am335x lcd 显示向左偏移

hi:

    我们用的TN92的TTL的LCD，分辨率是800*480，使用am335x-evm.dts的默认配置或则是根据下面的配置的。出现的问题是画面左移，在屏幕的右边会出现左边偏移出的去的哪部分画面。而且每次启动都会出现下面的那种sync lost的log，请大家帮忙分析下，是哪个时序修改错了？

AM335x(TQ335x)学习笔记——LCD驱动移植 – girlkoo的专栏 – 博客频道 – CSDN.NET
http://blog.csdn.net/girlkoo/article/details/41382663

[ 43.628775] PVR_K: UM DDK-(3699939) and KM DDK-(3699939) match. [ OK ]
[ 43.682393] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000020): FIFO underfow
[ 43.682624] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000020): FIFO underfow
[ 43.693542] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.694376] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.712136] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.712957] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.729921] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.730697] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.731547] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.748511] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.749289] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 43.750128] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost
[ 44.010346] tilcdc 4830e000.lcdc: tilcdc_crtc_irq(0x00000004): Sync lost flood detected, disabling the interrupt

HG：

既然代码里都已经报异常了，跟代码是最有效的debug手段 

Bob Chen4：

请问解决了吗？我也遇到这样问题

zizhen hu：

回复 Bob Chen4:

见我http://www.deyisupport.com/question_answer/dsp_arm/sitara_arm/f/25/t/123863.aspx帖子里的操作，不知道原因，但是没有再复现