at91: video: atmel_hlcdfb.c: fix bad timing configuration
authorWu, Josh <Josh.wu@atmel.com>
Mon, 10 Mar 2014 08:40:41 +0000 (16:40 +0800)
committerAnatolij Gustschin <agust@denx.de>
Mon, 5 May 2014 09:50:16 +0000 (11:50 +0200)
The right correspondance between LCD margins and LCD timings is:
    * upper margin -> vertical back porch
    * lower margin -> vertical front porch
    * left  margin -> horizontal back porch
    * right margin -> horizontal front porch

Signed-off-by: Josh Wu <josh.wu@atmel.com>
drivers/video/atmel_hlcdfb.c

index 853303b5e53c35b7670b8a13ce01aaa700c32857..bb4d7d8c1471ad9ca79b203ad4cc7cc03c673c01 100644 (file)
@@ -128,12 +128,12 @@ void lcd_ctrl_init(void *lcdbase)
        value |= LCDC_LCDCFG1_HSPW(panel_info.vl_hsync_len - 1);
        lcdc_writel(&regs->lcdc_lcdcfg1, value);
 
-       value = LCDC_LCDCFG2_VBPW(panel_info.vl_lower_margin);
-       value |= LCDC_LCDCFG2_VFPW(panel_info.vl_upper_margin - 1);
+       value = LCDC_LCDCFG2_VBPW(panel_info.vl_upper_margin);
+       value |= LCDC_LCDCFG2_VFPW(panel_info.vl_lower_margin - 1);
        lcdc_writel(&regs->lcdc_lcdcfg2, value);
 
-       value = LCDC_LCDCFG3_HBPW(panel_info.vl_right_margin - 1);
-       value |= LCDC_LCDCFG3_HFPW(panel_info.vl_left_margin - 1);
+       value = LCDC_LCDCFG3_HBPW(panel_info.vl_left_margin - 1);
+       value |= LCDC_LCDCFG3_HFPW(panel_info.vl_right_margin - 1);
        lcdc_writel(&regs->lcdc_lcdcfg3, value);
 
        /* Display size */