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video: rockchip: update display buffer dump
authorMark Yao <mark.yao@rock-chips.com>
Wed, 1 Apr 2015 01:54:02 +0000 (09:54 +0800)
committerMark Yao <mark.yao@rock-chips.com>
Wed, 1 Apr 2015 04:34:42 +0000 (12:34 +0800)
commitce69d89d2ff20b9c04d02656ce0495109c92e7c6
tree58f9d8ac44a00ffcd9fae3f596e05b528fddad8atree | snapshot
parent6034e8ea484b2e6e37514a640b3f21580357fdb1commit | diff
video: rockchip: update display buffer dump

Create a new sys node "/sys/class/graphics/fb0/dump_buf" to dump
display buffer.

Now can support trace multi frames and kernel logo dump.
More info see by "cat /sys/class/graphics/fb0/dump_buf"

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
drivers/video/rockchip/rk_fb.c diff | blob | history
drivers/video/rockchip/rkfb_sysfs.c diff | blob | history
include/linux/rk_fb.h diff | blob | history
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