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Device Tree change step for using HDMI monitor

Question asked by HUN KIM on Oct 1, 2018
Latest reply on Oct 2, 2018 by igorpadykov

Hello, to make long story short, I am trying to use a specific HDMI display, but when I connected it with Imx6dl sabre auto it doesn't interact.

And, what I found is that I need to change mxc.hdmi.c (kernel/drivers/video/fbdev/mxc) into right sync rate like below.

 

static const struct fb_videomode vga_mode = { / 640x480 @ 60 Hz, 31.5 kHz hsync / NULL, 60, 640, 480, 39721, 48, 16, 33, 10, 96, 2, 0, FB_VMODE_NONINTERLACED | FB_VMODE_ASPECT_4_3, FB_MODE_IS_VESA, };

 

But, after modifying this, I think I need to update dts and uImage /boot, but don't know the detail steps.

 

So, I was wondering if anyone could tell me what I have to do to move forward?

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