diff --git a/msm/sde_dbg.c b/msm/sde_dbg.c
index 04037d5c5f20..72b5d89bb80d 100644
--- a/msm/sde_dbg.c
+++ b/msm/sde_dbg.c
@@ -3254,6 +3254,7 @@ static void _sde_dbg_dump_sde_dbg_bus(struct sde_dbg_sde_debug_bus *bus)
 	u32 *dump_addr = NULL;
 	u32 status = 0;
 	struct sde_debug_bus_entry *head;
+	phys_addr_t phys = 0;
 	int list_size;
 	int i;
 	u32 offset;
@@ -3291,7 +3292,8 @@ static void _sde_dbg_dump_sde_dbg_bus(struct sde_dbg_sde_debug_bus *bus)
 
 	if (in_mem) {
 		if (!(*dump_mem))
-			*dump_mem =  vzalloc(list_size);
+			*dump_mem = dma_alloc_coherent(sde_dbg_base.dev,
+				list_size, &phys, GFP_KERNEL);
 
 		if (*dump_mem) {
 			dump_addr = *dump_mem;
@@ -3401,6 +3403,7 @@ static void _sde_dbg_dump_vbif_dbg_bus(struct sde_dbg_vbif_debug_bus *bus)
 	u32 value, d0, d1;
 	unsigned long reg, reg1, reg2;
 	struct vbif_debug_bus_entry *head;
+	phys_addr_t phys = 0;
 	int i, list_size = 0;
 	void __iomem *mem_base = NULL;
 	struct vbif_debug_bus_entry *dbg_bus;
@@ -3450,7 +3453,8 @@ static void _sde_dbg_dump_vbif_dbg_bus(struct sde_dbg_vbif_debug_bus *bus)
 
 	if (in_mem) {
 		if (!(*dump_mem))
-			*dump_mem =  vzalloc(list_size);
+			*dump_mem = dma_alloc_coherent(sde_dbg_base.dev,
+				list_size, &phys, GFP_KERNEL);
 
 		if (*dump_mem) {
 			dump_addr = *dump_mem;
@@ -3541,12 +3545,14 @@ static void _sde_dump_array(struct sde_dbg_reg_base *blk_arr[],
 	int i;
 	u32 reg_dump_size;
 	struct sde_dbg_base *dbg_base = &sde_dbg_base;
+	phys_addr_t phys = 0;
 
 	mutex_lock(&sde_dbg_base.mutex);
 
 	reg_dump_size =  _sde_dbg_get_reg_dump_size();
 	if (!dbg_base->reg_dump_base)
-		dbg_base->reg_dump_base = vzalloc(reg_dump_size);
+		dbg_base->reg_dump_base = dma_alloc_coherent(sde_dbg_base.dev,
+			reg_dump_size, &phys, GFP_KERNEL);
 
 	dbg_base->reg_dump_addr =  dbg_base->reg_dump_base;
 
@@ -4785,7 +4791,6 @@ 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_buses_destroy(void)