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path: root/drivers/gpu/drm/drm_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c368
1 files changed, 273 insertions, 95 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index aa76700..e8acc19 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -381,6 +381,8 @@ int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
if (ret)
goto out;
+ crtc->base.properties = &crtc->properties;
+
list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
dev->mode_config.num_crtc++;
@@ -480,6 +482,7 @@ int drm_connector_init(struct drm_device *dev,
if (ret)
goto out;
+ connector->base.properties = &connector->properties;
connector->dev = dev;
connector->funcs = funcs;
connector->connector_type = connector_type;
@@ -602,6 +605,7 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
if (ret)
goto out;
+ plane->base.properties = &plane->properties;
plane->dev = dev;
plane->funcs = funcs;
plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
@@ -1421,11 +1425,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
}
connector = obj_to_connector(obj);
- for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
- if (connector->property_ids[i] != 0) {
- props_count++;
- }
- }
+ props_count = connector->properties.count;
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
if (connector->encoder_ids[i] != 0) {
@@ -1478,21 +1478,19 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
copied = 0;
prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr);
prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr);
- for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
- if (connector->property_ids[i] != 0) {
- if (put_user(connector->property_ids[i],
- prop_ptr + copied)) {
- ret = -EFAULT;
- goto out;
- }
+ for (i = 0; i < connector->properties.count; i++) {
+ if (put_user(connector->properties.ids[i],
+ prop_ptr + copied)) {
+ ret = -EFAULT;
+ goto out;
+ }
- if (put_user(connector->property_values[i],
- prop_values + copied)) {
- ret = -EFAULT;
- goto out;
- }
- copied++;
+ if (put_user(connector->properties.values[i],
+ prop_values + copied)) {
+ ret = -EFAULT;
+ goto out;
}
+ copied++;
}
}
out_resp->count_props = props_count;
@@ -2712,6 +2710,34 @@ struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
}
EXPORT_SYMBOL(drm_property_create_enum);
+struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
+ int flags, const char *name,
+ const struct drm_prop_enum_list *props,
+ int num_values)
+{
+ struct drm_property *property;
+ int i, ret;
+
+ flags |= DRM_MODE_PROP_BITMASK;
+
+ property = drm_property_create(dev, flags, name, num_values);
+ if (!property)
+ return NULL;
+
+ for (i = 0; i < num_values; i++) {
+ ret = drm_property_add_enum(property, i,
+ props[i].type,
+ props[i].name);
+ if (ret) {
+ drm_property_destroy(dev, property);
+ return NULL;
+ }
+ }
+
+ return property;
+}
+EXPORT_SYMBOL(drm_property_create_bitmask);
+
struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
const char *name,
uint64_t min, uint64_t max)
@@ -2736,7 +2762,14 @@ int drm_property_add_enum(struct drm_property *property, int index,
{
struct drm_property_enum *prop_enum;
- if (!(property->flags & DRM_MODE_PROP_ENUM))
+ if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)))
+ return -EINVAL;
+
+ /*
+ * Bitmask enum properties have the additional constraint of values
+ * from 0 to 63
+ */
+ if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63))
return -EINVAL;
if (!list_empty(&property->enum_blob_list)) {
@@ -2780,60 +2813,78 @@ void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
}
EXPORT_SYMBOL(drm_property_destroy);
-int drm_connector_attach_property(struct drm_connector *connector,
+void drm_connector_attach_property(struct drm_connector *connector,
struct drm_property *property, uint64_t init_val)
{
- int i;
-
- for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
- if (connector->property_ids[i] == 0) {
- connector->property_ids[i] = property->base.id;
- connector->property_values[i] = init_val;
- break;
- }
- }
-
- if (i == DRM_CONNECTOR_MAX_PROPERTY)
- return -EINVAL;
- return 0;
+ drm_object_attach_property(&connector->base, property, init_val);
}
EXPORT_SYMBOL(drm_connector_attach_property);
int drm_connector_property_set_value(struct drm_connector *connector,
struct drm_property *property, uint64_t value)
{
+ return drm_object_property_set_value(&connector->base, property, value);
+}
+EXPORT_SYMBOL(drm_connector_property_set_value);
+
+int drm_connector_property_get_value(struct drm_connector *connector,
+ struct drm_property *property, uint64_t *val)
+{
+ return drm_object_property_get_value(&connector->base, property, val);
+}
+EXPORT_SYMBOL(drm_connector_property_get_value);
+
+void drm_object_attach_property(struct drm_mode_object *obj,
+ struct drm_property *property,
+ uint64_t init_val)
+{
+ int count = obj->properties->count;
+
+ if (count == DRM_OBJECT_MAX_PROPERTY) {
+ WARN(1, "Failed to attach object property (type: 0x%x). Please "
+ "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time "
+ "you see this message on the same object type.\n",
+ obj->type);
+ return;
+ }
+
+ obj->properties->ids[count] = property->base.id;
+ obj->properties->values[count] = init_val;
+ obj->properties->count++;
+}
+EXPORT_SYMBOL(drm_object_attach_property);
+
+int drm_object_property_set_value(struct drm_mode_object *obj,
+ struct drm_property *property, uint64_t val)
+{
int i;
- for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
- if (connector->property_ids[i] == property->base.id) {
- connector->property_values[i] = value;
- break;
+ for (i = 0; i < obj->properties->count; i++) {
+ if (obj->properties->ids[i] == property->base.id) {
+ obj->properties->values[i] = val;
+ return 0;
}
}
- if (i == DRM_CONNECTOR_MAX_PROPERTY)
- return -EINVAL;
- return 0;
+ return -EINVAL;
}
-EXPORT_SYMBOL(drm_connector_property_set_value);
+EXPORT_SYMBOL(drm_object_property_set_value);
-int drm_connector_property_get_value(struct drm_connector *connector,
+int drm_object_property_get_value(struct drm_mode_object *obj,
struct drm_property *property, uint64_t *val)
{
int i;
- for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
- if (connector->property_ids[i] == property->base.id) {
- *val = connector->property_values[i];
- break;
+ for (i = 0; i < obj->properties->count; i++) {
+ if (obj->properties->ids[i] == property->base.id) {
+ *val = obj->properties->values[i];
+ return 0;
}
}
- if (i == DRM_CONNECTOR_MAX_PROPERTY)
- return -EINVAL;
- return 0;
+ return -EINVAL;
}
-EXPORT_SYMBOL(drm_connector_property_get_value);
+EXPORT_SYMBOL(drm_object_property_get_value);
int drm_mode_getproperty_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
@@ -2864,7 +2915,7 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev,
}
property = obj_to_property(obj);
- if (property->flags & DRM_MODE_PROP_ENUM) {
+ if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) {
list_for_each_entry(prop_enum, &property->enum_blob_list, head)
enum_count++;
} else if (property->flags & DRM_MODE_PROP_BLOB) {
@@ -2889,7 +2940,7 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev,
}
out_resp->count_values = value_count;
- if (property->flags & DRM_MODE_PROP_ENUM) {
+ if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) {
if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
copied = 0;
enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr;
@@ -3035,75 +3086,202 @@ int drm_mode_connector_update_edid_property(struct drm_connector *connector,
}
EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
+static bool drm_property_change_is_valid(struct drm_property *property,
+ __u64 value)
+{
+ if (property->flags & DRM_MODE_PROP_IMMUTABLE)
+ return false;
+ if (property->flags & DRM_MODE_PROP_RANGE) {
+ if (value < property->values[0] || value > property->values[1])
+ return false;
+ return true;
+ } else if (property->flags & DRM_MODE_PROP_BITMASK) {
+ int i;
+ __u64 valid_mask = 0;
+ for (i = 0; i < property->num_values; i++)
+ valid_mask |= (1ULL << property->values[i]);
+ return !(value & ~valid_mask);
+ } else {
+ int i;
+ for (i = 0; i < property->num_values; i++)
+ if (property->values[i] == value)
+ return true;
+ return false;
+ }
+}
+
int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{
- struct drm_mode_connector_set_property *out_resp = data;
- struct drm_mode_object *obj;
- struct drm_property *property;
- struct drm_connector *connector;
+ struct drm_mode_connector_set_property *conn_set_prop = data;
+ struct drm_mode_obj_set_property obj_set_prop = {
+ .value = conn_set_prop->value,
+ .prop_id = conn_set_prop->prop_id,
+ .obj_id = conn_set_prop->connector_id,
+ .obj_type = DRM_MODE_OBJECT_CONNECTOR
+ };
+
+ /* It does all the locking and checking we need */
+ return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv);
+}
+
+static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj,
+ struct drm_property *property,
+ uint64_t value)
+{
+ int ret = -EINVAL;
+ struct drm_connector *connector = obj_to_connector(obj);
+
+ /* Do DPMS ourselves */
+ if (property == connector->dev->mode_config.dpms_property) {
+ if (connector->funcs->dpms)
+ (*connector->funcs->dpms)(connector, (int)value);
+ ret = 0;
+ } else if (connector->funcs->set_property)
+ ret = connector->funcs->set_property(connector, property, value);
+
+ /* store the property value if successful */
+ if (!ret)
+ drm_connector_property_set_value(connector, property, value);
+ return ret;
+}
+
+static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
+ struct drm_property *property,
+ uint64_t value)
+{
+ int ret = -EINVAL;
+ struct drm_crtc *crtc = obj_to_crtc(obj);
+
+ if (crtc->funcs->set_property)
+ ret = crtc->funcs->set_property(crtc, property, value);
+ if (!ret)
+ drm_object_property_set_value(obj, property, value);
+
+ return ret;
+}
+
+static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj,
+ struct drm_property *property,
+ uint64_t value)
+{
int ret = -EINVAL;
+ struct drm_plane *plane = obj_to_plane(obj);
+
+ if (plane->funcs->set_property)
+ ret = plane->funcs->set_property(plane, property, value);
+ if (!ret)
+ drm_object_property_set_value(obj, property, value);
+
+ return ret;
+}
+
+int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_mode_obj_get_properties *arg = data;
+ struct drm_mode_object *obj;
+ int ret = 0;
int i;
+ int copied = 0;
+ int props_count = 0;
+ uint32_t __user *props_ptr;
+ uint64_t __user *prop_values_ptr;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
mutex_lock(&dev->mode_config.mutex);
- obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
+ obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type);
if (!obj) {
+ ret = -EINVAL;
+ goto out;
+ }
+ if (!obj->properties) {
+ ret = -EINVAL;
goto out;
}
- connector = obj_to_connector(obj);
- for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
- if (connector->property_ids[i] == out_resp->prop_id)
- break;
+ props_count = obj->properties->count;
+
+ /* This ioctl is called twice, once to determine how much space is
+ * needed, and the 2nd time to fill it. */
+ if ((arg->count_props >= props_count) && props_count) {
+ copied = 0;
+ props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr);
+ prop_values_ptr = (uint64_t __user *)(unsigned long)
+ (arg->prop_values_ptr);
+ for (i = 0; i < props_count; i++) {
+ if (put_user(obj->properties->ids[i],
+ props_ptr + copied)) {
+ ret = -EFAULT;
+ goto out;
+ }
+ if (put_user(obj->properties->values[i],
+ prop_values_ptr + copied)) {
+ ret = -EFAULT;
+ goto out;
+ }
+ copied++;
+ }
}
+ arg->count_props = props_count;
+out:
+ mutex_unlock(&dev->mode_config.mutex);
+ return ret;
+}
+
+int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_mode_obj_set_property *arg = data;
+ struct drm_mode_object *arg_obj;
+ struct drm_mode_object *prop_obj;
+ struct drm_property *property;
+ int ret = -EINVAL;
+ int i;
- if (i == DRM_CONNECTOR_MAX_PROPERTY) {
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
+ mutex_lock(&dev->mode_config.mutex);
+
+ arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type);
+ if (!arg_obj)
+ goto out;
+ if (!arg_obj->properties)
goto out;
- }
- obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
- if (!obj) {
+ for (i = 0; i < arg_obj->properties->count; i++)
+ if (arg_obj->properties->ids[i] == arg->prop_id)
+ break;
+
+ if (i == arg_obj->properties->count)
goto out;
- }
- property = obj_to_property(obj);
- if (property->flags & DRM_MODE_PROP_IMMUTABLE)
+ prop_obj = drm_mode_object_find(dev, arg->prop_id,
+ DRM_MODE_OBJECT_PROPERTY);
+ if (!prop_obj)
goto out;
+ property = obj_to_property(prop_obj);
- if (property->flags & DRM_MODE_PROP_RANGE) {
- if (out_resp->value < property->values[0])
- goto out;
+ if (!drm_property_change_is_valid(property, arg->value))
+ goto out;
- if (out_resp->value > property->values[1])
- goto out;
- } else {
- int found = 0;
- for (i = 0; i < property->num_values; i++) {
- if (property->values[i] == out_resp->value) {
- found = 1;
- break;
- }
- }
- if (!found) {
- goto out;
- }
+ switch (arg_obj->type) {
+ case DRM_MODE_OBJECT_CONNECTOR:
+ ret = drm_mode_connector_set_obj_prop(arg_obj, property,
+ arg->value);
+ break;
+ case DRM_MODE_OBJECT_CRTC:
+ ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value);
+ break;
+ case DRM_MODE_OBJECT_PLANE:
+ ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value);
+ break;
}
- /* Do DPMS ourselves */
- if (property == connector->dev->mode_config.dpms_property) {
- if (connector->funcs->dpms)
- (*connector->funcs->dpms)(connector, (int) out_resp->value);
- ret = 0;
- } else if (connector->funcs->set_property)
- ret = connector->funcs->set_property(connector, property, out_resp->value);
-
- /* store the property value if successful */
- if (!ret)
- drm_connector_property_set_value(connector, property, out_resp->value);
out:
mutex_unlock(&dev->mode_config.mutex);
return ret;