Merge "drm/msm: Add DRM EDID parser for external displays"

11 files changed, 1787 insertions, 323 deletions

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 1375e485f39f..02a60a1df50d 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -89,6 +89,14 @@ struct detailed_mode_closure {
 #define LEVEL_GTF2	2
 #define LEVEL_CVT	3
 
+/*Enum storing luminance types for HDR blocks in EDID*/
+enum luminance_value {
+	NO_LUMINANCE_DATA = 3,
+	MAXIMUM_LUMINANCE = 4,
+	FRAME_AVERAGE_LUMINANCE = 5,
+	MINIMUM_LUMINANCE = 6
+};
+
 static struct edid_quirk {
 	char vendor[4];
 	int product_id;
@@ -992,6 +1000,221 @@ static const struct drm_display_mode edid_cea_modes[] = {
 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
 	 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+	/* 65 - 1280x720@24Hz */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
+		   3080, 3300, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 66 - 1280x720@25Hz */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
+		   3740, 3960, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 67 - 1280x720@30Hz */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
+		   3080, 3300, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 68 - 1280x720@50Hz */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
+		   1760, 1980, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 69 - 1280x720@60Hz */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
+		   1430, 1650, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 70 - 1280x720@100Hz */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
+		   1760, 1980, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 71 - 1280x720@120Hz */
+	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
+		   1430, 1650, 0, 720, 725, 730, 750, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 72 - 1920x1080@24Hz */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
+		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 73 - 1920x1080@25Hz */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
+		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 74 - 1920x1080@30Hz */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
+		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 75 - 1920x1080@50Hz */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
+		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 76 - 1920x1080@60Hz */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
+		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 77 - 1920x1080@100Hz */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
+		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 78 - 1920x1080@120Hz */
+	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
+		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 79 - 1680x720@24Hz */
+	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
+		3080, 3300, 0, 720, 725, 730, 750, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 80 - 1680x720@25Hz */
+	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
+		2948, 3168, 0, 720, 725, 730, 750, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 81 - 1680x720@30Hz */
+	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
+		2420, 2640, 0, 720, 725, 730, 750, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 82 - 1680x720@50Hz */
+	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
+		1980, 2200, 0, 720, 725, 730, 750, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 83 - 1680x720@60Hz */
+	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
+		1980, 2200, 0, 720, 725, 730, 750, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 84 - 1680x720@100Hz */
+	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
+		1780, 2000, 0, 720, 725, 730, 825, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 85 - 1680x720@120Hz */
+	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
+		1780, 2000, 0, 720, 725, 730, 825, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 86 - 2560x1080@24Hz */
+	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
+		3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 87 - 2560x1080@25Hz */
+	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
+		3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 88 - 2560x1080@30Hz */
+	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
+		3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 89 - 2560x1080@50Hz */
+	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
+		3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 90 - 2560x1080@60Hz */
+	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
+		2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 91 - 2560x1080@100Hz */
+	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
+		2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 92 - 2560x1080@120Hz */
+	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
+		3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+	/* 93 - 3840x2160p@24Hz 16:9 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
+		5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9,},
+	/* 94 - 3840x2160p@25Hz 16:9 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
+		4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9},
+	/* 95 - 3840x2160p@30Hz 16:9 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
+		4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9},
+	/* 96 - 3840x2160p@50Hz 16:9 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
+		4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9},
+	/* 97 - 3840x2160p@60Hz 16:9 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
+		4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9},
+	/* 98 - 4096x2160p@24Hz 256:135 */
+	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
+		5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135},
+	/* 99 - 4096x2160p@25Hz 256:135 */
+	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
+		5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135},
+	/* 100 - 4096x2160p@30Hz 256:135 */
+	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
+		4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135},
+	/* 101 - 4096x2160p@50Hz 256:135 */
+	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
+		5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135},
+	/* 102 - 4096x2160p@60Hz 256:135 */
+	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
+		4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135},
+	/* 103 - 3840x2160p@24Hz 64:27 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
+		5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27},
+	/* 104 - 3840x2160p@25Hz 64:27 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
+		4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27},
+	/* 105 - 3840x2160p@30Hz 64:27 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
+		4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27},
+	/* 106 - 3840x2160p@50Hz 64:27 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
+		4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27},
+	/* 107 - 3840x2160p@60Hz 64:27 */
+	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
+		4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+		DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+	.vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27},
 };
 
 /*
@@ -2482,12 +2705,15 @@ add_detailed_modes(struct drm_connector *connector, struct edid *edid,
 
 	return closure.modes;
 }
-
+#define VIDEO_CAPABILITY_EXTENDED_DATA_BLOCK 0x0
 #define AUDIO_BLOCK	0x01
 #define VIDEO_BLOCK     0x02
 #define VENDOR_BLOCK    0x03
 #define SPEAKER_BLOCK	0x04
+#define HDR_STATIC_METADATA_EXTENDED_DATA_BLOCK 0x06
+#define EXTENDED_TAG  0x07
 #define VIDEO_CAPABILITY_BLOCK	0x07
+#define Y420_VIDEO_DATA_BLOCK	0x0E
 #define EDID_BASIC_AUDIO	(1 << 6)
 #define EDID_CEA_YCRCB444	(1 << 5)
 #define EDID_CEA_YCRCB422	(1 << 4)
@@ -3245,6 +3471,227 @@ parse_hdmi_hf_vsdb(struct drm_connector *connector, const u8 *db)
 }
 
 static void
+drm_hdmi_extract_vsdbs_info(struct drm_connector *connector, struct edid *edid)
+{
+	const u8 *cea = drm_find_cea_extension(edid);
+	const u8 *db = NULL;
+
+	if (cea && cea_revision(cea) >= 3) {
+		int i, start, end;
+
+		if (cea_db_offsets(cea, &start, &end))
+			return;
+
+		for_each_cea_db(cea, i, start, end) {
+			db = &cea[i];
+
+			if (cea_db_tag(db) == VENDOR_BLOCK) {
+				/* HDMI Vendor-Specific Data Block */
+				if (cea_db_is_hdmi_vsdb(db))
+					parse_hdmi_vsdb(connector, db);
+				/* HDMI Forum Vendor-Specific Data Block */
+				else if (cea_db_is_hdmi_hf_vsdb(db))
+					parse_hdmi_hf_vsdb(connector, db);
+			}
+		}
+	}
+}
+
+/*
+ * drm_extract_vcdb_info - Parse the HDMI Video Capability Data Block
+ * @connector: connector corresponding to the HDMI sink
+ * @db: start of the CEA vendor specific block
+ *
+ * Parses the HDMI VCDB to extract sink info for @connector.
+ */
+static void
+drm_extract_vcdb_info(struct drm_connector *connector, const u8 *db)
+{
+	/*
+	 * Check if the sink specifies underscan
+	 * support for:
+	 * BIT 5: preferred video format
+	 * BIT 3: IT video format
+	 * BIT 1: CE video format
+	 */
+
+	connector->pt_scan_info =
+		(db[2] & (BIT(4) | BIT(5))) >> 4;
+	connector->it_scan_info =
+		(db[2] & (BIT(3) | BIT(2))) >> 2;
+	connector->ce_scan_info =
+		db[2] & (BIT(1) | BIT(0));
+
+	DRM_DEBUG_KMS("Scan Info (pt|it|ce): (%d|%d|%d)",
+			  (int) connector->pt_scan_info,
+			  (int) connector->it_scan_info,
+			  (int) connector->ce_scan_info);
+}
+
+static bool drm_edid_is_luminance_value_present(
+u32 block_length, enum luminance_value value)
+{
+	return block_length > NO_LUMINANCE_DATA && value <= block_length;
+}
+
+/*
+ * drm_extract_hdr_db - Parse the HDMI HDR extended block
+ * @connector: connector corresponding to the HDMI sink
+ * @db: start of the HDMI HDR extended block
+ *
+ * Parses the HDMI HDR extended block to extract sink info for @connector.
+ */
+static void
+drm_extract_hdr_db(struct drm_connector *connector, const u8 *db)
+{
+
+	u8 len = 0;
+
+	if (!db) {
+		DRM_ERROR("invalid db\n");
+		return;
+	}
+
+	len = db[0] & 0x1f;
+	/* Byte 3: Electro-Optical Transfer Functions */
+	connector->hdr_eotf = db[2] & 0x3F;
+
+	/* Byte 4: Static Metadata Descriptor Type 1 */
+	connector->hdr_metadata_type_one = (db[3] & BIT(0));
+
+	/* Byte 5: Desired Content Maximum Luminance */
+	if (drm_edid_is_luminance_value_present(len, MAXIMUM_LUMINANCE))
+		connector->hdr_max_luminance =
+			db[MAXIMUM_LUMINANCE];
+
+	/* Byte 6: Desired Content Max Frame-average Luminance */
+	if (drm_edid_is_luminance_value_present(len, FRAME_AVERAGE_LUMINANCE))
+		connector->hdr_avg_luminance =
+			db[FRAME_AVERAGE_LUMINANCE];
+
+	/* Byte 7: Desired Content Min Luminance */
+	if (drm_edid_is_luminance_value_present(len, MINIMUM_LUMINANCE))
+		connector->hdr_min_luminance =
+			db[MINIMUM_LUMINANCE];
+
+	connector->hdr_supported = true;
+
+	DRM_DEBUG_KMS("HDR electro-optical %d\n", connector->hdr_eotf);
+	DRM_DEBUG_KMS("metadata desc 1 %d\n", connector->hdr_metadata_type_one);
+	DRM_DEBUG_KMS("max luminance %d\n", connector->hdr_max_luminance);
+	DRM_DEBUG_KMS("avg luminance %d\n", connector->hdr_avg_luminance);
+	DRM_DEBUG_KMS("min luminance %d\n", connector->hdr_min_luminance);
+}
+
+/*
+ * drm_hdmi_extract_extended_blk_info - Parse the HDMI extended tag blocks
+ * @connector: connector corresponding to the HDMI sink
+ * @edid: handle to the EDID structure
+ * Parses the all extended tag blocks extract sink info for @connector.
+ */
+static void
+drm_hdmi_extract_extended_blk_info(struct drm_connector *connector,
+struct edid *edid)
+{
+	const u8 *cea = drm_find_cea_extension(edid);
+	const u8 *db = NULL;
+
+	if (cea && cea_revision(cea) >= 3) {
+		int i, start, end;
+
+		if (cea_db_offsets(cea, &start, &end))
+			return;
+
+		for_each_cea_db(cea, i, start, end) {
+			db = &cea[i];
+
+			if (cea_db_tag(db) == EXTENDED_TAG) {
+				DRM_DEBUG_KMS("found extended tag block = %d\n",
+				db[1]);
+				switch (db[1]) {
+				case VIDEO_CAPABILITY_EXTENDED_DATA_BLOCK:
+					drm_extract_vcdb_info(connector, db);
+					break;
+				case HDR_STATIC_METADATA_EXTENDED_DATA_BLOCK:
+					drm_extract_hdr_db(connector, db);
+					break;
+				default:
+					break;
+				}
+			}
+		}
+	}
+}
+
+static u8 *
+drm_edid_find_extended_tag_block(struct edid *edid, int blk_id)
+{
+	u8 *db = NULL;
+	u8 *cea = NULL;
+
+	if (!edid) {
+		pr_err("%s: invalid input\n", __func__);
+		return NULL;
+	}
+
+	cea = drm_find_cea_extension(edid);
+
+	if (cea && cea_revision(cea) >= 3) {
+		int i, start, end;
+
+		if (cea_db_offsets(cea, &start, &end))
+			return NULL;
+
+		for_each_cea_db(cea, i, start, end) {
+			db = &cea[i];
+			if ((cea_db_tag(db) == EXTENDED_TAG) &&
+				(db[1] == blk_id))
+				return db;
+		}
+	}
+	return NULL;
+}
+
+/*
+ * add_YCbCr420VDB_modes - add the modes found in Ycbcr420 VDB block
+ * @connector: connector corresponding to the HDMI sink
+ * @edid: handle to the EDID structure
+ * Parses the YCbCr420 VDB block and adds the modes to @connector.
+ */
+static int
+add_YCbCr420VDB_modes(struct drm_connector *connector, struct edid *edid)
+{
+
+	const u8 *db = NULL;
+	u32 i = 0;
+	u32 modes = 0;
+	u32 video_format = 0;
+	u8 len = 0;
+
+	/*Find the YCbCr420 VDB*/
+	db = drm_edid_find_extended_tag_block(edid, Y420_VIDEO_DATA_BLOCK);
+	/* Offset to byte 3 */
+	if (db) {
+		len = db[0] & 0x1F;
+		db += 2;
+		for (i = 0; i < len - 1; i++) {
+			struct drm_display_mode *mode;
+
+			video_format = *(db + i) & 0x7F;
+			mode = drm_display_mode_from_vic_index(connector,
+					db, len-1, i);
+			if (mode) {
+				DRM_DEBUG_KMS("Adding mode for vic = %d\n",
+				video_format);
+				drm_mode_probed_add(connector, mode);
+				modes++;
+			}
+		}
+	}
+	return modes;
+}
+
+static void
 monitor_name(struct detailed_timing *t, void *data)
 {
 	if (t->data.other_data.type == EDID_DETAIL_MONITOR_NAME)
@@ -3782,6 +4229,10 @@ static void drm_add_display_info(struct edid *edid,
 			info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
 	}
 
+	/* Extract audio and video latency fields for the sink */
+	drm_hdmi_extract_vsdbs_info(connector, edid);
+	/* Extract info from extended tag blocks */
+	drm_hdmi_extract_extended_blk_info(connector, edid);
 	/* HDMI deep color modes supported? Assign to info, if so */
 	drm_assign_hdmi_deep_color_info(edid, info, connector);
 
@@ -4012,6 +4463,7 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
 	num_modes += add_cea_modes(connector, edid);
 	num_modes += add_alternate_cea_modes(connector, edid);
 	num_modes += add_displayid_detailed_modes(connector, edid);
+	num_modes += add_YCbCr420VDB_modes(connector, edid);
 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
 		num_modes += add_inferred_modes(connector, edid);
 
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index ebf8be80a3d9..3d0617dbc514 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -49,6 +49,7 @@ msm_drm-y := \
 	sde/sde_vbif.o \
 	sde_dbg_evtlog.o \
 	sde_io_util.o \
+	sde_edid_parser.o
 
 # use drm gpu driver only if qcom_kgsl driver not available
 ifneq ($(CONFIG_QCOM_KGSL),y)
@@ -102,7 +103,6 @@ msm_drm-$(CONFIG_DRM_SDE_HDMI) += \
 	hdmi-staging/sde_hdmi.o \
 	hdmi-staging/sde_hdmi_bridge.o \
 	hdmi-staging/sde_hdmi_audio.o \
-	hdmi-staging/sde_hdmi_edid.o
 
 msm_drm-$(CONFIG_DRM_MSM_DSI_PLL) += dsi/pll/dsi_pll.o \
 				dsi/pll/dsi_pll_28nm.o
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
index 7d166aacbec7..8e13ee75aa5b 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
@@ -32,6 +32,22 @@
 static DEFINE_MUTEX(sde_hdmi_list_lock);
 static LIST_HEAD(sde_hdmi_list);
 
+/* HDMI SCDC register offsets */
+#define HDMI_SCDC_UPDATE_0              0x10
+#define HDMI_SCDC_UPDATE_1              0x11
+#define HDMI_SCDC_TMDS_CONFIG           0x20
+#define HDMI_SCDC_SCRAMBLER_STATUS      0x21
+#define HDMI_SCDC_CONFIG_0              0x30
+#define HDMI_SCDC_STATUS_FLAGS_0        0x40
+#define HDMI_SCDC_STATUS_FLAGS_1        0x41
+#define HDMI_SCDC_ERR_DET_0_L           0x50
+#define HDMI_SCDC_ERR_DET_0_H           0x51
+#define HDMI_SCDC_ERR_DET_1_L           0x52
+#define HDMI_SCDC_ERR_DET_1_H           0x53
+#define HDMI_SCDC_ERR_DET_2_L           0x54
+#define HDMI_SCDC_ERR_DET_2_H           0x55
+#define HDMI_SCDC_ERR_DET_CHECKSUM      0x56
+
 static const struct of_device_id sde_hdmi_dt_match[] = {
 	{.compatible = "qcom,hdmi-display"},
 	{}
@@ -395,20 +411,28 @@ static void _sde_hdmi_hotplug_work(struct work_struct *work)
 	struct sde_hdmi *sde_hdmi =
 		container_of(work, struct sde_hdmi, hpd_work);
 	struct drm_connector *connector;
+	struct hdmi *hdmi = NULL;
+	u32 hdmi_ctrl;
 
 	if (!sde_hdmi || !sde_hdmi->ctrl.ctrl ||
-		!sde_hdmi->ctrl.ctrl->connector) {
+		!sde_hdmi->ctrl.ctrl->connector ||
+		!sde_hdmi->edid_ctrl) {
 		SDE_ERROR("sde_hdmi=%p or hdmi or connector is NULL\n",
 				sde_hdmi);
 		return;
 	}
-
+	hdmi = sde_hdmi->ctrl.ctrl;
 	connector = sde_hdmi->ctrl.ctrl->connector;
 
-	if (sde_hdmi->connected)
-		sde_hdmi_get_edid(connector, sde_hdmi);
-	else
-		sde_hdmi_free_edid(sde_hdmi);
+	if (sde_hdmi->connected) {
+		hdmi_ctrl = hdmi_read(hdmi, REG_HDMI_CTRL);
+		hdmi_write(hdmi, REG_HDMI_CTRL, hdmi_ctrl | HDMI_CTRL_ENABLE);
+		sde_get_edid(connector, hdmi->i2c,
+		(void **)&sde_hdmi->edid_ctrl);
+		hdmi_write(hdmi, REG_HDMI_CTRL, hdmi_ctrl);
+		hdmi->hdmi_mode = sde_detect_hdmi_monitor(sde_hdmi->edid_ctrl);
+	} else
+		sde_free_edid((void **)&sde_hdmi->edid_ctrl);
 
 	sde_hdmi_notify_clients(connector, sde_hdmi->connected);
 	drm_helper_hpd_irq_event(connector->dev);
@@ -431,7 +455,7 @@ static void _sde_hdmi_connector_irq(struct sde_hdmi *sde_hdmi)
 		hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL,
 			HDMI_HPD_INT_CTRL_INT_ACK);
 
-		DRM_DEBUG("status=%04x, ctrl=%04x", hpd_int_status,
+		SDE_HDMI_DEBUG("status=%04x, ctrl=%04x", hpd_int_status,
 				hpd_int_ctrl);
 
 		/* detect disconnect if we are connected or visa versa: */
@@ -504,11 +528,11 @@ static int _sde_hdmi_get_audio_edid_blk(struct platform_device *pdev,
 		return -ENODEV;
 	}
 
-	blk->audio_data_blk = display->edid.audio_data_block;
-	blk->audio_data_blk_size = display->edid.adb_size;
+	blk->audio_data_blk = display->edid_ctrl->audio_data_block;
+	blk->audio_data_blk_size = display->edid_ctrl->adb_size;
 
-	blk->spk_alloc_data_blk = display->edid.spkr_alloc_data_block;
-	blk->spk_alloc_data_blk_size = display->edid.sadb_size;
+	blk->spk_alloc_data_blk = display->edid_ctrl->spkr_alloc_data_block;
+	blk->spk_alloc_data_blk_size = display->edid_ctrl->sadb_size;
 
 	return 0;
 }
@@ -634,10 +658,249 @@ void sde_hdmi_set_mode(struct hdmi *hdmi, bool power_on)
 
 	hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
 	spin_unlock_irqrestore(&hdmi->reg_lock, flags);
-	DRM_DEBUG("HDMI Core: %s, HDMI_CTRL=0x%08x\n",
+	SDE_HDMI_DEBUG("HDMI Core: %s, HDMI_CTRL=0x%08x\n",
 			power_on ? "Enable" : "Disable", ctrl);
 }
 
+int sde_hdmi_ddc_read(struct hdmi *hdmi, u16 addr, u8 offset,
+					  u8 *data, u16 data_len)
+{
+	int rc;
+	int retry = 5;
+	struct i2c_msg msgs[] = {
+		{
+			.addr   = addr >> 1,
+			.flags  = 0,
+			.len    = 1,
+			.buf    = &offset,
+		}, {
+			.addr   = addr >> 1,
+			.flags  = I2C_M_RD,
+			.len    = data_len,
+			.buf    = data,
+		}
+	};
+
+	SDE_HDMI_DEBUG("Start DDC read");
+ retry:
+	rc = i2c_transfer(hdmi->i2c, msgs, 2);
+
+	retry--;
+	if (rc == 2)
+		rc = 0;
+	else if (retry > 0)
+		goto retry;
+	else
+		rc = -EIO;
+
+	SDE_HDMI_DEBUG("End DDC read %d", rc);
+
+	return rc;
+}
+
+#define DDC_WRITE_MAX_BYTE_NUM 32
+
+int sde_hdmi_ddc_write(struct hdmi *hdmi, u16 addr, u8 offset,
+					   u8 *data, u16 data_len)
+{
+	int rc;
+	int retry = 10;
+	u8 buf[DDC_WRITE_MAX_BYTE_NUM];
+	struct i2c_msg msgs[] = {
+		{
+			.addr   = addr >> 1,
+			.flags  = 0,
+			.len    = 1,
+		}
+	};
+
+	SDE_HDMI_DEBUG("Start DDC write");
+	if (data_len > (DDC_WRITE_MAX_BYTE_NUM - 1)) {
+		SDE_ERROR("%s: write size too big\n", __func__);
+		return -ERANGE;
+	}
+
+	buf[0] = offset;
+	memcpy(&buf[1], data, data_len);
+	msgs[0].buf = buf;
+	msgs[0].len = data_len + 1;
+ retry:
+	rc = i2c_transfer(hdmi->i2c, msgs, 1);
+
+	retry--;
+	if (rc == 1)
+		rc = 0;
+	else if (retry > 0)
+		goto retry;
+	else
+		rc = -EIO;
+
+	SDE_HDMI_DEBUG("End DDC write %d", rc);
+
+	return rc;
+}
+
+int sde_hdmi_scdc_read(struct hdmi *hdmi, u32 data_type, u32 *val)
+{
+	int rc = 0;
+	u8 data_buf[2] = {0};
+	u16 dev_addr, data_len;
+	u8 offset;
+
+	if (!hdmi || !hdmi->i2c || !val) {
+		SDE_ERROR("Bad Parameters\n");
+		return -EINVAL;
+	}
+
+	if (data_type >= HDMI_TX_SCDC_MAX) {
+		SDE_ERROR("Unsupported data type\n");
+		return -EINVAL;
+	}
+
+	dev_addr = 0xA8;
+
+	switch (data_type) {
+	case HDMI_TX_SCDC_SCRAMBLING_STATUS:
+		data_len = 1;
+		offset = HDMI_SCDC_SCRAMBLER_STATUS;
+		break;
+	case HDMI_TX_SCDC_SCRAMBLING_ENABLE:
+	case HDMI_TX_SCDC_TMDS_BIT_CLOCK_RATIO_UPDATE:
+		data_len = 1;
+		offset = HDMI_SCDC_TMDS_CONFIG;
+		break;
+	case HDMI_TX_SCDC_CLOCK_DET_STATUS:
+	case HDMI_TX_SCDC_CH0_LOCK_STATUS:
+	case HDMI_TX_SCDC_CH1_LOCK_STATUS:
+	case HDMI_TX_SCDC_CH2_LOCK_STATUS:
+		data_len = 1;
+		offset = HDMI_SCDC_STATUS_FLAGS_0;
+		break;
+	case HDMI_TX_SCDC_CH0_ERROR_COUNT:
+		data_len = 2;
+		offset = HDMI_SCDC_ERR_DET_0_L;
+		break;
+	case HDMI_TX_SCDC_CH1_ERROR_COUNT:
+		data_len = 2;
+		offset = HDMI_SCDC_ERR_DET_1_L;
+		break;
+	case HDMI_TX_SCDC_CH2_ERROR_COUNT:
+		data_len = 2;
+		offset = HDMI_SCDC_ERR_DET_2_L;
+		break;
+	case HDMI_TX_SCDC_READ_ENABLE:
+		data_len = 1;
+		offset = HDMI_SCDC_CONFIG_0;
+		break;
+	default:
+		break;
+	}
+
+	rc = sde_hdmi_ddc_read(hdmi, dev_addr, offset, data_buf, data_len);
+	if (rc) {
+		SDE_ERROR("DDC Read failed for %d\n", data_type);
+		return rc;
+	}
+
+	switch (data_type) {
+	case HDMI_TX_SCDC_SCRAMBLING_STATUS:
+		*val = (data_buf[0] & BIT(0)) ? 1 : 0;
+		break;
+	case HDMI_TX_SCDC_SCRAMBLING_ENABLE:
+		*val = (data_buf[0] & BIT(0)) ? 1 : 0;
+		break;
+	case HDMI_TX_SCDC_TMDS_BIT_CLOCK_RATIO_UPDATE:
+		*val = (data_buf[0] & BIT(1)) ? 1 : 0;
+		break;
+	case HDMI_TX_SCDC_CLOCK_DET_STATUS:
+		*val = (data_buf[0] & BIT(0)) ? 1 : 0;
+		break;
+	case HDMI_TX_SCDC_CH0_LOCK_STATUS:
+		*val = (data_buf[0] & BIT(1)) ? 1 : 0;
+		break;
+	case HDMI_TX_SCDC_CH1_LOCK_STATUS:
+		*val = (data_buf[0] & BIT(2)) ? 1 : 0;
+		break;
+	case HDMI_TX_SCDC_CH2_LOCK_STATUS:
+		*val = (data_buf[0] & BIT(3)) ? 1 : 0;
+		break;
+	case HDMI_TX_SCDC_CH0_ERROR_COUNT:
+	case HDMI_TX_SCDC_CH1_ERROR_COUNT:
+	case HDMI_TX_SCDC_CH2_ERROR_COUNT:
+		if (data_buf[1] & BIT(7))
+			*val = (data_buf[0] | ((data_buf[1] & 0x7F) << 8));
+		else
+			*val = 0;
+		break;
+	case HDMI_TX_SCDC_READ_ENABLE:
+		*val = (data_buf[0] & BIT(0)) ? 1 : 0;
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+int sde_hdmi_scdc_write(struct hdmi *hdmi, u32 data_type, u32 val)
+{
+	int rc = 0;
+	u8 data_buf[2] = {0};
+	u8 read_val = 0;
+	u16 dev_addr, data_len;
+	u8 offset;
+
+	if (!hdmi || !hdmi->i2c) {
+		SDE_ERROR("Bad Parameters\n");
+		return -EINVAL;
+	}
+
+	if (data_type >= HDMI_TX_SCDC_MAX) {
+		SDE_ERROR("Unsupported data type\n");
+		return -EINVAL;
+	}
+
+	dev_addr = 0xA8;
+
+	switch (data_type) {
+	case HDMI_TX_SCDC_SCRAMBLING_ENABLE:
+	case HDMI_TX_SCDC_TMDS_BIT_CLOCK_RATIO_UPDATE:
+		dev_addr = 0xA8;
+		data_len = 1;
+		offset = HDMI_SCDC_TMDS_CONFIG;
+		rc = sde_hdmi_ddc_read(hdmi, dev_addr, offset, &read_val,
+							   data_len);
+		if (rc) {
+			SDE_ERROR("scdc read failed\n");
+			return rc;
+		}
+		if (data_type == HDMI_TX_SCDC_SCRAMBLING_ENABLE) {
+			data_buf[0] = ((((u8)(read_val & 0xFF)) & (~BIT(0))) |
+						   ((u8)(val & BIT(0))));
+		} else {
+			data_buf[0] = ((((u8)(read_val & 0xFF)) & (~BIT(1))) |
+						   (((u8)(val & BIT(0))) << 1));
+		}
+		break;
+	case HDMI_TX_SCDC_READ_ENABLE:
+		data_len = 1;
+		offset = HDMI_SCDC_CONFIG_0;
+		data_buf[0] = (u8)(val & 0x1);
+		break;
+	default:
+		SDE_ERROR("Cannot write to read only reg (%d)\n",
+				  data_type);
+		return -EINVAL;
+	}
+
+	rc = sde_hdmi_ddc_write(hdmi, dev_addr, offset, data_buf, data_len);
+	if (rc) {
+		SDE_ERROR("DDC Read failed for %d\n", data_type);
+		return rc;
+	}
+	return 0;
+}
+
 int sde_hdmi_get_info(struct msm_display_info *info,
 				void *display)
 {
@@ -775,8 +1038,6 @@ sde_hdmi_connector_detect(struct drm_connector *connector,
 		return status;
 	}
 
-	SDE_DEBUG("\n");
-
 	/* get display dsi_info */
 	memset(&info, 0x0, sizeof(info));
 	rc = sde_hdmi_get_info(&info, display);
@@ -797,25 +1058,6 @@ sde_hdmi_connector_detect(struct drm_connector *connector,
 	return status;
 }
 
-int _sde_hdmi_update_modes(struct drm_connector *connector,
-	struct sde_hdmi *display)
-{
-	int rc = 0;
-	struct hdmi_edid_ctrl *edid_ctrl = &display->edid;
-
-	if (edid_ctrl->edid) {
-		drm_mode_connector_update_edid_property(connector,
-			edid_ctrl->edid);
-
-		rc = drm_add_edid_modes(connector, edid_ctrl->edid);
-		return rc;
-	}
-
-	drm_mode_connector_update_edid_property(connector, NULL);
-
-	return rc;
-}
-
 int sde_hdmi_connector_get_modes(struct drm_connector *connector, void *display)
 {
 	struct sde_hdmi *hdmi_display = (struct sde_hdmi *)display;
@@ -828,8 +1070,6 @@ int sde_hdmi_connector_get_modes(struct drm_connector *connector, void *display)
 		return 0;
 	}
 
-	SDE_DEBUG("\n");
-
 	if (hdmi_display->non_pluggable) {
 		list_for_each_entry(mode, &hdmi_display->mode_list, head) {
 			m = drm_mode_duplicate(connector->dev, mode);
@@ -842,7 +1082,9 @@ int sde_hdmi_connector_get_modes(struct drm_connector *connector, void *display)
 		}
 		ret = hdmi_display->num_of_modes;
 	} else {
-		ret = _sde_hdmi_update_modes(connector, display);
+		/* pluggable case assumes EDID is read when HPD */
+		ret = _sde_edid_update_modes(connector,
+			hdmi_display->edid_ctrl);
 	}
 
 	return ret;
@@ -864,8 +1106,6 @@ enum drm_mode_status sde_hdmi_mode_valid(struct drm_connector *connector,
 		return 0;
 	}
 
-	SDE_DEBUG("\n");
-
 	hdmi = hdmi_display->ctrl.ctrl;
 	priv = connector->dev->dev_private;
 	kms = priv->kms;
@@ -873,7 +1113,7 @@ enum drm_mode_status sde_hdmi_mode_valid(struct drm_connector *connector,
 	actual = kms->funcs->round_pixclk(kms,
 			requested, hdmi->encoder);
 
-	SDE_DEBUG("requested=%ld, actual=%ld", requested, actual);
+	SDE_HDMI_DEBUG("requested=%ld, actual=%ld", requested, actual);
 
 	if (actual != requested)
 		return MODE_CLOCK_RANGE;
@@ -909,7 +1149,7 @@ static int sde_hdmi_bind(struct device *dev, struct device *master, void *data)
 	struct msm_drm_private *priv = NULL;
 	struct platform_device *pdev = to_platform_device(dev);
 
-	SDE_ERROR("E\n");
+	SDE_HDMI_DEBUG(" %s +\n", __func__);
 	if (!dev || !pdev || !master) {
 		pr_err("invalid param(s), dev %pK, pdev %pK, master %pK\n",
 			dev, pdev, master);
@@ -941,16 +1181,16 @@ static int sde_hdmi_bind(struct device *dev, struct device *master, void *data)
 		goto error;
 	}
 
-	rc = sde_hdmi_edid_init(display);
-	if (rc) {
-		SDE_ERROR("[%s]Ext Disp init failed, rc=%d\n",
-				display->name, rc);
+	display->edid_ctrl = sde_edid_init();
+	if (!display->edid_ctrl) {
+		SDE_ERROR("[%s]sde edid init failed\n",
+				display->name);
+		rc = -ENOMEM;
 		goto error;
 	}
 
 	display_ctrl = &display->ctrl;
 	display_ctrl->ctrl = priv->hdmi;
-	SDE_ERROR("display_ctrl->ctrl=%p\n", display_ctrl->ctrl);
 	display->drm_dev = drm;
 
 error:
@@ -978,7 +1218,7 @@ static void sde_hdmi_unbind(struct device *dev, struct device *master,
 	}
 	mutex_lock(&display->display_lock);
 	(void)_sde_hdmi_debugfs_deinit(display);
-	(void)sde_hdmi_edid_deinit(display);
+	(void)sde_edid_deinit((void **)&display->edid_ctrl);
 	display->drm_dev = NULL;
 	mutex_unlock(&display->display_lock);
 }
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
index 869d1bebf9db..bb3061a6ed00 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
@@ -25,9 +25,13 @@
 #include <drm/drm_crtc.h>
 #include "hdmi.h"
 
-#define MAX_NUMBER_ADB 5
-#define MAX_AUDIO_DATA_BLOCK_SIZE 30
-#define MAX_SPKR_ALLOC_DATA_BLOCK_SIZE 3
+#include "sde_edid_parser.h"
+
+#ifdef HDMI_DEBUG_ENABLE
+#define SDE_HDMI_DEBUG(fmt, args...)   SDE_ERROR(fmt, ##args)
+#else
+#define SDE_HDMI_DEBUG(fmt, args...)   SDE_DEBUG(fmt, ##args)
+#endif
 
 /**
  * struct sde_hdmi_info - defines hdmi display properties
@@ -64,14 +68,6 @@ struct sde_hdmi_ctrl {
 	u32 hdmi_ctrl_idx;
 };
 
-struct hdmi_edid_ctrl {
-	struct edid *edid;
-	u8 audio_data_block[MAX_NUMBER_ADB * MAX_AUDIO_DATA_BLOCK_SIZE];
-	int adb_size;
-	u8 spkr_alloc_data_block[MAX_SPKR_ALLOC_DATA_BLOCK_SIZE];
-	int sadb_size;
-};
-
 /**
  * struct sde_hdmi - hdmi display information
  * @pdev:             Pointer to platform device.
@@ -102,7 +98,7 @@ struct sde_hdmi {
 
 	struct platform_device *ext_pdev;
 	struct msm_ext_disp_init_data ext_audio_data;
-	struct hdmi_edid_ctrl edid;
+	struct sde_edid_ctrl *edid_ctrl;
 
 	bool non_pluggable;
 	u32 num_of_modes;
@@ -116,6 +112,38 @@ struct sde_hdmi {
 	struct dentry *root;
 };
 
+/**
+ * hdmi_tx_scdc_access_type() - hdmi 2.0 DDC functionalities.
+ */
+enum hdmi_tx_scdc_access_type {
+	HDMI_TX_SCDC_SCRAMBLING_STATUS,
+	HDMI_TX_SCDC_SCRAMBLING_ENABLE,
+	HDMI_TX_SCDC_TMDS_BIT_CLOCK_RATIO_UPDATE,
+	HDMI_TX_SCDC_CLOCK_DET_STATUS,
+	HDMI_TX_SCDC_CH0_LOCK_STATUS,
+	HDMI_TX_SCDC_CH1_LOCK_STATUS,
+	HDMI_TX_SCDC_CH2_LOCK_STATUS,
+	HDMI_TX_SCDC_CH0_ERROR_COUNT,
+	HDMI_TX_SCDC_CH1_ERROR_COUNT,
+	HDMI_TX_SCDC_CH2_ERROR_COUNT,
+	HDMI_TX_SCDC_READ_ENABLE,
+	HDMI_TX_SCDC_MAX,
+};
+
+#define HDMI_KHZ_TO_HZ 1000
+#define HDMI_MHZ_TO_HZ 1000000
+/**
+ * hdmi_tx_ddc_timer_type() - hdmi DDC timer functionalities.
+ */
+enum hdmi_tx_ddc_timer_type {
+	HDMI_TX_DDC_TIMER_HDCP2P2_RD_MSG,
+	HDMI_TX_DDC_TIMER_SCRAMBLER_STATUS,
+	HDMI_TX_DDC_TIMER_UPDATE_FLAGS,
+	HDMI_TX_DDC_TIMER_STATUS_FLAGS,
+	HDMI_TX_DDC_TIMER_CED,
+	HDMI_TX_DDC_TIMER_MAX,
+	};
+
 #ifdef CONFIG_DRM_SDE_HDMI
 /**
  * sde_hdmi_get_num_of_displays() - returns number of display devices
@@ -259,6 +287,52 @@ struct drm_bridge *sde_hdmi_bridge_init(struct hdmi *hdmi);
 void sde_hdmi_set_mode(struct hdmi *hdmi, bool power_on);
 
 /**
+ * sde_hdmi_ddc_read() - common hdmi ddc read API.
+ * @hdmi:          Handle to the hdmi.
+ * @addr:          Command address.
+ * @offset:        Command offset.
+ * @data:          Data buffer for read back.
+ * @data_len:      Data buffer length.
+ *
+ * Return: error code.
+ */
+int sde_hdmi_ddc_read(struct hdmi *hdmi, u16 addr, u8 offset,
+					  u8 *data, u16 data_len);
+
+/**
+ * sde_hdmi_ddc_write() - common hdmi ddc write API.
+ * @hdmi:          Handle to the hdmi.
+ * @addr:          Command address.
+ * @offset:        Command offset.
+ * @data:          Data buffer for write.
+ * @data_len:      Data buffer length.
+ *
+ * Return: error code.
+ */
+int sde_hdmi_ddc_write(struct hdmi *hdmi, u16 addr, u8 offset,
+					   u8 *data, u16 data_len);
+
+/**
+ * sde_hdmi_scdc_read() - hdmi 2.0 ddc read API.
+ * @hdmi:          Handle to the hdmi.
+ * @data_type:     DDC data type, refer to enum hdmi_tx_scdc_access_type.
+ * @val:           Read back value.
+ *
+ * Return: error code.
+ */
+int sde_hdmi_scdc_read(struct hdmi *hdmi, u32 data_type, u32 *val);
+
+/**
+ * sde_hdmi_scdc_write() - hdmi 2.0 ddc write API.
+ * @hdmi:          Handle to the hdmi.
+ * @data_type:     DDC data type, refer to enum hdmi_tx_scdc_access_type.
+ * @val:           Value write through DDC.
+ *
+ * Return: error code.
+ */
+int sde_hdmi_scdc_write(struct hdmi *hdmi, u32 data_type, u32 val);
+
+/**
  * sde_hdmi_audio_on() - enable hdmi audio.
  * @hdmi:          Handle to the hdmi.
  * @params:        audio setup parameters from codec.
@@ -305,40 +379,6 @@ void sde_hdmi_notify_clients(struct drm_connector *connector,
 void sde_hdmi_ack_state(struct drm_connector *connector,
 	enum drm_connector_status status);
 
-/**
- * sde_hdmi_edid_init() - init edid structure.
- * @display:     Handle to the sde_hdmi.
- *
- * Return: error code.
- */
-int sde_hdmi_edid_init(struct sde_hdmi *display);
-
-/**
- * sde_hdmi_edid_deinit() - deinit edid structure.
- * @display:     Handle to the sde_hdmi.
- *
- * Return: error code.
- */
-int sde_hdmi_edid_deinit(struct sde_hdmi *display);
-
-/**
- * sde_hdmi_get_edid() - get edid info.
- * @connector:   Handle to the drm_connector.
- * @display:     Handle to the sde_hdmi.
- *
- * Return: void.
- */
-void sde_hdmi_get_edid(struct drm_connector *connector,
-	struct sde_hdmi *display);
-
-/**
- * sde_hdmi_free_edid() - free edid structure.
- * @display:     Handle to the sde_hdmi.
- *
- * Return: error code.
- */
-int sde_hdmi_free_edid(struct sde_hdmi *display);
-
 #else /*#ifdef CONFIG_DRM_SDE_HDMI*/
 
 static inline u32 sde_hdmi_get_num_of_displays(void)
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c
index 681dca501f9b..c76e42c67885 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c
@@ -28,6 +28,13 @@ struct sde_hdmi_bridge {
 };
 #define to_hdmi_bridge(x) container_of(x, struct sde_hdmi_bridge, base)
 
+/* TX major version that supports scrambling */
+#define HDMI_TX_SCRAMBLER_MIN_TX_VERSION 0x04
+#define HDMI_TX_SCRAMBLER_THRESHOLD_RATE_KHZ 340000
+#define HDMI_TX_SCRAMBLER_TIMEOUT_MSEC 200
+/* default hsyncs for 4k@60 for 200ms */
+#define HDMI_DEFAULT_TIMEOUT_HSYNC 28571
+
 /* for AVI program */
 #define HDMI_AVI_INFOFRAME_BUFFER_SIZE \
 	(HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE)
@@ -101,6 +108,265 @@ static void _sde_hdmi_bridge_power_off(struct drm_bridge *bridge)
 	}
 }
 
+static int _sde_hdmi_bridge_ddc_clear_irq(struct hdmi *hdmi,
+			char *what)
+{
+	u32 ddc_int_ctrl, ddc_status, in_use, timeout;
+	u32 sw_done_mask = BIT(2);
+	u32 sw_done_ack  = BIT(1);
+	u32 in_use_by_sw = BIT(0);
+	u32 in_use_by_hw = BIT(1);
+
+	/* clear and enable interrutps */
+	ddc_int_ctrl = sw_done_mask | sw_done_ack;
+
+	hdmi_write(hdmi, REG_HDMI_DDC_INT_CTRL, ddc_int_ctrl);
+
+	/* wait until DDC HW is free */
+	timeout = 100;
+	do {
+		ddc_status = hdmi_read(hdmi, REG_HDMI_DDC_HW_STATUS);
+		in_use = ddc_status & (in_use_by_sw | in_use_by_hw);
+		if (in_use) {
+			SDE_DEBUG("ddc is in use by %s, timeout(%d)\n",
+			ddc_status & in_use_by_sw ? "sw" : "hw",
+			timeout);
+			udelay(100);
+		}
+	} while (in_use && --timeout);
+
+	if (!timeout) {
+		SDE_ERROR("%s: timedout\n", what);
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+static int _sde_hdmi_bridge_scrambler_ddc_check_status(struct hdmi *hdmi)
+{
+	int rc = 0;
+	u32 reg_val;
+
+	/* check for errors and clear status */
+	reg_val = hdmi_read(hdmi, REG_HDMI_SCRAMBLER_STATUS_DDC_STATUS);
+	if (reg_val & BIT(4)) {
+		SDE_ERROR("ddc aborted\n");
+		reg_val |= BIT(5);
+		rc = -ECONNABORTED;
+	}
+
+	if (reg_val & BIT(8)) {
+		SDE_ERROR("timed out\n");
+		reg_val |= BIT(9);
+		rc = -ETIMEDOUT;
+	}
+
+	if (reg_val & BIT(12)) {
+		SDE_ERROR("NACK0\n");
+		reg_val |= BIT(13);
+		rc = -EIO;
+	}
+	if (reg_val & BIT(14)) {
+		SDE_ERROR("NACK1\n");
+		reg_val |= BIT(15);
+		rc = -EIO;
+	}
+	hdmi_write(hdmi, REG_HDMI_SCRAMBLER_STATUS_DDC_STATUS, reg_val);
+
+	return rc;
+}
+
+static void _sde_hdmi_bridge_scrambler_ddc_reset(struct hdmi *hdmi)
+{
+	u32 reg_val;
+
+	/* clear ack and disable interrupts */
+	reg_val = BIT(14) | BIT(9) | BIT(5) | BIT(1);
+	hdmi_write(hdmi, REG_HDMI_DDC_INT_CTRL2, reg_val);
+
+	/* Reset DDC timers */
+	reg_val = BIT(0) | hdmi_read(hdmi, REG_HDMI_SCRAMBLER_STATUS_DDC_CTRL);
+	hdmi_write(hdmi, REG_HDMI_SCRAMBLER_STATUS_DDC_CTRL, reg_val);
+
+	reg_val = hdmi_read(hdmi, REG_HDMI_SCRAMBLER_STATUS_DDC_CTRL);
+	reg_val &= ~BIT(0);
+	hdmi_write(hdmi, REG_HDMI_SCRAMBLER_STATUS_DDC_CTRL, reg_val);
+}
+
+static void _sde_hdmi_bridge_scrambler_ddc_disable(struct hdmi *hdmi)
+{
+	u32 reg_val;
+
+	_sde_hdmi_bridge_scrambler_ddc_reset(hdmi);
+	/* Disable HW DDC access to RxStatus register */
+	reg_val = hdmi_read(hdmi, REG_HDMI_HW_DDC_CTRL);
+	reg_val &= ~(BIT(8) | BIT(9));
+	hdmi_write(hdmi, REG_HDMI_HW_DDC_CTRL, reg_val);
+}
+
+static int _sde_hdmi_bridge_scrambler_status_timer_setup(struct hdmi *hdmi,
+			u32 timeout_hsync)
+{
+	u32 reg_val;
+	int rc;
+
+	_sde_hdmi_bridge_ddc_clear_irq(hdmi, "scrambler");
+
+	hdmi_write(hdmi, REG_HDMI_SCRAMBLER_STATUS_DDC_TIMER_CTRL,
+			   timeout_hsync);
+	hdmi_write(hdmi, REG_HDMI_SCRAMBLER_STATUS_DDC_TIMER_CTRL2,
+			   timeout_hsync);
+	reg_val = hdmi_read(hdmi, REG_HDMI_DDC_INT_CTRL5);
+	reg_val |= BIT(10);
+	hdmi_write(hdmi, REG_HDMI_DDC_INT_CTRL5, reg_val);
+
+	reg_val = hdmi_read(hdmi, REG_HDMI_DDC_INT_CTRL2);
+	/* Trigger interrupt if scrambler status is 0 or DDC failure */
+	reg_val |= BIT(10);
+	reg_val &= ~(BIT(15) | BIT(16));
+	reg_val |= BIT(16);
+	hdmi_write(hdmi, REG_HDMI_DDC_INT_CTRL2, reg_val);
+
+	/* Enable DDC access */
+	reg_val = hdmi_read(hdmi, REG_HDMI_HW_DDC_CTRL);
+
+	reg_val &= ~(BIT(8) | BIT(9));
+	reg_val |= BIT(8);
+	hdmi_write(hdmi, REG_HDMI_HW_DDC_CTRL, reg_val);
+
+	/* WAIT for 200ms as per HDMI 2.0 standard for sink to respond */
+	msleep(200);
+
+	/* clear the scrambler status */
+	rc = _sde_hdmi_bridge_scrambler_ddc_check_status(hdmi);
+	if (rc)
+		SDE_ERROR("scrambling ddc error %d\n", rc);
+
+	_sde_hdmi_bridge_scrambler_ddc_disable(hdmi);
+
+	return rc;
+}
+
+static int _sde_hdmi_bridge_setup_ddc_timers(struct hdmi *hdmi,
+			u32 type, u32 to_in_num_lines)
+{
+	if (type >= HDMI_TX_DDC_TIMER_MAX) {
+		SDE_ERROR("Invalid timer type %d\n", type);
+		return -EINVAL;
+	}
+
+	switch (type) {
+	case HDMI_TX_DDC_TIMER_SCRAMBLER_STATUS:
+		_sde_hdmi_bridge_scrambler_status_timer_setup(hdmi,
+		to_in_num_lines);
+		break;
+	default:
+		SDE_ERROR("%d type not supported\n", type);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static inline int _sde_hdmi_bridge_get_timeout_in_hysnc(
+		struct drm_display_mode *mode, u32 timeout_ms)
+{
+	/*
+	 * pixel clock  = h_total * v_total * fps
+	 * 1 sec = pixel clock number of pixels are transmitted.
+	 * time taken by one line (h_total) = 1s / (v_total * fps).
+	 * lines for give time = (time_ms * 1000) / (1000000 / (v_total * fps))
+	 *                     = (time_ms * clock) / h_total
+	 */
+
+	return (timeout_ms * mode->clock / mode->htotal);
+}
+
+static int _sde_hdmi_bridge_setup_scrambler(struct hdmi *hdmi,
+			struct drm_display_mode *mode)
+{
+	int rc = 0;
+	int timeout_hsync;
+	u32 reg_val = 0;
+	u32 tmds_clock_ratio = 0;
+	bool scrambler_on = false;
+
+	struct drm_connector *connector = NULL;
+
+	if (!hdmi || !mode) {
+		SDE_ERROR("invalid input\n");
+		return -EINVAL;
+	}
+	connector = hdmi->connector;
+
+	/* Read HDMI version */
+	reg_val = hdmi_read(hdmi, REG_HDMI_VERSION);
+	reg_val = (reg_val & 0xF0000000) >> 28;
+	/* Scrambling is supported from HDMI TX 4.0 */
+	if (reg_val < HDMI_TX_SCRAMBLER_MIN_TX_VERSION) {
+		DRM_INFO("scrambling not supported by tx\n");
+		return 0;
+	}
+
+	if (mode->clock > HDMI_TX_SCRAMBLER_THRESHOLD_RATE_KHZ) {
+		scrambler_on = true;
+		tmds_clock_ratio = 1;
+	} else {
+		scrambler_on = connector->supports_scramble;
+	}
+
+	DRM_INFO("scrambler %s\n", scrambler_on ? "on" : "off");
+
+	if (scrambler_on) {
+		rc = sde_hdmi_scdc_write(hdmi,
+				HDMI_TX_SCDC_TMDS_BIT_CLOCK_RATIO_UPDATE,
+				tmds_clock_ratio);
+		if (rc) {
+			SDE_ERROR("TMDS CLK RATIO ERR\n");
+			return rc;
+		}
+
+		reg_val = hdmi_read(hdmi, REG_HDMI_CTRL);
+		reg_val |= BIT(31); /* Enable Update DATAPATH_MODE */
+		reg_val |= BIT(28); /* Set SCRAMBLER_EN bit */
+
+		hdmi_write(hdmi, REG_HDMI_CTRL, reg_val);
+
+		rc = sde_hdmi_scdc_write(hdmi,
+				HDMI_TX_SCDC_SCRAMBLING_ENABLE, 0x1);
+		if (rc) {
+			SDE_ERROR("failed to enable scrambling\n");
+			return rc;
+		}
+
+		/*
+		 * Setup hardware to periodically check for scrambler
+		 * status bit on the sink. Sink should set this bit
+		 * with in 200ms after scrambler is enabled.
+		 */
+		timeout_hsync = _sde_hdmi_bridge_get_timeout_in_hysnc(
+						mode,
+						HDMI_TX_SCRAMBLER_TIMEOUT_MSEC);
+		if (timeout_hsync <= 0) {
+			SDE_ERROR("err in timeout hsync calc\n");
+			timeout_hsync = HDMI_DEFAULT_TIMEOUT_HSYNC;
+		}
+		SDE_DEBUG("timeout for scrambling en: %d hsyncs\n",
+				  timeout_hsync);
+
+		rc = _sde_hdmi_bridge_setup_ddc_timers(hdmi,
+			HDMI_TX_DDC_TIMER_SCRAMBLER_STATUS, timeout_hsync);
+	} else {
+		sde_hdmi_scdc_write(hdmi, HDMI_TX_SCDC_SCRAMBLING_ENABLE, 0x0);
+		reg_val = hdmi_read(hdmi, REG_HDMI_CTRL);
+		reg_val &= ~BIT(31); /* Disable Update DATAPATH_MODE */
+		reg_val &= ~BIT(28); /* Unset SCRAMBLER_EN bit */
+		hdmi_write(hdmi, REG_HDMI_CTRL, reg_val);
+	}
+	return rc;
+}
+
 static void _sde_hdmi_bridge_pre_enable(struct drm_bridge *bridge)
 {
 	struct sde_hdmi_bridge *sde_hdmi_bridge = to_hdmi_bridge(bridge);
@@ -373,6 +639,7 @@ static void _sde_hdmi_bridge_mode_set(struct drm_bridge *bridge,
 		_sde_hdmi_bridge_set_spd_infoframe(hdmi, mode);
 		DRM_DEBUG("hdmi setup info frame\n");
 	}
+	_sde_hdmi_bridge_setup_scrambler(hdmi, mode);
 }
 
 static const struct drm_bridge_funcs _sde_hdmi_bridge_funcs = {
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_edid.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_edid.c
deleted file mode 100644
index 57c79e2aa812..000000000000
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_edid.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* Copyright (c) 2017, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <drm/drm_edid.h>
-
-#include "sde_kms.h"
-#include "sde_hdmi.h"
-
-/* TODO: copy from drm_edid.c and mdss_hdmi_edid.c. remove if using ELD */
-#define DBC_START_OFFSET 4
-#define EDID_DTD_LEN 18
-
-enum data_block_types {
-	RESERVED,
-	AUDIO_DATA_BLOCK,
-	VIDEO_DATA_BLOCK,
-	VENDOR_SPECIFIC_DATA_BLOCK,
-	SPEAKER_ALLOCATION_DATA_BLOCK,
-	VESA_DTC_DATA_BLOCK,
-	RESERVED2,
-	USE_EXTENDED_TAG
-};
-
-static u8 *_sde_hdmi_edid_find_cea_extension(struct edid *edid)
-{
-	u8 *edid_ext = NULL;
-	int i;
-
-	/* No EDID or EDID extensions */
-	if (edid == NULL || edid->extensions == 0)
-		return NULL;
-
-	/* Find CEA extension */
-	for (i = 0; i < edid->extensions; i++) {
-		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
-		if (edid_ext[0] == CEA_EXT)
-			break;
-	}
-
-	if (i == edid->extensions)
-		return NULL;
-
-	return edid_ext;
-}
-
-static const u8 *_sde_hdmi_edid_find_block(const u8 *in_buf, u32 start_offset,
-	u8 type, u8 *len)
-{
-	/* the start of data block collection, start of Video Data Block */
-	u32 offset = start_offset;
-	u32 dbc_offset = in_buf[2];
-
-	/*
-	 * * edid buffer 1, byte 2 being 4 means no non-DTD/Data block
-	 *   collection present.
-	 * * edid buffer 1, byte 2 being 0 means no non-DTD/DATA block
-	 *   collection present and no DTD data present.
-	 */
-	if ((dbc_offset == 0) || (dbc_offset == 4)) {
-		SDE_ERROR("EDID: no DTD or non-DTD data present\n");
-		return NULL;
-	}
-
-	while (offset < dbc_offset) {
-		u8 block_len = in_buf[offset] & 0x1F;
-
-		if ((offset + block_len <= dbc_offset) &&
-		    (in_buf[offset] >> 5) == type) {
-			*len = block_len;
-			SDE_DEBUG("EDID: block=%d found @ 0x%x w/ len=%d\n",
-				type, offset, block_len);
-
-			return in_buf + offset;
-		}
-		offset += 1 + block_len;
-	}
-
-	return NULL;
-}
-
-static void _sde_hdmi_extract_audio_data_blocks(
-	struct hdmi_edid_ctrl *edid_ctrl)
-{
-	u8 len = 0;
-	u8 adb_max = 0;
-	const u8 *adb = NULL;
-	u32 offset = DBC_START_OFFSET;
-	u8 *cea = NULL;
-
-	if (!edid_ctrl) {
-		SDE_ERROR("invalid edid_ctrl\n");
-		return;
-	}
-
-	cea = _sde_hdmi_edid_find_cea_extension(edid_ctrl->edid);
-	if (!cea) {
-		SDE_DEBUG("CEA extension not found\n");
-		return;
-	}
-
-	edid_ctrl->adb_size = 0;
-
-	memset(edid_ctrl->audio_data_block, 0,
-		sizeof(edid_ctrl->audio_data_block));
-
-	do {
-		len = 0;
-		adb = _sde_hdmi_edid_find_block(cea, offset, AUDIO_DATA_BLOCK,
-			&len);
-
-		if ((adb == NULL) || (len > MAX_AUDIO_DATA_BLOCK_SIZE ||
-			adb_max >= MAX_NUMBER_ADB)) {
-			if (!edid_ctrl->adb_size) {
-				SDE_DEBUG("No/Invalid Audio Data Block\n");
-				return;
-			}
-
-			continue;
-		}
-
-		memcpy(edid_ctrl->audio_data_block + edid_ctrl->adb_size,
-			adb + 1, len);
-		offset = (adb - cea) + 1 + len;
-
-		edid_ctrl->adb_size += len;
-		adb_max++;
-	} while (adb);
-
-}
-
-static void _sde_hdmi_extract_speaker_allocation_data(
-	struct hdmi_edid_ctrl *edid_ctrl)
-{
-	u8 len;
-	const u8 *sadb = NULL;
-	u8 *cea = NULL;
-
-	if (!edid_ctrl) {
-		SDE_ERROR("invalid edid_ctrl\n");
-		return;
-	}
-
-	cea = _sde_hdmi_edid_find_cea_extension(edid_ctrl->edid);
-	if (!cea) {
-		SDE_DEBUG("CEA extension not found\n");
-		return;
-	}
-
-	sadb = _sde_hdmi_edid_find_block(cea, DBC_START_OFFSET,
-		SPEAKER_ALLOCATION_DATA_BLOCK, &len);
-	if ((sadb == NULL) || (len != MAX_SPKR_ALLOC_DATA_BLOCK_SIZE)) {
-		SDE_DEBUG("No/Invalid Speaker Allocation Data Block\n");
-		return;
-	}
-
-	memcpy(edid_ctrl->spkr_alloc_data_block, sadb + 1, len);
-	edid_ctrl->sadb_size = len;
-
-	SDE_DEBUG("EDID: speaker alloc data SP byte = %08x %s%s%s%s%s%s%s\n",
-		sadb[1],
-		(sadb[1] & BIT(0)) ? "FL/FR," : "",
-		(sadb[1] & BIT(1)) ? "LFE," : "",
-		(sadb[1] & BIT(2)) ? "FC," : "",
-		(sadb[1] & BIT(3)) ? "RL/RR," : "",
-		(sadb[1] & BIT(4)) ? "RC," : "",
-		(sadb[1] & BIT(5)) ? "FLC/FRC," : "",
-		(sadb[1] & BIT(6)) ? "RLC/RRC," : "");
-}
-
-int sde_hdmi_edid_init(struct sde_hdmi *display)
-{
-	int rc = 0;
-
-	if (!display) {
-		SDE_ERROR("[%s]Invalid params\n", display->name);
-		return -EINVAL;
-	}
-
-	memset(&display->edid, 0, sizeof(display->edid));
-
-	return rc;
-}
-
-int sde_hdmi_free_edid(struct sde_hdmi *display)
-{
-	struct hdmi_edid_ctrl *edid_ctrl = &display->edid;
-
-	kfree(edid_ctrl->edid);
-	edid_ctrl->edid = NULL;
-
-	return 0;
-}
-
-int sde_hdmi_edid_deinit(struct sde_hdmi *display)
-{
-	return sde_hdmi_free_edid(display);
-}
-
-void sde_hdmi_get_edid(struct drm_connector *connector,
-		struct sde_hdmi *display)
-{
-	u32 hdmi_ctrl;
-	struct hdmi_edid_ctrl *edid_ctrl = &display->edid;
-	struct hdmi *hdmi = display->ctrl.ctrl;
-
-	/* Read EDID */
-	hdmi_ctrl = hdmi_read(hdmi, REG_HDMI_CTRL);
-	hdmi_write(hdmi, REG_HDMI_CTRL, hdmi_ctrl | HDMI_CTRL_ENABLE);
-	edid_ctrl->edid = drm_get_edid(connector, hdmi->i2c);
-	hdmi_write(hdmi, REG_HDMI_CTRL, hdmi_ctrl);
-
-	if (edid_ctrl->edid) {
-		hdmi->hdmi_mode = drm_detect_hdmi_monitor(edid_ctrl->edid);
-
-		_sde_hdmi_extract_audio_data_blocks(edid_ctrl);
-		_sde_hdmi_extract_speaker_allocation_data(edid_ctrl);
-	}
-};
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.xml.h b/drivers/gpu/drm/msm/hdmi/hdmi.xml.h
index aef20f76bf02..0956617442af 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.xml.h
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.xml.h
@@ -563,6 +563,20 @@ static inline uint32_t HDMI_VSYNC_TOTAL_F2_V_TOTAL(uint32_t val)
 
 #define REG_HDMI_CEC_WR_CHECK_CONFIG				0x00000370
 
+#define REG_HDMI_DDC_INT_CTRL0                                 0x00000430
+#define REG_HDMI_DDC_INT_CTRL1                                 0x00000434
+#define REG_HDMI_DDC_INT_CTRL2                                 0x00000438
+#define REG_HDMI_DDC_INT_CTRL3                                 0x0000043C
+#define REG_HDMI_DDC_INT_CTRL4                                 0x00000440
+#define REG_HDMI_DDC_INT_CTRL5                                 0x00000444
+#define REG_HDMI_SCRAMBLER_STATUS_DDC_CTRL                     0x00000464
+#define REG_HDMI_SCRAMBLER_STATUS_DDC_TIMER_CTRL               0x00000468
+#define REG_HDMI_SCRAMBLER_STATUS_DDC_TIMER_CTRL2              0x0000046C
+#define REG_HDMI_SCRAMBLER_STATUS_DDC_STATUS                   0x00000470
+#define REG_HDMI_SCRAMBLER_STATUS_DDC_TIMER_STATUS             0x00000474
+#define REG_HDMI_SCRAMBLER_STATUS_DDC_TIMER_STATUS2            0x00000478
+#define REG_HDMI_HW_DDC_CTRL                                   0x000004CC
+
 #define REG_HDMI_8x60_PHY_REG0					0x00000300
 #define HDMI_8x60_PHY_REG0_DESER_DEL_CTRL__MASK			0x0000001c
 #define HDMI_8x60_PHY_REG0_DESER_DEL_CTRL__SHIFT		2
diff --git a/drivers/gpu/drm/msm/sde_edid_parser.c b/drivers/gpu/drm/msm/sde_edid_parser.c
new file mode 100644
index 000000000000..69ab367307ea
--- /dev/null
+++ b/drivers/gpu/drm/msm/sde_edid_parser.c
@@ -0,0 +1,512 @@
+/* Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <drm/drm_edid.h>
+
+#include "sde_kms.h"
+#include "sde_edid_parser.h"
+
+/* TODO: copy from drm_edid.c and mdss_hdmi_edid.c. remove if using ELD */
+#define DBC_START_OFFSET 4
+#define EDID_DTD_LEN 18
+
+enum data_block_types {
+	RESERVED,
+	AUDIO_DATA_BLOCK,
+	VIDEO_DATA_BLOCK,
+	VENDOR_SPECIFIC_DATA_BLOCK,
+	SPEAKER_ALLOCATION_DATA_BLOCK,
+	VESA_DTC_DATA_BLOCK,
+	RESERVED2,
+	USE_EXTENDED_TAG
+};
+
+static u8 *sde_find_edid_extension(struct edid *edid, int ext_id)
+{
+	u8 *edid_ext = NULL;
+	int i;
+
+	/* No EDID or EDID extensions */
+	if (edid == NULL || edid->extensions == 0)
+		return NULL;
+
+	/* Find CEA extension */
+	for (i = 0; i < edid->extensions; i++) {
+		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
+		if (edid_ext[0] == ext_id)
+			break;
+	}
+
+	if (i == edid->extensions)
+		return NULL;
+
+	return edid_ext;
+}
+
+static u8 *sde_find_cea_extension(struct edid *edid)
+{
+	return sde_find_edid_extension(edid, SDE_CEA_EXT);
+}
+
+static int
+sde_cea_db_payload_len(const u8 *db)
+{
+	return db[0] & 0x1f;
+}
+
+static int
+sde_cea_db_tag(const u8 *db)
+{
+	return db[0] >> 5;
+}
+
+static int
+sde_cea_revision(const u8 *cea)
+{
+	return cea[1];
+}
+
+static int
+sde_cea_db_offsets(const u8 *cea, int *start, int *end)
+{
+	/* Data block offset in CEA extension block */
+	*start = 4;
+	*end = cea[2];
+	if (*end == 0)
+		*end = 127;
+	if (*end < 4 || *end > 127)
+		return -ERANGE;
+	return 0;
+}
+
+#define sde_for_each_cea_db(cea, i, start, end) \
+for ((i) = (start); \
+(i) < (end) && (i) + sde_cea_db_payload_len(&(cea)[(i)]) < (end); \
+(i) += sde_cea_db_payload_len(&(cea)[(i)]) + 1)
+
+static u8 *sde_edid_find_extended_tag_block(struct edid *edid, int blk_id)
+{
+	u8 *db = NULL;
+	u8 *cea = NULL;
+
+	if (!edid) {
+		pr_err("%s: invalid input\n", __func__);
+		return NULL;
+	}
+
+	cea = sde_find_cea_extension(edid);
+
+	if (cea && sde_cea_revision(cea) >= 3) {
+		int i, start, end;
+
+		if (sde_cea_db_offsets(cea, &start, &end))
+			return NULL;
+
+		sde_for_each_cea_db(cea, i, start, end) {
+			db = &cea[i];
+			if ((sde_cea_db_tag(db) == SDE_EXTENDED_TAG) &&
+				(db[1] == blk_id))
+				return db;
+		}
+	}
+	return NULL;
+}
+
+static u8 *
+sde_edid_find_block(struct edid *edid, int blk_id)
+{
+	u8 *db = NULL;
+	u8 *cea = NULL;
+
+	if (!edid) {
+		pr_err("%s: invalid input\n", __func__);
+		return NULL;
+	}
+
+	cea = sde_find_cea_extension(edid);
+
+	if (cea && sde_cea_revision(cea) >= 3) {
+		int i, start, end;
+
+		if (sde_cea_db_offsets(cea, &start, &end))
+			return 0;
+
+		sde_for_each_cea_db(cea, i, start, end) {
+			db = &cea[i];
+			if (sde_cea_db_tag(db) == blk_id)
+				return db;
+		}
+	}
+	return NULL;
+}
+
+
+static const u8 *_sde_edid_find_block(const u8 *in_buf, u32 start_offset,
+	u8 type, u8 *len)
+{
+	/* the start of data block collection, start of Video Data Block */
+	u32 offset = start_offset;
+	u32 dbc_offset = in_buf[2];
+
+	SDE_EDID_DEBUG("%s +", __func__);
+	/*
+	 * * edid buffer 1, byte 2 being 4 means no non-DTD/Data block
+	 *   collection present.
+	 * * edid buffer 1, byte 2 being 0 means no non-DTD/DATA block
+	 *   collection present and no DTD data present.
+	 */
+	if ((dbc_offset == 0) || (dbc_offset == 4)) {
+		SDE_ERROR("EDID: no DTD or non-DTD data present\n");
+		return NULL;
+	}
+
+	while (offset < dbc_offset) {
+		u8 block_len = in_buf[offset] & 0x1F;
+
+		if ((offset + block_len <= dbc_offset) &&
+		    (in_buf[offset] >> 5) == type) {
+			*len = block_len;
+			SDE_EDID_DEBUG("block=%d found @ 0x%x w/ len=%d\n",
+				type, offset, block_len);
+
+			return in_buf + offset;
+		}
+		offset += 1 + block_len;
+	}
+
+	return NULL;
+}
+
+static void sde_edid_extract_vendor_id(struct sde_edid_ctrl *edid_ctrl)
+{
+	char *vendor_id;
+	u32 id_codes;
+
+	SDE_EDID_DEBUG("%s +", __func__);
+	if (!edid_ctrl) {
+		SDE_ERROR("%s: invalid input\n", __func__);
+		return;
+	}
+
+	vendor_id = edid_ctrl->vendor_id;
+	id_codes = ((u32)edid_ctrl->edid->mfg_id[0] << 8) +
+		edid_ctrl->edid->mfg_id[1];
+
+	vendor_id[0] = 'A' - 1 + ((id_codes >> 10) & 0x1F);
+	vendor_id[1] = 'A' - 1 + ((id_codes >> 5) & 0x1F);
+	vendor_id[2] = 'A' - 1 + (id_codes & 0x1F);
+	vendor_id[3] = 0;
+	SDE_EDID_DEBUG("vendor id is %s ", vendor_id);
+	SDE_EDID_DEBUG("%s -", __func__);
+}
+
+static void sde_edid_set_y420_support(struct drm_connector *connector,
+u32 video_format)
+{
+	u8 cea_mode = 0;
+	struct drm_display_mode *mode;
+
+	/* Need to add Y420 support flag to the modes */
+	list_for_each_entry(mode, &connector->probed_modes, head) {
+		cea_mode = drm_match_cea_mode(mode);
+		if ((cea_mode != 0) && (cea_mode == video_format)) {
+			SDE_EDID_DEBUG("%s found match for %d ", __func__,
+			video_format);
+			mode->flags |= DRM_MODE_FLAG_SUPPORTS_YUV;
+		}
+	}
+}
+
+static void sde_edid_parse_Y420CMDB(
+struct drm_connector *connector, struct sde_edid_ctrl *edid_ctrl,
+const u8 *db)
+{
+	u32 offset = 0;
+	u8 len = 0;
+	u8 svd_len = 0;
+	const u8 *svd = NULL;
+	u32 i = 0, j = 0;
+	u32 video_format = 0;
+
+	if (!edid_ctrl) {
+		DEV_ERR("%s: edid_ctrl is NULL\n", __func__);
+		return;
+	}
+
+	if (!db) {
+		DEV_ERR("%s: invalid input\n", __func__);
+		return;
+	}
+	SDE_EDID_DEBUG("%s +\n", __func__);
+	len = db[0] & 0x1f;
+
+	if (len < 7)
+		return;
+	/* Byte 3 to L+1 contain SVDs */
+	offset += 2;
+
+	svd = sde_edid_find_block(edid_ctrl->edid, VIDEO_DATA_BLOCK);
+
+	if (svd) {
+		/*moving to the next byte as vic info begins there*/
+		++svd;
+		svd_len = svd[0] & 0x1f;
+	}
+
+	for (i = 0; i < svd_len; i++, j++) {
+		video_format = *svd & 0x7F;
+		if (db[offset] & (1 << j))
+			sde_edid_set_y420_support(connector, video_format);
+
+		if (j & 0x80) {
+			j = j/8;
+			offset++;
+			if (offset >= len)
+				break;
+		}
+	}
+
+	SDE_EDID_DEBUG("%s -\n", __func__);
+
+}
+
+static void sde_edid_parse_Y420VDB(
+struct drm_connector *connector, struct sde_edid_ctrl *edid_ctrl,
+const u8 *db)
+{
+	u8 len = db[0] & 0x1f;
+	u32 i = 0;
+	u32 video_format = 0;
+
+	if (!edid_ctrl) {
+		DEV_ERR("%s: invalid input\n", __func__);
+		return;
+	}
+
+	SDE_EDID_DEBUG("%s +\n", __func__);
+
+	/* Offset to byte 3 */
+	db += 2;
+	for (i = 0; i < len - 1; i++) {
+		video_format = *(db + i) & 0x7F;
+		/*
+		 * mode was already added in get_modes()
+		 * only need to set the Y420 support flag
+		 */
+		sde_edid_set_y420_support(connector, video_format);
+	}
+	SDE_EDID_DEBUG("%s -", __func__);
+}
+
+static void sde_edid_set_mode_format(
+struct drm_connector *connector, struct sde_edid_ctrl *edid_ctrl)
+{
+	const u8 *db = NULL;
+	struct drm_display_mode *mode;
+
+	SDE_EDID_DEBUG("%s +\n", __func__);
+	/* Set YUV mode support flags for YCbcr420VDB */
+	db = sde_edid_find_extended_tag_block(edid_ctrl->edid,
+			Y420_VIDEO_DATA_BLOCK);
+	if (db)
+		sde_edid_parse_Y420VDB(connector, edid_ctrl, db);
+	else
+		SDE_EDID_DEBUG("YCbCr420 VDB is not present\n");
+
+	/* Set RGB supported on all modes where YUV is not set */
+	list_for_each_entry(mode, &connector->probed_modes, head) {
+		if (!(mode->flags & DRM_MODE_FLAG_SUPPORTS_YUV))
+			mode->flags |= DRM_MODE_FLAG_SUPPORTS_RGB;
+	}
+
+
+	db = sde_edid_find_extended_tag_block(edid_ctrl->edid,
+			Y420_CAPABILITY_MAP_DATA_BLOCK);
+	if (db)
+		sde_edid_parse_Y420CMDB(connector, edid_ctrl, db);
+	else
+		SDE_EDID_DEBUG("YCbCr420 CMDB is not present\n");
+
+	SDE_EDID_DEBUG("%s -\n", __func__);
+}
+
+static void _sde_edid_extract_audio_data_blocks(
+	struct sde_edid_ctrl *edid_ctrl)
+{
+	u8 len = 0;
+	u8 adb_max = 0;
+	const u8 *adb = NULL;
+	u32 offset = DBC_START_OFFSET;
+	u8 *cea = NULL;
+
+	if (!edid_ctrl) {
+		SDE_ERROR("invalid edid_ctrl\n");
+		return;
+	}
+	SDE_EDID_DEBUG("%s +", __func__);
+	cea = sde_find_cea_extension(edid_ctrl->edid);
+	if (!cea) {
+		SDE_DEBUG("CEA extension not found\n");
+		return;
+	}
+
+	edid_ctrl->adb_size = 0;
+
+	memset(edid_ctrl->audio_data_block, 0,
+		sizeof(edid_ctrl->audio_data_block));
+
+	do {
+		len = 0;
+		adb = _sde_edid_find_block(cea, offset, AUDIO_DATA_BLOCK,
+			&len);
+
+		if ((adb == NULL) || (len > MAX_AUDIO_DATA_BLOCK_SIZE ||
+			adb_max >= MAX_NUMBER_ADB)) {
+			if (!edid_ctrl->adb_size) {
+				SDE_DEBUG("No/Invalid Audio Data Block\n");
+				return;
+			}
+
+			continue;
+		}
+
+		memcpy(edid_ctrl->audio_data_block + edid_ctrl->adb_size,
+			adb + 1, len);
+		offset = (adb - cea) + 1 + len;
+
+		edid_ctrl->adb_size += len;
+		adb_max++;
+	} while (adb);
+	SDE_EDID_DEBUG("%s -", __func__);
+}
+
+static void _sde_edid_extract_speaker_allocation_data(
+	struct sde_edid_ctrl *edid_ctrl)
+{
+	u8 len;
+	const u8 *sadb = NULL;
+	u8 *cea = NULL;
+
+	if (!edid_ctrl) {
+		SDE_ERROR("invalid edid_ctrl\n");
+		return;
+	}
+	SDE_EDID_DEBUG("%s +", __func__);
+	cea = sde_find_cea_extension(edid_ctrl->edid);
+	if (!cea) {
+		SDE_DEBUG("CEA extension not found\n");
+		return;
+	}
+
+	sadb = _sde_edid_find_block(cea, DBC_START_OFFSET,
+		SPEAKER_ALLOCATION_DATA_BLOCK, &len);
+	if ((sadb == NULL) || (len != MAX_SPKR_ALLOC_DATA_BLOCK_SIZE)) {
+		SDE_DEBUG("No/Invalid Speaker Allocation Data Block\n");
+		return;
+	}
+
+	memcpy(edid_ctrl->spkr_alloc_data_block, sadb + 1, len);
+	edid_ctrl->sadb_size = len;
+
+	SDE_EDID_DEBUG("speaker alloc data SP byte = %08x %s%s%s%s%s%s%s\n",
+		sadb[1],
+		(sadb[1] & BIT(0)) ? "FL/FR," : "",
+		(sadb[1] & BIT(1)) ? "LFE," : "",
+		(sadb[1] & BIT(2)) ? "FC," : "",
+		(sadb[1] & BIT(3)) ? "RL/RR," : "",
+		(sadb[1] & BIT(4)) ? "RC," : "",
+		(sadb[1] & BIT(5)) ? "FLC/FRC," : "",
+		(sadb[1] & BIT(6)) ? "RLC/RRC," : "");
+	SDE_EDID_DEBUG("%s -", __func__);
+}
+
+struct sde_edid_ctrl *sde_edid_init(void)
+{
+	struct sde_edid_ctrl *edid_ctrl = NULL;
+
+	SDE_EDID_DEBUG("%s +\n", __func__);
+	edid_ctrl = kzalloc(sizeof(*edid_ctrl), GFP_KERNEL);
+	if (!edid_ctrl) {
+		SDE_ERROR("edid_ctrl alloc failed\n");
+		return NULL;
+	}
+	memset((edid_ctrl), 0, sizeof(*edid_ctrl));
+	SDE_EDID_DEBUG("%s -\n", __func__);
+	return edid_ctrl;
+}
+
+void sde_free_edid(void **input)
+{
+	struct sde_edid_ctrl *edid_ctrl = (struct sde_edid_ctrl *)(*input);
+
+	SDE_EDID_DEBUG("%s +", __func__);
+	kfree(edid_ctrl->edid);
+	edid_ctrl->edid = NULL;
+}
+
+void sde_edid_deinit(void **input)
+{
+	struct sde_edid_ctrl *edid_ctrl = (struct sde_edid_ctrl *)(*input);
+
+	SDE_EDID_DEBUG("%s +", __func__);
+	sde_free_edid((void *)&edid_ctrl);
+	kfree(edid_ctrl);
+	SDE_EDID_DEBUG("%s -", __func__);
+}
+
+int _sde_edid_update_modes(struct drm_connector *connector,
+	void *input)
+{
+	int rc = 0;
+	struct sde_edid_ctrl *edid_ctrl = (struct sde_edid_ctrl *)(input);
+
+	SDE_EDID_DEBUG("%s +", __func__);
+	if (edid_ctrl->edid) {
+		drm_mode_connector_update_edid_property(connector,
+			edid_ctrl->edid);
+
+		rc = drm_add_edid_modes(connector, edid_ctrl->edid);
+		sde_edid_set_mode_format(connector, edid_ctrl);
+		SDE_EDID_DEBUG("%s -", __func__);
+		return rc;
+	}
+
+	drm_mode_connector_update_edid_property(connector, NULL);
+	SDE_EDID_DEBUG("%s null edid -", __func__);
+	return rc;
+}
+
+bool sde_detect_hdmi_monitor(void *input)
+{
+	struct sde_edid_ctrl *edid_ctrl = (struct sde_edid_ctrl *)(input);
+
+	return drm_detect_hdmi_monitor(edid_ctrl->edid);
+}
+
+void sde_get_edid(struct drm_connector *connector,
+				  struct i2c_adapter *adapter, void **input)
+{
+	struct sde_edid_ctrl *edid_ctrl = (struct sde_edid_ctrl *)(*input);
+
+	edid_ctrl->edid = drm_get_edid(connector, adapter);
+	SDE_EDID_DEBUG("%s +\n", __func__);
+
+	if (!edid_ctrl->edid)
+		SDE_ERROR("EDID read failed\n");
+
+	if (edid_ctrl->edid) {
+		sde_edid_extract_vendor_id(edid_ctrl);
+		_sde_edid_extract_audio_data_blocks(edid_ctrl);
+		_sde_edid_extract_speaker_allocation_data(edid_ctrl);
+	}
+	SDE_EDID_DEBUG("%s -\n", __func__);
+};
diff --git a/drivers/gpu/drm/msm/sde_edid_parser.h b/drivers/gpu/drm/msm/sde_edid_parser.h
new file mode 100644
index 000000000000..1143dc2c7bec
--- /dev/null
+++ b/drivers/gpu/drm/msm/sde_edid_parser.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _SDE_EDID_PARSER_H_
+#define _SDE_EDID_PARSER_H_
+
+#include <linux/types.h>
+#include <linux/bitops.h>
+#include <linux/debugfs.h>
+#include <linux/of_device.h>
+#include <linux/i2c.h>
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_edid.h>
+
+
+#define MAX_NUMBER_ADB 5
+#define MAX_AUDIO_DATA_BLOCK_SIZE 30
+#define MAX_SPKR_ALLOC_DATA_BLOCK_SIZE 3
+#define EDID_VENDOR_ID_SIZE     4
+
+#define SDE_CEA_EXT    0x02
+#define SDE_EXTENDED_TAG 0x07
+
+enum extended_data_block_types {
+	VIDEO_CAPABILITY_DATA_BLOCK = 0x0,
+	VENDOR_SPECIFIC_VIDEO_DATA_BLOCK = 0x01,
+	HDMI_VIDEO_DATA_BLOCK = 0x04,
+	HDR_STATIC_METADATA_DATA_BLOCK = 0x06,
+	Y420_VIDEO_DATA_BLOCK = 0x0E,
+	VIDEO_FORMAT_PREFERENCE_DATA_BLOCK = 0x0D,
+	Y420_CAPABILITY_MAP_DATA_BLOCK = 0x0F,
+	VENDOR_SPECIFIC_AUDIO_DATA_BLOCK = 0x11,
+	INFOFRAME_DATA_BLOCK = 0x20,
+};
+
+#ifdef SDE_EDID_DEBUG_ENABLE
+#define SDE_EDID_DEBUG(fmt, args...)   SDE_ERROR(fmt, ##args)
+#else
+#define SDE_EDID_DEBUG(fmt, args...)   SDE_DEBUG(fmt, ##args)
+#endif
+
+/*
+ * struct hdmi_edid_hdr_data - HDR Static Metadata
+ * @eotf: Electro-Optical Transfer Function
+ * @metadata_type_one: Static Metadata Type 1 support
+ * @max_luminance: Desired Content Maximum Luminance
+ * @avg_luminance: Desired Content Frame-average Luminance
+ * @min_luminance: Desired Content Minimum Luminance
+ */
+struct sde_edid_hdr_data {
+	u32 eotf;
+	bool metadata_type_one;
+	u32 max_luminance;
+	u32 avg_luminance;
+	u32 min_luminance;
+};
+
+struct sde_edid_sink_caps {
+	u32 max_pclk_in_hz;
+	bool scdc_present;
+	bool scramble_support; /* scramble support for less than 340Mcsc */
+	bool read_req_support;
+	bool osd_disparity;
+	bool dual_view_support;
+	bool ind_view_support;
+};
+
+struct sde_edid_ctrl {
+	struct edid *edid;
+	u8 pt_scan_info;
+	u8 it_scan_info;
+	u8 ce_scan_info;
+	u8 audio_data_block[MAX_NUMBER_ADB * MAX_AUDIO_DATA_BLOCK_SIZE];
+	int adb_size;
+	u8 spkr_alloc_data_block[MAX_SPKR_ALLOC_DATA_BLOCK_SIZE];
+	int sadb_size;
+	bool hdr_supported;
+	char vendor_id[EDID_VENDOR_ID_SIZE];
+	struct sde_edid_sink_caps sink_caps;
+	struct sde_edid_hdr_data hdr_data;
+};
+
+/**
+ * sde_edid_init() - init edid structure.
+ * @edid_ctrl:     Handle to the edid_ctrl structure.
+ * Return: handle to sde_edid_ctrl for the client.
+ */
+struct sde_edid_ctrl *sde_edid_init(void);
+
+/**
+ * sde_edid_deinit() - deinit edid structure.
+ * @edid_ctrl:     Handle to the edid_ctrl structure.
+ *
+ * Return: void.
+ */
+void sde_edid_deinit(void **edid_ctrl);
+
+/**
+ * sde_get_edid() - get edid info.
+ * @connector:   Handle to the drm_connector.
+ * @adapter:     handle to i2c adapter for DDC read
+ * @edid_ctrl:   Handle to the edid_ctrl structure.
+ *
+ * Return: void.
+ */
+void sde_get_edid(struct drm_connector *connector,
+struct i2c_adapter *adapter,
+void **edid_ctrl);
+
+/**
+ * sde_free_edid() - free edid structure.
+ * @edid_ctrl:     Handle to the edid_ctrl structure.
+ *
+ * Return: void.
+ */
+void sde_free_edid(void **edid_ctrl);
+
+/**
+ * sde_detect_hdmi_monitor() - detect HDMI mode.
+ * @edid_ctrl:     Handle to the edid_ctrl structure.
+ *
+ * Return: error code.
+ */
+bool sde_detect_hdmi_monitor(void *edid_ctrl);
+
+/**
+ * _sde_edid_update_modes() - populate EDID modes.
+ * @edid_ctrl:     Handle to the edid_ctrl structure.
+ *
+ * Return: error code.
+ */
+int _sde_edid_update_modes(struct drm_connector *connector,
+							void *edid_ctrl);
+
+#endif /* _SDE_EDID_PARSER_H_ */
+
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 729fd9ff570b..6555fdbee88a 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -649,6 +649,15 @@ struct drm_encoder {
  * @rr_capable: when set the sink is capable of initiating an SCDC read request
  * @supports_scramble: when set the sink supports less than 340Mcsc scrambling
  * @flags_3d: 3D view(s) supported by the sink, see drm_edid.h (DRM_EDID_3D_*)
+ * @pt_scan_info: PT scan info obtained from the VCDB of EDID
+ * @it_scan_info: IT scan info obtained from the VCDB of EDID
+ * @ce_scan_info: CE scan info obtained from the VCDB of EDID
+ * @hdr_eotf: Electro optical transfer function obtained from HDR block
+ * @hdr_metadata_type_one: Metadata type one obtained from HDR block
+ * @hdr_max_luminance: desired max luminance obtained from HDR block
+ * @hdr_avg_luminance: desired avg luminance obtained from HDR block
+ * @hdr_min_luminance: desired min luminance obtained from HDR block
+ * @hdr_supported: does the sink support HDR content
  * @edid_corrupt: indicates whether the last read EDID was corrupt
  * @debugfs_entry: debugfs directory for this connector
  * @state: current atomic state for this connector
@@ -728,7 +737,15 @@ struct drm_connector {
 	bool rr_capable;
 	bool supports_scramble;
 	int flags_3d;
-
+	u8 pt_scan_info;
+	u8 it_scan_info;
+	u8 ce_scan_info;
+	u32 hdr_eotf;
+	bool hdr_metadata_type_one;
+	u32 hdr_max_luminance;
+	u32 hdr_avg_luminance;
+	u32 hdr_min_luminance;
+	bool hdr_supported;
 	/* Flag for raw EDID header corruption - used in Displayport
 	 * compliance testing - * Displayport Link CTS Core 1.2 rev1.1 4.2.2.6
 	 */
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 09c22caf34dd..1c5e74f1ea39 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -73,7 +73,8 @@
 #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
 #define  DRM_MODE_FLAG_SEAMLESS			(1<<19)
-
+#define  DRM_MODE_FLAG_SUPPORTS_RGB		(1<<20)
+#define  DRM_MODE_FLAG_SUPPORTS_YUV		(1<<21)
 
 /* DPMS flags */
 /* bit compatible with the xorg definitions. */