自己编译内核的resource.img出问题?

自己编译内核的resource.img出问题?
cdn-dp fec00000.dp: Direct firmware load for rockchip/dptx.bin failed with error -2

[ 9.900812] #0: rk-hdmi-dp-sound
[ 9.901432] Waiting for root device /dev/mmcblk1p6…
[ 16.516377] cdn-dp fec00000.dp: Direct firmware load for rockchip/dptx.bin failed with error -2
[ 25.859818] random: nonblocking pool is initialized
[ 32.518762] cdn-dp fec00000.dp: Direct firmware load for rockchip/dptx.bin failed with error -2

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