[Intel-gfx] [PATCH 1/4] drm/i915: Clean up SDVO limited color range handling

[ville.syrjala at linux.intel.com]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Clean up the limited color range handling for SDVO as was done for
HDMI/DP previously.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sdvo.c | 27 ++++++++++++---------------
 1 file changed, 12 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index c98098e..33e58c1 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -103,7 +103,7 @@ struct intel_sdvo {
 	 * This is used to select the color range of RBG outputs in HDMI mode.
 	 * It is only valid when using TMDS encoding and 8 bit per color mode.
 	 */
-	uint32_t color_range;
+	bool limited_color_range;
 	bool color_range_auto;
 
 	/**
@@ -1166,15 +1166,12 @@ static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
 
 	if (intel_sdvo->color_range_auto) {
 		/* See CEA-861-E - 5.1 Default Encoding Parameters */
-		/* FIXME: This bit is only valid when using TMDS encoding and 8
-		 * bit per color mode. */
-		if (pipe_config->has_hdmi_sink &&
-		    drm_match_cea_mode(adjusted_mode) > 1)
-			pipe_config->limited_color_range = true;
+		pipe_config->limited_color_range =
+			pipe_config->has_hdmi_sink &&
+			drm_match_cea_mode(adjusted_mode) > 1;
 	} else {
-		if (pipe_config->has_hdmi_sink &&
-		    intel_sdvo->color_range == HDMI_COLOR_RANGE_16_235)
-			pipe_config->limited_color_range = true;
+		pipe_config->limited_color_range =
+			intel_sdvo->limited_color_range;
 	}
 
 	/* Clock computation needs to happen after pixel multiplier. */
@@ -1268,6 +1265,8 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder)
 		/* The real mode polarity is set by the SDVO commands, using
 		 * struct intel_sdvo_dtd. */
 		sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
+		/* FIXME: this bit is only valid when using TMDS
+		 * encoding and 8 bit per color mode. */
 		if (!HAS_PCH_SPLIT(dev) && crtc->config->limited_color_range)
 			sdvox |= HDMI_COLOR_RANGE_16_235;
 		if (INTEL_INFO(dev)->gen < 5)
@@ -2017,7 +2016,7 @@ intel_sdvo_set_property(struct drm_connector *connector,
 
 	if (property == dev_priv->broadcast_rgb_property) {
 		bool old_auto = intel_sdvo->color_range_auto;
-		uint32_t old_range = intel_sdvo->color_range;
+		bool old_range = intel_sdvo->limited_color_range;
 
 		switch (val) {
 		case INTEL_BROADCAST_RGB_AUTO:
@@ -2025,20 +2024,18 @@ intel_sdvo_set_property(struct drm_connector *connector,
 			break;
 		case INTEL_BROADCAST_RGB_FULL:
 			intel_sdvo->color_range_auto = false;
-			intel_sdvo->color_range = 0;
+			intel_sdvo->limited_color_range = false;
 			break;
 		case INTEL_BROADCAST_RGB_LIMITED:
 			intel_sdvo->color_range_auto = false;
-			/* FIXME: this bit is only valid when using TMDS
-			 * encoding and 8 bit per color mode. */
-			intel_sdvo->color_range = HDMI_COLOR_RANGE_16_235;
+			intel_sdvo->limited_color_range = true;
 			break;
 		default:
 			return -EINVAL;
 		}
 
 		if (old_auto == intel_sdvo->color_range_auto &&
-		    old_range == intel_sdvo->color_range)
+		    old_range == intel_sdvo->limited_color_range)
 			return 0;
 
 		goto done;
-- 
2.4.6