9261更改LCD驱动时，遇到问题，提示unable to set display parameters linux
内核还有以下输出：
tmel_lcdfb atmel_lcdfb.0: 160KiB frame buffer at 00300000 (mapped at c4880000)
atmel_lcdfb atmel_lcdfb.0: unable to set display parameters
atmel_lcdfb: probe of atmel_lcdfb.0 failed with error -22
是什么问题，怎么解决？？？
下面是设置代码
static struct fb_videomode at91_tft_vga_modes[] = {
{
.name = "TM050RDH05",
.refresh = 60,
.xres = 800, .yres = 480,
.pixclock = KHZ2PICOS(33000),
.left_margin = 40, .right_margin = 40,
.upper_margin = 13, .lower_margin = 32,
.hsync_len = 48, .vsync_len = 3,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED,
},
};
static struct fb_monspecs at91fb_default_tft_monspecs = {
.manufacturer = "TM",
.monitor = "TM050",
.modedb = at91_tft_vga_modes,
.modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
.hfmin = 15000,
.hfmax = 64000,
.vfmin = 50,
.vfmax = 150,
};
------解决方案--------------------
这个是我正确的启动信息
atmel_lcdfb atmel_lcdfb.0: 937KiB frame buffer at 23900000 (mapped at ffc00000)
你那个Buffer调大点试试
------解决方案--------------------