diff --git a/drivers/gpu/drm/drm_hdcp.c b/drivers/gpu/drm/drm_hdcp.c
index 8c851d40cd45..2bfa07fc3fbc 100644
--- a/drivers/gpu/drm/drm_hdcp.c
+++ b/drivers/gpu/drm/drm_hdcp.c
@@ -6,15 +6,20 @@
  * Ramalingam C <ramalingam.c@intel.com>
  */
 
+#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/err.h>
 #include <linux/gfp.h>
+#include <linux/i2c.h>
+#include <linux/iopoll.h>
 #include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/firmware.h>
+#include <linux/workqueue.h>
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_connector.h>
+#include <drm/drm_dp_helper.h>
 #include <drm/drm_hdcp.h>
 #include <drm/drm_sysfs.h>
 #include <drm/drm_print.h>
@@ -513,3 +518,1101 @@ bool drm_hdcp_atomic_check(struct drm_connector *connector,
 	return old_hdcp != new_hdcp;
 }
 EXPORT_SYMBOL(drm_hdcp_atomic_check);
+
+struct drm_hdcp_helper_data {
+	struct mutex mutex;
+	struct mutex *driver_mutex;
+
+	struct drm_connector *connector;
+	const struct drm_hdcp_helper_funcs *funcs;
+
+	u64 value;
+	unsigned int enabled_type;
+
+	struct delayed_work check_work;
+	struct work_struct prop_work;
+
+	struct drm_dp_aux *aux;
+	const struct drm_hdcp_hdcp1_receiver_reg_lut *hdcp1_lut;
+};
+
+struct drm_hdcp_hdcp1_receiver_reg_lut {
+	unsigned int bksv;
+	unsigned int ri;
+	unsigned int aksv;
+	unsigned int an;
+	unsigned int ainfo;
+	unsigned int v[5];
+	unsigned int bcaps;
+	unsigned int bcaps_mask_repeater_present;
+	unsigned int bstatus;
+};
+
+static const struct drm_hdcp_hdcp1_receiver_reg_lut drm_hdcp_hdcp1_ddc_lut = {
+	.bksv = DRM_HDCP_DDC_BKSV,
+	.ri = DRM_HDCP_DDC_RI_PRIME,
+	.aksv = DRM_HDCP_DDC_AKSV,
+	.an = DRM_HDCP_DDC_AN,
+	.ainfo = DRM_HDCP_DDC_AINFO,
+	.v = { DRM_HDCP_DDC_V_PRIME(0), DRM_HDCP_DDC_V_PRIME(1),
+	       DRM_HDCP_DDC_V_PRIME(2), DRM_HDCP_DDC_V_PRIME(3),
+	       DRM_HDCP_DDC_V_PRIME(4) },
+	.bcaps = DRM_HDCP_DDC_BCAPS,
+	.bcaps_mask_repeater_present = DRM_HDCP_DDC_BCAPS_REPEATER_PRESENT,
+	.bstatus = DRM_HDCP_DDC_BSTATUS,
+};
+
+static const struct drm_hdcp_hdcp1_receiver_reg_lut drm_hdcp_hdcp1_dpcd_lut = {
+	.bksv = DP_AUX_HDCP_BKSV,
+	.ri = DP_AUX_HDCP_RI_PRIME,
+	.aksv = DP_AUX_HDCP_AKSV,
+	.an = DP_AUX_HDCP_AN,
+	.ainfo = DP_AUX_HDCP_AINFO,
+	.v = { DP_AUX_HDCP_V_PRIME(0), DP_AUX_HDCP_V_PRIME(1),
+	       DP_AUX_HDCP_V_PRIME(2), DP_AUX_HDCP_V_PRIME(3),
+	       DP_AUX_HDCP_V_PRIME(4) },
+	.bcaps = DP_AUX_HDCP_BCAPS,
+	.bcaps_mask_repeater_present = DP_BCAPS_REPEATER_PRESENT,
+
+	/*
+	 * For some reason the HDMI and DP HDCP specs call this register
+	 * definition by different names. In the HDMI spec, it's called BSTATUS,
+	 * but in DP it's called BINFO.
+	 */
+	.bstatus = DP_AUX_HDCP_BINFO,
+};
+
+static int drm_hdcp_remote_ddc_read(struct i2c_adapter *i2c,
+				    unsigned int offset, u8 *value, size_t len)
+{
+	int ret;
+	u8 start = offset & 0xff;
+	struct i2c_msg msgs[] = {
+		{
+			.addr = DRM_HDCP_DDC_ADDR,
+			.flags = 0,
+			.len = 1,
+			.buf = &start,
+		},
+		{
+			.addr = DRM_HDCP_DDC_ADDR,
+			.flags = I2C_M_RD,
+			.len = len,
+			.buf = value
+		}
+	};
+	ret = i2c_transfer(i2c, msgs, ARRAY_SIZE(msgs));
+	if (ret == ARRAY_SIZE(msgs))
+		return 0;
+	return ret >= 0 ? -EIO : ret;
+}
+
+static int drm_hdcp_remote_dpcd_read(struct drm_dp_aux *aux,
+				     unsigned int offset, u8 *value,
+				     size_t len)
+{
+	ssize_t ret;
+
+	ret = drm_dp_dpcd_read(aux, offset, value, len);
+	if (ret != len) {
+		if (ret >= 0)
+			return -EIO;
+		return ret;
+	}
+
+	return 0;
+}
+
+static int drm_hdcp_remote_read(struct drm_hdcp_helper_data *data,
+				unsigned int offset, u8 *value, u8 len)
+{
+	if (data->aux)
+		return drm_hdcp_remote_dpcd_read(data->aux, offset, value, len);
+	else
+		return drm_hdcp_remote_ddc_read(data->connector->ddc, offset, value, len);
+}
+
+static int drm_hdcp_remote_ddc_write(struct i2c_adapter *i2c,
+				     unsigned int offset, u8 *buffer,
+				     size_t size)
+{
+	int ret;
+	u8 *write_buf;
+	struct i2c_msg msg;
+
+	write_buf = kzalloc(size + 1, GFP_KERNEL);
+	if (!write_buf)
+		return -ENOMEM;
+
+	write_buf[0] = offset & 0xff;
+	memcpy(&write_buf[1], buffer, size);
+
+	msg.addr = DRM_HDCP_DDC_ADDR;
+	msg.flags = 0,
+	msg.len = size + 1,
+	msg.buf = write_buf;
+
+	ret = i2c_transfer(i2c, &msg, 1);
+	if (ret == 1)
+		ret = 0;
+	else if (ret >= 0)
+		ret = -EIO;
+
+	kfree(write_buf);
+	return ret;
+}
+
+static int drm_hdcp_remote_dpcd_write(struct drm_dp_aux *aux,
+				     unsigned int offset, u8 *value,
+				     size_t len)
+{
+	ssize_t ret;
+
+	ret = drm_dp_dpcd_write(aux, offset, value, len);
+	if (ret != len) {
+		if (ret >= 0)
+			return -EIO;
+		return ret;
+	}
+
+	return 0;
+}
+
+static int drm_hdcp_remote_write(struct drm_hdcp_helper_data *data,
+				 unsigned int offset, u8 *value, u8 len)
+{
+	if (data->aux)
+		return drm_hdcp_remote_dpcd_write(data->aux, offset, value, len);
+	else
+		return drm_hdcp_remote_ddc_write(data->connector->ddc, offset,
+						 value, len);
+}
+
+static bool drm_hdcp_is_ksv_valid(struct drm_hdcp_ksv *ksv)
+{
+	/* Valid Ksv has 20 0's and 20 1's */
+	return hweight32(ksv->words[0]) + hweight32(ksv->words[1]) == 20;
+}
+
+static int drm_hdcp_read_valid_bksv(struct drm_hdcp_helper_data *data,
+				    struct drm_hdcp_ksv *bksv)
+{
+	int ret, i, tries = 2;
+
+	/* HDCP spec states that we must retry the bksv if it is invalid */
+	for (i = 0; i < tries; i++) {
+		ret = drm_hdcp_remote_read(data, data->hdcp1_lut->bksv,
+					   bksv->bytes, DRM_HDCP_KSV_LEN);
+		if (ret)
+			return ret;
+
+		if (drm_hdcp_is_ksv_valid(bksv))
+			break;
+	}
+	if (i == tries) {
+		drm_dbg_kms(data->connector->dev, "Bksv is invalid %*ph\n",
+			    DRM_HDCP_KSV_LEN, bksv->bytes);
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+/**
+ * drm_hdcp_helper_hdcp1_capable - Checks if the sink is capable of HDCP 1.x.
+ *
+ * @data: pointer to the HDCP helper data.
+ * @capable: pointer to a bool which will contain true if the sink is capable.
+ *
+ * Returns:
+ * -errno if the transacation between source and sink fails.
+ */
+int drm_hdcp_helper_hdcp1_capable(struct drm_hdcp_helper_data *data,
+				  bool *capable)
+{
+	/*
+	 * DisplayPort has a dedicated bit for this in DPCD whereas HDMI spec
+	 * states that transmitters should use bksv to determine capability.
+	 */
+	if (data->aux) {
+		int ret;
+		u8 bcaps;
+
+		ret = drm_hdcp_remote_read(data, data->hdcp1_lut->bcaps,
+					   &bcaps, 1);
+		*capable = !ret && (bcaps & DP_BCAPS_HDCP_CAPABLE);
+	} else {
+		struct drm_hdcp_ksv bksv;
+
+		*capable = drm_hdcp_read_valid_bksv(data, &bksv) == 0;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_hdcp_helper_hdcp1_capable);
+
+static void drm_hdcp_update_value(struct drm_hdcp_helper_data *data,
+				  u64 value, bool update_property)
+{
+	WARN_ON(!mutex_is_locked(&data->mutex));
+
+	data->value = value;
+	if (update_property) {
+		drm_connector_get(data->connector);
+		schedule_work(&data->prop_work);
+	}
+}
+
+static int
+drm_hdcp_helper_hdcp1_ksv_fifo_ready(struct drm_hdcp_helper_data *data)
+{
+	int ret;
+	u8 val, mask;
+
+	/* KSV FIFO ready bit is stored in different locations on DP v. HDMI */
+	if (data->aux) {
+		ret = drm_hdcp_remote_dpcd_read(data->aux, DP_AUX_HDCP_BSTATUS,
+						&val, 1);
+		mask = DP_BSTATUS_READY;
+	} else {
+		ret = drm_hdcp_remote_ddc_read(data->connector->ddc,
+					       DRM_HDCP_DDC_BCAPS, &val, 1);
+		mask = DRM_HDCP_DDC_BCAPS_KSV_FIFO_READY;
+	}
+	if (ret)
+		return ret;
+	if (val & mask)
+		return 0;
+
+	return -EAGAIN;
+}
+
+static int
+drm_hdcp_helper_hdcp1_read_ksv_fifo(struct drm_hdcp_helper_data *data, u8 *fifo,
+				    u8 num_downstream)
+{
+	struct drm_device *dev = data->connector->dev;
+	int ret, i;
+
+	/* Over HDMI, read the whole thing at once */
+	if (data->connector->ddc) {
+		ret = drm_hdcp_remote_ddc_read(data->connector->ddc,
+					       DRM_HDCP_DDC_KSV_FIFO, fifo,
+					       num_downstream * DRM_HDCP_KSV_LEN);
+		if (ret)
+			drm_err(dev, "DDC ksv fifo read failed (%d)\n", ret);
+		return ret;
+	}
+
+	/* Over DP, read via 15 byte window (3 entries @ 5 bytes each) */
+	for (i = 0; i < num_downstream; i += 3) {
+		size_t len = min(num_downstream - i, 3) * DRM_HDCP_KSV_LEN;
+		ret = drm_hdcp_remote_dpcd_read(data->aux, DP_AUX_HDCP_KSV_FIFO,
+						fifo + i * DRM_HDCP_KSV_LEN,
+						len);
+		if (ret) {
+			drm_err(dev, "Read ksv[%d] from DP/AUX failed (%d)\n",
+				i, ret);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static int drm_hdcp_helper_hdcp1_read_v_prime(struct drm_hdcp_helper_data *data,
+					      u32 *v_prime)
+{
+	struct drm_device *dev = data->connector->dev;
+	int ret, i;
+
+	for (i = 0; i < DRM_HDCP_V_PRIME_NUM_PARTS; i++) {
+		ret = drm_hdcp_remote_read(data, data->hdcp1_lut->v[i],
+					   (u8 *)&v_prime[i],
+					   DRM_HDCP_V_PRIME_PART_LEN);
+		if (ret) {
+			drm_dbg_kms(dev, "Read v'[%d] from failed (%d)\n", i, ret);
+			return ret >= 0 ? -EIO : ret;
+		}
+	}
+	return 0;
+}
+
+static int
+drm_hdcp_helper_hdcp1_authenticate_downstream(struct drm_hdcp_helper_data *data)
+{
+	struct drm_connector *connector = data->connector;
+	struct drm_device *dev = connector->dev;
+	u32 v_prime[DRM_HDCP_V_PRIME_NUM_PARTS];
+	u8 bstatus[DRM_HDCP_BSTATUS_LEN];
+	u8 num_downstream, *ksv_fifo;
+	int ret, i, tries = 3;
+
+	ret = read_poll_timeout(drm_hdcp_helper_hdcp1_ksv_fifo_ready, ret, !ret,
+				10 * 1000, 5 * 1000 * 1000, false, data);
+	if (ret) {
+		drm_err(dev, "Failed to poll ksv ready, %d\n", ret);
+		return ret;
+	}
+
+	ret = drm_hdcp_remote_read(data, data->hdcp1_lut->bstatus,
+				   bstatus, DRM_HDCP_BSTATUS_LEN);
+	if (ret)
+		return ret;
+
+	/*
+	 * When repeater reports 0 device count, HDCP1.4 spec allows disabling
+	 * the HDCP encryption. That implies that repeater can't have its own
+	 * display. As there is no consumption of encrypted content in the
+	 * repeater with 0 downstream devices, we are failing the
+	 * authentication.
+	 */
+	num_downstream = DRM_HDCP_NUM_DOWNSTREAM(bstatus[0]);
+	if (num_downstream == 0) {
+		drm_err(dev, "Repeater with zero downstream devices, %*ph\n",
+			DRM_HDCP_BSTATUS_LEN, bstatus);
+		return -EINVAL;
+	}
+
+	ksv_fifo = kcalloc(DRM_HDCP_KSV_LEN, num_downstream, GFP_KERNEL);
+	if (!ksv_fifo)
+		return -ENOMEM;
+
+	ret = drm_hdcp_helper_hdcp1_read_ksv_fifo(data, ksv_fifo,
+						  num_downstream);
+	if (ret) {
+		drm_err(dev, "Failed to read ksv fifo, %d/%d\n", num_downstream,
+			ret);
+		goto out;
+	}
+
+	if (drm_hdcp_check_ksvs_revoked(dev, ksv_fifo, num_downstream)) {
+		drm_err(dev, "Revoked Ksv(s) in ksv_fifo\n");
+		ret = -EPERM;
+		goto out;
+	}
+
+	/*
+	 * When V prime mismatches, DP Spec mandates re-read of
+	 * V prime atleast twice.
+	 */
+	for (i = 0; i < tries; i++) {
+		ret = drm_hdcp_helper_hdcp1_read_v_prime(data, v_prime);
+		if (ret)
+			continue;
+
+		ret = data->funcs->hdcp1_store_ksv_fifo(connector, ksv_fifo,
+							num_downstream,
+							bstatus, v_prime);
+		if (!ret)
+			break;
+	}
+	if (ret)
+		drm_err(dev, "Could not validate KSV FIFO with V' %d\n", ret);
+
+out:
+	if (!ret)
+		drm_dbg_kms(dev, "HDCP is enabled (%d downstream devices)\n",
+			    num_downstream);
+
+	kfree(ksv_fifo);
+	return ret;
+}
+
+static int drm_hdcp_helper_hdcp1_validate_ri(struct drm_hdcp_helper_data *data)
+{
+	union {
+		u32 word;
+		u8 bytes[DRM_HDCP_RI_LEN];
+	} ri_prime = { .word = 0 };
+	struct drm_connector *connector = data->connector;
+	struct drm_device *dev = connector->dev;
+	int ret;
+
+	ret = drm_hdcp_remote_read(data, data->hdcp1_lut->ri, ri_prime.bytes,
+				   DRM_HDCP_RI_LEN);
+	if (ret) {
+		drm_err(dev, "Failed to read R0' %d\n", ret);
+		return ret;
+	}
+
+	return data->funcs->hdcp1_match_ri(connector, ri_prime.word);
+}
+
+static int drm_hdcp_helper_hdcp1_authenticate(struct drm_hdcp_helper_data *data)
+{
+	union {
+		u32 word;
+		u8 bytes[DRM_HDCP_BSTATUS_LEN];
+	} bstatus;
+	const struct drm_hdcp_helper_funcs *funcs = data->funcs;
+	struct drm_connector *connector = data->connector;
+	struct drm_device *dev = connector->dev;
+	unsigned long r0_prime_timeout, r0_prime_remaining_us = 0, tmp_jiffies;
+	struct drm_hdcp_ksv aksv;
+	struct drm_hdcp_ksv bksv;
+	struct drm_hdcp_an an;
+	bool repeater_present;
+	int ret, i, tries = 3;
+	u8 bcaps;
+
+	if (funcs->hdcp1_read_an_aksv) {
+		ret = funcs->hdcp1_read_an_aksv(connector, an.words, aksv.words);
+		if (ret) {
+			drm_err(dev, "Failed to read An/Aksv values, %d\n", ret);
+			return ret;
+		}
+
+		ret = drm_hdcp_remote_write(data, data->hdcp1_lut->an, an.bytes,
+					DRM_HDCP_AN_LEN);
+		if (ret) {
+			drm_err(dev, "Failed to write An to receiver, %d\n", ret);
+			return ret;
+		}
+
+		ret = drm_hdcp_remote_write(data, data->hdcp1_lut->aksv, aksv.bytes,
+					DRM_HDCP_KSV_LEN);
+		if (ret) {
+			drm_err(dev, "Failed to write Aksv to receiver, %d\n", ret);
+			return ret;
+		}
+	} else {
+		ret = funcs->hdcp1_send_an_aksv(connector);
+		if (ret) {
+			drm_err(dev, "Failed to read An/Aksv values, %d\n", ret);
+			return ret;
+		}
+	}
+
+	/*
+	 * Timeout for R0' to become available. The spec says 100ms from Aksv,
+	 * but some monitors can take longer than this. We'll set the timeout at
+	 * 300ms just to be sure.
+	 */
+	r0_prime_timeout = jiffies + msecs_to_jiffies(300);
+
+	memset(&bksv, 0, sizeof(bksv));
+
+	ret = drm_hdcp_read_valid_bksv(data, &bksv);
+	if (ret < 0)
+		return ret;
+
+	if (drm_hdcp_check_ksvs_revoked(dev, bksv.bytes, 1)) {
+		drm_err(dev, "BKSV is revoked\n");
+		return -EPERM;
+	}
+
+	ret = drm_hdcp_remote_read(data, data->hdcp1_lut->bcaps, &bcaps, 1);
+	if (ret)
+		return ret;
+
+	memset(&bstatus, 0, sizeof(bstatus));
+
+	ret = drm_hdcp_remote_read(data, data->hdcp1_lut->bstatus,
+				   bstatus.bytes, DRM_HDCP_BSTATUS_LEN);
+	if (ret)
+		return ret;
+
+	if (DRM_HDCP_MAX_DEVICE_EXCEEDED(bstatus.bytes[0]) ||
+	    DRM_HDCP_MAX_CASCADE_EXCEEDED(bstatus.bytes[1])) {
+		drm_err(dev, "Max Topology Limit Exceeded, bstatus=%*ph\n",
+			DRM_HDCP_BSTATUS_LEN, bstatus.bytes);
+		return -EPERM;
+	}
+
+	repeater_present = bcaps & data->hdcp1_lut->bcaps_mask_repeater_present;
+
+	ret = funcs->hdcp1_store_receiver_info(connector, bksv.words,
+					       bstatus.word, bcaps,
+					       repeater_present);
+	if (ret) {
+		drm_err(dev, "Failed to store bksv, %d\n", ret);
+		return ret;
+	}
+
+	ret = funcs->hdcp1_enable_encryption(connector);
+	if (ret)
+		return ret;
+
+	ret = funcs->hdcp1_wait_for_r0(connector);
+	if (ret)
+		return ret;
+
+	tmp_jiffies = jiffies;
+	if (time_before(tmp_jiffies, r0_prime_timeout))
+		r0_prime_remaining_us = jiffies_to_usecs(r0_prime_timeout - tmp_jiffies);
+
+	/*
+	 * Wait for R0' to become available.
+	 *
+	 * On DP, there's an R0_READY bit available but no such bit
+	 * exists on HDMI. So poll the ready bit for DP and just wait the
+	 * remainder of the 300 ms timeout for HDMI.
+	 */
+	if (data->aux) {
+		u8 val;
+		ret = read_poll_timeout(drm_hdcp_remote_dpcd_read, ret,
+					!ret && (val & DP_BSTATUS_R0_PRIME_READY),
+					1000, r0_prime_remaining_us, false,
+					data->aux, DP_AUX_HDCP_BSTATUS, &val, 1);
+		if (ret) {
+			drm_err(dev, "R0' did not become ready %d\n", ret);
+			return ret;
+		}
+	} else {
+		usleep_range(r0_prime_remaining_us,
+			     r0_prime_remaining_us + 1000);
+	}
+
+	/*
+	 * DP HDCP Spec mandates the two more reattempt to read R0, incase
+	 * of R0 mismatch.
+	 */
+	for (i = 0; i < tries; i++) {
+		ret = drm_hdcp_helper_hdcp1_validate_ri(data);
+		if (!ret)
+			break;
+	}
+	if (ret) {
+		drm_err(dev, "Failed to match R0/R0', aborting HDCP %d\n", ret);
+		return ret;
+	}
+
+	if (repeater_present)
+		return drm_hdcp_helper_hdcp1_authenticate_downstream(data);
+
+	drm_dbg_kms(dev, "HDCP is enabled (no repeater present)\n");
+	return 0;
+}
+
+static int drm_hdcp_helper_hdcp1_enable(struct drm_hdcp_helper_data *data)
+{
+	struct drm_connector *connector = data->connector;
+	struct drm_device *dev = connector->dev;
+	int i, ret, tries = 3;
+
+	drm_dbg_kms(dev, "[%s:%d] HDCP is being enabled...\n", connector->name,
+		    connector->base.id);
+
+	/* Incase of authentication failures, HDCP spec expects reauth. */
+	for (i = 0; i < tries; i++) {
+		ret = drm_hdcp_helper_hdcp1_authenticate(data);
+		if (!ret)
+			return 0;
+
+		drm_dbg_kms(dev, "HDCP Auth failure (%d)\n", ret);
+
+		/* Ensuring HDCP encryption and signalling are stopped. */
+		data->funcs->hdcp1_disable(data->connector);
+	}
+
+	drm_err(dev, "HDCP authentication failed (%d tries/%d)\n", tries, ret);
+	return ret;
+}
+
+static inline
+void drm_hdcp_helper_driver_lock(struct drm_hdcp_helper_data *data)
+{
+	if (data->driver_mutex)
+		mutex_lock(data->driver_mutex);
+}
+
+static inline
+void drm_hdcp_helper_driver_unlock(struct drm_hdcp_helper_data *data)
+{
+	if (data->driver_mutex)
+		mutex_unlock(data->driver_mutex);
+}
+
+static int drm_hdcp_helper_enable_hdcp(struct drm_hdcp_helper_data *data,
+				       struct drm_atomic_state *state,
+				       struct mutex *driver_mutex)
+{
+	struct drm_connector *connector = data->connector;
+	struct drm_connector_state *conn_state;
+	struct drm_device *dev = connector->dev;
+	unsigned long check_link_interval = DRM_HDCP2_CHECK_PERIOD_MS;
+	bool capable;
+	int ret = 0;
+
+	conn_state = drm_atomic_get_new_connector_state(state, connector);
+
+	mutex_lock(&data->mutex);
+
+	if (data->value == DRM_MODE_CONTENT_PROTECTION_ENABLED) {
+		drm_hdcp_update_value(data, DRM_MODE_CONTENT_PROTECTION_ENABLED,
+				      true);
+		goto out_data_mutex;
+	}
+
+	drm_WARN_ON(dev, data->driver_mutex != NULL);
+	data->driver_mutex = driver_mutex;
+
+	drm_hdcp_helper_driver_lock(data);
+
+	if (data->funcs->setup) {
+		ret = data->funcs->setup(connector, state);
+		if (ret) {
+			drm_err(dev, "Failed to setup HDCP %d\n", ret);
+			goto out;
+		}
+	}
+
+	if (!data->funcs->are_keys_valid ||
+	    !data->funcs->are_keys_valid(connector)) {
+		if (data->funcs->load_keys) {
+			ret = data->funcs->load_keys(connector);
+			if (ret) {
+				drm_err(dev, "Failed to load HDCP keys %d\n", ret);
+				goto out;
+			}
+		}
+	}
+
+	/*
+	 * Considering that HDCP2.2 is more secure than HDCP1.4, If the setup
+	 * is capable of HDCP2.2, it is preferred to use HDCP2.2.
+	 */
+	ret = data->funcs->hdcp2_capable(connector, &capable);
+	if (ret) {
+		drm_err(dev, "HDCP 2.x capability check failed %d\n", ret);
+		goto out;
+	}
+	if (capable) {
+		data->enabled_type = DRM_MODE_HDCP_CONTENT_TYPE1;
+		ret = data->funcs->hdcp2_enable(connector);
+		if (!ret) {
+			check_link_interval = DRM_HDCP2_CHECK_PERIOD_MS;
+			goto out;
+		}
+	}
+
+	/*
+	 * When HDCP2.2 fails and Content Type is not Type1, HDCP1.4 will
+	 * be attempted.
+	 */
+	ret = drm_hdcp_helper_hdcp1_capable(data, &capable);
+	if (ret) {
+		drm_err(dev, "HDCP 1.x capability check failed %d\n", ret);
+		goto out;
+	}
+	if (capable && conn_state->content_type != DRM_MODE_HDCP_CONTENT_TYPE1) {
+		data->enabled_type = DRM_MODE_HDCP_CONTENT_TYPE0;
+		ret = drm_hdcp_helper_hdcp1_enable(data);
+		if (!ret)
+			check_link_interval = DRM_HDCP_CHECK_PERIOD_MS;
+	}
+
+out:
+	if (!ret) {
+		schedule_delayed_work(&data->check_work, check_link_interval);
+		drm_hdcp_update_value(data, DRM_MODE_CONTENT_PROTECTION_ENABLED,
+				      true);
+	}
+
+	drm_hdcp_helper_driver_unlock(data);
+	if (ret)
+		data->driver_mutex = NULL;
+
+out_data_mutex:
+	mutex_unlock(&data->mutex);
+	return ret;
+}
+
+static int drm_hdcp_helper_disable_hdcp(struct drm_hdcp_helper_data *data)
+{
+	int ret = 0;
+
+	mutex_lock(&data->mutex);
+	drm_hdcp_helper_driver_lock(data);
+
+	if (data->value == DRM_MODE_CONTENT_PROTECTION_UNDESIRED)
+		goto out;
+
+	drm_dbg_kms(data->connector->dev, "[%s:%d] HDCP is being disabled...\n",
+		    data->connector->name, data->connector->base.id);
+
+	drm_hdcp_update_value(data, DRM_MODE_CONTENT_PROTECTION_UNDESIRED, true);
+
+	if (data->enabled_type == DRM_MODE_HDCP_CONTENT_TYPE1)
+		ret = data->funcs->hdcp2_disable(data->connector);
+	else
+		ret = data->funcs->hdcp1_disable(data->connector);
+
+	drm_dbg_kms(data->connector->dev, "HDCP is disabled\n");
+
+out:
+	drm_hdcp_helper_driver_unlock(data);
+	data->driver_mutex = NULL;
+	mutex_unlock(&data->mutex);
+	cancel_delayed_work_sync(&data->check_work);
+	return ret;
+}
+
+/**
+ * drm_hdcp_helper_atomic_commit - Helper for drivers to call during commit to
+ * enable/disable HDCP
+ *
+ * @data: pointer to the @drm_hdcp_helper_data for the connector
+ * @state: pointer to the atomic state being committed
+ * @driver_mutex: driver-provided lock to be used while interacting with the driver
+ *
+ * This function can be used by display drivers to determine when HDCP should be
+ * enabled or disabled based on the connector state. It should be called during
+ * steady-state commits as well as connector enable/disable. The function will
+ * handle the HDCP authentication/encryption logic, calling back into the driver
+ * when source operations are necessary.
+ *
+ * @driver_mutex will be retained and used for the duration of the HDCP session
+ * since it will be needed for link checks and retries. This mutex is useful if
+ * the driver has shared resources across connectors which must be serialized.
+ * For example, driver_mutex can be used for MST connectors sharing a common
+ * encoder which should not be accessed/changed concurrently. When the
+ * connector's session is torn down, the mutex will be forgotten by the helper
+ * for this connector until the next session.
+ */
+void drm_hdcp_helper_atomic_commit(struct drm_hdcp_helper_data *data,
+				   struct drm_atomic_state *state,
+				   struct mutex *driver_mutex)
+{
+	struct drm_connector *connector = data->connector;
+	struct drm_connector_state *conn_state;
+	bool type_changed;
+
+	conn_state = drm_atomic_get_new_connector_state(state, connector);
+
+	type_changed = conn_state->hdcp_content_type != data->enabled_type;
+
+	if (conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_UNDESIRED) {
+		drm_hdcp_helper_disable_hdcp(data);
+		return;
+	}
+
+	if (!conn_state->crtc) {
+		drm_hdcp_helper_disable_hdcp(data);
+
+		/* Restore property to DESIRED so it's retried later */
+		if (conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED) {
+			mutex_lock(&data->mutex);
+			drm_hdcp_update_value(data, DRM_MODE_CONTENT_PROTECTION_DESIRED,
+					true);
+			mutex_unlock(&data->mutex);
+		}
+		return;
+	}
+
+	/* Already enabled */
+	if (conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED)
+		return;
+
+	/* Disable and re-enable HDCP on content type change */
+	if (type_changed)
+		drm_hdcp_helper_disable_hdcp(data);
+
+	drm_hdcp_helper_enable_hdcp(data, state, driver_mutex);
+}
+EXPORT_SYMBOL(drm_hdcp_helper_atomic_commit);
+
+static void drm_hdcp_helper_prop_work(struct work_struct *work)
+{
+	struct drm_hdcp_helper_data *data = container_of(work,
+							 struct drm_hdcp_helper_data,
+							 prop_work);
+	struct drm_connector *connector = data->connector;
+	struct drm_device *dev = connector->dev;
+
+	drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+	mutex_lock(&data->mutex);
+
+	/*
+	 * This worker is only used to flip between ENABLED/DESIRED. Either of
+	 * those to UNDESIRED is handled by core. If value == UNDESIRED,
+	 * we're running just after hdcp has been disabled, so just exit
+	 */
+	if (data->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED)
+		drm_hdcp_update_content_protection(connector, data->value);
+
+	mutex_unlock(&data->mutex);
+	drm_modeset_unlock(&dev->mode_config.connection_mutex);
+}
+
+static int drm_hdcp_hdcp1_check_link(struct drm_hdcp_helper_data *data)
+{
+	struct drm_connector *connector = data->connector;
+	struct drm_device *dev = connector->dev;
+	int ret;
+
+	if (data->funcs->hdcp1_check_link) {
+		ret = data->funcs->hdcp1_check_link(connector);
+		if (ret)
+			goto retry;
+	}
+
+	/* The link is checked differently for DP and HDMI */
+	if (data->aux) {
+		u8 bstatus;
+		ret = drm_hdcp_remote_dpcd_read(data->aux, DP_AUX_HDCP_BSTATUS,
+						&bstatus, 1);
+		if (ret) {
+			drm_err(dev, "Failed to read dpcd bstatus, %d\n", ret);
+			return ret;
+		}
+		if (bstatus & (DP_BSTATUS_LINK_FAILURE | DP_BSTATUS_REAUTH_REQ))
+			ret = -EINVAL;
+	} else {
+		ret = drm_hdcp_helper_hdcp1_validate_ri(data);
+		if (ret)
+			drm_err(dev,"Ri' mismatch, check failed (%d)\n", ret);
+	}
+	if (!ret)
+		return 0;
+
+retry:
+	drm_err(dev, "[%s:%d] HDCP link failed, retrying authentication\n",
+		connector->name, connector->base.id);
+
+	ret = data->funcs->hdcp1_disable(connector);
+	if (ret) {
+		drm_err(dev, "Failed to disable hdcp (%d)\n", ret);
+		drm_hdcp_update_value(data, DRM_MODE_CONTENT_PROTECTION_DESIRED,
+				      true);
+		return ret;
+	}
+
+	ret = drm_hdcp_helper_hdcp1_enable(data);
+	if (ret) {
+		drm_err(dev, "Failed to enable hdcp (%d)\n", ret);
+		drm_hdcp_update_value(data, DRM_MODE_CONTENT_PROTECTION_DESIRED,
+				      true);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int drm_hdcp_hdcp2_check_link(struct drm_hdcp_helper_data *data)
+{
+	struct drm_connector *connector = data->connector;
+	struct drm_device *dev = connector->dev;
+	int ret;
+
+	ret = data->funcs->hdcp2_check_link(connector);
+	if (!ret)
+		return 0;
+
+	drm_err(dev, "[%s:%d] HDCP2 link failed, retrying authentication\n",
+		connector->name, connector->base.id);
+
+	ret = data->funcs->hdcp2_disable(connector);
+	if (ret) {
+		drm_err(dev, "Failed to disable hdcp2 (%d)\n", ret);
+		drm_hdcp_update_value(data, DRM_MODE_CONTENT_PROTECTION_DESIRED,
+				      true);
+		return ret;
+	}
+
+	ret = data->funcs->hdcp2_enable(connector);
+	if (ret) {
+		drm_err(dev, "Failed to enable hdcp2 (%d)\n", ret);
+		drm_hdcp_update_value(data, DRM_MODE_CONTENT_PROTECTION_DESIRED,
+				      true);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void drm_hdcp_helper_check_work(struct work_struct *work)
+{
+	struct drm_hdcp_helper_data *data = container_of(to_delayed_work(work),
+							 struct drm_hdcp_helper_data,
+							 check_work);
+	unsigned long check_link_interval;
+
+	mutex_lock(&data->mutex);
+	if (data->value != DRM_MODE_CONTENT_PROTECTION_ENABLED)
+		goto out_data_mutex;
+
+	drm_hdcp_helper_driver_lock(data);
+
+	if (data->enabled_type == DRM_MODE_HDCP_CONTENT_TYPE1) {
+		if (drm_hdcp_hdcp2_check_link(data))
+			goto out;
+		check_link_interval = DRM_HDCP2_CHECK_PERIOD_MS;
+	} else {
+		if (drm_hdcp_hdcp1_check_link(data))
+			goto out;
+		check_link_interval = DRM_HDCP_CHECK_PERIOD_MS;
+	}
+	schedule_delayed_work(&data->check_work, check_link_interval);
+
+out:
+	drm_hdcp_helper_driver_unlock(data);
+out_data_mutex:
+	mutex_unlock(&data->mutex);
+}
+
+/**
+ * drm_hdcp_helper_schedule_hdcp_check - Schedule a check link cycle.
+ *
+ * @data: Pointer to the HDCP helper data.
+ *
+ * This function will kick off a check link cycle on behalf of the caller. This
+ * can be used by DP short hpd interrupt handlers, where the driver must poke
+ * the helper to check the link is still valid.
+ */
+void drm_hdcp_helper_schedule_hdcp_check(struct drm_hdcp_helper_data *data)
+{
+	schedule_delayed_work(&data->check_work, 0);
+}
+EXPORT_SYMBOL(drm_hdcp_helper_schedule_hdcp_check);
+
+static struct drm_hdcp_helper_data *
+drm_hdcp_helper_initialize(struct drm_connector *connector,
+			   const struct drm_hdcp_helper_funcs *funcs,
+			   bool attach_content_type_property)
+{
+	struct drm_hdcp_helper_data *out;
+	int ret;
+
+	out = kzalloc(sizeof(*out), GFP_KERNEL);
+	if (!out)
+		return ERR_PTR(-ENOMEM);
+
+	out->connector = connector;
+	out->funcs = funcs;
+
+	mutex_init(&out->mutex);
+	out->value = DRM_MODE_CONTENT_PROTECTION_UNDESIRED;
+
+	INIT_DELAYED_WORK(&out->check_work, drm_hdcp_helper_check_work);
+	INIT_WORK(&out->prop_work, drm_hdcp_helper_prop_work);
+
+	ret = drm_connector_attach_content_protection_property(connector,
+			attach_content_type_property);
+	if (ret) {
+		drm_hdcp_helper_destroy(out);
+		return ERR_PTR(ret);
+	}
+
+	return out;
+}
+
+/**
+ * drm_hdcp_helper_initialize_dp - Initializes the HDCP helpers for a
+ * DisplayPort connector
+ *
+ * @connector: pointer to the DisplayPort connector.
+ * @funcs: pointer to the vtable of HDCP helper funcs for this connector.
+ * @attach_content_type_property: True if the content_type property should be
+ * attached.
+ *
+ * This function intializes the HDCP helper for the given DisplayPort connector.
+ * This involves creating the Content Protection property as well as the Content
+ * Type property (if desired). Upon success, it will return a pointer to the
+ * HDCP helper data. Ownership of the underlaying memory is transfered to the
+ * caller and should be freed using drm_hdcp_helper_destroy().
+ *
+ * Returns:
+ * Pointer to newly created HDCP helper data. PTR_ERR on failure.
+ */
+struct drm_hdcp_helper_data *
+drm_hdcp_helper_initialize_dp(struct drm_connector *connector,
+			      struct drm_dp_aux *aux,
+			      const struct drm_hdcp_helper_funcs *funcs,
+			      bool attach_content_type_property)
+{
+	struct drm_hdcp_helper_data *out;
+
+	out = drm_hdcp_helper_initialize(connector, funcs,
+					 attach_content_type_property);
+	if (IS_ERR(out))
+		return out;
+
+	out->aux = aux;
+	out->hdcp1_lut = &drm_hdcp_hdcp1_dpcd_lut;
+
+	return out;
+}
+EXPORT_SYMBOL(drm_hdcp_helper_initialize_dp);
+
+/**
+ * drm_hdcp_helper_initialize_hdmi - Initializes the HDCP helpers for an HDMI
+ * connector
+ *
+ * @connector: pointer to the HDMI connector.
+ * @funcs: pointer to the vtable of HDCP helper funcs for this connector.
+ * @attach_content_type_property: True if the content_type property should be
+ * attached.
+ *
+ * This function intializes the HDCP helper for the given HDMI connector. This
+ * involves creating the Content Protection property as well as the Content Type
+ * property (if desired). Upon success, it will return a pointer to the HDCP
+ * helper data. Ownership of the underlaying memory is transfered to the caller
+ * and should be freed using drm_hdcp_helper_destroy().
+ *
+ * Returns:
+ * Pointer to newly created HDCP helper data. PTR_ERR on failure.
+ */
+struct drm_hdcp_helper_data *
+drm_hdcp_helper_initialize_hdmi(struct drm_connector *connector,
+				const struct drm_hdcp_helper_funcs *funcs,
+				bool attach_content_type_property)
+{
+	struct drm_hdcp_helper_data *out;
+
+	out = drm_hdcp_helper_initialize(connector, funcs,
+					 attach_content_type_property);
+	if (IS_ERR(out))
+		return out;
+
+	out->hdcp1_lut = &drm_hdcp_hdcp1_ddc_lut;
+
+	return out;
+}
+EXPORT_SYMBOL(drm_hdcp_helper_initialize_hdmi);
+
+/**
+ * drm_hdcp_helper_destroy - Destroys the given HDCP helper data.
+ *
+ * @data: Pointer to the HDCP helper data.
+ *
+ * This function cleans up and destroys the HDCP helper data created by
+ * drm_hdcp_helper_initialize_dp() or drm_hdcp_helper_initialize_hdmi().
+ */
+void drm_hdcp_helper_destroy(struct drm_hdcp_helper_data *data)
+{
+	struct drm_connector *connector;
+
+	if (!data)
+		return;
+
+	connector = data->connector;
+
+	/*
+	 * If the connector is registered, it's possible userspace could kick
+	 * off another HDCP enable, which would re-spawn the workers.
+	 */
+	drm_WARN_ON(connector->dev,
+		    connector->registration_state == DRM_CONNECTOR_REGISTERED);
+
+	/*
+	 * Now that the connector is not registered, check_work won't be run,
+	 * but cancel any outstanding instances of it
+	 */
+	cancel_delayed_work_sync(&data->check_work);
+
+	/*
+	 * We don't cancel prop_work in the same way as check_work since it
+	 * requires connection_mutex which could be held while calling this
+	 * function. Instead, we rely on the connector references grabbed before
+	 * scheduling prop_work to ensure the connector is alive when prop_work
+	 * is run. So if we're in the destroy path (which is where this
+	 * function should be called), we're "guaranteed" that prop_work is not
+	 * active (tl;dr This Should Never Happen).
+	 */
+	drm_WARN_ON(connector->dev, work_pending(&data->prop_work));
+
+	kfree(data);
+}
+EXPORT_SYMBOL(drm_hdcp_helper_destroy);
diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
index e6e3d16bc7d3..69c6405db5d1 100644
--- a/include/drm/drm_hdcp.h
+++ b/include/drm/drm_hdcp.h
@@ -36,6 +36,7 @@
 #define DRM_HDCP_DDC_BKSV			0x00
 #define DRM_HDCP_DDC_RI_PRIME			0x08
 #define DRM_HDCP_DDC_AKSV			0x10
+#define DRM_HDCP_DDC_AINFO			0x15
 #define DRM_HDCP_DDC_AN				0x18
 #define DRM_HDCP_DDC_V_PRIME(h)			(0x20 + h * 4)
 #define DRM_HDCP_DDC_BCAPS			0x40
@@ -295,6 +296,19 @@ struct drm_atomic_state;
 struct drm_device;
 struct drm_connector;
 
+struct drm_hdcp_ksv {
+	union {
+		u32 words[2];
+		u8 bytes[DRM_HDCP_KSV_LEN];
+	};
+};
+struct drm_hdcp_an {
+	union {
+		u32 words[2];
+		u8 bytes[DRM_HDCP_AN_LEN];
+	};
+};
+
 int drm_hdcp_check_ksvs_revoked(struct drm_device *dev,
 				u8 *ksvs, u32 ksv_count);
 int drm_connector_attach_content_protection_property(
@@ -303,9 +317,186 @@ void drm_hdcp_update_content_protection(struct drm_connector *connector,
 					u64 val);
 bool drm_hdcp_atomic_check(struct drm_connector *connector,
 			   struct drm_atomic_state *state);
+void drm_hdcp_atomic_commit(struct drm_atomic_state *state,
+			    struct drm_connector *connector);
 
 /* Content Type classification for HDCP2.2 vs others */
 #define DRM_MODE_HDCP_CONTENT_TYPE0		0
 #define DRM_MODE_HDCP_CONTENT_TYPE1		1
 
+/**
+ * struct drm_hdcp_helper_funcs - A vtable of function hooks for the hdcp helper
+ *
+ * These hooks are used by the hdcp helper to call into the driver/connector
+ * code to read/write to hw.
+ */
+struct drm_hdcp_helper_funcs {
+	/**
+	 * @setup - Performs driver-specific setup before hdcp is enabled
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*setup)(struct drm_connector *connector,
+		     struct drm_atomic_state *state);
+
+	/**
+	 * @are_keys_valid - Checks if the HDCP transmitter keys are valid
+	 *
+	 * Returns: true if the display controller has valid keys loaded
+	 */
+	bool (*are_keys_valid)(struct drm_connector *connector);
+
+	/**
+	 * @load_keys - Instructs the driver to load its HDCP transmitter keys
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*load_keys)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp2_capable - Checks if both source and sink support HDCP 2.x
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp2_capable)(struct drm_connector *connector, bool *capable);
+
+	/**
+	 * @hdcp2_enable - Enables HDCP 2.x on the specified connector
+	 *
+	 * Since we don't have multiple examples of HDCP 2.x enablement, we
+	 * provide the bare minimum support for HDCP 2.x help. Once we have
+	 * more examples, perhaps we can be more helpful.
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp2_enable)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp2_check_link - Checks the HDCP 2.x link on a specified connector
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp2_check_link)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp2_disable - Disables HDCP 2.x on the specified connector
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp2_disable)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp1_read_an_aksv - Reads transmitter's An & Aksv from hardware
+	 *
+	 * Use this function if hardware allows reading the transmitter's An and
+	 * Aksv values from the kernel. If your hardware will not allow this,
+	 * use hdcp1_send_an_aksv() and implement the transmission in the
+	 * driver.
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_read_an_aksv)(struct drm_connector *connector, u32 *an,
+				  u32 *aksv);
+
+	/**
+	 * @hdcp1_send_an_aksv - Sends transmitter's An & Aksv to the receiver
+	 *
+	 * Only implement this on hardware where An or Aksv are not accessible
+	 * from the kernel. If these values can be read, use
+	 * hdcp1_read_an_aksv() instead.
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_send_an_aksv)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp1_store_receiver_info - Stores the receiver's info in the transmitter
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_store_receiver_info)(struct drm_connector *connector,
+					 u32 *ksv, u32 status, u8 caps,
+					 bool repeater_present);
+
+	/**
+	 * @hdcp1_enable_encryption - Enables encryption of the outgoing signal
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_enable_encryption)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp1_wait_for_r0 - Wait for transmitter to calculate R0
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_wait_for_r0)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp1_match_ri - Matches the given Ri from the receiver with Ri in
+	 * the transmitter
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_match_ri)(struct drm_connector *connector, u32 ri_prime);
+
+	/**
+	 * @hdcp1_post_encryption - Allows the driver to confirm encryption and
+	 * perform any post-processing
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_post_encryption)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp1_store_ksv_fifo - Write the receiver's KSV list to transmitter
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_store_ksv_fifo)(struct drm_connector *connector,
+				    u8 *ksv_fifo, u8 num_downstream,
+				    u8 *bstatus, u32 *vprime);
+
+	/**
+	 * @hdcp1_check_link - Allows the driver to check the HDCP 1.x status
+	 * on a specified connector
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_check_link)(struct drm_connector *connector);
+
+	/**
+	 * @hdcp1_disable - Disables HDCP 1.x on the specified connector
+	 *
+	 * Returns: 0 on success, -errno on failure
+	 */
+	int (*hdcp1_disable)(struct drm_connector *connector);
+};
+
+struct drm_hdcp_helper_data;
+struct drm_dp_aux;
+struct i2c_adapter;
+struct mutex;
+
+struct drm_hdcp_helper_data *
+drm_hdcp_helper_initialize_dp(struct drm_connector *connector,
+			      struct drm_dp_aux *aux,
+			      const struct drm_hdcp_helper_funcs *funcs,
+			      bool attach_content_type_property);
+
+struct drm_hdcp_helper_data *
+drm_hdcp_helper_initialize_hdmi(struct drm_connector *connector,
+				const struct drm_hdcp_helper_funcs *funcs,
+				bool attach_content_type_property);
+
+void drm_hdcp_helper_destroy(struct drm_hdcp_helper_data *data);
+
+int drm_hdcp_helper_hdcp1_capable(struct drm_hdcp_helper_data *data,
+				  bool *capable);
+void drm_hdcp_helper_atomic_commit(struct drm_hdcp_helper_data *data,
+				   struct drm_atomic_state *state,
+				   struct mutex *driver_mutex);
+
+void drm_hdcp_helper_schedule_hdcp_check(struct drm_hdcp_helper_data *data);
+
 #endif
