diff --git a/msm/sde/sde_color_processing.c b/msm/sde/sde_color_processing.c
index 182378a636ed..b5cc70026bde 100644
--- a/msm/sde/sde_color_processing.c
+++ b/msm/sde/sde_color_processing.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
  */
 
@@ -4476,7 +4477,7 @@ void sde_cp_crtc_enable(struct drm_crtc *drm_crtc)
 	if (!num_mixers)
 		return;
 	mutex_lock(&crtc->crtc_cp_lock);
-	info = kzalloc(sizeof(struct sde_kms_info), GFP_KERNEL);
+	info = vzalloc(sizeof(struct sde_kms_info));
 	if (info) {
 		for (i = 0; i < ARRAY_SIZE(dspp_cap_update_func); i++)
 			dspp_cap_update_func[i](crtc, info);
@@ -4485,7 +4486,7 @@ void sde_cp_crtc_enable(struct drm_crtc *drm_crtc)
 			info->data, SDE_KMS_INFO_DATALEN(info),
 			CRTC_PROP_DSPP_INFO);
 	}
-	kfree(info);
+	vfree(info);
 	mutex_unlock(&crtc->crtc_cp_lock);
 }
 
@@ -4500,12 +4501,12 @@ void sde_cp_crtc_disable(struct drm_crtc *drm_crtc)
 	}
 	crtc = to_sde_crtc(drm_crtc);
 	mutex_lock(&crtc->crtc_cp_lock);
-	info = kzalloc(sizeof(struct sde_kms_info), GFP_KERNEL);
+	info = vzalloc(sizeof(struct sde_kms_info));
 	if (info)
 		msm_property_set_blob(&crtc->property_info,
 				&crtc->dspp_blob_info,
 			info->data, SDE_KMS_INFO_DATALEN(info),
 			CRTC_PROP_DSPP_INFO);
 	mutex_unlock(&crtc->crtc_cp_lock);
-	kfree(info);
+	vfree(info);
 }
diff --git a/msm/sde/sde_connector.c b/msm/sde/sde_connector.c
index c8d98a10abb0..404e8af8c80f 100644
--- a/msm/sde/sde_connector.c
+++ b/msm/sde/sde_connector.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
  */
 
@@ -2633,7 +2634,7 @@ int sde_connector_set_blob_data(struct drm_connector *conn,
 		return -EINVAL;
 	}
 
-	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	info = vzalloc(sizeof(*info));
 	if (!info)
 		return -ENOMEM;
 
@@ -2691,7 +2692,7 @@ int sde_connector_set_blob_data(struct drm_connector *conn,
 			SDE_KMS_INFO_DATALEN(info),
 			prop_id);
 exit:
-	kfree(info);
+	vfree(info);
 
 	return rc;
 }
diff --git a/msm/sde/sde_crtc.c b/msm/sde/sde_crtc.c
index 1764b9110ade..132222fa68e9 100644
--- a/msm/sde/sde_crtc.c
+++ b/msm/sde/sde_crtc.c
@@ -5415,7 +5415,7 @@ static void sde_crtc_install_properties(struct drm_crtc *crtc,
 		return;
 	}
 
-	info = kzalloc(sizeof(struct sde_kms_info), GFP_KERNEL);
+	info = vzalloc(sizeof(struct sde_kms_info));
 	if (!info) {
 		SDE_ERROR("failed to allocate info memory\n");
 		return;
@@ -5499,7 +5499,7 @@ static void sde_crtc_install_properties(struct drm_crtc *crtc,
 			info->data, SDE_KMS_INFO_DATALEN(info),
 			CRTC_PROP_INFO);
 
-	kfree(info);
+	vfree(info);
 }
 
 static int _sde_crtc_get_output_fence(struct drm_crtc *crtc,
diff --git a/msm/sde/sde_plane.c b/msm/sde/sde_plane.c
index c8b1c78eb785..1aa639aefb6b 100644
--- a/msm/sde/sde_plane.c
+++ b/msm/sde/sde_plane.c
@@ -3665,7 +3665,7 @@ static void _sde_plane_setup_capabilities_blob(struct sde_plane *psde,
 	sde_kms_info_add_keyint(info, "pipe_idx", pipe_id);
 
 	index = (master_plane_id == 0) ? 0 : 1;
-	if (catalog->has_demura &&
+	if (catalog->has_demura && psde->pipe < SSPP_MAX &&
 	    catalog->demura_supported[psde->pipe][index] != ~0x0)
 		sde_kms_info_add_keyint(info, "demura_block", index);
 
@@ -3755,7 +3755,7 @@ static void _sde_plane_install_properties(struct drm_plane *plane,
 	psde->catalog = catalog;
 	is_master = !psde->is_virtual;
 
-	info = kzalloc(sizeof(struct sde_kms_info), GFP_KERNEL);
+	info = vzalloc(sizeof(struct sde_kms_info));
 	if (!info) {
 		SDE_ERROR("failed to allocate info memory\n");
 		return;
@@ -3834,7 +3834,7 @@ static void _sde_plane_install_properties(struct drm_plane *plane,
 			ARRAY_SIZE(e_fb_translation_mode), 0,
 			PLANE_PROP_FB_TRANSLATION_MODE);
 
-	kfree(info);
+	vfree(info);
 }
 
 static inline void _sde_plane_set_csc_v1(struct sde_plane *psde,
diff --git a/msm/sde_dbg.c b/msm/sde_dbg.c
index 23855af9c9f0..4d6a5e22d813 100644
--- a/msm/sde_dbg.c
+++ b/msm/sde_dbg.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2009-2021, The Linux Foundation. All rights reserved.
  */
 
@@ -228,6 +229,7 @@ struct sde_dbg_regbuf {
  * struct sde_dbg_base - global sde debug base structure
  * @evtlog: event log instance
  * @reglog: reg log instance
+ * @reg_dump_base: base address of register dump region
  * @reg_base_list: list of register dumping regions
  * @dev: device pointer
  * @mutex: mutex to serialize access to serialze dumps, debugfs access
@@ -253,6 +255,7 @@ struct sde_dbg_base {
 	struct sde_dbg_evtlog *evtlog;
 	struct sde_dbg_reglog *reglog;
 	struct list_head reg_base_list;
+	void *reg_dump_base;
 	void *reg_dump_addr;
 	struct device *dev;
 	struct mutex mutex;
@@ -992,7 +995,7 @@ static void _sde_dbg_dump_sde_dbg_bus(struct sde_dbg_sde_debug_bus *bus)
 
 	in_mem = (bus->cmn.enable_mask & SDE_DBG_DUMP_IN_MEM);
 	if (in_mem && (!(*dump_mem))) {
-		*dump_mem = devm_kzalloc(sde_dbg_base.dev, list_size, GFP_KERNEL);
+		*dump_mem = vzalloc(list_size);
 		bus->cmn.content_size = list_size / sizeof(u32);
 	}
 
@@ -1040,7 +1043,7 @@ static void _sde_dbg_dump_dsi_dbg_bus(struct sde_dbg_sde_debug_bus *bus)
 	mutex_lock(&sde_dbg_dsi_mutex);
 	in_mem = (bus->cmn.enable_mask & SDE_DBG_DUMP_IN_MEM);
 	if (in_mem && (!(*dump_mem))) {
-		*dump_mem = devm_kzalloc(sde_dbg_base.dev, list_size, GFP_KERNEL);
+		*dump_mem = vzalloc(list_size);
 		bus->cmn.content_size = list_size / sizeof(u32);
 	}
 
@@ -1086,8 +1089,10 @@ static void _sde_dump_array(struct sde_dbg_reg_base *blk_arr[],
 	mutex_lock(&sde_dbg_base.mutex);
 
 	reg_dump_size =  _sde_dbg_get_reg_dump_size();
-	dbg_base->reg_dump_addr = devm_kzalloc(sde_dbg_base.dev,
-			reg_dump_size, GFP_KERNEL);
+	if (!dbg_base->reg_dump_base)
+		dbg_base->reg_dump_base = vzalloc(reg_dump_size);
+
+	dbg_base->reg_dump_addr =  dbg_base->reg_dump_base;
 
 	if (!dbg_base->reg_dump_addr)
 		pr_err("Failed to allocate memory for reg_dump_addr size:%d\n",
@@ -1627,7 +1632,7 @@ static ssize_t sde_recovery_regdump_read(struct file *file, char __user *ubuf,
 
 	if (!rbuf->dump_done && !rbuf->cur_blk) {
 		if (!rbuf->buf)
-			rbuf->buf = kzalloc(DUMP_BUF_SIZE, GFP_KERNEL);
+			rbuf->buf = vzalloc(DUMP_BUF_SIZE);
 		if (!rbuf->buf) {
 			len =  -ENOMEM;
 			goto err;
@@ -2402,6 +2407,7 @@ static void sde_dbg_reg_base_destroy(void)
 		list_del(&blk_base->reg_base_head);
 		kfree(blk_base);
 	}
+	vfree(dbg_base->reg_dump_base);
 }
 
 static void sde_dbg_dsi_ctrl_destroy(void)
@@ -2416,12 +2422,22 @@ static void sde_dbg_dsi_ctrl_destroy(void)
 	mutex_unlock(&sde_dbg_dsi_mutex);
 }
 
+static void sde_dbg_buses_destroy(void)
+{
+	struct sde_dbg_base *dbg_base = &sde_dbg_base;
+
+	vfree(dbg_base->dbgbus_sde.cmn.dumped_content);
+	vfree(dbg_base->dbgbus_vbif_rt.cmn.dumped_content);
+	vfree(dbg_base->dbgbus_dsi.cmn.dumped_content);
+	vfree(dbg_base->dbgbus_lutdma.cmn.dumped_content);
+}
+
 /**
  * sde_dbg_destroy - destroy sde debug facilities
  */
 void sde_dbg_destroy(void)
 {
-	kfree(sde_dbg_base.regbuf.buf);
+	vfree(sde_dbg_base.regbuf.buf);
 	memset(&sde_dbg_base.regbuf, 0, sizeof(sde_dbg_base.regbuf));
 	_sde_dbg_debugfs_destroy();
 	sde_dbg_base_evtlog = NULL;
@@ -2431,6 +2447,7 @@ void sde_dbg_destroy(void)
 	sde_dbg_base.reglog = NULL;
 	sde_dbg_reg_base_destroy();
 	sde_dbg_dsi_ctrl_destroy();
+	sde_dbg_buses_destroy();
 	mutex_destroy(&sde_dbg_base.mutex);
 }
 
diff --git a/msm/sde_dbg_evtlog.c b/msm/sde_dbg_evtlog.c
index 21ae067957c5..59c8440e413d 100644
--- a/msm/sde_dbg_evtlog.c
+++ b/msm/sde_dbg_evtlog.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
  */
 
@@ -219,7 +220,7 @@ struct sde_dbg_evtlog *sde_evtlog_init(void)
 {
 	struct sde_dbg_evtlog *evtlog;
 
-	evtlog = kzalloc(sizeof(*evtlog), GFP_KERNEL);
+	evtlog = vzalloc(sizeof(*evtlog));
 	if (!evtlog)
 		return ERR_PTR(-ENOMEM);
 
@@ -239,7 +240,7 @@ struct sde_dbg_reglog *sde_reglog_init(void)
 {
 	struct sde_dbg_reglog *reglog;
 
-	reglog = kzalloc(sizeof(*reglog), GFP_KERNEL);
+	reglog = vzalloc(sizeof(*reglog));
 	if (!reglog)
 		return ERR_PTR(-ENOMEM);
 
@@ -350,7 +351,7 @@ void sde_evtlog_destroy(struct sde_dbg_evtlog *evtlog)
 		list_del(&filter_node->list);
 		kfree(filter_node);
 	}
-	kfree(evtlog);
+	vfree(evtlog);
 }
 
 void sde_reglog_destroy(struct sde_dbg_reglog *reglog)
@@ -358,5 +359,5 @@ void sde_reglog_destroy(struct sde_dbg_reglog *reglog)
 	if (!reglog)
 		return;
 
-	kfree(reglog);
+	vfree(reglog);
 }