Files
linux/include/drm
Shixiang Zheng 9fd9c79820 drm/rockchip: add a debug node to dump buf from application
dump path: /data/vop_buf
debug nod: d/dri/0/ff900000.vop/vop_dump/dump
echo dump    > dump to dump one frame
echo dumpon  > dump to start vop keep dumping
echo dumpoff > dump to stop keep dumping
echo dumpn   > dump n is the number of dump times
if fd err -3 try rm -r /data/vopbuf echo dump1 > dump can fix it
if fd err -28 save needed data try rm -r /data/vopbuf

Change-Id: Id5fefa428db1b5669ceae418cd8bddfa52e52f61
Signed-off-by: Shixiang Zheng <shixiang.zheng@rock-chips.com>
2018-04-27 10:43:43 +08:00
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