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sunxi: display: Add overscan correction

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Add support for making the visual area of the framebuffer smaller and
drawing a black border around it. This is intended for use with
overscanning monitors (esp. with composite video out), to avoid part
of the picture being invisible.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Acked-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Hans de Goede
2015-08-05 00:06:47 +02:00
parent c67a8767f5
commit 58332f89b6
3 changed files with 45 additions and 12 deletions
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1
include/configs/sunxi-common.h
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@@ -300,6 +300,7 @@ extern int soft_i2c_gpio_scl;
#define CONFIG_VIDEO_LOGO
#define CONFIG_VIDEO_STD_TIMINGS
#define CONFIG_I2C_EDID
#define VIDEO_LINE_LEN (pGD->plnSizeX)
/* allow both serial and cfb console. */
#define CONFIG_CONSOLE_MUX