Hi!
I'm using Beagleboard clone with TFT display connected. The display is 3.5"
320x240.
I created a new driver for this display for the kernel 2.6.32 (beagleboard
BSP) obtained from the OE environment. When u-boot starts I set the
following variables:
> setenv defaultdisplay pt35
> setenv dvimode 320x240MR-16@60
All I need is to have timings specified in my driver:
static struct omap_video_timings pt35_timings = {
.x_res = 320,
.y_res = 240,
.pixel_clock = 8000,
.hsw = 30,
.hfp = 40,
.hbp = 0,
.vsw = 5,
.vfp = 13,
.vbp = 4,
};
But with dvimode set to 320x240MR-16@60 an image is rather good, but is
shifted a little. As I understand the timings is calculated by CVT and I
can't change them.
If I set dvimode to 320x240-16@60 then I get timings from
drivers/video/modedb.c:
}, {
/* 320x240 @ 60 Hz, 31.5 kHz hsync, 4:3 aspect ratio */
NULL, 60, 320, 240, 79440, 16, 16, 16, 5, 48, 1,
0, FB_VMODE_DOUBLE
}, {
I want to set margins (porches) for the image but don't know how. Please
advise!
best regards,
Max
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