From e0ee7939ee02b17c8ad929710321e5c33328b77f Mon Sep 17 00:00:00 2001 From: "Manjunathappa, Prakash" Date: Tue, 6 Dec 2011 19:03:49 +0530 Subject: [PATCH] video: da8xx-fb: Add debug message on sync and underflow error Patch adds useful debug message on LCDC syn and underflow error. Signed-off-by: Manjunathappa, Prakash --- drivers/video/da8xx-fb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 4347421..e0af409 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -769,6 +769,7 @@ static irqreturn_t lcdc_irq_handler_rev02(int irq, void *arg) u32 reg_int; if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) { + printk(KERN_ERR "LCDC sync lost or underflow error occured\n"); lcd_disable_raster(); clk_disable(par->lcdc_clk); lcdc_write(stat, LCD_MASKED_STAT_REG); @@ -832,6 +833,7 @@ static irqreturn_t lcdc_irq_handler_rev01(int irq, void *arg) u32 reg_ras; if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) { + printk(KERN_ERR "LCDC sync lost or underflow error occured\n"); lcd_disable_raster(); clk_disable(par->lcdc_clk); lcdc_write(stat, LCD_STAT_REG); -- 1.9.1