Intel: Implement Passthrough-Range

packages/linux/patches/4.1.10/linux-999-i915-implement-passthrough-colors.patch

@@ -0,0 +1,125 @@
+From 2ede4f1aabc37c6726c4edf39636d6411957bfad Mon Sep 17 00:00:00 2001
+From: fritsch <Peter.Fruehberger@gmail.com>
+Date: Wed, 30 Sep 2015 20:57:49 +0200
+Subject: [PATCH] Implement Color Range (passthrough) by lauri v1 Initial v2
+ Fix a hunk
+
+---
+ drivers/gpu/drm/i915/i915_drv.h    |  1 +
+ drivers/gpu/drm/i915/intel_drv.h   |  7 +++++++
+ drivers/gpu/drm/i915/intel_hdmi.c  | 17 +++++++++++++++--
+ drivers/gpu/drm/i915/intel_modes.c |  1 +
+ 4 files changed, 24 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
+index 7d53d7e..5d45cd8 100644
+--- a/drivers/gpu/drm/i915/i915_drv.h
++++ b/drivers/gpu/drm/i915/i915_drv.h
+@@ -3206,6 +3206,7 @@ int intel_freq_opcode(struct drm_i915_private *dev_priv, int val);
+ #define INTEL_BROADCAST_RGB_AUTO 0
+ #define INTEL_BROADCAST_RGB_FULL 1
+ #define INTEL_BROADCAST_RGB_LIMITED 2
++#define INTEL_BROADCAST_RGB_VIDEO 3
+
+ static inline uint32_t i915_vgacntrl_reg(struct drm_device *dev)
+ {
+diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
+index 68d1f74..637d13b 100644
+--- a/drivers/gpu/drm/i915/intel_drv.h
++++ b/drivers/gpu/drm/i915/intel_drv.h
+@@ -299,6 +299,12 @@ struct intel_crtc_state {
+ 	 */
+ 	bool limited_color_range;
+
++        /*
++         * Use reduced/limited/broadcast rgb range without compressing
++         *
++         */
++	bool video_color_range;
++
+ 	/* DP has a bunch of special case unfortunately, so mark the pipe
+ 	 * accordingly. */
+ 	bool has_dp_encoder;
+@@ -574,6 +580,7 @@ struct intel_hdmi {
+ 	int ddc_bus;
+ 	uint32_t color_range;
+ 	bool color_range_auto;
++        bool color_range_video;
+ 	bool has_hdmi_sink;
+ 	bool has_audio;
+ 	enum hdmi_force_audio force_audio;
+diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
+index bfbe07b..8a45c16 100644
+--- a/drivers/gpu/drm/i915/intel_hdmi.c
++++ b/drivers/gpu/drm/i915/intel_hdmi.c
+@@ -437,7 +437,8 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
+ 	}
+
+ 	if (intel_hdmi->rgb_quant_range_selectable) {
+-		if (intel_crtc->config->limited_color_range)
++		if (intel_crtc->config->limited_color_range ||
++		    intel_crtc->config->video_color_range)
+ 			frame.avi.quantization_range =
+ 				HDMI_QUANTIZATION_RANGE_LIMITED;
+ 		else
+@@ -1017,6 +1018,9 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
+ 	if (intel_hdmi->color_range)
+ 		pipe_config->limited_color_range = true;
+
++	if (intel_hdmi->color_range_video)
++		pipe_config->video_color_range = true;
++
+ 	if (HAS_PCH_SPLIT(dev) && !HAS_DDI(dev))
+ 		pipe_config->has_pch_encoder = true;
+
+@@ -1209,25 +1213,34 @@ intel_hdmi_set_property(struct drm_connector *connector,
+ 	if (property == dev_priv->broadcast_rgb_property) {
+ 		bool old_auto = intel_hdmi->color_range_auto;
+ 		uint32_t old_range = intel_hdmi->color_range;
++		bool old_range_video = intel_hdmi->color_range_video;
+
+ 		switch (val) {
+ 		case INTEL_BROADCAST_RGB_AUTO:
+ 			intel_hdmi->color_range_auto = true;
++			intel_hdmi->color_range_video = false;
+ 			break;
+ 		case INTEL_BROADCAST_RGB_FULL:
+ 			intel_hdmi->color_range_auto = false;
+ 			intel_hdmi->color_range = 0;
++			intel_hdmi->color_range_video = false;
+ 			break;
+ 		case INTEL_BROADCAST_RGB_LIMITED:
+ 			intel_hdmi->color_range_auto = false;
+ 			intel_hdmi->color_range = HDMI_COLOR_RANGE_16_235;
++			intel_hdmi->color_range_video = true;
+ 			break;
++		case INTEL_BROADCAST_RGB_VIDEO:
++			intel_hdmi->color_range_auto = false;
++			intel_hdmi->color_range = 0;
++			intel_hdmi->color_range_video = true;
+ 		default:
+ 			return -EINVAL;
+ 		}
+
+ 		if (old_auto == intel_hdmi->color_range_auto &&
+-		    old_range == intel_hdmi->color_range)
++		    old_range == intel_hdmi->color_range &&
++		    old_range_video == intel_hdmi->color_range_video)
+ 			return 0;
+
+ 		goto done;
+diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
+index 0e860f3..db39cbb 100644
+--- a/drivers/gpu/drm/i915/intel_modes.c
++++ b/drivers/gpu/drm/i915/intel_modes.c
+@@ -103,6 +103,7 @@ static const struct drm_prop_enum_list broadcast_rgb_names[] = {
+ 	{ INTEL_BROADCAST_RGB_AUTO, "Automatic" },
+ 	{ INTEL_BROADCAST_RGB_FULL, "Full" },
+ 	{ INTEL_BROADCAST_RGB_LIMITED, "Limited 16:235" },
++	{ INTEL_BROADCAST_RGB_VIDEO, "Video 16:235 pass-through" },
+ };
+
+ void
+-- 
+2.1.4
+

projects/Generic/filesystem/usr/bin/intel-fullrange.sh

@@ -4,6 +4,6 @@ FB_TYPE="$(grep '^0 ' /proc/fb | sed 's/[^[:space:]] //')"
 if [ "$FB_TYPE" == "inteldrmfb" ]; then
   OUTPUT=`/usr/bin/xrandr -display :0 -q | sed '/ connected/!d;s/ .*//;q'`
   for out in $OUTPUT ; do
-    /usr/bin/xrandr -display :0 --output $out --set "Broadcast RGB" "Full"
+    /usr/bin/xrandr -display :0 --output $out --set "Broadcast RGB" "Video 16:235 pass-through"
   done
 fi