UPSTREAM: drm/rockchip: explain why we can't wait_for_vblanks
authorJohn Keeping <john@metanate.com>
Tue, 19 Jan 2016 10:47:00 +0000 (10:47 +0000)
committerMark Yao <mark.yao@rock-chips.com>
Thu, 17 Mar 2016 01:42:05 +0000 (09:42 +0800)
commitc1dc2dc56801277d57a73f7ecc223fc87e2408af
tree97b755a1e6a8dabbb70e2a68ff4b6695dd162104
parentba63cef87ff8443c05fb38de7e98be894b01f80e
UPSTREAM: drm/rockchip: explain why we can't wait_for_vblanks

Change-Id: I073cf5b91554a293009a121845ac1bf3b6b3e6ce
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: John Keeping <john@metanate.com>
(cherry picked from commit c9ad1d9946e849ac3d8821d91e136d7fd728dec5)
drivers/gpu/drm/rockchip/rockchip_drm_fb.c