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authorDave Airlie <airlied@redhat.com>2015-01-28 09:34:27 +1000
committerDave Airlie <airlied@redhat.com>2015-01-28 09:34:27 +1000
commit21773f16f2cb3c056051c679da542f0b494252e2 (patch)
tree362e701c962f8a78978775ff3e4093b490ee0cd1 /drivers/gpu/drm/drm_crtc.c
parent2f5b4ef15c60bc5292a3f006c018acb3da53737b (diff)
parent9469244d869623e8b54d9f3d4d00737e377af273 (diff)
downloadlinux-21773f16f2cb3c056051c679da542f0b494252e2.tar.bz2
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
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c76
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