diff --git a/arch/arm/include/asm/imx-common/dma.h b/arch/arm/include/asm/imx-common/dma.h
index 5f516ef6e04186a6962ada6759ff1898002c4aee..d5c1f7f255a3c5f6eee70634d6dd747ac5639530 100644
--- a/arch/arm/include/asm/imx-common/dma.h
+++ b/arch/arm/include/asm/imx-common/dma.h
@@ -161,4 +161,6 @@ void mxs_dma_init(void);
 int mxs_dma_init_channel(int chan);
 int mxs_dma_release(int chan);
 
+void mxs_dma_circ_start(int chan, struct mxs_dma_desc *pdesc);
+
 #endif	/* __DMA_H__ */
diff --git a/drivers/dma/apbh_dma.c b/drivers/dma/apbh_dma.c
index 96d4c9bb19960c943fa0666768e30212d996f139..22defcd7d9223be898b18cdc8ae1236a38272671 100644
--- a/drivers/dma/apbh_dma.c
+++ b/drivers/dma/apbh_dma.c
@@ -544,6 +544,28 @@ int mxs_dma_go(int chan)
 	return ret;
 }
 
+/*
+ * Execute a continuously running circular DMA descriptor.
+ * NOTE: This is not intended for general use, but rather
+ *	 for the LCD driver in Smart-LCD mode. It allows
+ *	 continuous triggering of the RUN bit there.
+ */
+void mxs_dma_circ_start(int chan, struct mxs_dma_desc *pdesc)
+{
+	struct mxs_apbh_regs *apbh_regs =
+		(struct mxs_apbh_regs *)MXS_APBH_BASE;
+
+	mxs_dma_flush_desc(pdesc);
+
+	mxs_dma_enable_irq(chan, 1);
+
+	writel(mxs_dma_cmd_address(pdesc),
+		&apbh_regs->ch[chan].hw_apbh_ch_nxtcmdar);
+	writel(1, &apbh_regs->ch[chan].hw_apbh_ch_sema);
+	writel(1 << (chan + APBH_CTRL0_CLKGATE_CHANNEL_OFFSET),
+		&apbh_regs->hw_apbh_ctrl0_clr);
+}
+
 /*
  * Initialize the DMA hardware
  */