On Wed, Oct 03, 2018 at 11:16:44AM +0200, Daniel Vetter wrote:
> drm_plane_helper_disable is a non-atomic drivers only function, and
> will blow up (since no one passes the locking context it needs).
>
> Atomic drivers which want to quiescent their hw on unload should
> use drm_atomic_helper_shutdown() instead.
lgtm
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Rob Clark <robdclark@xxxxxxxxx>
> Cc: Rajesh Yadav <ryadav@xxxxxxxxxxxxxx>
> Cc: Chandan Uddaraju <chandanu@xxxxxxxxxxxxxx>
> Cc: Archit Taneja <architt@xxxxxxxxxxxxxx>
> Cc: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>
> Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Sinclair Yeh <syeh@xxxxxxxxxx>
> Cc: "Ville Syrjälä" <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
> Cc: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: linux-arm-msm@xxxxxxxxxxxxxxx
> Cc: freedreno@xxxxxxxxxxxxxxxxxxxxx
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 2 --
> drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c | 1 -
> drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c | 1 -
> drivers/gpu/drm/msm/msm_drv.c | 1 +
> 4 files changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> index 015341e2dd4c..ec959f847d5f 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> @@ -1482,8 +1482,6 @@ static void dpu_plane_destroy(struct drm_plane *plane)
>
> mutex_destroy(&pdpu->lock);
>
> - drm_plane_helper_disable(plane, NULL);
> -
> /* this will destroy the states as well */
> drm_plane_cleanup(plane);
>
> diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
> index 79ff653d8081..7a499731ce93 100644
> --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
> +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
> @@ -68,7 +68,6 @@ static void mdp4_plane_destroy(struct drm_plane *plane)
> {
> struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
>
> - drm_plane_helper_disable(plane, NULL);
> drm_plane_cleanup(plane);
>
> kfree(mdp4_plane);
> diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
> index 7d306c5acd09..d5e4f0de321a 100644
> --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
> +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
> @@ -46,7 +46,6 @@ static void mdp5_plane_destroy(struct drm_plane *plane)
> {
> struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
>
> - drm_plane_helper_disable(plane, NULL);
> drm_plane_cleanup(plane);
>
> kfree(mdp5_plane);
> diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
> index c1abad8a8612..69dbdba183fe 100644
> --- a/drivers/gpu/drm/msm/msm_drv.c
> +++ b/drivers/gpu/drm/msm/msm_drv.c
> @@ -312,6 +312,7 @@ static int msm_drm_uninit(struct device *dev)
> if (fbdev && priv->fbdev)
> msm_fbdev_free(ddev);
> #endif
> + drm_atomic_helper_shutdown(ddev);
> drm_mode_config_cleanup(ddev);
>
> pm_runtime_get_sync(dev);
> --
> 2.19.0.rc2
--
Ville Syrjälä
Intel
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