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AM3359的VSYNC问题

Other Parts Discussed in Thread: AM3359

Hi,

我想知道AM3359的LCD控制器的VSYNC的时钟频率值怎么计算,也就是想知道刷新频率。

我现在da8xx-fb.c中设置了800*600 LCD的时序参数:

static struct da8xx_panel known_lcd_panels[] = {

[0] = {

.name = "LCD",

.width = 800,

.height = 600,

.hfp = 40,

.hbp = 88,

.hsw = 128,

.vfp = 1,

.vbp = 23,

.vsw = 4,

.pxl_clk = 40000000,

.invert_pxl_clk = 0,

},

}

我用示波器测出来VSYNC是大约72HZ,为什么是72HZ呢

我想将VSYNC的频率设置为60HZ,请问该怎么设置参数。

请有知道的兄弟姐妹和TI工程师支持下,谢谢!