Merge tag 'topic/atomic-core-2015-01-27' of git://anongit.freedesktop.org/drm-intel into drm-next

* tag 'topic/atomic-core-2015-01-27' of git://anongit.freedesktop.org/drm-intel:
  drm/atomic: Fix potential use of state after free
  drm/atomic-helper: debug output for modesets
  drm/atomic-helpers: Saner encoder/crtc callbacks
  drm/atomic-helpers: Recover full cursor plane behaviour
  drm/atomic-helper: add connector->dpms() implementation
  drm/atomic: Add drm_crtc_state->active
  drm: Add standardized boolean props
  drm/plane-helper: Fix transitional helper kerneldocs
  drm/plane-helper: Skip prepare_fb/cleanup_fb when newfb==oldfb

Conflicts:
	include/drm/drm_crtc_helper.h

1 files changed, 73 insertions, 3 deletions

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index ad2934ba0bd2..b459888f6310 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -691,6 +691,10 @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc,
         if (cursor)
                 cursor->possible_crtcs = 1 << drm_crtc_index(crtc);
 
+        if (drm_core_check_feature(dev, DRIVER_ATOMIC)) {
+                drm_object_attach_property(&crtc->base, config->prop_active, 0);
+        }
+
         return 0;
 }
 EXPORT_SYMBOL(drm_crtc_init_with_planes);
@@ -1481,6 +1485,12 @@ static int drm_mode_create_standard_properties(struct drm_device *dev)
                 return -ENOMEM;
         dev->mode_config.prop_crtc_id = prop;
 
+        prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC,
+                        "ACTIVE");
+        if (!prop)
+                return -ENOMEM;
+        dev->mode_config.prop_active = prop;
+
         return 0;
 }
 
@@ -3810,7 +3820,7 @@ static struct drm_property *property_create_range(struct drm_device *dev,
 }
 
 /**
- * drm_property_create_range - create a new ranged property type
+ * drm_property_create_range - create a new unsigned ranged property type
  * @dev: drm device
  * @flags: flags specifying the property type
  * @name: name of the property
@@ -3821,8 +3831,8 @@ static struct drm_property *property_create_range(struct drm_device *dev,
  * object with drm_object_attach_property. The returned property object must be
  * freed with drm_property_destroy.
  *
- * Userspace is allowed to set any integer value in the (min, max) range
- * inclusive.
+ * Userspace is allowed to set any unsigned integer value in the (min, max)
+ * range inclusive.
  *
  * Returns:
  * A pointer to the newly created property on success, NULL on failure.
@@ -3836,6 +3846,24 @@ struct drm_property *drm_property_create_range(struct drm_device *dev, int flags
 }
 EXPORT_SYMBOL(drm_property_create_range);
 
+/**
+ * drm_property_create_signed_range - create a new signed ranged property type
+ * @dev: drm device
+ * @flags: flags specifying the property type
+ * @name: name of the property
+ * @min: minimum value of the property
+ * @max: maximum value of the property
+ *
+ * This creates a new generic drm property which can then be attached to a drm
+ * object with drm_object_attach_property. The returned property object must be
+ * freed with drm_property_destroy.
+ *
+ * Userspace is allowed to set any signed integer value in the (min, max)
+ * range inclusive.
+ *
+ * Returns:
+ * A pointer to the newly created property on success, NULL on failure.
+ */
 struct drm_property *drm_property_create_signed_range(struct drm_device *dev,
                                          int flags, const char *name,
                                          int64_t min, int64_t max)
@@ -3845,6 +3873,23 @@ struct drm_property *drm_property_create_signed_range(struct drm_device *dev,
 }
 EXPORT_SYMBOL(drm_property_create_signed_range);
 
+/**
+ * drm_property_create_object - create a new object property type
+ * @dev: drm device
+ * @flags: flags specifying the property type
+ * @name: name of the property
+ * @type: object type from DRM_MODE_OBJECT_* defines
+ *
+ * This creates a new generic drm property which can then be attached to a drm
+ * object with drm_object_attach_property. The returned property object must be
+ * freed with drm_property_destroy.
+ *
+ * Userspace is only allowed to set this to any property value of the given
+ * @type. Only useful for atomic properties, which is enforced.
+ *
+ * Returns:
+ * A pointer to the newly created property on success, NULL on failure.
+ */
 struct drm_property *drm_property_create_object(struct drm_device *dev,
                                          int flags, const char *name, uint32_t type)
 {
@@ -3852,6 +3897,9 @@ struct drm_property *drm_property_create_object(struct drm_device *dev,
 
         flags |= DRM_MODE_PROP_OBJECT;
 
+        if (WARN_ON(!(flags & DRM_MODE_PROP_ATOMIC)))
+                return NULL;
+
         property = drm_property_create(dev, flags, name, 1);
         if (!property)
                 return NULL;
@@ -3863,6 +3911,28 @@ struct drm_property *drm_property_create_object(struct drm_device *dev,
 EXPORT_SYMBOL(drm_property_create_object);
 
 /**
+ * drm_property_create_bool - create a new boolean property type
+ * @dev: drm device
+ * @flags: flags specifying the property type
+ * @name: name of the property
+ *
+ * This creates a new generic drm property which can then be attached to a drm
+ * object with drm_object_attach_property. The returned property object must be
+ * freed with drm_property_destroy.
+ *
+ * This is implemented as a ranged property with only {0, 1} as valid values.
+ *
+ * Returns:
+ * A pointer to the newly created property on success, NULL on failure.
+ */
+struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags,
+                                         const char *name)
+{
+        return drm_property_create_range(dev, flags, name, 0, 1);
+}
+EXPORT_SYMBOL(drm_property_create_bool);
+
+/**
  * drm_property_add_enum - add a possible value to an enumeration property
  * @property: enumeration property to change
  * @index: index of the new enumeration