diff --git a/msm/dsi/dsi_display.c b/msm/dsi/dsi_display.c
index a9e7edf2..099bbf0f 100644
--- a/msm/dsi/dsi_display.c
+++ b/msm/dsi/dsi_display.c
@@ -7100,6 +7100,17 @@ int dsi_display_get_modes_helper(struct dsi_display *display,
 			return rc;
 		}
 
+		/*
+		 * Update the host_config.dst_format for compressed RGB101010 pixel format.
+		 */
+		if (display->panel->host_config.dst_format == DSI_PIXEL_FORMAT_RGB101010 &&
+			display_mode.timing.dsc_enabled) {
+			display->panel->host_config.dst_format = DSI_PIXEL_FORMAT_RGB888;
+			DSI_DEBUG("updated dst_format from %d to %d\n",
+				DSI_PIXEL_FORMAT_RGB101010,
+				display->panel->host_config.dst_format);
+		}
+
 		if (display->cmdline_timing == display_mode.mode_idx) {
 			topology_override = display->cmdline_topology;
 			is_preferred = true;
diff --git a/msm/dsi/dsi_panel.c b/msm/dsi/dsi_panel.c
index 7fa8919c..a156e5f3 100644
--- a/msm/dsi/dsi_panel.c
+++ b/msm/dsi/dsi_panel.c
@@ -964,6 +964,15 @@ static int dsi_panel_parse_pixel_format(struct dsi_host_common_cfg *host,
 		fmt = DSI_PIXEL_FORMAT_RGB666;
 		break;
 	case 30:
+		/*
+		 * The destination pixel format (host->dst_format) depends
+		 * upon the compression, and should be RGB888 if the DSC is
+		 * enable.
+		 * The DSC status information is inside the timing modes, that
+		 * is parsed during first dsi_display_get_modes() call.
+		 * The dst_format will be updated there depending upon the
+		 * DSC status.
+		 */
 		fmt = DSI_PIXEL_FORMAT_RGB101010;
 		break;
 	case 24:
diff --git a/msm/msm_drv.c b/msm/msm_drv.c
index 54ccb167..23e1c7ff 100644
--- a/msm/msm_drv.c
+++ b/msm/msm_drv.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
  * Copyright (C) 2013 Red Hat
  * Author: Rob Clark <robdclark@gmail.com>
@@ -977,11 +977,6 @@ static int msm_drm_component_init(struct device *dev)
 
 	drm_mode_config_reset(ddev);
 
-	ret = drm_dev_register(ddev, 0);
-	if (ret)
-		goto fail;
-	priv->registered = true;
-
 	if (kms && kms->funcs && kms->funcs->cont_splash_config) {
 		ret = kms->funcs->cont_splash_config(kms, NULL);
 		if (ret) {
@@ -990,6 +985,11 @@ static int msm_drm_component_init(struct device *dev)
 		}
 	}
 
+	ret = drm_dev_register(ddev, 0);
+	if (ret)
+		goto fail;
+	priv->registered = true;
+
 #if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION)
 	if (fbdev)
 		priv->fbdev = msm_fbdev_init(ddev);
diff --git a/msm/sde/sde_encoder.c b/msm/sde/sde_encoder.c
index 8e9c9f29..bf45fb85 100644
--- a/msm/sde/sde_encoder.c
+++ b/msm/sde/sde_encoder.c
@@ -5851,7 +5851,6 @@ enum sde_intf_mode sde_encoder_get_intf_mode(struct drm_encoder *encoder)
 u32 sde_encoder_get_frame_count(struct drm_encoder *encoder)
 {
 	struct sde_encoder_virt *sde_enc = NULL;
-	struct sde_encoder_phys *phys;
 
 	if (!encoder) {
 		SDE_ERROR("invalid encoder\n");
@@ -5859,9 +5858,7 @@ u32 sde_encoder_get_frame_count(struct drm_encoder *encoder)
 	}
 	sde_enc = to_sde_encoder_virt(encoder);
 
-	phys = sde_enc->cur_master;
-
-	return phys ? atomic_read(&sde_enc->vsync_cnt) : 0;
+	return atomic_read(&sde_enc->vsync_cnt);
 }
 
 bool sde_encoder_get_vblank_timestamp(struct drm_encoder *encoder,
diff --git a/msm/sde/sde_wb.c b/msm/sde/sde_wb.c
index 27a1537b..3efbf32a 100644
--- a/msm/sde/sde_wb.c
+++ b/msm/sde/sde_wb.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
  */
 
@@ -471,9 +471,6 @@ int sde_wb_get_mode_info(struct drm_connector *connector,
 	const u32 single_intf = 1;
 	const u32 no_enc = 0;
 	struct msm_display_topology *topology;
-	struct sde_wb_device *wb_dev = display;
-	u16 hdisplay;
-	int i;
 
 	if (!drm_mode || !mode_info || !avail_res ||
 			!avail_res->max_mixer_width || !display) {
@@ -481,18 +478,17 @@ int sde_wb_get_mode_info(struct drm_connector *connector,
 		return -EINVAL;
 	}
 
-	hdisplay = drm_mode->hdisplay;
-
-	/* find maximum display width to support */
-	for (i = 0; i < wb_dev->count_modes; i++)
-		hdisplay = max(hdisplay, wb_dev->modes[i].hdisplay);
-
 	topology = &mode_info->topology;
-	topology->num_lm = (avail_res->max_mixer_width <= hdisplay) ?
+	topology->num_lm = (avail_res->max_mixer_width <= drm_mode->hdisplay) ?
 			dual_lm : single_lm;
 	topology->num_enc = no_enc;
 	topology->num_intf = single_intf;
 
+	if (topology->num_lm == dual_lm && (drm_mode->hdisplay % 4)) {
+		SDE_ERROR("invalid mode settings for 3d-merge, hdisplay:%d\n", drm_mode->hdisplay);
+		return -EINVAL;
+	}
+
 	mode_info->comp_info.comp_type = MSM_DISPLAY_COMPRESSION_NONE;
 	mode_info->wide_bus_en = false;
 	mode_info->comp_info.comp_ratio = MSM_DISPLAY_COMPRESSION_RATIO_NONE;