drm/rockchip: vop: split dclk_pol from pin_pol
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / drm_crtc.c
index 29d13ef24996f87feb2f9e16d232487d189531d6..8aa49693c27bf39e17d13828b1ee3a2ba86a175b 100644 (file)
@@ -170,6 +170,9 @@ static struct drm_conn_prop_enum_list drm_connector_enum_list[] = {
        { DRM_MODE_CONNECTOR_DSI, "DSI" },
 };
 
+DRM_ENUM_NAME_FN(drm_get_connector_name, drm_connector_enum_list)
+EXPORT_SYMBOL(drm_get_connector_name);
+
 static const struct drm_prop_enum_list drm_encoder_enum_list[] = {
        { DRM_MODE_ENCODER_NONE, "None" },
        { DRM_MODE_ENCODER_DAC, "DAC" },
@@ -649,6 +652,31 @@ EXPORT_SYMBOL(drm_framebuffer_remove);
 
 DEFINE_WW_CLASS(crtc_ww_class);
 
+static int drm_crtc_register_all(struct drm_device *dev)
+{
+       struct drm_crtc *crtc;
+       int ret = 0;
+
+       drm_for_each_crtc(crtc, dev) {
+               if (crtc->funcs->late_register)
+                       ret = crtc->funcs->late_register(crtc);
+               if (ret)
+                       return ret;
+       }
+
+       return 0;
+}
+
+static void drm_crtc_unregister_all(struct drm_device *dev)
+{
+       struct drm_crtc *crtc;
+
+       drm_for_each_crtc(crtc, dev) {
+               if (crtc->funcs->early_unregister)
+                       crtc->funcs->early_unregister(crtc);
+       }
+}
+
 /**
  * drm_crtc_init_with_planes - Initialise a new CRTC object with
  *    specified primary and cursor planes.
@@ -1030,11 +1058,22 @@ int drm_connector_register(struct drm_connector *connector)
 
        ret = drm_debugfs_connector_add(connector);
        if (ret) {
-               drm_sysfs_connector_remove(connector);
-               return ret;
+               goto err_sysfs;
+       }
+
+       if (connector->funcs->late_register) {
+               ret = connector->funcs->late_register(connector);
+               if (ret)
+                       goto err_debugfs;
        }
 
        return 0;
+
+err_debugfs:
+       drm_debugfs_connector_remove(connector);
+err_sysfs:
+       drm_sysfs_connector_remove(connector);
+       return ret;
 }
 EXPORT_SYMBOL(drm_connector_register);
 
@@ -1046,30 +1085,96 @@ EXPORT_SYMBOL(drm_connector_register);
  */
 void drm_connector_unregister(struct drm_connector *connector)
 {
+       if (connector->funcs->early_unregister)
+               connector->funcs->early_unregister(connector);
+
        drm_sysfs_connector_remove(connector);
        drm_debugfs_connector_remove(connector);
 }
 EXPORT_SYMBOL(drm_connector_unregister);
 
+/**
+ * drm_connector_register_all - register all connectors
+ * @dev: drm device
+ *
+ * This function registers all connectors in sysfs and other places so that
+ * userspace can start to access them. drm_connector_register_all() is called
+ * automatically from drm_dev_register() to complete the device registration,
+ * if they don't call drm_connector_register() on each connector individually.
+ *
+ * When a device is unplugged and should be removed from userspace access,
+ * call drm_connector_unregister_all(), which is the inverse of this
+ * function.
+ *
+ * Returns:
+ * Zero on success, error code on failure.
+ */
+int drm_connector_register_all(struct drm_device *dev)
+{
+       struct drm_connector *connector;
+       int ret;
+
+       /* FIXME: taking the mode config mutex ends up in a clash with
+        * fbcon/backlight registration */
+       list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+               ret = drm_connector_register(connector);
+               if (ret)
+                       goto err;
+       }
+
+       return 0;
+
+err:
+       mutex_unlock(&dev->mode_config.mutex);
+       drm_connector_unregister_all(dev);
+       return ret;
+}
+EXPORT_SYMBOL(drm_connector_register_all);
 
 /**
- * drm_connector_unplug_all - unregister connector userspace interfaces
+ * drm_connector_unregister_all - unregister connector userspace interfaces
  * @dev: drm device
  *
- * This function unregisters all connector userspace interfaces in sysfs. Should
- * be call when the device is disconnected, e.g. from an usb driver's
- * ->disconnect callback.
+ * This functions unregisters all connectors from sysfs and other places so
+ * that userspace can no longer access them. Drivers should call this as the
+ * first step tearing down the device instace, or when the underlying
+ * physical device disappeared (e.g. USB unplug), right before calling
+ * drm_dev_unregister().
  */
-void drm_connector_unplug_all(struct drm_device *dev)
+void drm_connector_unregister_all(struct drm_device *dev)
 {
        struct drm_connector *connector;
 
        /* FIXME: taking the mode config mutex ends up in a clash with sysfs */
-       list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+       drm_for_each_connector(connector, dev)
                drm_connector_unregister(connector);
+}
+EXPORT_SYMBOL(drm_connector_unregister_all);
 
+static int drm_encoder_register_all(struct drm_device *dev)
+{
+       struct drm_encoder *encoder;
+       int ret = 0;
+
+       drm_for_each_encoder(encoder, dev) {
+               if (encoder->funcs->late_register)
+                       ret = encoder->funcs->late_register(encoder);
+               if (ret)
+                       return ret;
+       }
+
+       return 0;
+}
+
+static void drm_encoder_unregister_all(struct drm_device *dev)
+{
+       struct drm_encoder *encoder;
+
+       drm_for_each_encoder(encoder, dev) {
+               if (encoder->funcs->early_unregister)
+                       encoder->funcs->early_unregister(encoder);
+       }
 }
-EXPORT_SYMBOL(drm_connector_unplug_all);
 
 /**
  * drm_encoder_init - Init a preallocated encoder
@@ -1218,6 +1323,31 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane,
 }
 EXPORT_SYMBOL(drm_universal_plane_init);
 
+static int drm_plane_register_all(struct drm_device *dev)
+{
+       struct drm_plane *plane;
+       int ret = 0;
+
+       drm_for_each_plane(plane, dev) {
+               if (plane->funcs->late_register)
+                       ret = plane->funcs->late_register(plane);
+               if (ret)
+                       return ret;
+       }
+
+       return 0;
+}
+
+static void drm_plane_unregister_all(struct drm_device *dev)
+{
+       struct drm_plane *plane;
+
+       drm_for_each_plane(plane, dev) {
+               if (plane->funcs->early_unregister)
+                       plane->funcs->early_unregister(plane);
+       }
+}
+
 /**
  * drm_plane_init - Initialize a legacy plane
  * @dev: DRM device
@@ -1453,6 +1583,46 @@ void drm_plane_force_disable(struct drm_plane *plane)
 }
 EXPORT_SYMBOL(drm_plane_force_disable);
 
+int drm_modeset_register_all(struct drm_device *dev)
+{
+       int ret;
+
+       ret = drm_plane_register_all(dev);
+       if (ret)
+               goto err_plane;
+
+       ret = drm_crtc_register_all(dev);
+       if  (ret)
+               goto err_crtc;
+
+       ret = drm_encoder_register_all(dev);
+       if (ret)
+               goto err_encoder;
+
+       ret = drm_connector_register_all(dev);
+       if (ret)
+               goto err_connector;
+
+       return 0;
+
+err_connector:
+       drm_encoder_unregister_all(dev);
+err_encoder:
+       drm_crtc_unregister_all(dev);
+err_crtc:
+       drm_plane_unregister_all(dev);
+err_plane:
+       return ret;
+}
+
+void drm_modeset_unregister_all(struct drm_device *dev)
+{
+       drm_connector_unregister_all(dev);
+       drm_encoder_unregister_all(dev);
+       drm_crtc_unregister_all(dev);
+       drm_plane_unregister_all(dev);
+}
+
 static int drm_mode_create_standard_properties(struct drm_device *dev)
 {
        struct drm_property *prop;
@@ -1582,6 +1752,41 @@ static int drm_mode_create_standard_properties(struct drm_device *dev)
                return -ENOMEM;
        dev->mode_config.prop_mode_id = prop;
 
+       prop = drm_property_create(dev,
+                       DRM_MODE_PROP_BLOB,
+                       "DEGAMMA_LUT", 0);
+       if (!prop)
+               return -ENOMEM;
+       dev->mode_config.degamma_lut_property = prop;
+
+       prop = drm_property_create_range(dev,
+                       DRM_MODE_PROP_IMMUTABLE,
+                       "DEGAMMA_LUT_SIZE", 0, UINT_MAX);
+       if (!prop)
+               return -ENOMEM;
+       dev->mode_config.degamma_lut_size_property = prop;
+
+       prop = drm_property_create(dev,
+                       DRM_MODE_PROP_BLOB,
+                       "CTM", 0);
+       if (!prop)
+               return -ENOMEM;
+       dev->mode_config.ctm_property = prop;
+
+       prop = drm_property_create(dev,
+                       DRM_MODE_PROP_BLOB,
+                       "GAMMA_LUT", 0);
+       if (!prop)
+               return -ENOMEM;
+       dev->mode_config.gamma_lut_property = prop;
+
+       prop = drm_property_create_range(dev,
+                       DRM_MODE_PROP_IMMUTABLE,
+                       "GAMMA_LUT_SIZE", 0, UINT_MAX);
+       if (!prop)
+               return -ENOMEM;
+       dev->mode_config.gamma_lut_size_property = prop;
+
        return 0;
 }
 
@@ -3233,6 +3438,12 @@ static int format_check(const struct drm_mode_fb_cmd2 *r)
        case DRM_FORMAT_NV61:
        case DRM_FORMAT_NV24:
        case DRM_FORMAT_NV42:
+       case DRM_FORMAT_NV12_10:
+       case DRM_FORMAT_NV21_10:
+       case DRM_FORMAT_NV16_10:
+       case DRM_FORMAT_NV61_10:
+       case DRM_FORMAT_NV24_10:
+       case DRM_FORMAT_NV42_10:
        case DRM_FORMAT_YUV410:
        case DRM_FORMAT_YVU410:
        case DRM_FORMAT_YUV411:
@@ -3279,20 +3490,20 @@ static int framebuffer_check(const struct drm_mode_fb_cmd2 *r)
        for (i = 0; i < num_planes; i++) {
                unsigned int width = r->width / (i != 0 ? hsub : 1);
                unsigned int height = r->height / (i != 0 ? vsub : 1);
-               unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i);
+               unsigned int bpp = drm_format_plane_bpp(r->pixel_format, i);
 
                if (!r->handles[i]) {
                        DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i);
                        return -EINVAL;
                }
 
-               if ((uint64_t) width * cpp > UINT_MAX)
+               if ((uint64_t) width * bpp / 8 > UINT_MAX)
                        return -ERANGE;
 
                if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX)
                        return -ERANGE;
 
-               if (r->pitches[i] < width * cpp) {
+               if (r->pitches[i] < roundup(width * bpp, 8) / 8) {
                        DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i);
                        return -EINVAL;
                }
@@ -5716,6 +5927,12 @@ int drm_format_num_planes(uint32_t format)
        case DRM_FORMAT_NV61:
        case DRM_FORMAT_NV24:
        case DRM_FORMAT_NV42:
+       case DRM_FORMAT_NV12_10:
+       case DRM_FORMAT_NV21_10:
+       case DRM_FORMAT_NV16_10:
+       case DRM_FORMAT_NV61_10:
+       case DRM_FORMAT_NV24_10:
+       case DRM_FORMAT_NV42_10:
                return 2;
        default:
                return 1;
@@ -5724,14 +5941,14 @@ int drm_format_num_planes(uint32_t format)
 EXPORT_SYMBOL(drm_format_num_planes);
 
 /**
- * drm_format_plane_cpp - determine the bytes per pixel value
+ * drm_format_plane_bpp - get the bpp for format
  * @format: pixel format (DRM_FORMAT_*)
  * @plane: plane index
  *
  * Returns:
- * The bytes per pixel value for the specified plane.
+ * The bpp for the specified plane.
  */
-int drm_format_plane_cpp(uint32_t format, int plane)
+int drm_format_plane_bpp(uint32_t format, int plane)
 {
        unsigned int depth;
        int bpp;
@@ -5744,14 +5961,21 @@ int drm_format_plane_cpp(uint32_t format, int plane)
        case DRM_FORMAT_YVYU:
        case DRM_FORMAT_UYVY:
        case DRM_FORMAT_VYUY:
-               return 2;
+               return 16;
+       case DRM_FORMAT_NV12_10:
+       case DRM_FORMAT_NV21_10:
+       case DRM_FORMAT_NV16_10:
+       case DRM_FORMAT_NV61_10:
+       case DRM_FORMAT_NV24_10:
+       case DRM_FORMAT_NV42_10:
+               return plane ? 20 : 10;
        case DRM_FORMAT_NV12:
        case DRM_FORMAT_NV21:
        case DRM_FORMAT_NV16:
        case DRM_FORMAT_NV61:
        case DRM_FORMAT_NV24:
        case DRM_FORMAT_NV42:
-               return plane ? 2 : 1;
+               return plane ? 16 : 8;
        case DRM_FORMAT_YUV410:
        case DRM_FORMAT_YVU410:
        case DRM_FORMAT_YUV411:
@@ -5762,12 +5986,26 @@ int drm_format_plane_cpp(uint32_t format, int plane)
        case DRM_FORMAT_YVU422:
        case DRM_FORMAT_YUV444:
        case DRM_FORMAT_YVU444:
-               return 1;
+               return 8;
        default:
                drm_fb_get_bpp_depth(format, &depth, &bpp);
-               return bpp >> 3;
+               return bpp;
        }
 }
+EXPORT_SYMBOL(drm_format_plane_bpp);
+
+/**
+ * drm_format_plane_cpp - determine the bytes per pixel value
+ * @format: pixel format (DRM_FORMAT_*)
+ * @plane: plane index
+ *
+ * Returns:
+ * The bytes per pixel value for the specified plane.
+ */
+int drm_format_plane_cpp(uint32_t format, int plane)
+{
+       return drm_format_plane_bpp(format, plane) >> 3;
+}
 EXPORT_SYMBOL(drm_format_plane_cpp);
 
 /**
@@ -5794,6 +6032,10 @@ int drm_format_horz_chroma_subsampling(uint32_t format)
        case DRM_FORMAT_NV21:
        case DRM_FORMAT_NV16:
        case DRM_FORMAT_NV61:
+       case DRM_FORMAT_NV12_10:
+       case DRM_FORMAT_NV21_10:
+       case DRM_FORMAT_NV16_10:
+       case DRM_FORMAT_NV61_10:
        case DRM_FORMAT_YUV422:
        case DRM_FORMAT_YVU422:
        case DRM_FORMAT_YUV420:
@@ -5822,7 +6064,9 @@ int drm_format_vert_chroma_subsampling(uint32_t format)
        case DRM_FORMAT_YUV420:
        case DRM_FORMAT_YVU420:
        case DRM_FORMAT_NV12:
+       case DRM_FORMAT_NV12_10:
        case DRM_FORMAT_NV21:
+       case DRM_FORMAT_NV21_10:
                return 2;
        default:
                return 1;