2 files changed, 10 insertions, 4 deletions

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 6b7f2da6f907..6f0fb2d50c28 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -353,8 +353,8 @@ static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
         lcd_enable_raster();
 }
 
-/* Configure the Burst Size of DMA */
-static int lcd_cfg_dma(int burst_size)
+/* Configure the Burst Size and fifo threhold of DMA */
+static int lcd_cfg_dma(int burst_size, int fifo_th)
 {
         u32 reg;
 
@@ -378,6 +378,9 @@ static int lcd_cfg_dma(int burst_size)
         default:
                 return -EINVAL;
         }
+
+        reg |= (fifo_th << 8);
+
         lcdc_write(reg, LCD_DMA_CTRL_REG);
 
         return 0;
@@ -679,8 +682,8 @@ static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg,
                 lcdc_write((lcdc_read(LCD_RASTER_TIMING_2_REG) &
                         ~LCD_INVERT_PIXEL_CLOCK), LCD_RASTER_TIMING_2_REG);
 
-        /* Configure the DMA burst size. */
-        ret = lcd_cfg_dma(cfg->dma_burst_sz);
+        /* Configure the DMA burst size and fifo threshold. */
+        ret = lcd_cfg_dma(cfg->dma_burst_sz, cfg->fifo_th);
         if (ret < 0)
                 return ret;
 
diff --git a/include/video/da8xx-fb.h b/include/video/da8xx-fb.h
index 89d43b3d4cb9..5a0e4f9efb53 100644
--- a/include/video/da8xx-fb.h
+++ b/include/video/da8xx-fb.h
@@ -82,6 +82,9 @@ struct lcd_ctrl_config {
 
         /* Raster Data Order Select: 1=Most-to-least 0=Least-to-most */
         unsigned char raster_order;
+
+        /* DMA FIFO threshold */
+        int fifo_th;
 };
 
 struct lcd_sync_arg {