS_PCH_SPLIT(dev)) {
> -		intel_pch_panel_fitting(dev, intel_lvds->fitting_mode,
> +		intel_pch_panel_fitting(dev, lvds_encoder->fitting_mode,
>  					mode, adjusted_mode);
>  		return true;
>  	}
> @@ -299,7 +299,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
>  
>  	drm_mode_set_crtcinfo(adjusted_mode, 0);
>  
> -	switch (intel_lvds->fitting_mode) {
> +	switch (lvds_encoder->fitting_mode) {
>  	case DRM_MODE_SCALE_CENTER:
>  		/*
>  		 * For centered modes, we have to calculate border widths &
> @@ -397,11 +397,11 @@ out:
>  	if (INTEL_INFO(dev)->gen < 4 && dev_priv->lvds_dither)
>  		pfit_control |= PANEL_8TO6_DITHER_ENABLE;
>  
> -	if (pfit_control != intel_lvds->pfit_control ||
> -	    pfit_pgm_ratios != intel_lvds->pfit_pgm_ratios) {
> -		intel_lvds->pfit_control = pfit_control;
> -		intel_lvds->pfit_pgm_ratios = pfit_pgm_ratios;
> -		intel_lvds->pfit_dirty = true;
> +	if (pfit_control != lvds_encoder->pfit_control ||
> +	    pfit_pgm_ratios != lvds_encoder->pfit_pgm_ratios) {
> +		lvds_encoder->pfit_control = pfit_control;
> +		lvds_encoder->pfit_pgm_ratios = pfit_pgm_ratios;
> +		lvds_encoder->pfit_dirty = true;
>  	}
>  	dev_priv->lvds_border_bits = border;
>  
> @@ -450,14 +450,14 @@ intel_lvds_detect(struct drm_connector *connector, bool force)
>   */
>  static int intel_lvds_get_modes(struct drm_connector *connector)
>  {
> -	struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
> +	struct intel_lvds_encoder *lvds_encoder = intel_attached_lvds(connector);
>  	struct drm_device *dev = connector->dev;
>  	struct drm_display_mode *mode;
>  
> -	if (intel_lvds->edid)
> -		return drm_add_edid_modes(connector, intel_lvds->edid);
> +	if (lvds_encoder->edid)
> +		return drm_add_edid_modes(connector, lvds_encoder->edid);
>  
> -	mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode);
> +	mode = drm_mode_duplicate(dev, lvds_encoder->fixed_mode);
>  	if (mode == NULL)
>  		return 0;
>  
> @@ -558,22 +558,22 @@ static int intel_lvds_set_property(struct drm_connector *connector,
>  				   struct drm_property *property,
>  				   uint64_t value)
>  {
> -	struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
> +	struct intel_lvds_encoder *lvds_encoder = intel_attached_lvds(connector);
>  	struct drm_device *dev = connector->dev;
>  
>  	if (property == dev->mode_config.scaling_mode_property) {
> -		struct drm_crtc *crtc = intel_lvds->base.base.crtc;
> +		struct drm_crtc *crtc = lvds_encoder->base.base.crtc;
>  
>  		if (value == DRM_MODE_SCALE_NONE) {
>  			DRM_DEBUG_KMS("no scaling not supported\n");
>  			return -EINVAL;
>  		}
>  
> -		if (intel_lvds->fitting_mode == value) {
> +		if (lvds_encoder->fitting_mode == value) {
>  			/* the LVDS scaling property is not changed */
>  			return 0;
>  		}
> -		intel_lvds->fitting_mode = value;
> +		lvds_encoder->fitting_mode = value;
>  		if (crtc && crtc->enabled) {
>  			/*
>  			 * If the CRTC is enabled, the display will be changed
> @@ -905,7 +905,7 @@ static bool intel_lvds_supported(struct drm_device *dev)
>  bool intel_lvds_init(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	struct intel_lvds *intel_lvds;
> +	struct intel_lvds_encoder *lvds_encoder;
>  	struct intel_encoder *intel_encoder;
>  	struct intel_connector *intel_connector;
>  	struct drm_connector *connector;
> @@ -938,22 +938,21 @@ bool intel_lvds_init(struct drm_device *dev)
>  		}
>  	}
>  
> -	intel_lvds = kzalloc(sizeof(struct intel_lvds), GFP_KERNEL);
> -	if (!intel_lvds) {
> +	lvds_encoder = kzalloc(sizeof(struct intel_lvds_encoder), GFP_KERNEL);
> +	if (!lvds_encoder)
>  		return false;
> -	}
>  
>  	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
>  	if (!intel_connector) {
> -		kfree(intel_lvds);
> +		kfree(lvds_encoder);
>  		return false;
>  	}
>  
>  	if (!HAS_PCH_SPLIT(dev)) {
> -		intel_lvds->pfit_control = I915_READ(PFIT_CONTROL);
> +		lvds_encoder->pfit_control = I915_READ(PFIT_CONTROL);
>  	}
>  
> -	intel_encoder = &intel_lvds->base;
> +	intel_encoder = &lvds_encoder->base;
>  	encoder = &intel_encoder->base;
>  	connector = &intel_connector->base;
>  	drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs,
> @@ -993,7 +992,7 @@ bool intel_lvds_init(struct drm_device *dev)
>  	drm_connector_attach_property(&intel_connector->base,
>  				      dev->mode_config.scaling_mode_property,
>  				      DRM_MODE_SCALE_ASPECT);
> -	intel_lvds->fitting_mode = DRM_MODE_SCALE_ASPECT;
> +	lvds_encoder->fitting_mode = DRM_MODE_SCALE_ASPECT;
>  	/*
>  	 * LVDS discovery:
>  	 * 1) check for EDID on DDC
> @@ -1008,20 +1007,18 @@ bool intel_lvds_init(struct drm_device *dev)
>  	 * Attempt to get the fixed panel mode from DDC.  Assume that the
>  	 * preferred mode is the right one.
>  	 */
> -	intel_lvds->edid = drm_get_edid(connector,
> -					intel_gmbus_get_adapter(dev_priv,
> -								pin));
> -	if (intel_lvds->edid) {
> -		if (drm_add_edid_modes(connector,
> -				       intel_lvds->edid)) {
> +	lvds_encoder->edid = drm_get_edid(connector,
> +					  intel_gmbus_get_adapter(dev_priv, pin));
> +	if (lvds_encoder->edid) {
> +		if (drm_add_edid_modes(connector, lvds_encoder->edid)) {
>  			drm_mode_connector_update_edid_property(connector,
> -								intel_lvds->edid);
> +								lvds_encoder->edid);
>  		} else {
> -			kfree(intel_lvds->edid);
> -			intel_lvds->edid = NULL;
> +			kfree(lvds_encoder->edid);
> +			lvds_encoder->edid = NULL;
>  		}
>  	}
> -	if (!intel_lvds->edid) {
> +	if (!lvds_encoder->edid) {
>  		/* Didn't get an EDID, so
>  		 * Set wide sync ranges so we get all modes
>  		 * handed to valid_mode for checking
> @@ -1034,10 +1031,8 @@ bool intel_lvds_init(struct drm_device *dev)
>  
>  	list_for_each_entry(scan, &connector->probed_modes, head) {
>  		if (scan->type & DRM_MODE_TYPE_PREFERRED) {
> -			intel_lvds->fixed_mode =
> -				drm_mode_duplicate(dev, scan);
> -			intel_find_lvds_downclock(dev,
> -						  intel_lvds->fixed_mode,
> +			lvds_encoder->fixed_mode = drm_mode_duplicate(dev, scan);
> +			intel_find_lvds_downclock(dev, lvds_encoder->fixed_mode,
>  						  connector);
>  			goto out;
>  		}
> @@ -1045,11 +1040,10 @@ bool intel_lvds_init(struct drm_device *dev)
>  
>  	/* Failed to get EDID, what about VBT? */
>  	if (dev_priv->lfp_lvds_vbt_mode) {
> -		intel_lvds->fixed_mode =
> +		lvds_encoder->fixed_mode =
>  			drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
> -		if (intel_lvds->fixed_mode) {
> -			intel_lvds->fixed_mode->type |=
> -				DRM_MODE_TYPE_PREFERRED;
> +		if (lvds_encoder->fixed_mode) {
> +			lvds_encoder->fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
>  			goto out;
>  		}
>  	}
> @@ -1069,16 +1063,15 @@ bool intel_lvds_init(struct drm_device *dev)
>  	crtc = intel_get_crtc_for_pipe(dev, pipe);
>  
>  	if (crtc && (lvds & LVDS_PORT_EN)) {
> -		intel_lvds->fixed_mode = intel_crtc_mode_get(dev, crtc);
> -		if (intel_lvds->fixed_mode) {
> -			intel_lvds->fixed_mode->type |=
> -				DRM_MODE_TYPE_PREFERRED;
> +		lvds_encoder->fixed_mode = intel_crtc_mode_get(dev, crtc);
> +		if (lvds_encoder->fixed_mode) {
> +			lvds_encoder->fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
>  			goto out;
>  		}
>  	}
>  
>  	/* If we still don't have a mode after all that, give up. */
> -	if (!intel_lvds->fixed_mode)
> +	if (!lvds_encoder->fixed_mode)
>  		goto failed;
>  
>  out:
> @@ -1110,7 +1103,7 @@ failed:
>  	DRM_DEBUG_KMS("No LVDS modes found, disabling.\n");
>  	drm_connector_cleanup(connector);
>  	drm_encoder_cleanup(encoder);
> -	kfree(intel_lvds);
> +	kfree(lvds_encoder);
>  	kfree(intel_connector);
>  	return false;
>  }

Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center


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