Re: [PATCH v2 7/9] drm/rockchip: Force disable all crtc when unload

From: jeffy
Date: Wed Apr 05 2017 - 06:26:16 EST


Hi Daniel,

On 04/03/2017 03:58 PM, Daniel Vetter wrote:
On Sat, Apr 1, 2017 at 1:35 PM, Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx> wrote:
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index a5d83cb..5dbf011 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -246,6 +246,7 @@ static void rockchip_drm_unbind(struct device *dev)
rockchip_drm_fbdev_fini(drm_dev);
drm_kms_helper_poll_fini(drm_dev);

+ drm_crtc_force_disable_all(drm_dev);

This will result in a WARN_ON in latest drm-next because rockchip is
atomic, and this helper is for legacy kms drivers. You want to use
drm_atomic_helper_shutdown here.
-Daniel

oops, thanx for the notice.