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How to set to make  imx6q  HDMI  display full screen

Question asked by zj z on Dec 3, 2014
Latest reply on Dec 16, 2014 by Jamie Whitham

the left margin and right margin of picture the imx6q HDMI(1920x1080) display on TV is too wide.

Here is fb_videomode when resolution is 1920x1080

 

mxc_cea_mode[16] = {
NULL, 60, 1920, 1080, 6734, 148, 88, 36, 4, 44, 5,
FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
FB_VMODE_NONINTERLACED | FB_VMODE_ASPECT_16_9, 0,
}

I changed the value of left margin and right margin showed above

The value is writen to corresponding register in function hdmi_av_composer but nothing changed. 

so  how can I eliminate the left and right margin imx6q HDMI display on TV?

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