[PATCH 06/58] drm/i915/lvds: convert to encoder disable/enable

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On Sun, 19 Aug 2012 21:12:23 +0200
Daniel Vetter <daniel.vetter at ffwll.ch> wrote:

> With the previous patch LVDS is also a simple case. Treat it
> accordingly.
> 
> Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
>  drivers/gpu/drm/i915/intel_lvds.c | 52 +++++++++++----------------------------
>  1 file changed, 14 insertions(+), 38 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
> index d789fda..3baa224 100644
> --- a/drivers/gpu/drm/i915/intel_lvds.c
> +++ b/drivers/gpu/drm/i915/intel_lvds.c
> @@ -68,10 +68,11 @@ static struct intel_lvds *intel_attached_lvds(struct drm_connector *connector)
>  /**
>   * Sets the power state for the panel.
>   */
> -static void intel_lvds_enable(struct intel_lvds *intel_lvds)
> +static void intel_enable_lvds(struct intel_encoder *encoder)
>  {
> -	struct drm_device *dev = intel_lvds->base.base.dev;
> -	struct intel_crtc *intel_crtc = to_intel_crtc(intel_lvds->base.base.crtc);
> +	struct drm_device *dev = encoder->base.dev;
> +	struct intel_lvds *intel_lvds = to_intel_lvds(&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;
>  
> @@ -111,9 +112,10 @@ static void intel_lvds_enable(struct intel_lvds *intel_lvds)
>  	intel_panel_enable_backlight(dev, intel_crtc->pipe);
>  }
>  
> -static void intel_lvds_disable(struct intel_lvds *intel_lvds)
> +static void intel_disable_lvds(struct intel_encoder *encoder)
>  {
> -	struct drm_device *dev = intel_lvds->base.base.dev;
> +	struct drm_device *dev = encoder->base.dev;
> +	struct intel_lvds *intel_lvds = to_intel_lvds(&encoder->base);
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	u32 ctl_reg, lvds_reg, stat_reg;
>  
> @@ -142,18 +144,6 @@ static void intel_lvds_disable(struct intel_lvds *intel_lvds)
>  	POSTING_READ(lvds_reg);
>  }
>  
> -static void intel_lvds_dpms(struct drm_encoder *encoder, int mode)
> -{
> -	struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
> -
> -	if (mode == DRM_MODE_DPMS_ON)
> -		intel_lvds_enable(intel_lvds);
> -	else
> -		intel_lvds_disable(intel_lvds);
> -
> -	/* XXX: We never power down the LVDS pairs. */
> -}
> -
>  static int intel_lvds_mode_valid(struct drm_connector *connector,
>  				 struct drm_display_mode *mode)
>  {
> @@ -405,23 +395,6 @@ out:
>  	return true;
>  }
>  
> -static void intel_lvds_prepare(struct drm_encoder *encoder)
> -{
> -	struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
> -
> -	intel_lvds_disable(intel_lvds);
> -}
> -
> -static void intel_lvds_commit(struct drm_encoder *encoder)
> -{
> -	struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
> -
> -	/* Always do a full power on as we do not know what state
> -	 * we were left in.
> -	 */
> -	intel_lvds_enable(intel_lvds);
> -}
> -
>  static void intel_lvds_mode_set(struct drm_encoder *encoder,
>  				struct drm_display_mode *mode,
>  				struct drm_display_mode *adjusted_mode)
> @@ -596,11 +569,11 @@ static int intel_lvds_set_property(struct drm_connector *connector,
>  }
>  
>  static const struct drm_encoder_helper_funcs intel_lvds_helper_funcs = {
> -	.dpms = intel_lvds_dpms,
>  	.mode_fixup = intel_lvds_mode_fixup,
> -	.prepare = intel_lvds_prepare,
> +	.prepare = intel_encoder_noop,
>  	.mode_set = intel_lvds_mode_set,
> -	.commit = intel_lvds_commit,
> +	.commit = intel_encoder_noop,
> +	.disable = intel_encoder_disable,
>  };
>  
>  static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs = {
> @@ -610,7 +583,7 @@ static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs
>  };
>  
>  static const struct drm_connector_funcs intel_lvds_connector_funcs = {
> -	.dpms = drm_helper_connector_dpms,
> +	.dpms = intel_connector_dpms,
>  	.detect = intel_lvds_detect,
>  	.fill_modes = drm_helper_probe_single_connector_modes,
>  	.set_property = intel_lvds_set_property,
> @@ -964,6 +937,9 @@ bool intel_lvds_init(struct drm_device *dev)
>  	drm_encoder_init(dev, &intel_encoder->base, &intel_lvds_enc_funcs,
>  			 DRM_MODE_ENCODER_LVDS);
>  
> +	intel_encoder->enable = intel_enable_lvds;
> +	intel_encoder->disable = intel_disable_lvds;
> +
>  	intel_connector_attach_encoder(intel_connector, intel_encoder);
>  	intel_encoder->type = INTEL_OUTPUT_LVDS;
>  

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

-- 
Jesse Barnes, Intel Open Source Technology Center


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