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-rw-r--r--drivers/video/da8xx-fb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 0a0983f..7dfa7a7 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -407,9 +407,9 @@ static void lcd_cfg_horizontal_sync(int back_porch, int pulse_width,
u32 reg;
reg = lcdc_read(LCD_RASTER_TIMING_0_REG) & 0xf;
- reg |= ((back_porch & 0xff) << 24)
- | ((front_porch & 0xff) << 16)
- | ((pulse_width & 0x3f) << 10);
+ reg |= (((back_porch-1) & 0xff) << 24)
+ | (((front_porch-1) & 0xff) << 16)
+ | (((pulse_width-1) & 0x3f) << 10);
lcdc_write(reg, LCD_RASTER_TIMING_0_REG);
}
@@ -421,7 +421,7 @@ static void lcd_cfg_vertical_sync(int back_porch, int pulse_width,
reg = lcdc_read(LCD_RASTER_TIMING_1_REG) & 0x3ff;
reg |= ((back_porch & 0xff) << 24)
| ((front_porch & 0xff) << 16)
- | ((pulse_width & 0x3f) << 10);
+ | (((pulse_width-1) & 0x3f) << 10);
lcdc_write(reg, LCD_RASTER_TIMING_1_REG);
}
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