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dm385 insmod vpss.ko failure ???



Env : dm385 , ipnc 3.5

Runing system("insmod ./kermod/vpss.ko mode=hdmi:1080p-60 sbufaddr=0xbfb00000");

Debug information :

VPSS_FVID2: create handle is NULL
VPSS_SYSTEM: failed to create handle
VPSS_CORE : failed to init system
vpss: probe of vpss failed with error -22
VPSS_CORE : failed to register ti81xx-vpss driver
insmod: error inserting './kermod/vpss.ko': -1 No such device

How do I solve this problem ?