diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index f68a41eeb1fa..f608ab4e32ae 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -31,6 +31,7 @@
 #include <linux/bitfield.h>
 #include <linux/byteorder/generic.h>
 #include <linux/cec.h>
+#include <linux/gcd.h>
 #include <linux/hdmi.h>
 #include <linux/i2c.h>
 #include <linux/kernel.h>
@@ -741,6 +742,93 @@ static const struct minimode extra_modes[] = {
 	{ 2048, 1536, 60, 0 },
 };
 
+struct cta_rid {
+	u16 hactive;
+	u16 vactive;
+	u8 hratio;
+	u8 vratio;
+};
+
+/* CTA-861-I Table 11 - Resolution Identification (RID) */
+static const struct cta_rid rids[] = {
+	/* RID 0-9 */
+	{ 0, 0, 0, 0 },
+	{ 1280, 720, 16, 9 },
+	{ 1280, 720, 64, 27 },
+	{ 1680, 720, 64, 27 },
+	{ 1920, 1080, 16, 9 },
+	{ 1920, 1080, 64, 27 },
+	{ 2560, 1080, 64, 27 },
+	{ 3840, 1080, 32, 9 },
+	{ 2560, 1440, 16, 9 },
+	{ 3440, 1440, 64, 27 },
+	/* RID 10-19 */
+	{ 5120, 1440, 32, 9 },
+	{ 3840, 2160, 16, 9 },
+	{ 3840, 2160, 64, 27 },
+	{ 5120, 2160, 64, 27 },
+	{ 7680, 2160, 32, 9 },
+	{ 5120, 2880, 16, 9 },
+	{ 5120, 2880, 64, 27 },
+	{ 6880, 2880, 64, 27 },
+	{ 10240, 2880, 32, 9 },
+	{ 7680, 4320, 16, 9 },
+	/* RID 20-28 */
+	{ 7680, 4320, 64, 27 },
+	{ 10240, 4320, 64, 27 },
+	{ 15360, 4320, 32, 9 },
+	{ 11520, 6480, 16, 9 },
+	{ 11520, 6480, 64, 27 },
+	{ 15360, 6480, 64, 27 },
+	{ 15360, 8640, 16, 9 },
+	{ 15360, 8640, 64, 27 },
+	{ 20480, 8640, 64, 27 },
+};
+
+/* CTA-861-I Table 12 - AVI InfoFrame Video Format Frame Rate */
+static const u16 cta_vf_fr[] = {
+	/* Frame Rate 0-7 */
+	0, 24, 25, 30, 48, 50, 60, 100,
+	/* Frame Rate 8-15 */
+	120, 144, 200, 240, 300, 360, 400, 480,
+};
+
+/* CTA-861-I Table 13 - RID To VIC Mapping */
+static const u8 rid_to_vic[][8] = {
+	/* RID 0-9 */
+	{},
+	{ 60, 61, 62, 108, 19, 4, 41, 47 },
+	{ 65, 66, 67, 109, 68, 69, 70, 71 },
+	{ 79, 80, 81, 110, 82, 83, 84, 85 },
+	{ 32, 33, 34, 111, 31, 16, 64, 63 },
+	{ 72, 73, 74, 112, 75, 76, 77, 78 },
+	{ 86, 87, 88, 113, 89, 90, 91, 92 },
+	{},
+	{},
+	{},
+	/* RID 10-19 */
+	{},
+	{ 93, 94, 95, 114, 96, 97, 117, 118 },
+	{ 103, 104, 105, 116, 106, 107, 119, 120 },
+	{ 121, 122, 123, 124, 125, 126, 127, 193 },
+	{},
+	{},
+	{},
+	{},
+	{},
+	{ 194, 195, 196, 197, 198, 199, 200, 201 },
+	/* RID 20-28 */
+	{ 202, 203, 204, 205, 206, 207, 208, 209 },
+	{ 210, 211, 212, 213, 214, 215, 216, 217 },
+	{},
+	{},
+	{},
+	{},
+	{},
+	{},
+	{},
+};
+
 /*
  * From CEA/CTA-861 spec.
  *
@@ -4140,6 +4228,7 @@ static int add_detailed_modes(struct drm_connector *connector,
 #define CTA_DB_VIDEO			2
 #define CTA_DB_VENDOR			3
 #define CTA_DB_SPEAKER			4
+#define CTA_DB_VIDEO_FORMAT		6
 #define CTA_DB_EXTENDED_TAG		7
 
 /* CTA-861-H Table 62 - CTA Extended Tag Codes */
@@ -4981,6 +5070,16 @@ struct cea_db {
 	u8 data[];
 } __packed;
 
+struct cta_vfd {
+	u8 rid;
+	u8 fr_fact;
+	bool bfr50;
+	bool fr24;
+	bool bfr60;
+	bool fr144;
+	bool fr48;
+};
+
 static int cea_db_tag(const struct cea_db *db)
 {
 	return db->tag_length >> 5;
@@ -5306,34 +5405,6 @@ static void parse_cta_y420cmdb(struct drm_connector *connector,
 	*y420cmdb_map = map;
 }
 
-static int add_cea_modes(struct drm_connector *connector,
-			 const struct drm_edid *drm_edid)
-{
-	const struct cea_db *db;
-	struct cea_db_iter iter;
-	int modes;
-
-	/* CTA VDB block VICs parsed earlier */
-	modes = add_cta_vdb_modes(connector);
-
-	cea_db_iter_edid_begin(drm_edid, &iter);
-	cea_db_iter_for_each(db, &iter) {
-		if (cea_db_is_hdmi_vsdb(db)) {
-			modes += do_hdmi_vsdb_modes(connector, (const u8 *)db,
-						    cea_db_payload_len(db));
-		} else if (cea_db_is_y420vdb(db)) {
-			const u8 *vdb420 = cea_db_data(db) + 1;
-
-			/* Add 4:2:0(only) modes present in EDID */
-			modes += do_y420vdb_modes(connector, vdb420,
-						  cea_db_payload_len(db) - 1);
-		}
-	}
-	cea_db_iter_end(&iter);
-
-	return modes;
-}
-
 static void fixup_detailed_cea_mode_clock(struct drm_connector *connector,
 					  struct drm_display_mode *mode)
 {
@@ -6018,6 +6089,305 @@ static void parse_cta_vdb(struct drm_connector *connector, const struct cea_db *
 	}
 }
 
+/* CTA-861 Video Format Descriptor (CTA VFD) */
+static void parse_cta_vfd(struct cta_vfd *vfd, const u8 *data, int vfd_len)
+{
+	vfd->rid = data[0] & 0x3f;
+	vfd->bfr50 = data[0] & 0x80;
+	vfd->fr24 = data[0] & 0x40;
+	vfd->bfr60 = vfd_len > 1 ? (data[1] & 0x80) : 0x1;
+	vfd->fr144 = vfd_len > 1 ? (data[1] & 0x40) : 0x0;
+	vfd->fr_fact = vfd_len > 1 ? (data[1] & 0x3f) : 0x3;
+	vfd->fr48 = vfd_len > 2 ? (data[2] & 0x1) : 0x0;
+}
+
+static bool vfd_has_fr(const struct cta_vfd *vfd, int rate_idx)
+{
+	static const u8 factors[] = {
+		1, 2, 4, 8, 12, 16
+	};
+	u16 rate = cta_vf_fr[rate_idx];
+	u16 factor = 0;
+	unsigned int i;
+
+	switch (rate) {
+	case 24:
+		return vfd->fr24;
+	case 48:
+		return vfd->fr48;
+	case 144:
+		return vfd->fr144;
+	}
+
+	if (!(rate % 25)) {
+		if (!vfd->bfr50)
+			return false;
+
+		factor = rate / 25;
+	} else if (!(rate % 30)) {
+		if (!vfd->bfr60)
+			return false;
+
+		factor = rate / 30;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(factors); i++)
+		if (factor == factors[i] && (vfd->fr_fact & (1 << i)))
+			return true;
+
+	return false;
+}
+
+#define OVT_PIXEL_CLOCK_GRANULARITY	1000		/* Hz */
+#define OVT_MIN_HTOTAL_GRANULARITY	8		/* pixels */
+#define OVT_MIN_VBLANK_DURATION	460000000	/* ps */
+#define OVT_MIN_VBLANK_LINES		20
+#define OVT_MIN_VSYNC_LEADING_EDGE	400		/* us */
+#define OVT_MIN_VSYNC_LE_LINES		14
+#define OVT_MIN_CLOCK_RATE_420		590000000	/* Hz */
+#define OVT_PIXEL_FACTOR_420		2
+#define OVT_MIN_HBLANK_444		80		/* pixels */
+#define OVT_MIN_HBLANK_420		128		/* pixels */
+#define OVT_MAX_CHUNK_RATE		650000000	/* Hz */
+#define OVT_AUDIO_PACKET_RATE		195000		/* Hz */
+#define OVT_AUDIO_PACKET_SIZE		32
+#define OVT_LINE_OVERHEAD		32
+#define OVT_HSYNC_WIDTH		32
+#define OVT_VSYNC_WIDTH		8
+
+/* OVT Algorthim as specified in CTA-861-I */
+static struct drm_display_mode *
+calculate_ovt_mode(struct drm_connector *connector, const struct cta_rid *rid,
+		   u16 vrate)
+{
+	u32 max_audio_packets_per_line;
+	struct drm_display_mode *mode;
+	u32 htotal_granularity_chunk;
+	u32 resolution_granularity;
+	u32 vtotal_granularity = 1;
+	u64 min_pixel_clock_rate;
+	u32 htotal_granularity;
+	u32 max_vrate = vrate;
+	u64 pixel_clock_rate;
+	u64 max_active_time;
+	u64 min_resolution;
+	u32 vsync_position;
+	u32 min_line_time;
+	u32 min_line_rate;
+	u32 min_hblank;
+	u32 min_htotal;
+	u32 min_vblank;
+	u32 min_vtotal;
+	u32 htotal;
+	u32 vtotal;
+	u32 h;
+	u64 r;
+	u32 v;
+
+	/* step 1 */
+	switch (vrate) {
+	case 24:
+	case 25:
+		max_vrate = 30;
+		fallthrough;
+	case 30:
+		vtotal_granularity = 20;
+		break;
+	case 48:
+	case 50:
+		max_vrate = 60;
+		fallthrough;
+	case 60:
+		vtotal_granularity = 20;
+		break;
+	case 100:
+		max_vrate = 120;
+		fallthrough;
+	case 120:
+		vtotal_granularity = 5;
+		break;
+	case 200:
+		max_vrate = 240;
+		fallthrough;
+	case 240:
+		vtotal_granularity = 5;
+		break;
+	case 300:
+		max_vrate = 360;
+		fallthrough;
+	case 360:
+		vtotal_granularity = 5;
+		break;
+	case 400:
+		max_vrate = 480;
+		fallthrough;
+	case 480:
+		vtotal_granularity = 5;
+		break;
+	}
+
+	/* step 2 */
+	max_active_time = ((u64)1000000000000 / (u64)max_vrate) -
+		(u64)OVT_MIN_VBLANK_DURATION;
+
+	min_line_time = max_active_time / (u64)rid->vactive;
+
+	min_vblank = max_t(u64, (u64)OVT_MIN_VBLANK_LINES,
+			   DIV64_U64_ROUND_UP(OVT_MIN_VBLANK_DURATION,
+					      min_line_time));
+
+	min_vtotal = rid->vactive + min_vblank;
+
+	if (min_vtotal % vtotal_granularity)
+		min_vtotal += vtotal_granularity - (min_vtotal %
+						    vtotal_granularity);
+
+	/* step 3 */
+	min_line_rate = max_vrate * min_vtotal;
+
+	max_audio_packets_per_line = DIV_ROUND_UP(OVT_AUDIO_PACKET_RATE,
+						  min_line_rate);
+
+	/* step 4 */
+	min_hblank = OVT_LINE_OVERHEAD + OVT_AUDIO_PACKET_SIZE *
+		max_audio_packets_per_line;
+
+	min_htotal = rid->hactive + max(OVT_MIN_HBLANK_444, min_hblank);
+
+	min_pixel_clock_rate = max_vrate * min_htotal * min_vtotal;
+
+	htotal_granularity_chunk =
+		roundup_pow_of_two(DIV_ROUND_UP(min_pixel_clock_rate,
+						OVT_MAX_CHUNK_RATE));
+
+	htotal_granularity = max(OVT_MIN_HTOTAL_GRANULARITY,
+				 htotal_granularity_chunk);
+
+	if (min_htotal % htotal_granularity)
+		min_htotal += htotal_granularity - (min_htotal %
+						    htotal_granularity);
+
+	resolution_granularity = OVT_PIXEL_CLOCK_GRANULARITY /
+		gcd(OVT_PIXEL_CLOCK_GRANULARITY, max_vrate);
+
+	do {
+		/* step 5 */
+		min_resolution = 0;
+		v = min_vtotal;
+
+		goto loop_end;
+
+		while (!min_resolution || r <= min_resolution) {
+			while (r % resolution_granularity ||
+			       max_vrate * r / (h & ~(h - 1)) >
+			       OVT_MAX_CHUNK_RATE) {
+				h += htotal_granularity;
+				r = (u64)h * (u64)v;
+			}
+
+			if (!min_resolution || r < min_resolution) {
+				htotal = h;
+				vtotal = v;
+				min_resolution = r;
+			}
+
+			v += vtotal_granularity;
+
+loop_end:
+			h = min_htotal;
+			r = (u64)h * (u64)v;
+		}
+
+		pixel_clock_rate = max_vrate * min_resolution;
+
+		/* step 6 */
+		min_htotal = rid->hactive + max(OVT_MIN_HBLANK_420,
+						OVT_PIXEL_FACTOR_420 *
+						min_hblank);
+	} while (pixel_clock_rate >= OVT_MIN_CLOCK_RATE_420 &&
+		 htotal < min_htotal);
+
+	/* step 7 */
+	vtotal = vtotal * max_vrate / vrate;
+
+	/* step 8 */
+	vsync_position = max(OVT_MIN_VSYNC_LE_LINES,
+			     DIV64_U64_ROUND_UP((u64)OVT_MIN_VSYNC_LE_LINES *
+						(u64)pixel_clock_rate,
+						(u64)htotal * (u64)1000000));
+
+	mode = drm_mode_create(connector->dev);
+
+	if (!mode)
+		return NULL;
+
+	mode->clock = pixel_clock_rate / 1000;
+	mode->hdisplay = rid->hactive;
+	mode->hsync_start = htotal - OVT_HSYNC_WIDTH * 2;
+	mode->hsync_end = mode->hsync_start + OVT_HSYNC_WIDTH;
+	mode->htotal = htotal;
+
+	mode->vdisplay = rid->vactive;
+	mode->vsync_start = vtotal - vsync_position;
+	mode->vsync_end = mode->vsync_start + OVT_VSYNC_WIDTH;
+	mode->vtotal = vtotal;
+
+	return mode;
+}
+
+/* CTA-861 Video Format Data Block (CTA VFDB) */
+static int add_modes_from_vfdb(struct drm_connector *connector,
+			       const struct cea_db *db)
+{
+	struct drm_display_info *info = &connector->display_info;
+	int vfdb_len = cea_db_payload_len(db);
+	struct drm_display_mode *mode;
+	struct cta_vfd vfd;
+	int num_modes = 0;
+	int vfd_len;
+	int i;
+	int j;
+
+	if (!vfdb_len)
+		return 0;
+
+	vfd_len = (db->data[0] & 0x3) + 1;
+
+	if (!vfd_len)
+		return 0;
+
+	vfdb_len--;
+
+	vfdb_len -= (vfdb_len % vfd_len);
+
+	for (i = 0; i < vfdb_len; i += vfd_len) {
+		parse_cta_vfd(&vfd, &db->data[i + 1], vfd_len);
+
+		if (!vfd.rid || vfd.rid >= ARRAY_SIZE(rids))
+			continue;
+
+		for (j = 1; j < ARRAY_SIZE(cta_vf_fr); j++) {
+			if (!vfd_has_fr(&vfd, j) ||
+			    (cta_vf_fr[j] < 144 && rid_to_vic[vfd.rid][j - 1]))
+				continue;
+
+			mode = calculate_ovt_mode(connector, &rids[vfd.rid],
+						  cta_vf_fr[j]);
+
+			if (!mode)
+				continue;
+
+			mode->height_mm = info->height_mm;
+			mode->width_mm = info->width_mm;
+
+			drm_mode_probed_add(connector, mode);
+			num_modes++;
+		}
+	}
+
+	return num_modes;
+}
+
 /*
  * Update y420_cmdb_modes based on previously parsed CTA VDB and Y420CMDB.
  *
@@ -6831,6 +7201,36 @@ static int add_displayid_detailed_1_modes(struct drm_connector *connector,
 	return num_modes;
 }
 
+static int add_cea_modes(struct drm_connector *connector,
+			 const struct drm_edid *drm_edid)
+{
+	const struct cea_db *db;
+	struct cea_db_iter iter;
+	int modes;
+
+	/* CTA VDB block VICs parsed earlier */
+	modes = add_cta_vdb_modes(connector);
+
+	cea_db_iter_edid_begin(drm_edid, &iter);
+	cea_db_iter_for_each(db, &iter) {
+		if (cea_db_is_hdmi_vsdb(db)) {
+			modes += do_hdmi_vsdb_modes(connector, (const u8 *)db,
+						    cea_db_payload_len(db));
+		} else if (cea_db_is_y420vdb(db)) {
+			const u8 *vdb420 = cea_db_data(db) + 1;
+
+			/* Add 4:2:0(only) modes present in EDID */
+			modes += do_y420vdb_modes(connector, vdb420,
+						  cea_db_payload_len(db) - 1);
+		} else if (cea_db_tag(db) == CTA_DB_VIDEO_FORMAT) {
+			modes += add_modes_from_vfdb(connector, db);
+		}
+	}
+	cea_db_iter_end(&iter);
+
+	return modes;
+}
+
 static int add_displayid_detailed_modes(struct drm_connector *connector,
 					const struct drm_edid *drm_edid)
 {
