Clone display without using LVDS

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Clone display without using LVDS

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Contributor V

Hi all,

I heard  LinuxBSP for iMX6QSDB didn't support clone display (except LDVS0&1).

However I would like to display primary fb on both hdmi and lcd.

Is it possible? If yes, how can I configure video bootargs of uboot?

If it is difficult, which source file need to modify?

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NXP Employee
NXP Employee

hi,

the following setting for bootargs has lvds0 with fb0 and hdmi with fb2.

---

video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666' video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24'

---

Then you can output the same content into fb2 & fb0, and both displays can show the same content.

Regards,

Max

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NXP Employee
NXP Employee

hi,

the following setting for bootargs has lvds0 with fb0 and hdmi with fb2.

---

video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666' video=mxcfb1:dev=hdmi,1920x1080M@60,if=RGB24'

---

Then you can output the same content into fb2 & fb0, and both displays can show the same content.

Regards,

Max

View solution in original post

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