video: rockchip: update display buffer dump
authorMark Yao <mark.yao@rock-chips.com>
Wed, 1 Apr 2015 01:54:02 +0000 (09:54 +0800)
committerhjc <hjc@rock-chips.com>
Mon, 27 Apr 2015 01:38:21 +0000 (09:38 +0800)
commitbff29ceb63cccf771aaaf741e4ca23f39989c421
tree564514b20ba1ab7cf01ece17cde4d7c2c25dcc60
parent5a1141f969ed5ebc917d21e2843cae49539d9302
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>
Conflicts:
include/linux/rk_fb.h
drivers/video/rockchip/rk_fb.c
drivers/video/rockchip/rkfb_sysfs.c
include/linux/rk_fb.h