drm: Replace drm_modeset_lock/unlock_all with DRM_MODESET_LOCK_ALL_* helpers

As suggested by the TODO list for the kernel DRM subsystem, replace
the deprecated functions that take/drop modeset locks with new helpers.

Signed-off-by: Michal Orzel <michalorzel.eng@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1588093804-30446-1-git-send-email-michalorzel.eng@gmail.com

diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
index 35c2719..901b078 100644 (file)
--- a/drivers/gpu/drm/drm_mode_object.c
+++ b/drivers/gpu/drm/drm_mode_object.c
@@ -402,12 +402,13 @@ int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
 {
        struct drm_mode_obj_get_properties *arg = data;
        struct drm_mode_object *obj;
+       struct drm_modeset_acquire_ctx ctx;
        int ret = 0;
 
        if (!drm_core_check_feature(dev, DRIVER_MODESET))
                return -EOPNOTSUPP;
 
-       drm_modeset_lock_all(dev);
+       DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
        obj = drm_mode_object_find(dev, file_priv, arg->obj_id, arg->obj_type);
        if (!obj) {
@@ -427,7 +428,7 @@ int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
 out_unref:
        drm_mode_object_put(obj);
 out:
-       drm_modeset_unlock_all(dev);
+       DRM_MODESET_LOCK_ALL_END(ctx, ret);
        return ret;
 }
 
@@ -449,12 +450,13 @@ static int set_property_legacy(struct drm_mode_object *obj,
 {
        struct drm_device *dev = prop->dev;
        struct drm_mode_object *ref;
+       struct drm_modeset_acquire_ctx ctx;
        int ret = -EINVAL;
 
        if (!drm_property_change_valid_get(prop, prop_value, &ref))
                return -EINVAL;
 
-       drm_modeset_lock_all(dev);
+       DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
        switch (obj->type) {
        case DRM_MODE_OBJECT_CONNECTOR:
                ret = drm_connector_set_obj_prop(obj, prop, prop_value);
@@ -468,7 +470,7 @@ static int set_property_legacy(struct drm_mode_object *obj,
                break;
        }
        drm_property_change_valid_put(prop, ref);
-       drm_modeset_unlock_all(dev);
+       DRM_MODESET_LOCK_ALL_END(ctx, ret);
 
        return ret;
 }