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如题,少了LUBUNTU的Img,默认使用HDMI显示,我没有高清线,想切换成VGA输出,要怎样做。
在/dev/下发现 fb0,fb1两个设备
写了个framebuffer驱动测试/dev/fb1,看起来应该是VGA的,但是接上显示器就是没有输出.不解。{:soso_e101:}
Fixed screen info:
id:
smem_start: 0x0
smem_len: 6144000
type: 0
type_aux: 0
visual: 2
xpanstep: 1
ypanstep: 1
ywrapstep: 0
line_length: 3200
mmio_start: 0x0
mmio_len: 0
accel: 0
Variable screen info:
xres: 800
yres: 480
xres_virtual: 800
yres_virtual: 960
yoffset: 0
xoffset: 0
bits_per_pixel: 32
grayscale: 0
red: offset: 16, length: 8, msb_right: 0
green: offset: 8, length: 8, msb_right: 0
blue: offset: 0, length: 8, msb_right: 0
transp: offset: 24, length: 8, msb_right: 0
nonstd: 0
activate: 128
height: 0
width: 0
accel_flags: 0x0
pixclock: 0
left_margin: 0
right_margin: 0
upper_margin: 0
lower_margin: 0
hsync_len: 0
vsync_len: 0
sync: 0
vmode: 0
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