[Intel-gfx] [PATCH 1/7] drm/i915: Use intel_panel for DVO fixed mode handling

[Mika Kahola]

Reviewed-by: Mika Kahola <mika.kahola at intel.com>

On Tue, 2015-09-08 at 13:40 +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Replace intel_dvo->panel_fixed_mode with the appropriate intel_panel
> stuff. Now all connectors that have a fixed mode use intel_panel.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dvo.c | 49 ++++++++++++++++++----------------------
>  1 file changed, 22 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
> index c80fe1f..0bc8aa8 100644
> --- a/drivers/gpu/drm/i915/intel_dvo.c
> +++ b/drivers/gpu/drm/i915/intel_dvo.c
> @@ -97,7 +97,8 @@ struct intel_dvo {
>  
>  	struct intel_dvo_device dev;
>  
> -	struct drm_display_mode *panel_fixed_mode;
> +	struct intel_connector *attached_connector;
> +
>  	bool panel_wants_dither;
>  };
>  
> @@ -201,6 +202,8 @@ intel_dvo_mode_valid(struct drm_connector *connector,
>  		     struct drm_display_mode *mode)
>  {
>  	struct intel_dvo *intel_dvo = intel_attached_dvo(connector);
> +	const struct drm_display_mode *fixed_mode =
> +		to_intel_connector(connector)->panel.fixed_mode;
>  	int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
>  	int target_clock = mode->clock;
>  
> @@ -209,13 +212,13 @@ intel_dvo_mode_valid(struct drm_connector *connector,
>  
>  	/* XXX: Validate clock range */
>  
> -	if (intel_dvo->panel_fixed_mode) {
> -		if (mode->hdisplay > intel_dvo->panel_fixed_mode->hdisplay)
> +	if (fixed_mode) {
> +		if (mode->hdisplay > fixed_mode->hdisplay)
>  			return MODE_PANEL;
> -		if (mode->vdisplay > intel_dvo->panel_fixed_mode->vdisplay)
> +		if (mode->vdisplay > fixed_mode->vdisplay)
>  			return MODE_PANEL;
>  
> -		target_clock = intel_dvo->panel_fixed_mode->clock;
> +		target_clock = fixed_mode->clock;
>  	}
>  
>  	if (target_clock > max_dotclk)
> @@ -228,6 +231,8 @@ static bool intel_dvo_compute_config(struct intel_encoder *encoder,
>  				     struct intel_crtc_state *pipe_config)
>  {
>  	struct intel_dvo *intel_dvo = enc_to_dvo(encoder);
> +	const struct drm_display_mode *fixed_mode =
> +		intel_dvo->attached_connector->panel.fixed_mode;
>  	struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
>  
>  	/* If we have timings from the BIOS for the panel, put them in
> @@ -235,21 +240,8 @@ static bool intel_dvo_compute_config(struct intel_encoder *encoder,
>  	 * with the panel scaling set up to source from the H/VDisplay
>  	 * of the original mode.
>  	 */
> -	if (intel_dvo->panel_fixed_mode != NULL) {
> -#define C(x) adjusted_mode->x = intel_dvo->panel_fixed_mode->x
> -		C(hdisplay);
> -		C(hsync_start);
> -		C(hsync_end);
> -		C(htotal);
> -		C(vdisplay);
> -		C(vsync_start);
> -		C(vsync_end);
> -		C(vtotal);
> -		C(clock);
> -#undef C
> -
> -		drm_mode_set_crtcinfo(adjusted_mode, 0);
> -	}
> +	if (fixed_mode)
> +		intel_fixed_panel_mode(fixed_mode, adjusted_mode);
>  
>  	return true;
>  }
> @@ -318,8 +310,9 @@ intel_dvo_detect(struct drm_connector *connector, bool force)
>  
>  static int intel_dvo_get_modes(struct drm_connector *connector)
>  {
> -	struct intel_dvo *intel_dvo = intel_attached_dvo(connector);
>  	struct drm_i915_private *dev_priv = connector->dev->dev_private;
> +	const struct drm_display_mode *fixed_mode =
> +		to_intel_connector(connector)->panel.fixed_mode;
>  
>  	/* We should probably have an i2c driver get_modes function for those
>  	 * devices which will have a fixed set of modes determined by the chip
> @@ -331,9 +324,9 @@ static int intel_dvo_get_modes(struct drm_connector *connector)
>  	if (!list_empty(&connector->probed_modes))
>  		return 1;
>  
> -	if (intel_dvo->panel_fixed_mode != NULL) {
> +	if (fixed_mode) {
>  		struct drm_display_mode *mode;
> -		mode = drm_mode_duplicate(connector->dev, intel_dvo->panel_fixed_mode);
> +		mode = drm_mode_duplicate(connector->dev, fixed_mode);
>  		if (mode) {
>  			drm_mode_probed_add(connector, mode);
>  			return 1;
> @@ -346,6 +339,7 @@ static int intel_dvo_get_modes(struct drm_connector *connector)
>  static void intel_dvo_destroy(struct drm_connector *connector)
>  {
>  	drm_connector_cleanup(connector);
> +	intel_panel_fini(&to_intel_connector(connector)->panel);
>  	kfree(connector);
>  }
>  
> @@ -372,8 +366,6 @@ static void intel_dvo_enc_destroy(struct drm_encoder *encoder)
>  	if (intel_dvo->dev.dev_ops->destroy)
>  		intel_dvo->dev.dev_ops->destroy(&intel_dvo->dev);
>  
> -	kfree(intel_dvo->panel_fixed_mode);
> -
>  	intel_encoder_destroy(encoder);
>  }
>  
> @@ -438,6 +430,8 @@ void intel_dvo_init(struct drm_device *dev)
>  		return;
>  	}
>  
> +	intel_dvo->attached_connector = intel_connector;
> +
>  	intel_encoder = &intel_dvo->base;
>  	drm_encoder_init(dev, &intel_encoder->base,
>  			 &intel_dvo_enc_funcs, encoder_type);
> @@ -542,8 +536,9 @@ void intel_dvo_init(struct drm_device *dev)
>  			 * headers, likely), so for now, just get the current
>  			 * mode being output through DVO.
>  			 */
> -			intel_dvo->panel_fixed_mode =
> -				intel_dvo_get_current_mode(connector);
> +			intel_panel_init(&intel_connector->panel,
> +					 intel_dvo_get_current_mode(connector),
> +					 NULL);
>  			intel_dvo->panel_wants_dither = true;
>  		}
>