The prime fd to handle ioctl was not used with rockchip before. Support
was added in order to pass graphics_Gbm and to support potential uses
within Chrome OS (e.g. zero-copy video decode, camera).
Signed-off-by: NHaixia Shi <hshi@chromium.org>
Signed-off-by: NSean Paul <seanpaul@chromium.org>
Signed-off-by: NThierry Escande <thierry.escande@collabora.com>
Tested-by: NHeiko Stuebner <heiko@sntech.de>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20180130202913.28724-3-thierry.escande@collabora.com