[PATCH 4/9] drm/amd/display: Refactor FreeSync module

[nicholas.kazlauskas@xxxxxxx (Nicholas Kazlauskas)]

From: Anthony Koo <Anthony.Koo@xxxxxxx>

Remove dependency on internal sink map and instead
use existing stream and plane state

Signed-off-by: Anthony Koo <Anthony.Koo at amd.com>
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |  288 +--
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |   18 +-
 .../display/amdgpu_dm/amdgpu_dm_mst_types.c   |   10 +-
 drivers/gpu/drm/amd/display/dc/core/dc.c      |   60 +-
 .../gpu/drm/amd/display/dc/core/dc_link_dp.c  |    3 +
 .../gpu/drm/amd/display/dc/core/dc_resource.c |  110 +-
 drivers/gpu/drm/amd/display/dc/dc_hw_types.h  |    6 -
 drivers/gpu/drm/amd/display/dc/dc_stream.h    |   29 +-
 drivers/gpu/drm/amd/display/dc/dc_types.h     |   22 +-
 .../display/dc/dce110/dce110_hw_sequencer.c   |   34 +-
 .../amd/display/dc/dcn10/dcn10_hw_sequencer.c |   27 +-
 .../drm/amd/display/include/set_mode_types.h  |   12 -
 .../amd/display/modules/freesync/freesync.c   | 1837 ++++++-----------
 .../amd/display/modules/inc/mod_freesync.h    |  144 +-
 14 files changed, 930 insertions(+), 1670 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 9dad505d132f..d599fbfa895b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -839,8 +839,7 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
 
 		if (sink) {
 			if (aconnector->dc_sink) {
-				amdgpu_dm_remove_sink_from_freesync_module(
-								connector);
+				amdgpu_dm_update_freesync_caps(connector, NULL);
 				/* retain and release bellow are used for
 				 * bump up refcount for sink because the link don't point
 				 * to it anymore after disconnect so on next crtc to connector
@@ -850,10 +849,10 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
 					dc_sink_release(aconnector->dc_sink);
 			}
 			aconnector->dc_sink = sink;
-			amdgpu_dm_add_sink_to_freesync_module(
-						connector, aconnector->edid);
+			amdgpu_dm_update_freesync_caps(connector,
+					aconnector->edid);
 		} else {
-			amdgpu_dm_remove_sink_from_freesync_module(connector);
+			amdgpu_dm_update_freesync_caps(connector, NULL);
 			if (!aconnector->dc_sink)
 				aconnector->dc_sink = aconnector->dc_em_sink;
 			else if (aconnector->dc_sink != aconnector->dc_em_sink)
@@ -890,8 +889,7 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
 		/* TODO: check if we still need the S3 mode update workaround.
 		 * If yes, put it here. */
 		if (aconnector->dc_sink)
-			amdgpu_dm_remove_sink_from_freesync_module(
-							connector);
+			amdgpu_dm_update_freesync_caps(connector, NULL);
 
 		aconnector->dc_sink = sink;
 		if (sink->dc_edid.length == 0) {
@@ -907,11 +905,11 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
 			drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
 					    aconnector->edid);
 		}
-		amdgpu_dm_add_sink_to_freesync_module(connector, aconnector->edid);
+		amdgpu_dm_update_freesync_caps(connector, aconnector->edid);
 
 	} else {
 		drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
-		amdgpu_dm_remove_sink_from_freesync_module(connector);
+		amdgpu_dm_update_freesync_caps(connector, NULL);
 		drm_connector_update_edid_property(connector, NULL);
 		aconnector->num_modes = 0;
 		aconnector->dc_sink = NULL;
@@ -1586,26 +1584,68 @@ static void dm_bandwidth_update(struct amdgpu_device *adev)
 static int amdgpu_notify_freesync(struct drm_device *dev, void *data,
 				struct drm_file *filp)
 {
-	struct mod_freesync_params freesync_params;
-	uint8_t num_streams;
+	struct drm_atomic_state *state;
+	struct drm_modeset_acquire_ctx ctx;
+	struct drm_crtc *crtc;
+	struct drm_connector *connector;
+	struct drm_connector_state *old_con_state, *new_con_state;
+	int ret = 0;
 	uint8_t i;
+	bool enable = false;
 
-	struct amdgpu_device *adev = dev->dev_private;
-	int r = 0;
+	drm_modeset_acquire_init(&ctx, 0);
+
+	state = drm_atomic_state_alloc(dev);
+	if (!state) {
+		ret = -ENOMEM;
+		goto out;
+	}
+	state->acquire_ctx = &ctx;
+
+retry:
+	drm_for_each_crtc(crtc, dev) {
+		ret = drm_atomic_add_affected_connectors(state, crtc);
+		if (ret)
+			goto fail;
+
+		/* TODO rework amdgpu_dm_commit_planes so we don't need this */
+		ret = drm_atomic_add_affected_planes(state, crtc);
+		if (ret)
+			goto fail;
+	}
 
-	/* Get freesync enable flag from DRM */
+	for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
+		struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
+		struct drm_crtc_state *new_crtc_state;
+		struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
+		struct dm_crtc_state *dm_new_crtc_state;
 
-	num_streams = dc_get_current_stream_count(adev->dm.dc);
+		if (!acrtc) {
+			ASSERT(0);
+			continue;
+		}
 
-	for (i = 0; i < num_streams; i++) {
-		struct dc_stream_state *stream;
-		stream = dc_get_stream_at_index(adev->dm.dc, i);
+		new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base);
+		dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
 
-		mod_freesync_update_state(adev->dm.freesync_module,
-					  &stream, 1, &freesync_params);
+		dm_new_crtc_state->freesync_enabled = enable;
 	}
 
-	return r;
+	ret = drm_atomic_commit(state);
+
+fail:
+	if (ret == -EDEADLK) {
+		drm_atomic_state_clear(state);
+		drm_modeset_backoff(&ctx);
+		goto retry;
+	}
+
+	drm_atomic_state_put(state);
+
+out:
+	drm_modeset_drop_locks(&ctx);
+	drm_modeset_acquire_fini(&ctx);
+	return ret;
 }
 
 static const struct amdgpu_display_funcs dm_display_funcs = {
@@ -2565,6 +2605,10 @@ dm_crtc_duplicate_state(struct drm_crtc *crtc)
 		dc_stream_retain(state->stream);
 	}
 
+	state->adjust = cur->adjust;
+	state->vrr_infopacket = cur->vrr_infopacket;
+	state->freesync_enabled = cur->freesync_enabled;
+
 	/* TODO Duplicate dc_stream after objects are stream object is flattened */
 
 	return &state->base;
@@ -2774,13 +2818,15 @@ amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector)
 	struct dm_connector_state *new_state =
 			kmemdup(state, sizeof(*state), GFP_KERNEL);
 
-	if (new_state) {
-		__drm_atomic_helper_connector_duplicate_state(connector,
-							      &new_state->base);
-		return &new_state->base;
-	}
+	if (!new_state)
+		return NULL;
 
-	return NULL;
+	__drm_atomic_helper_connector_duplicate_state(connector, &new_state->base);
+
+	new_state->freesync_capable = state->freesync_capable;
+	new_state->freesync_enable = state->freesync_enable;
+
+	return &new_state->base;
 }
 
 static const struct drm_connector_funcs amdgpu_dm_connector_funcs = {
@@ -3787,8 +3833,6 @@ static void remove_stream(struct amdgpu_device *adev,
 			  struct dc_stream_state *stream)
 {
 	/* this is the update mode case */
-	if (adev->dm.freesync_module)
-		mod_freesync_remove_stream(adev->dm.freesync_module, stream);
 
 	acrtc->otg_inst = -1;
 	acrtc->enabled = false;
@@ -4056,6 +4100,11 @@ static bool commit_planes_to_stream(
 	stream_update->dst = dc_stream->dst;
 	stream_update->out_transfer_func = dc_stream->out_transfer_func;
 
+	if (dm_new_crtc_state->freesync_enabled != dm_old_crtc_state->freesync_enabled) {
+		stream_update->vrr_infopacket = &dc_stream->vrr_infopacket;
+		stream_update->adjust = &dc_stream->adjust;
+	}
+
 	for (i = 0; i < new_plane_count; i++) {
 		updates[i].surface = plane_states[i];
 		updates[i].gamma =
@@ -4191,6 +4240,8 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
 		}
 
+		dc_stream_attach->adjust = acrtc_state->adjust;
+		dc_stream_attach->vrr_infopacket = acrtc_state->vrr_infopacket;
 
 		if (false == commit_planes_to_stream(dm->dc,
 							plane_states_constructed,
@@ -4340,62 +4391,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 		}
 	} /* for_each_crtc_in_state() */
 
-	/*
-	 * Add streams after required streams from new and replaced streams
-	 * are removed from freesync module
-	 */
-	if (adev->dm.freesync_module) {
-		for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
-					      new_crtc_state, i) {
-			struct amdgpu_dm_connector *aconnector = NULL;
-			struct dm_connector_state *dm_new_con_state = NULL;
-			struct amdgpu_crtc *acrtc = NULL;
-			bool modeset_needed;
-
-			dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
-			dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
-			modeset_needed = modeset_required(
-					new_crtc_state,
-					dm_new_crtc_state->stream,
-					dm_old_crtc_state->stream);
-			/* We add stream to freesync if:
-			 * 1. Said stream is not null, and
-			 * 2. A modeset is requested. This means that the
-			 *    stream was removed previously, and needs to be
-			 *    replaced.
-			 */
-			if (dm_new_crtc_state->stream == NULL ||
-					!modeset_needed)
-				continue;
-
-			acrtc = to_amdgpu_crtc(crtc);
-
-			aconnector =
-				amdgpu_dm_find_first_crtc_matching_connector(
-					state, crtc);
-			if (!aconnector) {
-				DRM_DEBUG_DRIVER("Atomic commit: Failed to "
-						 "find connector for acrtc "
-						 "id:%d skipping freesync "
-						 "init\n",
-						 acrtc->crtc_id);
-				continue;
-			}
-
-			mod_freesync_add_stream(adev->dm.freesync_module,
-						dm_new_crtc_state->stream,
-						&aconnector->caps);
-			new_con_state = drm_atomic_get_new_connector_state(
-					state, &aconnector->base);
-			dm_new_con_state = to_dm_connector_state(new_con_state);
-
-			mod_freesync_set_user_enable(adev->dm.freesync_module,
-						     &dm_new_crtc_state->stream,
-						     1,
-						     &dm_new_con_state->user_enable);
-		}
-	}
-
 	if (dm_state->context) {
 		dm_enable_per_frame_crtc_master_sync(dm_state->context);
 		WARN_ON(!dc_commit_state(dm->dc, dm_state->context));
@@ -4449,6 +4444,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 		WARN_ON(!status);
 		WARN_ON(!status->plane_count);
 
+		dm_new_crtc_state->stream->adjust = dm_new_crtc_state->adjust;
+		dm_new_crtc_state->stream->vrr_infopacket = dm_new_crtc_state->vrr_infopacket;
+
 		/*TODO How it works with MPO ?*/
 		if (!commit_planes_to_stream(
 				dm->dc,
@@ -4481,11 +4479,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 		if (dm_new_crtc_state->stream == NULL || !modeset_needed)
 			continue;
 
-		if (adev->dm.freesync_module)
-			mod_freesync_notify_mode_change(
-				adev->dm.freesync_module,
-				&dm_new_crtc_state->stream, 1);
-
 		manage_dm_interrupts(adev, acrtc, true);
 	}
 
@@ -4668,7 +4661,42 @@ static int do_aquire_global_lock(struct drm_device *dev,
 	return ret < 0 ? ret : 0;
 }
 
-static int dm_update_crtcs_state(struct dc *dc,
+void set_freesync_on_stream(struct amdgpu_display_manager *dm,
+			    struct dm_crtc_state *new_crtc_state,
+			    struct dm_connector_state *new_con_state,
+			    struct dc_stream_state *new_stream)
+{
+	struct mod_freesync_config config = {0};
+	struct mod_vrr_params vrr = {0};
+	struct dc_info_packet vrr_infopacket = {0};
+	struct amdgpu_dm_connector *aconnector =
+			to_amdgpu_dm_connector(new_con_state->base.connector);
+
+	if (new_con_state->freesync_capable &&
+	    new_con_state->freesync_enable) {
+		config.state = new_crtc_state->freesync_enabled ?
+				VRR_STATE_ACTIVE_VARIABLE :
+				VRR_STATE_INACTIVE;
+		config.min_refresh_in_uhz =
+				aconnector->min_vfreq * 1000000;
+		config.max_refresh_in_uhz =
+				aconnector->max_vfreq * 1000000;
+	}
+
+	mod_freesync_build_vrr_params(dm->freesync_module,
+				      new_stream,
+				      &config, &vrr);
+
+	mod_freesync_build_vrr_infopacket(dm->freesync_module,
+					  new_stream,
+					  &vrr,
+					  &vrr_infopacket);
+
+	new_crtc_state->adjust = vrr.adjust;
+	new_crtc_state->vrr_infopacket = vrr_infopacket;
+}
+
+static int dm_update_crtcs_state(struct amdgpu_display_manager *dm,
 				 struct drm_atomic_state *state,
 				 bool enable,
 				 bool *lock_and_validation_needed)
@@ -4738,6 +4766,9 @@ static int dm_update_crtcs_state(struct dc *dc,
 				break;
 			}
 
+			set_freesync_on_stream(dm, dm_new_crtc_state,
+					       dm_new_conn_state, new_stream);
+
 			if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) &&
 			    dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) {
 				new_crtc_state->mode_changed = false;
@@ -4746,6 +4777,9 @@ static int dm_update_crtcs_state(struct dc *dc,
 			}
 		}
 
+		if (dm_old_crtc_state->freesync_enabled != dm_new_crtc_state->freesync_enabled)
+			new_crtc_state->mode_changed = true;
+
 		if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
 			goto next_crtc;
 
@@ -4772,7 +4806,7 @@ static int dm_update_crtcs_state(struct dc *dc,
 
 			/* i.e. reset mode */
 			if (dc_remove_stream_from_ctx(
-					dc,
+					dm->dc,
 					dm_state->context,
 					dm_old_crtc_state->stream) != DC_OK) {
 				ret = -EINVAL;
@@ -4809,7 +4843,7 @@ static int dm_update_crtcs_state(struct dc *dc,
 							crtc->base.id);
 
 				if (dc_add_stream_to_ctx(
-						dc,
+						dm->dc,
 						dm_state->context,
 						dm_new_crtc_state->stream) != DC_OK) {
 					ret = -EINVAL;
@@ -4858,6 +4892,8 @@ static int dm_update_crtcs_state(struct dc *dc,
 				goto fail;
 			amdgpu_dm_set_ctm(dm_new_crtc_state);
 		}
+
+
 	}
 
 	return ret;
@@ -5025,8 +5061,12 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 		goto fail;
 
 	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+		struct dm_crtc_state *dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
+		struct dm_crtc_state *dm_old_crtc_state  = to_dm_crtc_state(old_crtc_state);
+
 		if (!drm_atomic_crtc_needs_modeset(new_crtc_state) &&
-		    !new_crtc_state->color_mgmt_changed)
+		    !new_crtc_state->color_mgmt_changed &&
+		    (dm_old_crtc_state->freesync_enabled == dm_new_crtc_state->freesync_enabled))
 			continue;
 
 		if (!new_crtc_state->enable)
@@ -5052,13 +5092,13 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 	}
 
 	/* Disable all crtcs which require disable */
-	ret = dm_update_crtcs_state(dc, state, false, &lock_and_validation_needed);
+	ret = dm_update_crtcs_state(&adev->dm, state, false, &lock_and_validation_needed);
 	if (ret) {
 		goto fail;
 	}
 
 	/* Enable all crtcs which require enable */
-	ret = dm_update_crtcs_state(dc, state, true, &lock_and_validation_needed);
+	ret = dm_update_crtcs_state(&adev->dm, state, true, &lock_and_validation_needed);
 	if (ret) {
 		goto fail;
 	}
@@ -5151,8 +5191,8 @@ static bool is_dp_capable_without_timing_msa(struct dc *dc,
 
 	return capable;
 }
-void amdgpu_dm_add_sink_to_freesync_module(struct drm_connector *connector,
-					   struct edid *edid)
+void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
+					struct edid *edid)
 {
 	int i;
 	bool edid_check_required;
@@ -5171,6 +5211,18 @@ void amdgpu_dm_add_sink_to_freesync_module(struct drm_connector *connector,
 		return;
 	}
 
+	if (!edid) {
+		dm_con_state = to_dm_connector_state(connector->state);
+
+		amdgpu_dm_connector->min_vfreq = 0;
+		amdgpu_dm_connector->max_vfreq = 0;
+		amdgpu_dm_connector->pixel_clock_mhz = 0;
+
+		dm_con_state->freesync_capable = false;
+		dm_con_state->freesync_enable = false;
+		return;
+	}
+
 	dm_con_state = to_dm_connector_state(connector->state);
 
 	edid_check_required = false;
@@ -5221,46 +5273,10 @@ void amdgpu_dm_add_sink_to_freesync_module(struct drm_connector *connector,
 		}
 
 		if (amdgpu_dm_connector->max_vfreq -
-				amdgpu_dm_connector->min_vfreq > 10) {
-			amdgpu_dm_connector->caps.supported = true;
-			amdgpu_dm_connector->caps.min_refresh_in_micro_hz =
-					amdgpu_dm_connector->min_vfreq * 1000000;
-			amdgpu_dm_connector->caps.max_refresh_in_micro_hz =
-					amdgpu_dm_connector->max_vfreq * 1000000;
+		    amdgpu_dm_connector->min_vfreq > 10) {
+
 			dm_con_state->freesync_capable = true;
 		}
 	}
 }
 
-void amdgpu_dm_remove_sink_from_freesync_module(struct drm_connector *connector)
-{
-	struct amdgpu_dm_connector *amdgpu_dm_connector =
-			to_amdgpu_dm_connector(connector);
-	struct dm_connector_state *dm_con_state;
-	struct drm_device *dev = connector->dev;
-	struct amdgpu_device *adev = dev->dev_private;
-
-	if (!amdgpu_dm_connector->dc_sink || !adev->dm.freesync_module) {
-		DRM_ERROR("dc_sink NULL or no free_sync module.\n");
-		return;
-	}
-
-	if (!connector->state) {
-		DRM_ERROR("%s - Connector has no state", __func__);
-		return;
-	}
-
-	dm_con_state = to_dm_connector_state(connector->state);
-
-	amdgpu_dm_connector->min_vfreq = 0;
-	amdgpu_dm_connector->max_vfreq = 0;
-	amdgpu_dm_connector->pixel_clock_mhz = 0;
-
-	memset(&amdgpu_dm_connector->caps, 0, sizeof(amdgpu_dm_connector->caps));
-
-	dm_con_state->freesync_capable = false;
-
-	dm_con_state->user_enable.enable_for_gaming = false;
-	dm_con_state->user_enable.enable_for_static = false;
-	dm_con_state->user_enable.enable_for_video = false;
-}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 54056d180003..85cfa2cbd8ec 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -167,9 +167,6 @@ struct amdgpu_dm_connector {
 	int max_vfreq ;
 	int pixel_clock_mhz;
 
-	/*freesync caps*/
-	struct mod_freesync_caps caps;
-
 	struct mutex hpd_lock;
 
 	bool fake_enable;
@@ -197,9 +194,13 @@ struct dm_crtc_state {
 
 	int crc_skip_count;
 	bool crc_enabled;
+
+	bool freesync_enabled;
+	struct dc_crtc_timing_adjust adjust;
+	struct dc_info_packet vrr_infopacket;
 };
 
-#define to_dm_crtc_state(x)    container_of(x, struct dm_crtc_state, base)
+#define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
 
 struct dm_atomic_state {
 	struct drm_atomic_state base;
@@ -216,7 +217,7 @@ struct dm_connector_state {
 	uint8_t underscan_vborder;
 	uint8_t underscan_hborder;
 	bool underscan_enable;
-	struct mod_freesync_user_enable user_enable;
+	bool freesync_enable;
 	bool freesync_capable;
 };
 
@@ -250,11 +251,8 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connec
 void dm_restore_drm_connector_state(struct drm_device *dev,
 				    struct drm_connector *connector);
 
-void amdgpu_dm_add_sink_to_freesync_module(struct drm_connector *connector,
-					   struct edid *edid);
-
-void
-amdgpu_dm_remove_sink_from_freesync_module(struct drm_connector *connector);
+void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
+					struct edid *edid);
 
 /* amdgpu_dm_crc.c */
 #ifdef CONFIG_DEBUG_FS
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 18a3a6e5ffa0..03601d717fed 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -234,8 +234,9 @@ void dm_dp_mst_dc_sink_create(struct drm_connector *connector)
 	dc_sink->priv = aconnector;
 	aconnector->dc_sink = dc_sink;
 
-	amdgpu_dm_add_sink_to_freesync_module(
-			connector, aconnector->edid);
+	if (aconnector->dc_sink)
+		amdgpu_dm_update_freesync_caps(
+				connector, aconnector->edid);
 }
 
 static int dm_dp_mst_get_modes(struct drm_connector *connector)
@@ -275,8 +276,9 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
 		aconnector->dc_sink = dc_sink;
 
 		if (aconnector->dc_sink)
-			amdgpu_dm_add_sink_to_freesync_module(
+			amdgpu_dm_update_freesync_caps(
 					connector, aconnector->edid);
+
 	}
 
 	drm_connector_update_edid_property(
@@ -439,7 +441,7 @@ static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 
 	aconnector->port = NULL;
 	if (aconnector->dc_sink) {
-		amdgpu_dm_remove_sink_from_freesync_module(connector);
+		amdgpu_dm_update_freesync_caps(connector, NULL);
 		dc_link_remove_remote_sink(aconnector->dc_link, aconnector->dc_sink);
 		dc_sink_release(aconnector->dc_sink);
 		aconnector->dc_sink = NULL;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 6ae050dc3220..20b1785571f7 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -188,11 +188,9 @@ static bool create_links(
  *****************************************************************************
  */
 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
-		struct dc_stream_state **streams, int num_streams,
-		int vmin, int vmax)
+		struct dc_stream_state *stream,
+		struct dc_crtc_timing_adjust *adjust)
 {
-	/* TODO: Support multiple streams */
-	struct dc_stream_state *stream = streams[0];
 	int i = 0;
 	bool ret = false;
 
@@ -200,11 +198,11 @@ bool dc_stream_adjust_vmin_vmax(struct dc *dc,
 		struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
 
 		if (pipe->stream == stream && pipe->stream_res.stream_enc) {
-			dc->hwss.set_drr(&pipe, 1, vmin, vmax);
-
-			/* build and update the info frame */
-			resource_build_info_frame(pipe);
-			dc->hwss.update_info_frame(pipe);
+			pipe->stream->adjust = *adjust;
+			dc->hwss.set_drr(&pipe,
+					1,
+					adjust->v_total_min,
+					adjust->v_total_max);
 
 			ret = true;
 		}
@@ -217,7 +215,7 @@ bool dc_stream_get_crtc_position(struct dc *dc,
 		unsigned int *v_pos, unsigned int *nom_v_pos)
 {
 	/* TODO: Support multiple streams */
-	struct dc_stream_state *stream = streams[0];
+	const struct dc_stream_state *stream = streams[0];
 	int i = 0;
 	bool ret = false;
 	struct crtc_position position;
@@ -1256,8 +1254,25 @@ static enum surface_update_type check_update_surfaces_for_stream(
 	if (stream_status == NULL || stream_status->plane_count != surface_count)
 		return UPDATE_TYPE_FULL;
 
-	if (stream_update)
-		return UPDATE_TYPE_FULL;
+	/* some stream updates require passive update */
+	if (stream_update) {
+		if ((stream_update->src.height != 0) &&
+				(stream_update->src.width != 0))
+			return UPDATE_TYPE_FULL;
+
+		if ((stream_update->dst.height != 0) &&
+				(stream_update->dst.width != 0))
+			return UPDATE_TYPE_FULL;
+
+		if (stream_update->out_transfer_func)
+			return UPDATE_TYPE_FULL;
+
+		if (stream_update->hdr_static_metadata)
+			return UPDATE_TYPE_FULL;
+
+		if (stream_update->abm_level)
+			return UPDATE_TYPE_FULL;
+	}
 
 	for (i = 0 ; i < surface_count; i++) {
 		enum surface_update_type type =
@@ -1336,7 +1351,6 @@ static void commit_planes_for_stream(struct dc *dc,
 		return;
 	}
 
-	/* Full fe update*/
 	for (j = 0; j < dc->res_pool->pipe_count; j++) {
 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
 
@@ -1347,11 +1361,22 @@ static void commit_planes_for_stream(struct dc *dc,
 
 			top_pipe_to_program = pipe_ctx;
 
-			if (update_type == UPDATE_TYPE_FAST || !pipe_ctx->plane_state)
+			if (!pipe_ctx->plane_state)
+				continue;
+
+			/* Fast update*/
+			// VRR program can be done as part of FAST UPDATE
+			if (stream_update && stream_update->adjust)
+				dc->hwss.set_drr(&pipe_ctx, 1,
+					stream_update->adjust->v_total_min,
+					stream_update->adjust->v_total_max);
+
+			/* Full fe update*/
+			if (update_type == UPDATE_TYPE_FAST)
 				continue;
 
 			stream_status =
-					stream_get_status(context, pipe_ctx->stream);
+				stream_get_status(context, pipe_ctx->stream);
 
 			dc->hwss.apply_ctx_for_surface(
 					dc, pipe_ctx->stream, stream_status->plane_count, context);
@@ -1406,7 +1431,7 @@ static void commit_planes_for_stream(struct dc *dc,
 		dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false);
 	}
 
-	if (stream && stream_update && update_type > UPDATE_TYPE_FAST)
+	if (stream && stream_update)
 		for (j = 0; j < dc->res_pool->pipe_count; j++) {
 			struct pipe_ctx *pipe_ctx =
 					&context->res_ctx.pipe_ctx[j];
@@ -1414,7 +1439,8 @@ static void commit_planes_for_stream(struct dc *dc,
 			if (pipe_ctx->stream != stream)
 				continue;
 
-			if (stream_update->hdr_static_metadata) {
+			if (stream_update->hdr_static_metadata ||
+				(stream_update->vrr_infopacket)) {
 				resource_build_info_frame(pipe_ctx);
 				dc->hwss.update_info_frame(pipe_ctx);
 			}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index a7553b6d59c2..d91df5ef0cb3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2389,6 +2389,9 @@ static bool retrieve_link_cap(struct dc_link *link)
 
 	dp_wa_power_up_0010FA(link, dpcd_data, sizeof(dpcd_data));
 
+	down_strm_port_count.raw = dpcd_data[DP_DOWN_STREAM_PORT_COUNT -
+				 DP_DPCD_REV];
+
 	link->dpcd_caps.allow_invalid_MSA_timing_param =
 		down_strm_port_count.bits.IGNORE_MSA_TIMING_PARAM;
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index ea6beccfd89d..892398cd8094 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -2423,119 +2423,13 @@ static void set_spd_info_packet(
 {
 	/* SPD info packet for FreeSync */
 
-	unsigned char checksum = 0;
-	unsigned int idx, payload_size = 0;
-
 	/* Check if Freesync is supported. Return if false. If true,
 	 * set the corresponding bit in the info packet
 	 */
-	if (stream->freesync_ctx.supported == false)
+	if (!stream->vrr_infopacket.valid)
 		return;
 
-	if (dc_is_hdmi_signal(stream->signal)) {
-
-		/* HEADER */
-
-		/* HB0  = Packet Type = 0x83 (Source Product
-		 *	  Descriptor InfoFrame)
-		 */
-		info_packet->hb0 = HDMI_INFOFRAME_TYPE_SPD;
-
-		/* HB1  = Version = 0x01 */
-		info_packet->hb1 = 0x01;
-
-		/* HB2  = [Bits 7:5 = 0] [Bits 4:0 = Length = 0x08] */
-		info_packet->hb2 = 0x08;
-
-		payload_size = 0x08;
-
-	} else if (dc_is_dp_signal(stream->signal)) {
-
-		/* HEADER */
-
-		/* HB0  = Secondary-data Packet ID = 0 - Only non-zero
-		 *	  when used to associate audio related info packets
-		 */
-		info_packet->hb0 = 0x00;
-
-		/* HB1  = Packet Type = 0x83 (Source Product
-		 *	  Descriptor InfoFrame)
-		 */
-		info_packet->hb1 = HDMI_INFOFRAME_TYPE_SPD;
-
-		/* HB2  = [Bits 7:0 = Least significant eight bits -
-		 *	  For INFOFRAME, the value must be 1Bh]
-		 */
-		info_packet->hb2 = 0x1B;
-
-		/* HB3  = [Bits 7:2 = INFOFRAME SDP Version Number = 0x1]
-		 *	  [Bits 1:0 = Most significant two bits = 0x00]
-		 */
-		info_packet->hb3 = 0x04;
-
-		payload_size = 0x1B;
-	}
-
-	/* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
-	info_packet->sb[1] = 0x1A;
-
-	/* PB2 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 1) */
-	info_packet->sb[2] = 0x00;
-
-	/* PB3 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 2) */
-	info_packet->sb[3] = 0x00;
-
-	/* PB4 = Reserved */
-	info_packet->sb[4] = 0x00;
-
-	/* PB5 = Reserved */
-	info_packet->sb[5] = 0x00;
-
-	/* PB6 = [Bits 7:3 = Reserved] */
-	info_packet->sb[6] = 0x00;
-
-	if (stream->freesync_ctx.supported == true)
-		/* PB6 = [Bit 0 = FreeSync Supported] */
-		info_packet->sb[6] |= 0x01;
-
-	if (stream->freesync_ctx.enabled == true)
-		/* PB6 = [Bit 1 = FreeSync Enabled] */
-		info_packet->sb[6] |= 0x02;
-
-	if (stream->freesync_ctx.active == true)
-		/* PB6 = [Bit 2 = FreeSync Active] */
-		info_packet->sb[6] |= 0x04;
-
-	/* PB7 = FreeSync Minimum refresh rate (Hz) */
-	info_packet->sb[7] = (unsigned char) (stream->freesync_ctx.
-			min_refresh_in_micro_hz / 1000000);
-
-	/* PB8 = FreeSync Maximum refresh rate (Hz)
-	 *
-	 * Note: We do not use the maximum capable refresh rate
-	 * of the panel, because we should never go above the field
-	 * rate of the mode timing set.
-	 */
-	info_packet->sb[8] = (unsigned char) (stream->freesync_ctx.
-			nominal_refresh_in_micro_hz / 1000000);
-
-	/* PB9 - PB27  = Reserved */
-	for (idx = 9; idx <= 27; idx++)
-		info_packet->sb[idx] = 0x00;
-
-	/* Calculate checksum */
-	checksum += info_packet->hb0;
-	checksum += info_packet->hb1;
-	checksum += info_packet->hb2;
-	checksum += info_packet->hb3;
-
-	for (idx = 1; idx <= payload_size; idx++)
-		checksum += info_packet->sb[idx];
-
-	/* PB0 = Checksum (one byte complement) */
-	info_packet->sb[0] = (unsigned char) (0x100 - checksum);
-
-	info_packet->valid = true;
+	*info_packet = stream->vrr_infopacket;
 }
 
 static void set_hdr_static_info_packet(
diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
index b789cb2b354b..57f57cf0fe2a 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
@@ -708,12 +708,6 @@ struct crtc_trigger_info {
 	enum trigger_delay delay;
 };
 
-enum vrr_state {
-	VRR_STATE_OFF = 0,
-	VRR_STATE_VARIABLE,
-	VRR_STATE_FIXED,
-};
-
 struct dc_crtc_timing_adjust {
 	uint32_t v_total_min;
 	uint32_t v_total_max;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index cbfe418006cb..67101a525e3d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -45,19 +45,25 @@ struct dc_stream_status {
 	struct dc_link *link;
 };
 
+// TODO: References to this needs to be removed..
+struct freesync_context {
+	bool dummy;
+};
+
 struct dc_stream_state {
 	struct dc_sink *sink;
 	struct dc_crtc_timing timing;
-	struct dc_crtc_timing_adjust timing_adjust;
-	struct vrr_params vrr_params;
+	struct dc_crtc_timing_adjust adjust;
+	struct dc_info_packet vrr_infopacket;
 
 	struct rect src; /* composition area */
 	struct rect dst; /* stream addressable area */
 
-	struct audio_info audio_info;
-
+	// TODO: References to this needs to be removed..
 	struct freesync_context freesync_ctx;
 
+	struct audio_info audio_info;
+
 	struct dc_info_packet hdr_static_metadata;
 	PHYSICAL_ADDRESS_LOC dmdata_address;
 	bool   use_dynamic_meta;
@@ -120,6 +126,8 @@ struct dc_stream_update {
 	unsigned int *abm_level;
 
 	unsigned long long *periodic_fn_vsync_delta;
+	struct dc_crtc_timing_adjust *adjust;
+	struct dc_info_packet *vrr_infopacket;
 };
 
 bool dc_is_stream_unchanged(
@@ -258,10 +266,8 @@ bool dc_stream_set_cursor_position(
 
 
 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
-				struct dc_stream_state **stream,
-				int num_streams,
-				int vmin,
-				int vmax);
+				struct dc_stream_state *stream,
+				struct dc_crtc_timing_adjust *adjust);
 
 bool dc_stream_get_crtc_position(struct dc *dc,
 				 struct dc_stream_state **stream,
@@ -288,13 +294,6 @@ void dc_stream_set_static_screen_events(struct dc *dc,
 void dc_stream_set_dither_option(struct dc_stream_state *stream,
 				 enum dc_dither_option option);
 
-
-bool dc_stream_adjust_vmin_vmax(struct dc *dc,
-				struct dc_stream_state **stream,
-				int num_streams,
-				int vmin,
-				int vmax);
-
 bool dc_stream_get_crtc_position(struct dc *dc,
 				 struct dc_stream_state **stream,
 				 int num_streams,
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 8c6eb78b0c3b..58a6ef80a60e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -513,13 +513,11 @@ struct audio_info {
 	struct audio_mode modes[DC_MAX_AUDIO_DESC_COUNT];
 };
 
-struct vrr_params {
-	enum vrr_state state;
-	uint32_t window_min;
-	uint32_t window_max;
-	uint32_t inserted_frame_duration_in_us;
-	uint32_t frames_to_insert;
-	uint32_t frame_counter;
+enum dc_infoframe_type {
+	DC_HDMI_INFOFRAME_TYPE_VENDOR = 0x81,
+	DC_HDMI_INFOFRAME_TYPE_AVI = 0x82,
+	DC_HDMI_INFOFRAME_TYPE_SPD = 0x83,
+	DC_HDMI_INFOFRAME_TYPE_AUDIO = 0x84,
 };
 
 struct dc_info_packet {
@@ -539,16 +537,6 @@ struct dc_plane_flip_time {
 	unsigned int prev_update_time_in_us;
 };
 
-// Will combine with vrr_params at some point.
-struct freesync_context {
-	bool supported;
-	bool enabled;
-	bool active;
-
-	unsigned int min_refresh_in_micro_hz;
-	unsigned int nominal_refresh_in_micro_hz;
-};
-
 struct psr_config {
 	unsigned char psr_version;
 	unsigned int psr_rfb_setup_time;
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 14384d9675a8..48885a1252b5 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1286,6 +1286,8 @@ static enum dc_status dce110_enable_stream_timing(
 	struct pipe_ctx *pipe_ctx_old = &dc->current_state->res_ctx.
 			pipe_ctx[pipe_ctx->pipe_idx];
 	struct tg_color black_color = {0};
+	struct drr_params params = {0};
+	unsigned int event_triggers = 0;
 
 	if (!pipe_ctx_old->stream) {
 
@@ -1315,9 +1317,19 @@ static enum dc_status dce110_enable_stream_timing(
 				&stream->timing,
 				true);
 
-		pipe_ctx->stream_res.tg->funcs->set_static_screen_control(
-				pipe_ctx->stream_res.tg,
-				0x182);
+		params.vertical_total_min = stream->adjust.v_total_min;
+		params.vertical_total_max = stream->adjust.v_total_max;
+		if (pipe_ctx->stream_res.tg->funcs->set_drr)
+			pipe_ctx->stream_res.tg->funcs->set_drr(
+				pipe_ctx->stream_res.tg, &params);
+
+		// DRR should set trigger event to monitor surface update event
+		if (stream->adjust.v_total_min != 0 &&
+				stream->adjust.v_total_max != 0)
+			event_triggers = 0x80;
+		if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control)
+			pipe_ctx->stream_res.tg->funcs->set_static_screen_control(
+				pipe_ctx->stream_res.tg, event_triggers);
 	}
 
 	if (!pipe_ctx_old->stream) {
@@ -1328,8 +1340,6 @@ static enum dc_status dce110_enable_stream_timing(
 		}
 	}
 
-
-
 	return DC_OK;
 }
 
@@ -1719,16 +1729,24 @@ static void set_drr(struct pipe_ctx **pipe_ctx,
 {
 	int i = 0;
 	struct drr_params params = {0};
+	// DRR should set trigger event to monitor surface update event
+	unsigned int event_triggers = 0x80;
 
 	params.vertical_total_max = vmax;
 	params.vertical_total_min = vmin;
 
 	/* TODO: If multiple pipes are to be supported, you need
-	 * some GSL stuff
+	 * some GSL stuff. Static screen triggers may be programmed differently
+	 * as well.
 	 */
-
 	for (i = 0; i < num_pipes; i++) {
-		pipe_ctx[i]->stream_res.tg->funcs->set_drr(pipe_ctx[i]->stream_res.tg, &params);
+		pipe_ctx[i]->stream_res.tg->funcs->set_drr(
+			pipe_ctx[i]->stream_res.tg, &params);
+
+		if (vmax != 0 && vmin != 0)
+			pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control(
+					pipe_ctx[i]->stream_res.tg,
+					event_triggers);
 	}
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index cfcc54f2ce65..05014e0c8805 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -628,6 +628,8 @@ static enum dc_status dcn10_enable_stream_timing(
 	struct dc_stream_state *stream = pipe_ctx->stream;
 	enum dc_color_space color_space;
 	struct tg_color black_color = {0};
+	struct drr_params params = {0};
+	unsigned int event_triggers = 0;
 
 	/* by upper caller loop, pipe0 is parent pipe and be called first.
 	 * back end is set up by for pipe0. Other children pipe share back end
@@ -695,6 +697,19 @@ static enum dc_status dcn10_enable_stream_timing(
 		return DC_ERROR_UNEXPECTED;
 	}
 
+	params.vertical_total_min = stream->adjust.v_total_min;
+	params.vertical_total_max = stream->adjust.v_total_max;
+	if (pipe_ctx->stream_res.tg->funcs->set_drr)
+		pipe_ctx->stream_res.tg->funcs->set_drr(
+			pipe_ctx->stream_res.tg, &params);
+
+	// DRR should set trigger event to monitor surface update event
+	if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0)
+		event_triggers = 0x80;
+	if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control)
+		pipe_ctx->stream_res.tg->funcs->set_static_screen_control(
+				pipe_ctx->stream_res.tg, event_triggers);
+
 	/* TODO program crtc source select for non-virtual signal*/
 	/* TODO program FMT */
 	/* TODO setup link_enc */
@@ -2388,15 +2403,23 @@ static void set_drr(struct pipe_ctx **pipe_ctx,
 {
 	int i = 0;
 	struct drr_params params = {0};
+	// DRR should set trigger event to monitor surface update event
+	unsigned int event_triggers = 0x80;
 
 	params.vertical_total_max = vmax;
 	params.vertical_total_min = vmin;
 
 	/* TODO: If multiple pipes are to be supported, you need
-	 * some GSL stuff
+	 * some GSL stuff. Static screen triggers may be programmed differently
+	 * as well.
 	 */
 	for (i = 0; i < num_pipes; i++) {
-		pipe_ctx[i]->stream_res.tg->funcs->set_drr(pipe_ctx[i]->stream_res.tg, &params);
+		pipe_ctx[i]->stream_res.tg->funcs->set_drr(
+			pipe_ctx[i]->stream_res.tg, &params);
+		if (vmax != 0 && vmin != 0)
+			pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control(
+					pipe_ctx[i]->stream_res.tg,
+					event_triggers);
 	}
 }
 
diff --git a/drivers/gpu/drm/amd/display/include/set_mode_types.h b/drivers/gpu/drm/amd/display/include/set_mode_types.h
index fee2b6ffcfc1..2b836e582c08 100644
--- a/drivers/gpu/drm/amd/display/include/set_mode_types.h
+++ b/drivers/gpu/drm/amd/display/include/set_mode_types.h
@@ -90,18 +90,6 @@ union hdmi_info_packet {
 	struct info_packet_raw_data packet_raw_data;
 };
 
-struct info_packet {
-	enum info_frame_flag flags;
-	union hdmi_info_packet info_packet_hdmi;
-};
-
-struct info_frame {
-	struct info_packet avi_info_packet;
-	struct info_packet gamut_packet;
-	struct info_packet vendor_info_packet;
-	struct info_packet spd_info_packet;
-};
-
 #pragma pack(pop)
 
 #endif /* __DAL_SET_MODE_TYPES_H__ */
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index fa344ceafc17..5e12e463c06a 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -30,6 +30,7 @@
 
 #define MOD_FREESYNC_MAX_CONCURRENT_STREAMS  32
 
+#define MIN_REFRESH_RANGE_IN_US 10000000
 /* Refresh rate ramp at a fixed rate of 65 Hz/second */
 #define STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME ((1000 / 60) * 65)
 /* Number of elements in the render times cache array */
@@ -40,103 +41,9 @@
 #define FIXED_REFRESH_ENTER_FRAME_COUNT 5
 #define FIXED_REFRESH_EXIT_FRAME_COUNT 5
 
-#define FREESYNC_REGISTRY_NAME "freesync_v1"
-
-#define FREESYNC_NO_STATIC_FOR_EXTERNAL_DP_REGKEY "DalFreeSyncNoStaticForExternalDp"
-
-#define FREESYNC_NO_STATIC_FOR_INTERNAL_REGKEY "DalFreeSyncNoStaticForInternal"
-
-#define FREESYNC_DEFAULT_REGKEY "LCDFreeSyncDefault"
-
-struct gradual_static_ramp {
-	bool ramp_is_active;
-	bool ramp_direction_is_up;
-	unsigned int ramp_current_frame_duration_in_ns;
-};
-
-struct freesync_time {
-	/* video (48Hz feature) related */
-	unsigned int update_duration_in_ns;
-
-	/* BTR/fixed refresh related */
-	unsigned int prev_time_stamp_in_us;
-
-	unsigned int min_render_time_in_us;
-	unsigned int max_render_time_in_us;
-
-	unsigned int render_times_index;
-	unsigned int render_times[RENDER_TIMES_MAX_COUNT];
-
-	unsigned int min_window;
-	unsigned int max_window;
-};
-
-struct below_the_range {
-	bool btr_active;
-	bool program_btr;
-
-	unsigned int mid_point_in_us;
-
-	unsigned int inserted_frame_duration_in_us;
-	unsigned int frames_to_insert;
-	unsigned int frame_counter;
-};
-
-struct fixed_refresh {
-	bool fixed_active;
-	bool program_fixed;
-	unsigned int frame_counter;
-};
-
-struct freesync_range {
-	unsigned int min_refresh;
-	unsigned int max_frame_duration;
-	unsigned int vmax;
-
-	unsigned int max_refresh;
-	unsigned int min_frame_duration;
-	unsigned int vmin;
-};
-
-struct freesync_state {
-	bool fullscreen;
-	bool static_screen;
-	bool video;
-
-	unsigned int vmin;
-	unsigned int vmax;
-
-	struct freesync_time time;
-
-	unsigned int nominal_refresh_rate_in_micro_hz;
-	bool windowed_fullscreen;
-
-	struct gradual_static_ramp static_ramp;
-	struct below_the_range btr;
-	struct fixed_refresh fixed_refresh;
-	struct freesync_range freesync_range;
-};
-
-struct freesync_entity {
-	struct dc_stream_state *stream;
-	struct mod_freesync_caps *caps;
-	struct freesync_state state;
-	struct mod_freesync_user_enable user_enable;
-};
-
-struct freesync_registry_options {
-	bool drr_external_supported;
-	bool drr_internal_supported;
-	bool lcd_freesync_default_set;
-	int lcd_freesync_default_value;
-};
-
 struct core_freesync {
 	struct mod_freesync public;
 	struct dc *dc;
-	struct freesync_registry_options opts;
-	struct freesync_entity *map;
-	int num_entities;
 };
 
 #define MOD_FREESYNC_TO_CORE(mod_freesync)\
@@ -147,69 +54,16 @@ struct mod_freesync *mod_freesync_create(struct dc *dc)
 	struct core_freesync *core_freesync =
 			kzalloc(sizeof(struct core_freesync), GFP_KERNEL);
 
-
-	struct persistent_data_flag flag;
-
-	int i, data = 0;
-
 	if (core_freesync == NULL)
 		goto fail_alloc_context;
 
-	core_freesync->map = kcalloc(MOD_FREESYNC_MAX_CONCURRENT_STREAMS,
-					sizeof(struct freesync_entity),
-					GFP_KERNEL);
-
-	if (core_freesync->map == NULL)
-		goto fail_alloc_map;
-
-	for (i = 0; i < MOD_FREESYNC_MAX_CONCURRENT_STREAMS; i++)
-		core_freesync->map[i].stream = NULL;
-
-	core_freesync->num_entities = 0;
-
 	if (dc == NULL)
 		goto fail_construct;
 
 	core_freesync->dc = dc;
-
-	/* Create initial module folder in registry for freesync enable data */
-	flag.save_per_edid = true;
-	flag.save_per_link = false;
-	dm_write_persistent_data(dc->ctx, NULL, FREESYNC_REGISTRY_NAME,
-			NULL, NULL, 0, &flag);
-	flag.save_per_edid = false;
-	flag.save_per_link = false;
-
-	if (dm_read_persistent_data(dc->ctx, NULL, NULL,
-			FREESYNC_NO_STATIC_FOR_INTERNAL_REGKEY,
-			&data, sizeof(data), &flag)) {
-		core_freesync->opts.drr_internal_supported =
-			(data & 1) ? false : true;
-	}
-
-	if (dm_read_persistent_data(dc->ctx, NULL, NULL,
-			FREESYNC_NO_STATIC_FOR_EXTERNAL_DP_REGKEY,
-			&data, sizeof(data), &flag)) {
-		core_freesync->opts.drr_external_supported =
-				(data & 1) ? false : true;
-	}
-
-	if (dm_read_persistent_data(dc->ctx, NULL, NULL,
-			FREESYNC_DEFAULT_REGKEY,
-			&data, sizeof(data), &flag)) {
-		core_freesync->opts.lcd_freesync_default_set = true;
-		core_freesync->opts.lcd_freesync_default_value = data;
-	} else {
-		core_freesync->opts.lcd_freesync_default_set = false;
-		core_freesync->opts.lcd_freesync_default_value = 0;
-	}
-
 	return &core_freesync->public;
 
 fail_construct:
-	kfree(core_freesync->map);
-
-fail_alloc_map:
 	kfree(core_freesync);
 
 fail_alloc_context:
@@ -218,968 +72,396 @@ struct mod_freesync *mod_freesync_create(struct dc *dc)
 
 void mod_freesync_destroy(struct mod_freesync *mod_freesync)
 {
-	if (mod_freesync != NULL) {
-		int i;
-		struct core_freesync *core_freesync =
-				MOD_FREESYNC_TO_CORE(mod_freesync);
-
-		for (i = 0; i < core_freesync->num_entities; i++)
-			if (core_freesync->map[i].stream)
-				dc_stream_release(core_freesync->map[i].stream);
-
-		kfree(core_freesync->map);
-
-		kfree(core_freesync);
-	}
-}
-
-/* Given a specific dc_stream* this function finds its equivalent
- * on the core_freesync->map and returns the corresponding index
- */
-static unsigned int map_index_from_stream(struct core_freesync *core_freesync,
-		struct dc_stream_state *stream)
-{
-	unsigned int index = 0;
-
-	for (index = 0; index < core_freesync->num_entities; index++) {
-		if (core_freesync->map[index].stream == stream) {
-			return index;
-		}
-	}
-	/* Could not find stream requested */
-	ASSERT(false);
-	return index;
-}
-
-bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream, struct mod_freesync_caps *caps)
-{
-	struct dc  *dc = NULL;
 	struct core_freesync *core_freesync = NULL;
-	int persistent_freesync_enable = 0;
-	struct persistent_data_flag flag;
-	unsigned int nom_refresh_rate_uhz;
-	unsigned long long temp;
-
 	if (mod_freesync == NULL)
-		return false;
-
+		return;
 	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	dc = core_freesync->dc;
-
-	flag.save_per_edid = true;
-	flag.save_per_link = false;
-
-	if (core_freesync->num_entities < MOD_FREESYNC_MAX_CONCURRENT_STREAMS) {
-
-		dc_stream_retain(stream);
-
-		temp = stream->timing.pix_clk_khz;
-		temp *= 1000ULL * 1000ULL * 1000ULL;
-		temp = div_u64(temp, stream->timing.h_total);
-		temp = div_u64(temp, stream->timing.v_total);
-
-		nom_refresh_rate_uhz = (unsigned int) temp;
-
-		core_freesync->map[core_freesync->num_entities].stream = stream;
-		core_freesync->map[core_freesync->num_entities].caps = caps;
-
-		core_freesync->map[core_freesync->num_entities].state.
-			fullscreen = false;
-		core_freesync->map[core_freesync->num_entities].state.
-			static_screen = false;
-		core_freesync->map[core_freesync->num_entities].state.
-			video = false;
-		core_freesync->map[core_freesync->num_entities].state.time.
-			update_duration_in_ns = 0;
-		core_freesync->map[core_freesync->num_entities].state.
-			static_ramp.ramp_is_active = false;
-
-		/* get persistent data from registry */
-		if (dm_read_persistent_data(dc->ctx, stream->sink,
-					FREESYNC_REGISTRY_NAME,
-					"userenable", &persistent_freesync_enable,
-					sizeof(int), &flag)) {
-			core_freesync->map[core_freesync->num_entities].user_enable.
-				enable_for_gaming =
-				(persistent_freesync_enable & 1) ? true : false;
-			core_freesync->map[core_freesync->num_entities].user_enable.
-				enable_for_static =
-				(persistent_freesync_enable & 2) ? true : false;
-			core_freesync->map[core_freesync->num_entities].user_enable.
-				enable_for_video =
-				(persistent_freesync_enable & 4) ? true : false;
-		/* If FreeSync display and LCDFreeSyncDefault is set, use as default values write back to userenable */
-		} else if (caps->supported && (core_freesync->opts.lcd_freesync_default_set)) {
-			core_freesync->map[core_freesync->num_entities].user_enable.enable_for_gaming =
-				(core_freesync->opts.lcd_freesync_default_value & 1) ? true : false;
-			core_freesync->map[core_freesync->num_entities].user_enable.enable_for_static =
-				(core_freesync->opts.lcd_freesync_default_value & 2) ? true : false;
-			core_freesync->map[core_freesync->num_entities].user_enable.enable_for_video =
-				(core_freesync->opts.lcd_freesync_default_value & 4) ? true : false;
-			dm_write_persistent_data(dc->ctx, stream->sink,
-						FREESYNC_REGISTRY_NAME,
-						"userenable", &core_freesync->opts.lcd_freesync_default_value,
-						sizeof(int), &flag);
-		} else {
-			core_freesync->map[core_freesync->num_entities].user_enable.
-					enable_for_gaming = false;
-			core_freesync->map[core_freesync->num_entities].user_enable.
-					enable_for_static = false;
-			core_freesync->map[core_freesync->num_entities].user_enable.
-					enable_for_video = false;
-		}
-
-		if (caps->supported &&
-			nom_refresh_rate_uhz >= caps->min_refresh_in_micro_hz &&
-			nom_refresh_rate_uhz <= caps->max_refresh_in_micro_hz)
-			stream->ignore_msa_timing_param = 1;
-
-		core_freesync->num_entities++;
-		return true;
-	}
-	return false;
+	kfree(core_freesync);
 }
 
-bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream)
+#if 0 /* unused currently */
+static unsigned int calc_refresh_in_uhz_from_duration(
+		unsigned int duration_in_ns)
 {
-	int i = 0;
-	struct core_freesync *core_freesync = NULL;
-	unsigned int index = 0;
-
-	if (mod_freesync == NULL)
-		return false;
+	unsigned int refresh_in_uhz =
+			((unsigned int)(div64_u64((1000000000ULL * 1000000),
+					duration_in_ns)));
+	return refresh_in_uhz;
+}
+#endif
 
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	index = map_index_from_stream(core_freesync, stream);
-
-	dc_stream_release(core_freesync->map[index].stream);
-	core_freesync->map[index].stream = NULL;
-	/* To remove this entity, shift everything after down */
-	for (i = index; i < core_freesync->num_entities - 1; i++)
-		core_freesync->map[i] = core_freesync->map[i + 1];
-	core_freesync->num_entities--;
-	return true;
+static unsigned int calc_duration_in_us_from_refresh_in_uhz(
+		unsigned int refresh_in_uhz)
+{
+	unsigned int duration_in_us =
+			((unsigned int)(div64_u64((1000000000ULL * 1000),
+					refresh_in_uhz)));
+	return duration_in_us;
 }
 
-static void adjust_vmin_vmax(struct core_freesync *core_freesync,
-				struct dc_stream_state **streams,
-				int num_streams,
-				int map_index,
-				unsigned int v_total_min,
-				unsigned int v_total_max)
+static unsigned int calc_duration_in_us_from_v_total(
+		const struct dc_stream_state *stream,
+		const struct mod_vrr_params *in_vrr,
+		unsigned int v_total)
 {
-	if (num_streams == 0 || streams == NULL || num_streams > 1)
-		return;
+	unsigned int duration_in_us =
+			(unsigned int)(div64_u64(((unsigned long long)(v_total)
+				* 1000) * stream->timing.h_total,
+					stream->timing.pix_clk_khz));
 
-	core_freesync->map[map_index].state.vmin = v_total_min;
-	core_freesync->map[map_index].state.vmax = v_total_max;
+	if (duration_in_us < in_vrr->min_duration_in_us)
+		duration_in_us = in_vrr->min_duration_in_us;
 
-	dc_stream_adjust_vmin_vmax(core_freesync->dc, streams,
-				num_streams, v_total_min,
-				v_total_max);
-}
+	if (duration_in_us > in_vrr->max_duration_in_us)
+		duration_in_us = in_vrr->max_duration_in_us;
 
+	return duration_in_us;
+}
 
-static void update_stream_freesync_context(struct core_freesync *core_freesync,
-		struct dc_stream_state *stream)
+static unsigned int calc_v_total_from_refresh(
+		const struct dc_stream_state *stream,
+		unsigned int refresh_in_uhz)
 {
-	unsigned int index;
-	struct freesync_context *ctx;
+	unsigned int v_total = stream->timing.v_total;
+	unsigned int frame_duration_in_ns;
 
-	ctx = &stream->freesync_ctx;
+	frame_duration_in_ns =
+			((unsigned int)(div64_u64((1000000000ULL * 1000000),
+					refresh_in_uhz)));
 
-	index = map_index_from_stream(core_freesync, stream);
+	v_total = div64_u64(div64_u64(((unsigned long long)(
+			frame_duration_in_ns) * stream->timing.pix_clk_khz),
+			stream->timing.h_total), 1000000);
 
-	ctx->supported = core_freesync->map[index].caps->supported;
-	ctx->enabled = (core_freesync->map[index].user_enable.enable_for_gaming ||
-		core_freesync->map[index].user_enable.enable_for_video ||
-		core_freesync->map[index].user_enable.enable_for_static);
-	ctx->active = (core_freesync->map[index].state.fullscreen ||
-		core_freesync->map[index].state.video ||
-		core_freesync->map[index].state.static_ramp.ramp_is_active);
-	ctx->min_refresh_in_micro_hz =
-			core_freesync->map[index].caps->min_refresh_in_micro_hz;
-	ctx->nominal_refresh_in_micro_hz = core_freesync->
-		map[index].state.nominal_refresh_rate_in_micro_hz;
+	/* v_total cannot be less than nominal */
+	if (v_total < stream->timing.v_total) {
+		ASSERT(v_total < stream->timing.v_total);
+		v_total = stream->timing.v_total;
+	}
 
+	return v_total;
 }
 
-static void update_stream(struct core_freesync *core_freesync,
-		struct dc_stream_state *stream)
+static unsigned int calc_v_total_from_duration(
+		const struct dc_stream_state *stream,
+		const struct mod_vrr_params *vrr,
+		unsigned int duration_in_us)
 {
-	unsigned int index = map_index_from_stream(core_freesync, stream);
-	if (core_freesync->map[index].caps->supported) {
-		stream->ignore_msa_timing_param = 1;
-		update_stream_freesync_context(core_freesync, stream);
-	}
-}
+	unsigned int v_total = 0;
 
-static void calc_freesync_range(struct core_freesync *core_freesync,
-		struct dc_stream_state *stream,
-		struct freesync_state *state,
-		unsigned int min_refresh_in_uhz,
-		unsigned int max_refresh_in_uhz)
-{
-	unsigned int min_frame_duration_in_ns = 0, max_frame_duration_in_ns = 0;
-	unsigned int index = map_index_from_stream(core_freesync, stream);
-	uint32_t vtotal = stream->timing.v_total;
-
-	if ((min_refresh_in_uhz == 0) || (max_refresh_in_uhz == 0)) {
-		state->freesync_range.min_refresh =
-				state->nominal_refresh_rate_in_micro_hz;
-		state->freesync_range.max_refresh =
-				state->nominal_refresh_rate_in_micro_hz;
+	if (duration_in_us < vrr->min_duration_in_us)
+		duration_in_us = vrr->min_duration_in_us;
 
-		state->freesync_range.max_frame_duration = 0;
-		state->freesync_range.min_frame_duration = 0;
+	if (duration_in_us > vrr->max_duration_in_us)
+		duration_in_us = vrr->max_duration_in_us;
 
-		state->freesync_range.vmax = vtotal;
-		state->freesync_range.vmin = vtotal;
-
-		return;
-	}
+	v_total = div64_u64(div64_u64(((unsigned long long)(
+				duration_in_us) * stream->timing.pix_clk_khz),
+				stream->timing.h_total), 1000);
 
-	min_frame_duration_in_ns = ((unsigned int) (div64_u64(
-					(1000000000ULL * 1000000),
-					max_refresh_in_uhz)));
-	max_frame_duration_in_ns = ((unsigned int) (div64_u64(
-		(1000000000ULL * 1000000),
-		min_refresh_in_uhz)));
-
-	state->freesync_range.min_refresh = min_refresh_in_uhz;
-	state->freesync_range.max_refresh = max_refresh_in_uhz;
-
-	state->freesync_range.max_frame_duration = max_frame_duration_in_ns;
-	state->freesync_range.min_frame_duration = min_frame_duration_in_ns;
-
-	state->freesync_range.vmax = div64_u64(div64_u64(((unsigned long long)(
-		max_frame_duration_in_ns) * stream->timing.pix_clk_khz),
-		stream->timing.h_total), 1000000);
-	state->freesync_range.vmin = div64_u64(div64_u64(((unsigned long long)(
-		min_frame_duration_in_ns) * stream->timing.pix_clk_khz),
-		stream->timing.h_total), 1000000);
-
-	/* vmin/vmax cannot be less than vtotal */
-	if (state->freesync_range.vmin < vtotal) {
-		/* Error of 1 is permissible */
-		ASSERT((state->freesync_range.vmin + 1) >= vtotal);
-		state->freesync_range.vmin = vtotal;
+	/* v_total cannot be less than nominal */
+	if (v_total < stream->timing.v_total) {
+		ASSERT(v_total < stream->timing.v_total);
+		v_total = stream->timing.v_total;
 	}
 
-	if (state->freesync_range.vmax < vtotal) {
-		/* Error of 1 is permissible */
-		ASSERT((state->freesync_range.vmax + 1) >= vtotal);
-		state->freesync_range.vmax = vtotal;
-	}
-
-	/* Determine whether BTR can be supported */
-	if (max_frame_duration_in_ns >=
-			2 * min_frame_duration_in_ns)
-		core_freesync->map[index].caps->btr_supported = true;
-	else
-		core_freesync->map[index].caps->btr_supported = false;
-
-	/* Cache the time variables */
-	state->time.max_render_time_in_us =
-		max_frame_duration_in_ns / 1000;
-	state->time.min_render_time_in_us =
-		min_frame_duration_in_ns / 1000;
-	state->btr.mid_point_in_us =
-		(max_frame_duration_in_ns +
-		min_frame_duration_in_ns) / 2000;
+	return v_total;
 }
 
-static void calc_v_total_from_duration(struct dc_stream_state *stream,
-		unsigned int duration_in_ns, int *v_total_nominal)
+static void update_v_total_for_static_ramp(
+		struct core_freesync *core_freesync,
+		const struct dc_stream_state *stream,
+		struct mod_vrr_params *in_out_vrr)
 {
-	*v_total_nominal = div64_u64(div64_u64(((unsigned long long)(
-				duration_in_ns) * stream->timing.pix_clk_khz),
-				stream->timing.h_total), 1000000);
-}
-
-static void calc_v_total_for_static_ramp(struct core_freesync *core_freesync,
-		struct dc_stream_state *stream,
-		unsigned int index, int *v_total)
-{
-	unsigned int frame_duration = 0;
-
-	struct gradual_static_ramp *static_ramp_variables =
-				&core_freesync->map[index].state.static_ramp;
+	unsigned int v_total = 0;
+	unsigned int current_duration_in_us =
+			calc_duration_in_us_from_v_total(
+				stream, in_out_vrr,
+				in_out_vrr->adjust.v_total_max);
+	unsigned int target_duration_in_us =
+			calc_duration_in_us_from_refresh_in_uhz(
+				in_out_vrr->fixed.target_refresh_in_uhz);
+	bool ramp_direction_is_up = (current_duration_in_us >
+				target_duration_in_us) ? true : false;
 
 	/* Calc ratio between new and current frame duration with 3 digit */
 	unsigned int frame_duration_ratio = div64_u64(1000000,
 		(1000 +  div64_u64(((unsigned long long)(
 		STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME) *
-		static_ramp_variables->ramp_current_frame_duration_in_ns),
-		1000000000)));
+		current_duration_in_us),
+		1000000)));
 
-	/* Calculate delta between new and current frame duration in ns */
+	/* Calculate delta between new and current frame duration in us */
 	unsigned int frame_duration_delta = div64_u64(((unsigned long long)(
-		static_ramp_variables->ramp_current_frame_duration_in_ns) *
+		current_duration_in_us) *
 		(1000 - frame_duration_ratio)), 1000);
 
 	/* Adjust frame duration delta based on ratio between current and
 	 * standard frame duration (frame duration at 60 Hz refresh rate).
 	 */
 	unsigned int ramp_rate_interpolated = div64_u64(((unsigned long long)(
-		frame_duration_delta) * static_ramp_variables->
-		ramp_current_frame_duration_in_ns), 16666666);
+		frame_duration_delta) * current_duration_in_us), 16666);
 
 	/* Going to a higher refresh rate (lower frame duration) */
-	if (static_ramp_variables->ramp_direction_is_up) {
+	if (ramp_direction_is_up) {
 		/* reduce frame duration */
-		static_ramp_variables->ramp_current_frame_duration_in_ns -=
-			ramp_rate_interpolated;
-
-		/* min frame duration */
-		frame_duration = ((unsigned int) (div64_u64(
-			(1000000000ULL * 1000000),
-			core_freesync->map[index].state.
-			nominal_refresh_rate_in_micro_hz)));
+		current_duration_in_us -= ramp_rate_interpolated;
 
 		/* adjust for frame duration below min */
-		if (static_ramp_variables->ramp_current_frame_duration_in_ns <=
-			frame_duration) {
-
-			static_ramp_variables->ramp_is_active = false;
-			static_ramp_variables->
-				ramp_current_frame_duration_in_ns =
-				frame_duration;
+		if (current_duration_in_us <= target_duration_in_us) {
+			in_out_vrr->fixed.ramping_active = false;
+			in_out_vrr->fixed.ramping_done = true;
+			current_duration_in_us =
+				calc_duration_in_us_from_refresh_in_uhz(
+				in_out_vrr->fixed.target_refresh_in_uhz);
 		}
 	/* Going to a lower refresh rate (larger frame duration) */
 	} else {
 		/* increase frame duration */
-		static_ramp_variables->ramp_current_frame_duration_in_ns +=
-			ramp_rate_interpolated;
-
-		/* max frame duration */
-		frame_duration = ((unsigned int) (div64_u64(
-			(1000000000ULL * 1000000),
-			core_freesync->map[index].caps->min_refresh_in_micro_hz)));
+		current_duration_in_us += ramp_rate_interpolated;
 
 		/* adjust for frame duration above max */
-		if (static_ramp_variables->ramp_current_frame_duration_in_ns >=
-			frame_duration) {
-
-			static_ramp_variables->ramp_is_active = false;
-			static_ramp_variables->
-				ramp_current_frame_duration_in_ns =
-				frame_duration;
+		if (current_duration_in_us >= target_duration_in_us) {
+			in_out_vrr->fixed.ramping_active = false;
+			in_out_vrr->fixed.ramping_done = true;
+			current_duration_in_us =
+				calc_duration_in_us_from_refresh_in_uhz(
+				in_out_vrr->fixed.target_refresh_in_uhz);
 		}
 	}
 
-	calc_v_total_from_duration(stream, static_ramp_variables->
-		ramp_current_frame_duration_in_ns, v_total);
-}
-
-static void reset_freesync_state_variables(struct freesync_state* state)
-{
-	state->static_ramp.ramp_is_active = false;
-	if (state->nominal_refresh_rate_in_micro_hz)
-		state->static_ramp.ramp_current_frame_duration_in_ns =
-			((unsigned int) (div64_u64(
-			(1000000000ULL * 1000000),
-			state->nominal_refresh_rate_in_micro_hz)));
-
-	state->btr.btr_active = false;
-	state->btr.frame_counter = 0;
-	state->btr.frames_to_insert = 0;
-	state->btr.inserted_frame_duration_in_us = 0;
-	state->btr.program_btr = false;
-
-	state->fixed_refresh.fixed_active = false;
-	state->fixed_refresh.program_fixed = false;
-}
-/*
- * Sets freesync mode on a stream depending on current freesync state.
- */
-static bool set_freesync_on_streams(struct core_freesync *core_freesync,
-		struct dc_stream_state **streams, int num_streams)
-{
-	int v_total_nominal = 0, v_total_min = 0, v_total_max = 0;
-	unsigned int stream_idx, map_index = 0;
-	struct freesync_state *state;
+	v_total = calc_v_total_from_duration(stream,
+			in_out_vrr,
+			current_duration_in_us);
 
-	if (num_streams == 0 || streams == NULL || num_streams > 1)
-		return false;
 
-	for (stream_idx = 0; stream_idx < num_streams; stream_idx++) {
-
-		map_index = map_index_from_stream(core_freesync,
-				streams[stream_idx]);
-
-		state = &core_freesync->map[map_index].state;
-
-		if (core_freesync->map[map_index].caps->supported) {
-
-			/* Fullscreen has the topmost priority. If the
-			 * fullscreen bit is set, we are in a fullscreen
-			 * application where it should not matter if it is
-			 * static screen. We should not check the static_screen
-			 * or video bit.
-			 *
-			 * Special cases of fullscreen include btr and fixed
-			 * refresh. We program btr on every flip and involves
-			 * programming full range right before the last inserted frame.
-			 * However, we do not want to program the full freesync range
-			 * when fixed refresh is active, because we only program
-			 * that logic once and this will override it.
-			 */
-			if (core_freesync->map[map_index].user_enable.
-				enable_for_gaming == true &&
-				state->fullscreen == true &&
-				state->fixed_refresh.fixed_active == false) {
-				/* Enable freesync */
-
-				v_total_min = state->freesync_range.vmin;
-				v_total_max = state->freesync_range.vmax;
-
-				/* Update the freesync context for the stream */
-				update_stream_freesync_context(core_freesync,
-						streams[stream_idx]);
-
-				adjust_vmin_vmax(core_freesync, streams,
-						num_streams, map_index,
-						v_total_min,
-						v_total_max);
-
-				return true;
-
-			} else if (core_freesync->map[map_index].user_enable.
-				enable_for_video && state->video == true) {
-				/* Enable 48Hz feature */
-
-				calc_v_total_from_duration(streams[stream_idx],
-					state->time.update_duration_in_ns,
-					&v_total_nominal);
-
-				/* Program only if v_total_nominal is in range*/
-				if (v_total_nominal >=
-					streams[stream_idx]->timing.v_total) {
-
-					/* Update the freesync context for
-					 * the stream
-					 */
-					update_stream_freesync_context(
-						core_freesync,
-						streams[stream_idx]);
-
-					adjust_vmin_vmax(
-						core_freesync, streams,
-						num_streams, map_index,
-						v_total_nominal,
-						v_total_nominal);
-				}
-				return true;
-
-			} else {
-				/* Disable freesync */
-				v_total_nominal = streams[stream_idx]->
-					timing.v_total;
-
-				/* Update the freesync context for
-				 * the stream
-				 */
-				update_stream_freesync_context(
-					core_freesync,
-					streams[stream_idx]);
-
-				adjust_vmin_vmax(core_freesync, streams,
-						num_streams, map_index,
-						v_total_nominal,
-						v_total_nominal);
-
-				/* Reset the cached variables */
-				reset_freesync_state_variables(state);
-
-				return true;
-			}
-		} else {
-			/* Disable freesync */
-			v_total_nominal = streams[stream_idx]->
-				timing.v_total;
-			/*
-			 * we have to reset drr always even sink does
-			 * not support freesync because a former stream has
-			 * be programmed
-			 */
-			adjust_vmin_vmax(core_freesync, streams,
-						num_streams, map_index,
-						v_total_nominal,
-						v_total_nominal);
-			/* Reset the cached variables */
-			reset_freesync_state_variables(state);
-		}
-
-	}
-
-	return false;
+	in_out_vrr->adjust.v_total_min = v_total;
+	in_out_vrr->adjust.v_total_max = v_total;
 }
 
-static void set_static_ramp_variables(struct core_freesync *core_freesync,
-		unsigned int index, bool enable_static_screen)
-{
-	unsigned int frame_duration = 0;
-	unsigned int nominal_refresh_rate = core_freesync->map[index].state.
-			nominal_refresh_rate_in_micro_hz;
-	unsigned int min_refresh_rate= core_freesync->map[index].caps->
-			min_refresh_in_micro_hz;
-	struct gradual_static_ramp *static_ramp_variables =
-			&core_freesync->map[index].state.static_ramp;
-
-	/* If we are ENABLING static screen, refresh rate should go DOWN.
-	 * If we are DISABLING static screen, refresh rate should go UP.
-	 */
-	if (enable_static_screen)
-		static_ramp_variables->ramp_direction_is_up = false;
-	else
-		static_ramp_variables->ramp_direction_is_up = true;
-
-	/* If ramp is not active, set initial frame duration depending on
-	 * whether we are enabling/disabling static screen mode. If the ramp is
-	 * already active, ramp should continue in the opposite direction
-	 * starting with the current frame duration
-	 */
-	if (!static_ramp_variables->ramp_is_active) {
-		if (enable_static_screen == true) {
-			/* Going to lower refresh rate, so start from max
-			 * refresh rate (min frame duration)
-			 */
-			frame_duration = ((unsigned int) (div64_u64(
-				(1000000000ULL * 1000000),
-				nominal_refresh_rate)));
-		} else {
-			/* Going to higher refresh rate, so start from min
-			 * refresh rate (max frame duration)
-			 */
-			frame_duration = ((unsigned int) (div64_u64(
-				(1000000000ULL * 1000000),
-				min_refresh_rate)));
-		}
-		static_ramp_variables->
-			ramp_current_frame_duration_in_ns = frame_duration;
-
-		static_ramp_variables->ramp_is_active = true;
-	}
-}
-
-void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams)
+static void apply_below_the_range(struct core_freesync *core_freesync,
+		const struct dc_stream_state *stream,
+		unsigned int last_render_time_in_us,
+		struct mod_vrr_params *in_out_vrr)
 {
-	unsigned int index, v_total, inserted_frame_v_total = 0;
-	unsigned int min_frame_duration_in_ns, vmax, vmin = 0;
-	struct freesync_state *state;
-	struct core_freesync *core_freesync = NULL;
-	struct dc_static_screen_events triggers = {0};
-
-	if (mod_freesync == NULL)
-		return;
-
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-
-	if (core_freesync->num_entities == 0)
-		return;
-
-	index = map_index_from_stream(core_freesync,
-		streams[0]);
-
-	if (core_freesync->map[index].caps->supported == false)
-		return;
-
-	state = &core_freesync->map[index].state;
-
-	/* Below the Range Logic */
-
-	/* Only execute if in fullscreen mode */
-	if (state->fullscreen == true &&
-		core_freesync->map[index].user_enable.enable_for_gaming &&
-		core_freesync->map[index].caps->btr_supported &&
-		state->btr.btr_active) {
+	unsigned int inserted_frame_duration_in_us = 0;
+	unsigned int mid_point_frames_ceil = 0;
+	unsigned int mid_point_frames_floor = 0;
+	unsigned int frame_time_in_us = 0;
+	unsigned int delta_from_mid_point_in_us_1 = 0xFFFFFFFF;
+	unsigned int delta_from_mid_point_in_us_2 = 0xFFFFFFFF;
+	unsigned int frames_to_insert = 0;
+	unsigned int min_frame_duration_in_ns = 0;
+	unsigned int max_render_time_in_us = in_out_vrr->max_duration_in_us;
 
-		/* TODO: pass in flag for Pre-DCE12 ASIC
-		 * in order for frame variable duration to take affect,
-		 * it needs to be done one VSYNC early, which is at
-		 * frameCounter == 1.
-		 * For DCE12 and newer updates to V_TOTAL_MIN/MAX
-		 * will take affect on current frame
-		 */
-		if (state->btr.frames_to_insert == state->btr.frame_counter) {
+	min_frame_duration_in_ns = ((unsigned int) (div64_u64(
+		(1000000000ULL * 1000000),
+		in_out_vrr->max_refresh_in_uhz)));
 
-			min_frame_duration_in_ns = ((unsigned int) (div64_u64(
-					(1000000000ULL * 1000000),
-					state->nominal_refresh_rate_in_micro_hz)));
+	/* Program BTR */
+	if (last_render_time_in_us + BTR_EXIT_MARGIN < max_render_time_in_us) {
+		/* Exit Below the Range */
+		if (in_out_vrr->btr.btr_active) {
+			in_out_vrr->btr.frame_counter = 0;
+			in_out_vrr->btr.btr_active = false;
 
-			vmin = state->freesync_range.vmin;
+		/* Exit Fixed Refresh mode */
+		} else if (in_out_vrr->fixed.fixed_active) {
 
-			inserted_frame_v_total = vmin;
+			in_out_vrr->fixed.frame_counter++;
 
-			if (min_frame_duration_in_ns / 1000)
-				inserted_frame_v_total =
-					state->btr.inserted_frame_duration_in_us *
-					vmin / (min_frame_duration_in_ns / 1000);
+			if (in_out_vrr->fixed.frame_counter >
+					FIXED_REFRESH_EXIT_FRAME_COUNT) {
+				in_out_vrr->fixed.frame_counter = 0;
+				in_out_vrr->fixed.fixed_active = false;
+			}
+		}
+	} else if (last_render_time_in_us > max_render_time_in_us) {
+		/* Enter Below the Range */
+		if (!in_out_vrr->btr.btr_active &&
+				in_out_vrr->btr.btr_enabled) {
+			in_out_vrr->btr.btr_active = true;
 
-			/* Set length of inserted frames as v_total_max*/
-			vmax = inserted_frame_v_total;
-			vmin = inserted_frame_v_total;
+		/* Enter Fixed Refresh mode */
+		} else if (!in_out_vrr->fixed.fixed_active &&
+				!in_out_vrr->btr.btr_enabled) {
+			in_out_vrr->fixed.frame_counter++;
 
-			/* Program V_TOTAL */
-			adjust_vmin_vmax(core_freesync, streams,
-						num_streams, index,
-						vmin, vmax);
+			if (in_out_vrr->fixed.frame_counter >
+					FIXED_REFRESH_ENTER_FRAME_COUNT) {
+				in_out_vrr->fixed.frame_counter = 0;
+				in_out_vrr->fixed.fixed_active = true;
+			}
 		}
+	}
 
-		if (state->btr.frame_counter > 0)
-			state->btr.frame_counter--;
+	/* BTR set to "not active" so disengage */
+	if (!in_out_vrr->btr.btr_active) {
+		in_out_vrr->btr.btr_active = false;
+		in_out_vrr->btr.inserted_duration_in_us = 0;
+		in_out_vrr->btr.frames_to_insert = 0;
+		in_out_vrr->btr.frame_counter = 0;
 
 		/* Restore FreeSync */
-		if (state->btr.frame_counter == 0)
-			set_freesync_on_streams(core_freesync, streams, num_streams);
-	}
-
-	/* If in fullscreen freesync mode or in video, do not program
-	 * static screen ramp values
-	 */
-	if (state->fullscreen == true || state->video == true) {
+		in_out_vrr->adjust.v_total_min =
+			calc_v_total_from_refresh(stream,
+				in_out_vrr->max_refresh_in_uhz);
+		in_out_vrr->adjust.v_total_max =
+			calc_v_total_from_refresh(stream,
+				in_out_vrr->min_refresh_in_uhz);
+	/* BTR set to "active" so engage */
+	} else {
 
-		state->static_ramp.ramp_is_active = false;
+		/* Calculate number of midPoint frames that could fit within
+		 * the render time interval- take ceil of this value
+		 */
+		mid_point_frames_ceil = (last_render_time_in_us +
+				in_out_vrr->btr.mid_point_in_us - 1) /
+					in_out_vrr->btr.mid_point_in_us;
 
-		return;
-	}
+		if (mid_point_frames_ceil > 0) {
+			frame_time_in_us = last_render_time_in_us /
+				mid_point_frames_ceil;
+			delta_from_mid_point_in_us_1 =
+				(in_out_vrr->btr.mid_point_in_us >
+				frame_time_in_us) ?
+				(in_out_vrr->btr.mid_point_in_us - frame_time_in_us) :
+				(frame_time_in_us - in_out_vrr->btr.mid_point_in_us);
+		}
 
-	/* Gradual Static Screen Ramping Logic */
+		/* Calculate number of midPoint frames that could fit within
+		 * the render time interval- take floor of this value
+		 */
+		mid_point_frames_floor = last_render_time_in_us /
+				in_out_vrr->btr.mid_point_in_us;
 
-	/* Execute if ramp is active and user enabled freesync static screen*/
-	if (state->static_ramp.ramp_is_active &&
-		core_freesync->map[index].user_enable.enable_for_static) {
+		if (mid_point_frames_floor > 0) {
 
-		calc_v_total_for_static_ramp(core_freesync, streams[0],
-				index, &v_total);
+			frame_time_in_us = last_render_time_in_us /
+				mid_point_frames_floor;
+			delta_from_mid_point_in_us_2 =
+				(in_out_vrr->btr.mid_point_in_us >
+				frame_time_in_us) ?
+				(in_out_vrr->btr.mid_point_in_us - frame_time_in_us) :
+				(frame_time_in_us - in_out_vrr->btr.mid_point_in_us);
+		}
 
-		/* Update the freesync context for the stream */
-		update_stream_freesync_context(core_freesync, streams[0]);
+		/* Choose number of frames to insert based on how close it
+		 * can get to the mid point of the variable range.
+		 */
+		if (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2)
+			frames_to_insert = mid_point_frames_ceil;
+		else
+			frames_to_insert = mid_point_frames_floor;
 
-		/* Program static screen ramp values */
-		adjust_vmin_vmax(core_freesync, streams,
-					num_streams, index,
-					v_total,
-					v_total);
+		/* Either we've calculated the number of frames to insert,
+		 * or we need to insert min duration frames
+		 */
+		if (frames_to_insert > 0)
+			inserted_frame_duration_in_us = last_render_time_in_us /
+							frames_to_insert;
 
-		triggers.overlay_update = true;
-		triggers.surface_update = true;
+		if (inserted_frame_duration_in_us <
+			(1000000 / in_out_vrr->max_refresh_in_uhz))
+			inserted_frame_duration_in_us =
+				(1000000 / in_out_vrr->max_refresh_in_uhz);
 
-		dc_stream_set_static_screen_events(core_freesync->dc, streams,
-						   num_streams, &triggers);
+		/* Cache the calculated variables */
+		in_out_vrr->btr.inserted_duration_in_us =
+			inserted_frame_duration_in_us;
+		in_out_vrr->btr.frames_to_insert = frames_to_insert;
+		in_out_vrr->btr.frame_counter = frames_to_insert;
+
+		in_out_vrr->adjust.v_total_min =
+			calc_v_total_from_duration(stream, in_out_vrr,
+				in_out_vrr->btr.inserted_duration_in_us);
+		in_out_vrr->adjust.v_total_max =
+				in_out_vrr->adjust.v_total_min;
 	}
 }
 
-void mod_freesync_update_state(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams,
-		struct mod_freesync_params *freesync_params)
+static void apply_fixed_refresh(struct core_freesync *core_freesync,
+		const struct dc_stream_state *stream,
+		unsigned int last_render_time_in_us,
+		struct mod_vrr_params *in_out_vrr)
 {
-	bool freesync_program_required = false;
-	unsigned int stream_index;
-	struct freesync_state *state;
-	struct core_freesync *core_freesync = NULL;
-	struct dc_static_screen_events triggers = {0};
+	bool update = false;
+	unsigned int max_render_time_in_us = in_out_vrr->max_duration_in_us;
 
-	if (mod_freesync == NULL)
-		return;
-
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-
-	if (core_freesync->num_entities == 0)
-		return;
+	if (last_render_time_in_us + BTR_EXIT_MARGIN < max_render_time_in_us) {
+		/* Exit Fixed Refresh mode */
+		if (in_out_vrr->fixed.fixed_active) {
+			in_out_vrr->fixed.frame_counter++;
 
-	for(stream_index = 0; stream_index < num_streams; stream_index++) {
-
-		unsigned int map_index = map_index_from_stream(core_freesync,
-				streams[stream_index]);
-
-		bool is_embedded = dc_is_embedded_signal(
-				streams[stream_index]->sink->sink_signal);
-
-		struct freesync_registry_options *opts = &core_freesync->opts;
-
-		state = &core_freesync->map[map_index].state;
-
-		switch (freesync_params->state){
-		case FREESYNC_STATE_FULLSCREEN:
-			state->fullscreen = freesync_params->enable;
-			freesync_program_required = true;
-			state->windowed_fullscreen =
-					freesync_params->windowed_fullscreen;
-			break;
-		case FREESYNC_STATE_STATIC_SCREEN:
-			/* Static screen ramp is disabled by default, but can
-			 * be enabled through regkey.
-			 */
-			if ((is_embedded && opts->drr_internal_supported) ||
-				(!is_embedded && opts->drr_external_supported))
-
-				if (state->static_screen !=
-						freesync_params->enable) {
-
-					/* Change the state flag */
-					state->static_screen =
-							freesync_params->enable;
-
-					/* Update static screen ramp */
-					set_static_ramp_variables(core_freesync,
-						map_index,
-						freesync_params->enable);
-				}
-			/* We program the ramp starting next VUpdate */
-			break;
-		case FREESYNC_STATE_VIDEO:
-			/* Change core variables only if there is a change*/
-			if(freesync_params->update_duration_in_ns !=
-				state->time.update_duration_in_ns) {
-
-				state->video = freesync_params->enable;
-				state->time.update_duration_in_ns =
-					freesync_params->update_duration_in_ns;
-
-				freesync_program_required = true;
+			if (in_out_vrr->fixed.frame_counter >
+					FIXED_REFRESH_EXIT_FRAME_COUNT) {
+				in_out_vrr->fixed.frame_counter = 0;
+				in_out_vrr->fixed.fixed_active = false;
+				in_out_vrr->fixed.target_refresh_in_uhz = 0;
+				update = true;
 			}
-			break;
-		case FREESYNC_STATE_NONE:
-			/* handle here to avoid warning */
-			break;
 		}
-	}
-
-	/* Update mask */
-	triggers.overlay_update = true;
-	triggers.surface_update = true;
-
-	dc_stream_set_static_screen_events(core_freesync->dc, streams,
-					   num_streams, &triggers);
-
-	if (freesync_program_required)
-		/* Program freesync according to current state*/
-		set_freesync_on_streams(core_freesync, streams, num_streams);
-}
-
-
-bool mod_freesync_get_state(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
-		struct mod_freesync_params *freesync_params)
-{
-	unsigned int index = 0;
-	struct core_freesync *core_freesync = NULL;
-
-	if (mod_freesync == NULL)
-		return false;
+	} else if (last_render_time_in_us > max_render_time_in_us) {
+		/* Enter Fixed Refresh mode */
+		if (!in_out_vrr->fixed.fixed_active) {
+			in_out_vrr->fixed.frame_counter++;
 
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	index = map_index_from_stream(core_freesync, stream);
-
-	if (core_freesync->map[index].state.fullscreen) {
-		freesync_params->state = FREESYNC_STATE_FULLSCREEN;
-		freesync_params->enable = true;
-	} else if (core_freesync->map[index].state.static_screen) {
-		freesync_params->state = FREESYNC_STATE_STATIC_SCREEN;
-		freesync_params->enable = true;
-	} else if (core_freesync->map[index].state.video) {
-		freesync_params->state = FREESYNC_STATE_VIDEO;
-		freesync_params->enable = true;
-	} else {
-		freesync_params->state = FREESYNC_STATE_NONE;
-		freesync_params->enable = false;
+			if (in_out_vrr->fixed.frame_counter >
+					FIXED_REFRESH_ENTER_FRAME_COUNT) {
+				in_out_vrr->fixed.frame_counter = 0;
+				in_out_vrr->fixed.fixed_active = true;
+				in_out_vrr->fixed.target_refresh_in_uhz =
+						in_out_vrr->max_refresh_in_uhz;
+				update = true;
+			}
+		}
 	}
 
-	freesync_params->update_duration_in_ns =
-		core_freesync->map[index].state.time.update_duration_in_ns;
-
-	freesync_params->windowed_fullscreen =
-			core_freesync->map[index].state.windowed_fullscreen;
-
-	return true;
-}
-
-bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams,
-		struct mod_freesync_user_enable *user_enable)
-{
-	unsigned int stream_index, map_index;
-	int persistent_data = 0;
-	struct persistent_data_flag flag;
-	struct dc  *dc = NULL;
-	struct core_freesync *core_freesync = NULL;
-
-	if (mod_freesync == NULL)
-		return false;
-
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	dc = core_freesync->dc;
-
-	flag.save_per_edid = true;
-	flag.save_per_link = false;
-
-	for(stream_index = 0; stream_index < num_streams;
-			stream_index++){
-
-		map_index = map_index_from_stream(core_freesync,
-				streams[stream_index]);
-
-		core_freesync->map[map_index].user_enable = *user_enable;
-
-		/* Write persistent data in registry*/
-		if (core_freesync->map[map_index].user_enable.
-				enable_for_gaming)
-			persistent_data = persistent_data | 1;
-		if (core_freesync->map[map_index].user_enable.
-				enable_for_static)
-			persistent_data = persistent_data | 2;
-		if (core_freesync->map[map_index].user_enable.
-				enable_for_video)
-			persistent_data = persistent_data | 4;
-
-		dm_write_persistent_data(dc->ctx,
-					streams[stream_index]->sink,
-					FREESYNC_REGISTRY_NAME,
-					"userenable",
-					&persistent_data,
-					sizeof(int),
-					&flag);
+	if (update) {
+		if (in_out_vrr->fixed.fixed_active) {
+			in_out_vrr->adjust.v_total_min =
+				calc_v_total_from_refresh(
+				stream, in_out_vrr->max_refresh_in_uhz);
+			in_out_vrr->adjust.v_total_max =
+					in_out_vrr->adjust.v_total_min;
+		} else {
+			in_out_vrr->adjust.v_total_min =
+				calc_v_total_from_refresh(
+				stream, in_out_vrr->max_refresh_in_uhz);
+			in_out_vrr->adjust.v_total_max =
+				in_out_vrr->adjust.v_total_min;
+		}
 	}
-
-	set_freesync_on_streams(core_freesync, streams, num_streams);
-
-	return true;
 }
 
-bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
-		struct mod_freesync_user_enable *user_enable)
-{
-	unsigned int index = 0;
-	struct core_freesync *core_freesync = NULL;
-
-	if (mod_freesync == NULL)
-		return false;
-
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	index = map_index_from_stream(core_freesync, stream);
-
-	*user_enable = core_freesync->map[index].user_enable;
-
-	return true;
-}
-
-bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
-		bool *is_ramp_active)
-{
-	unsigned int index = 0;
-	struct core_freesync *core_freesync = NULL;
-
-	if (mod_freesync == NULL)
-		return false;
-
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	index = map_index_from_stream(core_freesync, stream);
-
-	*is_ramp_active =
-		core_freesync->map[index].state.static_ramp.ramp_is_active;
-
-	return true;
-}
-
-bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *streams,
-		unsigned int min_refresh,
-		unsigned int max_refresh,
-		struct mod_freesync_caps *caps)
+static bool vrr_settings_require_update(struct core_freesync *core_freesync,
+		struct mod_freesync_config *in_config,
+		unsigned int min_refresh_in_uhz,
+		unsigned int max_refresh_in_uhz,
+		struct mod_vrr_params *in_vrr)
 {
-	unsigned int index = 0;
-	struct core_freesync *core_freesync;
-	struct freesync_state *state;
-
-	if (mod_freesync == NULL)
-		return false;
-
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	index = map_index_from_stream(core_freesync, streams);
-	state = &core_freesync->map[index].state;
-
-	if (max_refresh == 0)
-		max_refresh = state->nominal_refresh_rate_in_micro_hz;
-
-	if (min_refresh == 0) {
-		/* Restore defaults */
-		calc_freesync_range(core_freesync, streams, state,
-			core_freesync->map[index].caps->
-			min_refresh_in_micro_hz,
-			state->nominal_refresh_rate_in_micro_hz);
-	} else {
-		calc_freesync_range(core_freesync, streams,
-				state,
-				min_refresh,
-				max_refresh);
-
-		/* Program vtotal min/max */
-		adjust_vmin_vmax(core_freesync, &streams, 1, index,
-				state->freesync_range.vmin,
-				state->freesync_range.vmax);
-	}
-
-	if (min_refresh != 0 &&
-			dc_is_embedded_signal(streams->sink->sink_signal) &&
-			(max_refresh - min_refresh >= 10000000)) {
-		caps->supported = true;
-		caps->min_refresh_in_micro_hz = min_refresh;
-		caps->max_refresh_in_micro_hz = max_refresh;
+	if (in_vrr->state != in_config->state) {
+		return true;
+	} else if (in_vrr->state == VRR_STATE_ACTIVE_FIXED &&
+			in_vrr->fixed.target_refresh_in_uhz !=
+					in_config->min_refresh_in_uhz) {
+		return true;
+	} else if (in_vrr->min_refresh_in_uhz != min_refresh_in_uhz) {
+		return true;
+	} else if (in_vrr->max_refresh_in_uhz != max_refresh_in_uhz) {
+		return true;
 	}
 
-	/* Update the stream */
-	update_stream(core_freesync, streams);
-
-	return true;
-}
-
-bool mod_freesync_get_min_max(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
-		unsigned int *min_refresh,
-		unsigned int *max_refresh)
-{
-	unsigned int index = 0;
-	struct core_freesync *core_freesync = NULL;
-
-	if (mod_freesync == NULL)
-		return false;
-
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	index = map_index_from_stream(core_freesync, stream);
-
-	*min_refresh =
-		core_freesync->map[index].state.freesync_range.min_refresh;
-	*max_refresh =
-		core_freesync->map[index].state.freesync_range.max_refresh;
-
-	return true;
+	return false;
 }
 
 bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
+		const struct dc_stream_state *stream,
 		unsigned int *vmin,
 		unsigned int *vmax)
 {
-	unsigned int index = 0;
-	struct core_freesync *core_freesync = NULL;
-
-	if (mod_freesync == NULL)
-		return false;
-
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	index = map_index_from_stream(core_freesync, stream);
-
-	*vmin =
-		core_freesync->map[index].state.freesync_range.vmin;
-	*vmax =
-		core_freesync->map[index].state.freesync_range.vmax;
+	*vmin = stream->adjust.v_total_min;
+	*vmax = stream->adjust.v_total_max;
 
 	return true;
 }
@@ -1189,7 +471,6 @@ bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
 		unsigned int *nom_v_pos,
 		unsigned int *v_pos)
 {
-	unsigned int index = 0;
 	struct core_freesync *core_freesync = NULL;
 	struct crtc_position position;
 
@@ -1197,7 +478,6 @@ bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
 		return false;
 
 	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	index = map_index_from_stream(core_freesync, stream);
 
 	if (dc_stream_get_crtc_position(core_freesync->dc, &stream, 1,
 					&position.vertical_count,
@@ -1212,310 +492,368 @@ bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
 	return false;
 }
 
-void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams)
+void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
+		const struct dc_stream_state *stream,
+		const struct mod_vrr_params *vrr,
+		struct dc_info_packet *infopacket)
 {
-	unsigned int stream_index, map_index;
-	struct freesync_state *state;
-	struct core_freesync *core_freesync = NULL;
-	struct dc_static_screen_events triggers = {0};
-	unsigned long long temp = 0;
+	/* SPD info packet for FreeSync */
+	unsigned char checksum = 0;
+	unsigned int idx, payload_size = 0;
 
-	if (mod_freesync == NULL)
+	/* Check if Freesync is supported. Return if false. If true,
+	 * set the corresponding bit in the info packet
+	 */
+	if (!vrr->supported)
 		return;
 
-	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+	if (dc_is_hdmi_signal(stream->signal)) {
 
-	for (stream_index = 0; stream_index < num_streams; stream_index++) {
-		map_index = map_index_from_stream(core_freesync,
-				streams[stream_index]);
-
-		state = &core_freesync->map[map_index].state;
-
-		/* Update the field rate for new timing */
-		temp = streams[stream_index]->timing.pix_clk_khz;
-		temp *= 1000ULL * 1000ULL * 1000ULL;
-		temp = div_u64(temp,
-				streams[stream_index]->timing.h_total);
-		temp = div_u64(temp,
-				streams[stream_index]->timing.v_total);
-		state->nominal_refresh_rate_in_micro_hz =
-				(unsigned int) temp;
-
-		if (core_freesync->map[map_index].caps->supported) {
-
-			/* Update the stream */
-			update_stream(core_freesync, streams[stream_index]);
-
-			/* Calculate vmin/vmax and refresh rate for
-			 * current mode
-			 */
-			calc_freesync_range(core_freesync, *streams, state,
-				core_freesync->map[map_index].caps->
-				min_refresh_in_micro_hz,
-				state->nominal_refresh_rate_in_micro_hz);
-
-			/* Update mask */
-			triggers.overlay_update = true;
-			triggers.surface_update = true;
-
-			dc_stream_set_static_screen_events(core_freesync->dc,
-							   streams, num_streams,
-							   &triggers);
-		}
-	}
+		/* HEADER */
 
-	/* Program freesync according to current state*/
-	set_freesync_on_streams(core_freesync, streams, num_streams);
-}
+		/* HB0  = Packet Type = 0x83 (Source Product
+		 *	  Descriptor InfoFrame)
+		 */
+		infopacket->hb0 = DC_HDMI_INFOFRAME_TYPE_SPD;
 
-/* Add the timestamps to the cache and determine whether BTR programming
- * is required, depending on the times calculated
- */
-static void update_timestamps(struct core_freesync *core_freesync,
-		const struct dc_stream_state *stream, unsigned int map_index,
-		unsigned int last_render_time_in_us)
-{
-	struct freesync_state *state = &core_freesync->map[map_index].state;
+		/* HB1  = Version = 0x01 */
+		infopacket->hb1 = 0x01;
 
-	state->time.render_times[state->time.render_times_index] =
-			last_render_time_in_us;
-	state->time.render_times_index++;
+		/* HB2  = [Bits 7:5 = 0] [Bits 4:0 = Length = 0x08] */
+		infopacket->hb2 = 0x08;
 
-	if (state->time.render_times_index >= RENDER_TIMES_MAX_COUNT)
-		state->time.render_times_index = 0;
+		payload_size = 0x08;
 
-	if (last_render_time_in_us + BTR_EXIT_MARGIN <
-		state->time.max_render_time_in_us) {
+	} else if (dc_is_dp_signal(stream->signal)) {
 
-		/* Exit Below the Range */
-		if (state->btr.btr_active) {
+		/* HEADER */
 
-			state->btr.program_btr = true;
-			state->btr.btr_active = false;
-			state->btr.frame_counter = 0;
+		/* HB0  = Secondary-data Packet ID = 0 - Only non-zero
+		 *	  when used to associate audio related info packets
+		 */
+		infopacket->hb0 = 0x00;
 
-		/* Exit Fixed Refresh mode */
-		} else if (state->fixed_refresh.fixed_active) {
+		/* HB1  = Packet Type = 0x83 (Source Product
+		 *	  Descriptor InfoFrame)
+		 */
+		infopacket->hb1 = DC_HDMI_INFOFRAME_TYPE_SPD;
 
-			state->fixed_refresh.frame_counter++;
+		/* HB2  = [Bits 7:0 = Least significant eight bits -
+		 *	  For INFOFRAME, the value must be 1Bh]
+		 */
+		infopacket->hb2 = 0x1B;
 
-			if (state->fixed_refresh.frame_counter >
-					FIXED_REFRESH_EXIT_FRAME_COUNT) {
-				state->fixed_refresh.frame_counter = 0;
-				state->fixed_refresh.program_fixed = true;
-				state->fixed_refresh.fixed_active = false;
-			}
-		}
+		/* HB3  = [Bits 7:2 = INFOFRAME SDP Version Number = 0x1]
+		 *	  [Bits 1:0 = Most significant two bits = 0x00]
+		 */
+		infopacket->hb3 = 0x04;
 
-	} else if (last_render_time_in_us > state->time.max_render_time_in_us) {
+		payload_size = 0x1B;
+	}
 
-		/* Enter Below the Range */
-		if (!state->btr.btr_active &&
-			core_freesync->map[map_index].caps->btr_supported) {
+	/* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
+	infopacket->sb[1] = 0x1A;
 
-			state->btr.program_btr = true;
-			state->btr.btr_active = true;
+	/* PB2 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 1) */
+	infopacket->sb[2] = 0x00;
 
-		/* Enter Fixed Refresh mode */
-		} else if (!state->fixed_refresh.fixed_active &&
-			!core_freesync->map[map_index].caps->btr_supported) {
+	/* PB3 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 2) */
+	infopacket->sb[3] = 0x00;
 
-			state->fixed_refresh.frame_counter++;
+	/* PB4 = Reserved */
 
-			if (state->fixed_refresh.frame_counter >
-					FIXED_REFRESH_ENTER_FRAME_COUNT) {
-				state->fixed_refresh.frame_counter = 0;
-				state->fixed_refresh.program_fixed = true;
-				state->fixed_refresh.fixed_active = true;
-			}
-		}
-	}
+	/* PB5 = Reserved */
 
-	/* When Below the Range is active, must react on every frame */
-	if (state->btr.btr_active)
-		state->btr.program_btr = true;
-}
+	/* PB6 = [Bits 7:3 = Reserved] */
 
-static void apply_below_the_range(struct core_freesync *core_freesync,
-		struct dc_stream_state *stream, unsigned int map_index,
-		unsigned int last_render_time_in_us)
-{
-	unsigned int inserted_frame_duration_in_us = 0;
-	unsigned int mid_point_frames_ceil = 0;
-	unsigned int mid_point_frames_floor = 0;
-	unsigned int frame_time_in_us = 0;
-	unsigned int delta_from_mid_point_in_us_1 = 0xFFFFFFFF;
-	unsigned int delta_from_mid_point_in_us_2 = 0xFFFFFFFF;
-	unsigned int frames_to_insert = 0;
-	unsigned int min_frame_duration_in_ns = 0;
-	struct freesync_state *state = &core_freesync->map[map_index].state;
+	/* PB6 = [Bit 0 = FreeSync Supported] */
+	if (vrr->state != VRR_STATE_UNSUPPORTED)
+		infopacket->sb[6] |= 0x01;
 
-	if (!state->btr.program_btr)
-		return;
+	/* PB6 = [Bit 1 = FreeSync Enabled] */
+	if (vrr->state != VRR_STATE_DISABLED &&
+			vrr->state != VRR_STATE_UNSUPPORTED)
+		infopacket->sb[6] |= 0x02;
 
-	state->btr.program_btr = false;
+	/* PB6 = [Bit 2 = FreeSync Active] */
+	if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+			vrr->state == VRR_STATE_ACTIVE_FIXED)
+		infopacket->sb[6] |= 0x04;
 
-	min_frame_duration_in_ns = ((unsigned int) (div64_u64(
-		(1000000000ULL * 1000000),
-		state->nominal_refresh_rate_in_micro_hz)));
+	/* PB7 = FreeSync Minimum refresh rate (Hz) */
+	infopacket->sb[7] = (unsigned char)(vrr->min_refresh_in_uhz / 1000000);
 
-	/* Program BTR */
+	/* PB8 = FreeSync Maximum refresh rate (Hz)
+	 * Note: We should never go above the field rate of the mode timing set.
+	 */
+	infopacket->sb[8] = (unsigned char)(vrr->max_refresh_in_uhz / 1000000);
 
-	/* BTR set to "not active" so disengage */
-	if (!state->btr.btr_active)
+	/* PB9 - PB27  = Reserved */
 
-		/* Restore FreeSync */
-		set_freesync_on_streams(core_freesync, &stream, 1);
+	/* Calculate checksum */
+	checksum += infopacket->hb0;
+	checksum += infopacket->hb1;
+	checksum += infopacket->hb2;
+	checksum += infopacket->hb3;
 
-	/* BTR set to "active" so engage */
-	else {
+	for (idx = 1; idx <= payload_size; idx++)
+		checksum += infopacket->sb[idx];
 
-		/* Calculate number of midPoint frames that could fit within
-		 * the render time interval- take ceil of this value
-		 */
-		mid_point_frames_ceil = (last_render_time_in_us +
-			state->btr.mid_point_in_us- 1) /
-			state->btr.mid_point_in_us;
+	/* PB0 = Checksum (one byte complement) */
+	infopacket->sb[0] = (unsigned char)(0x100 - checksum);
 
-		if (mid_point_frames_ceil > 0) {
+	infopacket->valid = true;
+}
 
-			frame_time_in_us = last_render_time_in_us /
-				mid_point_frames_ceil;
-			delta_from_mid_point_in_us_1 =
-				(state->btr.mid_point_in_us >
-				frame_time_in_us) ?
-				(state->btr.mid_point_in_us - frame_time_in_us):
-				(frame_time_in_us - state->btr.mid_point_in_us);
-		}
+void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
+		const struct dc_stream_state *stream,
+		struct mod_freesync_config *in_config,
+		struct mod_vrr_params *in_out_vrr)
+{
+	struct core_freesync *core_freesync = NULL;
+	unsigned long long nominal_field_rate_in_uhz = 0;
+	bool nominal_field_rate_in_range = true;
+	unsigned int refresh_range = 0;
+	unsigned int min_refresh_in_uhz = 0;
+	unsigned int max_refresh_in_uhz = 0;
 
-		/* Calculate number of midPoint frames that could fit within
-		 * the render time interval- take floor of this value
-		 */
-		mid_point_frames_floor = last_render_time_in_us /
-			state->btr.mid_point_in_us;
+	if (mod_freesync == NULL)
+		return;
 
-		if (mid_point_frames_floor > 0) {
+	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
 
-			frame_time_in_us = last_render_time_in_us /
-				mid_point_frames_floor;
-			delta_from_mid_point_in_us_2 =
-				(state->btr.mid_point_in_us >
-				frame_time_in_us) ?
-				(state->btr.mid_point_in_us - frame_time_in_us):
-				(frame_time_in_us - state->btr.mid_point_in_us);
-		}
+	/* Calculate nominal field rate for stream */
+	nominal_field_rate_in_uhz = stream->timing.pix_clk_khz;
+	nominal_field_rate_in_uhz *= 1000ULL * 1000ULL * 1000ULL;
+	nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz,
+						stream->timing.h_total);
+	nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz,
+						stream->timing.v_total);
+
+	min_refresh_in_uhz = in_config->min_refresh_in_uhz;
+	max_refresh_in_uhz = in_config->max_refresh_in_uhz;
+
+	// Don't allow min > max
+	if (min_refresh_in_uhz > max_refresh_in_uhz)
+		min_refresh_in_uhz = max_refresh_in_uhz;
+
+	// Full range may be larger than current video timing, so cap at nominal
+	if (max_refresh_in_uhz > nominal_field_rate_in_uhz)
+		max_refresh_in_uhz = nominal_field_rate_in_uhz;
+
+	/* Allow for some rounding error of actual video timing by taking ceil.
+	 * For example, 144 Hz mode timing may actually be 143.xxx Hz when
+	 * calculated from pixel rate and vertical/horizontal totals, but
+	 * this should be allowed instead of blocking FreeSync.
+	 */
+	if ((min_refresh_in_uhz / 1000000) >
+			((nominal_field_rate_in_uhz + 1000000 - 1) / 1000000))
+		nominal_field_rate_in_range = false;
 
-		/* Choose number of frames to insert based on how close it
-		 * can get to the mid point of the variable range.
-		 */
-		if (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2)
-			frames_to_insert = mid_point_frames_ceil;
-		else
-			frames_to_insert = mid_point_frames_floor;
+	// Full range may be larger than current video timing, so cap at nominal
+	if (min_refresh_in_uhz > nominal_field_rate_in_uhz)
+		min_refresh_in_uhz = nominal_field_rate_in_uhz;
 
-		/* Either we've calculated the number of frames to insert,
-		 * or we need to insert min duration frames
-		 */
-		if (frames_to_insert > 0)
-			inserted_frame_duration_in_us = last_render_time_in_us /
-							frames_to_insert;
+	if (!vrr_settings_require_update(core_freesync,
+			in_config, min_refresh_in_uhz, max_refresh_in_uhz,
+			in_out_vrr))
+		return;
 
-		if (inserted_frame_duration_in_us <
-			state->time.min_render_time_in_us)
+	in_out_vrr->state = in_config->state;
 
-			inserted_frame_duration_in_us =
-				state->time.min_render_time_in_us;
+	if ((in_config->state == VRR_STATE_UNSUPPORTED) ||
+				(!nominal_field_rate_in_range)) {
+		in_out_vrr->state = VRR_STATE_UNSUPPORTED;
+		in_out_vrr->supported = false;
+	} else {
+		in_out_vrr->min_refresh_in_uhz = min_refresh_in_uhz;
+		in_out_vrr->max_duration_in_us =
+				calc_duration_in_us_from_refresh_in_uhz(
+						min_refresh_in_uhz);
 
-		/* Cache the calculated variables */
-		state->btr.inserted_frame_duration_in_us =
-			inserted_frame_duration_in_us;
-		state->btr.frames_to_insert = frames_to_insert;
-		state->btr.frame_counter = frames_to_insert;
+		in_out_vrr->max_refresh_in_uhz = max_refresh_in_uhz;
+		in_out_vrr->min_duration_in_us =
+				calc_duration_in_us_from_refresh_in_uhz(
+						max_refresh_in_uhz);
 
+		refresh_range = in_out_vrr->max_refresh_in_uhz -
+				in_out_vrr->min_refresh_in_uhz;
+
+		in_out_vrr->supported = true;
+	}
+
+	in_out_vrr->fixed.ramping_active = in_config->ramping;
+
+	in_out_vrr->btr.btr_enabled = in_config->btr;
+	if (in_out_vrr->max_refresh_in_uhz <
+			2 * in_out_vrr->min_refresh_in_uhz)
+		in_out_vrr->btr.btr_enabled = false;
+	in_out_vrr->btr.btr_active = false;
+	in_out_vrr->btr.inserted_duration_in_us = 0;
+	in_out_vrr->btr.frames_to_insert = 0;
+	in_out_vrr->btr.frame_counter = 0;
+	in_out_vrr->btr.mid_point_in_us =
+			in_out_vrr->min_duration_in_us +
+				(in_out_vrr->max_duration_in_us -
+				in_out_vrr->min_duration_in_us) / 2;
+
+	if (in_out_vrr->state == VRR_STATE_UNSUPPORTED) {
+		in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+		in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+	} else if (in_out_vrr->state == VRR_STATE_DISABLED) {
+		in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+		in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+	} else if (in_out_vrr->state == VRR_STATE_INACTIVE) {
+		in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+		in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+	} else if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE &&
+			refresh_range >= MIN_REFRESH_RANGE_IN_US) {
+		in_out_vrr->adjust.v_total_min =
+			calc_v_total_from_refresh(stream,
+				in_out_vrr->max_refresh_in_uhz);
+		in_out_vrr->adjust.v_total_max =
+			calc_v_total_from_refresh(stream,
+				in_out_vrr->min_refresh_in_uhz);
+	} else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) {
+		in_out_vrr->fixed.target_refresh_in_uhz =
+				in_out_vrr->min_refresh_in_uhz;
+		if (in_out_vrr->fixed.ramping_active) {
+			in_out_vrr->fixed.fixed_active = true;
+		} else {
+			in_out_vrr->fixed.fixed_active = true;
+			in_out_vrr->adjust.v_total_min =
+				calc_v_total_from_refresh(stream,
+					in_out_vrr->fixed.target_refresh_in_uhz);
+			in_out_vrr->adjust.v_total_max =
+				in_out_vrr->adjust.v_total_min;
+		}
+	} else {
+		in_out_vrr->state = VRR_STATE_INACTIVE;
+		in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+		in_out_vrr->adjust.v_total_max = stream->timing.v_total;
 	}
 }
 
-static void apply_fixed_refresh(struct core_freesync *core_freesync,
-		struct dc_stream_state *stream, unsigned int map_index)
+void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
+		const struct dc_plane_state *plane,
+		const struct dc_stream_state *stream,
+		unsigned int curr_time_stamp_in_us,
+		struct mod_vrr_params *in_out_vrr)
 {
-	unsigned int vmin = 0, vmax = 0;
-	struct freesync_state *state = &core_freesync->map[map_index].state;
+	struct core_freesync *core_freesync = NULL;
+	unsigned int last_render_time_in_us = 0;
+	unsigned int average_render_time_in_us = 0;
 
-	if (!state->fixed_refresh.program_fixed)
+	if (mod_freesync == NULL)
 		return;
 
-	state->fixed_refresh.program_fixed = false;
+	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
 
-	/* Program Fixed Refresh */
+	if (in_out_vrr->supported &&
+			in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE) {
+		unsigned int i = 0;
+		unsigned int oldest_index = plane->time.index + 1;
 
-	/* Fixed Refresh set to "not active" so disengage */
-	if (!state->fixed_refresh.fixed_active) {
-		set_freesync_on_streams(core_freesync, &stream, 1);
+		if (oldest_index >= DC_PLANE_UPDATE_TIMES_MAX)
+			oldest_index = 0;
 
-	/* Fixed Refresh set to "active" so engage (fix to max) */
-	} else {
+		last_render_time_in_us = curr_time_stamp_in_us -
+				plane->time.prev_update_time_in_us;
+
+		// Sum off all entries except oldest one
+		for (i = 0; i < DC_PLANE_UPDATE_TIMES_MAX; i++) {
+			average_render_time_in_us +=
+					plane->time.time_elapsed_in_us[i];
+		}
+		average_render_time_in_us -=
+				plane->time.time_elapsed_in_us[oldest_index];
+
+		// Add render time for current flip
+		average_render_time_in_us += last_render_time_in_us;
+		average_render_time_in_us /= DC_PLANE_UPDATE_TIMES_MAX;
+
+		if (in_out_vrr->btr.btr_enabled) {
+			apply_below_the_range(core_freesync,
+					stream,
+					last_render_time_in_us,
+					in_out_vrr);
+		} else {
+			apply_fixed_refresh(core_freesync,
+				stream,
+				last_render_time_in_us,
+				in_out_vrr);
+		}
 
-		vmin = state->freesync_range.vmin;
-		vmax = vmin;
-		adjust_vmin_vmax(core_freesync, &stream, map_index,
-					1, vmin, vmax);
 	}
 }
 
-void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams,
-		unsigned int curr_time_stamp_in_us)
+void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
+		const struct dc_stream_state *stream,
+		struct mod_vrr_params *in_out_vrr)
 {
-	unsigned int stream_index, map_index, last_render_time_in_us = 0;
 	struct core_freesync *core_freesync = NULL;
 
-	if (mod_freesync == NULL)
+	if ((mod_freesync == NULL) || (stream == NULL) || (in_out_vrr == NULL))
 		return;
 
 	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
 
-	for (stream_index = 0; stream_index < num_streams; stream_index++) {
-
-		map_index = map_index_from_stream(core_freesync,
-						streams[stream_index]);
-
-		if (core_freesync->map[map_index].caps->supported) {
-
-			last_render_time_in_us = curr_time_stamp_in_us -
-					core_freesync->map[map_index].state.time.
-					prev_time_stamp_in_us;
-
-			/* Add the timestamps to the cache and determine
-			 * whether BTR program is required
-			 */
-			update_timestamps(core_freesync, streams[stream_index],
-					map_index, last_render_time_in_us);
+	if (in_out_vrr->supported == false)
+		return;
 
-			if (core_freesync->map[map_index].state.fullscreen &&
-				core_freesync->map[map_index].user_enable.
-				enable_for_gaming) {
+	/* Below the Range Logic */
 
-				if (core_freesync->map[map_index].caps->btr_supported) {
+	/* Only execute if in fullscreen mode */
+	if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE &&
+					in_out_vrr->btr.btr_active) {
+		/* TODO: pass in flag for Pre-DCE12 ASIC
+		 * in order for frame variable duration to take affect,
+		 * it needs to be done one VSYNC early, which is at
+		 * frameCounter == 1.
+		 * For DCE12 and newer updates to V_TOTAL_MIN/MAX
+		 * will take affect on current frame
+		 */
+		if (in_out_vrr->btr.frames_to_insert ==
+				in_out_vrr->btr.frame_counter) {
+			in_out_vrr->adjust.v_total_min =
+				calc_v_total_from_duration(stream,
+				in_out_vrr,
+				in_out_vrr->btr.inserted_duration_in_us);
+			in_out_vrr->adjust.v_total_max =
+				in_out_vrr->adjust.v_total_min;
+		}
 
-					apply_below_the_range(core_freesync,
-						streams[stream_index], map_index,
-						last_render_time_in_us);
-				} else {
-					apply_fixed_refresh(core_freesync,
-						streams[stream_index], map_index);
-				}
-			}
+		if (in_out_vrr->btr.frame_counter > 0)
+			in_out_vrr->btr.frame_counter--;
 
-			core_freesync->map[map_index].state.time.
-				prev_time_stamp_in_us = curr_time_stamp_in_us;
+		/* Restore FreeSync */
+		if (in_out_vrr->btr.frame_counter == 0) {
+			in_out_vrr->adjust.v_total_min =
+				calc_v_total_from_refresh(stream,
+				in_out_vrr->max_refresh_in_uhz);
+			in_out_vrr->adjust.v_total_max =
+				calc_v_total_from_refresh(stream,
+				in_out_vrr->min_refresh_in_uhz);
 		}
+	}
+
+	/* If in fullscreen freesync mode or in video, do not program
+	 * static screen ramp values
+	 */
+	if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE)
+		in_out_vrr->fixed.ramping_active = false;
 
+	/* Gradual Static Screen Ramping Logic */
+	/* Execute if ramp is active and user enabled freesync static screen*/
+	if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED &&
+				in_out_vrr->fixed.ramping_active) {
+		update_v_total_for_static_ramp(
+				core_freesync, stream, in_out_vrr);
 	}
 }
 
 void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams,
+		const struct mod_vrr_params *vrr,
 		unsigned int *v_total_min, unsigned int *v_total_max,
 		unsigned int *event_triggers,
 		unsigned int *window_min, unsigned int *window_max,
@@ -1523,7 +861,6 @@ void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
 		unsigned int *inserted_frames,
 		unsigned int *inserted_duration_in_us)
 {
-	unsigned int stream_index, map_index;
 	struct core_freesync *core_freesync = NULL;
 
 	if (mod_freesync == NULL)
@@ -1531,25 +868,13 @@ void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
 
 	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
 
-	for (stream_index = 0; stream_index < num_streams; stream_index++) {
-
-		map_index = map_index_from_stream(core_freesync,
-						streams[stream_index]);
-
-		if (core_freesync->map[map_index].caps->supported) {
-			struct freesync_state state =
-					core_freesync->map[map_index].state;
-			*v_total_min = state.vmin;
-			*v_total_max = state.vmax;
-			*event_triggers = 0;
-			*window_min = state.time.min_window;
-			*window_max = state.time.max_window;
-			*lfc_mid_point_in_us = state.btr.mid_point_in_us;
-			*inserted_frames = state.btr.frames_to_insert;
-			*inserted_duration_in_us =
-					state.btr.inserted_frame_duration_in_us;
-		}
-
+	if (vrr->supported) {
+		*v_total_min = vrr->adjust.v_total_min;
+		*v_total_max = vrr->adjust.v_total_max;
+		*event_triggers = 0;
+		*lfc_mid_point_in_us = vrr->btr.mid_point_in_us;
+		*inserted_frames = vrr->btr.frames_to_insert;
+		*inserted_duration_in_us = vrr->btr.inserted_duration_in_us;
 	}
 }
 
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
index f083e1619dbe..bd75ca5f1cd3 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
@@ -56,96 +56,72 @@
 
 #include "dm_services.h"
 
-struct mod_freesync *mod_freesync_create(struct dc *dc);
-void mod_freesync_destroy(struct mod_freesync *mod_freesync);
-
+// Access structures
 struct mod_freesync {
 	int dummy;
 };
 
-enum mod_freesync_state {
-	FREESYNC_STATE_NONE,
-	FREESYNC_STATE_FULLSCREEN,
-	FREESYNC_STATE_STATIC_SCREEN,
-	FREESYNC_STATE_VIDEO
-};
-
-enum mod_freesync_user_enable_mask {
-	FREESYNC_USER_ENABLE_STATIC = 0x1,
-	FREESYNC_USER_ENABLE_VIDEO = 0x2,
-	FREESYNC_USER_ENABLE_GAMING = 0x4
-};
-
-struct mod_freesync_user_enable {
-	bool enable_for_static;
-	bool enable_for_video;
-	bool enable_for_gaming;
-};
-
+// TODO: References to this should be removed
 struct mod_freesync_caps {
 	bool supported;
 	unsigned int min_refresh_in_micro_hz;
 	unsigned int max_refresh_in_micro_hz;
-
-	bool btr_supported;
 };
 
-struct mod_freesync_params {
-	enum mod_freesync_state state;
-	bool enable;
-	unsigned int update_duration_in_ns;
-	bool windowed_fullscreen;
+enum mod_vrr_state {
+	VRR_STATE_UNSUPPORTED = 0,
+	VRR_STATE_DISABLED,
+	VRR_STATE_INACTIVE,
+	VRR_STATE_ACTIVE_VARIABLE,
+	VRR_STATE_ACTIVE_FIXED
 };
 
-/*
- * Add stream to be tracked by module
- */
-bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream, struct mod_freesync_caps *caps);
+struct mod_freesync_config {
+	enum mod_vrr_state state;
+	bool ramping;
+	bool btr;
+	unsigned int min_refresh_in_uhz;
+	unsigned int max_refresh_in_uhz;
+};
 
-/*
- * Remove stream to be tracked by module
- */
-bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream);
+struct mod_vrr_params_btr {
+	bool btr_enabled;
+	bool btr_active;
+	uint32_t mid_point_in_us;
+	uint32_t inserted_duration_in_us;
+	uint32_t frames_to_insert;
+	uint32_t frame_counter;
+};
 
-/*
- * Update the freesync state flags for each display and program
- * freesync accordingly
- */
-void mod_freesync_update_state(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams,
-		struct mod_freesync_params *freesync_params);
+struct mod_vrr_params_fixed_refresh {
+	bool fixed_active;
+	bool ramping_active;
+	bool ramping_done;
+	uint32_t target_refresh_in_uhz;
+	uint32_t frame_counter;
+};
 
-bool mod_freesync_get_state(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
-		struct mod_freesync_params *freesync_params);
+struct mod_vrr_params {
+	bool supported;
+	enum mod_vrr_state state;
 
-bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams,
-		struct mod_freesync_user_enable *user_enable);
+	uint32_t min_refresh_in_uhz;
+	uint32_t max_duration_in_us;
+	uint32_t max_refresh_in_uhz;
+	uint32_t min_duration_in_us;
 
-bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
-		struct mod_freesync_user_enable *user_enable);
+	struct dc_crtc_timing_adjust adjust;
 
-bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
-		bool *is_ramp_active);
+	struct mod_vrr_params_fixed_refresh fixed;
 
-bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *streams,
-		unsigned int min_refresh,
-		unsigned int max_refresh,
-		struct mod_freesync_caps *caps);
+	struct mod_vrr_params_btr btr;
+};
 
-bool mod_freesync_get_min_max(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
-		unsigned int *min_refresh,
-		unsigned int *max_refresh);
+struct mod_freesync *mod_freesync_create(struct dc *dc);
+void mod_freesync_destroy(struct mod_freesync *mod_freesync);
 
 bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
-		struct dc_stream_state *stream,
+		const struct dc_stream_state *stream,
 		unsigned int *vmin,
 		unsigned int *vmax);
 
@@ -154,18 +130,8 @@ bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
 		unsigned int *nom_v_pos,
 		unsigned int *v_pos);
 
-void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams);
-
-void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams);
-
-void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams,
-		unsigned int curr_time_stamp);
-
 void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
-		struct dc_stream_state **streams, int num_streams,
+		const struct mod_vrr_params *vrr,
 		unsigned int *v_total_min, unsigned int *v_total_max,
 		unsigned int *event_triggers,
 		unsigned int *window_min, unsigned int *window_max,
@@ -173,4 +139,24 @@ void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
 		unsigned int *inserted_frames,
 		unsigned int *inserted_duration_in_us);
 
+void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
+		const struct dc_stream_state *stream,
+		const struct mod_vrr_params *vrr,
+		struct dc_info_packet *infopacket);
+
+void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
+		const struct dc_stream_state *stream,
+		struct mod_freesync_config *in_config,
+		struct mod_vrr_params *in_out_vrr);
+
+void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
+		const struct dc_plane_state *plane,
+		const struct dc_stream_state *stream,
+		unsigned int curr_time_stamp_in_us,
+		struct mod_vrr_params *in_out_vrr);
+
+void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
+		const struct dc_stream_state *stream,
+		struct mod_vrr_params *in_out_vrr);
+
 #endif
-- 
2.17.1