drm/i915: Use intel_panel for DVO fixed mode handling

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@linux.intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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;
 		}