video/rockchip: rga2: fix rga timeout when do scaling
authorMark Yao <mark.yao@rock-chips.com>
Thu, 20 Apr 2017 01:34:26 +0000 (09:34 +0800)
committerHuang, Tao <huangtao@rock-chips.com>
Thu, 20 Apr 2017 04:03:48 +0000 (12:03 +0800)
commit744f756b0b98d43a9be5ae9bce31e8c229070f07
tree3d004bc33e6988557f8befb3e0339818fd9cafc5
parent4731c32977a5bde725f9bc9fb1042a704ea9bde2
video/rockchip: rga2: fix rga timeout when do scaling

rk3368 rga sometime may timeout when do scaling, and it can't
be restore until do a non-scale rga work.

So hack that, if timeout with scaling work, do a tiny non-scale rga
work before normal work.

Change-Id: I4598741347c44a1ff3c2272270f4c6a1def36177
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
drivers/video/rockchip/rga2/rga2_drv.c