[PATCH v5 04/36] drm/rockchip: add mutex vop lock

[Heiko Stübner]

Am Freitag, 9. März 2018, 23:22:55 CET schrieb Enric Balletbo i Serra:
> From: zain wang <wzz at rock-chips.com>
> 
> Add a lock to vop to avoid disabling the crtc while waiting for a line
> flag while enabling psr. If we disable in the middle of waiting for the
> line flag, we'll end up timing out or worse.
> 
> Signed-off-by: zain wang <wzz at rock-chips.com>
> Signed-off-by: Sean Paul <seanpaul at chromium.org>
> Signed-off-by: Thierry Escande <thierry.escande at collabora.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo at collabora.com>
> Tested-by: Marek Szyprowski <m.szyprowski at samsung.com>

Reviewed-by: Heiko Stuebner <heiko at sntech.de>