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path: root/drivers/gpu/drm/radeon/radeon_connectors.c
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-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c603
1 files changed, 603 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
new file mode 100644
index 000000000000..70ede6a52d4e
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -0,0 +1,603 @@
+/*
+ * Copyright 2007-8 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ * Alex Deucher
+ */
+#include "drmP.h"
+#include "drm_edid.h"
+#include "drm_crtc_helper.h"
+#include "radeon_drm.h"
+#include "radeon.h"
+
+extern void
+radeon_combios_connected_scratch_regs(struct drm_connector *connector,
+ struct drm_encoder *encoder,
+ bool connected);
+extern void
+radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
+ struct drm_encoder *encoder,
+ bool connected);
+
+static void
+radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
+{
+ struct drm_device *dev = connector->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_encoder *best_encoder = NULL;
+ struct drm_encoder *encoder = NULL;
+ struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
+ struct drm_mode_object *obj;
+ bool connected;
+ int i;
+
+ best_encoder = connector_funcs->best_encoder(connector);
+
+ for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+ if (connector->encoder_ids[i] == 0)
+ break;
+
+ obj = drm_mode_object_find(connector->dev,
+ connector->encoder_ids[i],
+ DRM_MODE_OBJECT_ENCODER);
+ if (!obj)
+ continue;
+
+ encoder = obj_to_encoder(obj);
+
+ if ((encoder == best_encoder) && (status == connector_status_connected))
+ connected = true;
+ else
+ connected = false;
+
+ if (rdev->is_atom_bios)
+ radeon_atombios_connected_scratch_regs(connector, encoder, connected);
+ else
+ radeon_combios_connected_scratch_regs(connector, encoder, connected);
+
+ }
+}
+
+struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
+{
+ int enc_id = connector->encoder_ids[0];
+ struct drm_mode_object *obj;
+ struct drm_encoder *encoder;
+
+ /* pick the encoder ids */
+ if (enc_id) {
+ obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
+ if (!obj)
+ return NULL;
+ encoder = obj_to_encoder(obj);
+ return encoder;
+ }
+ return NULL;
+}
+
+static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_display_mode *mode = NULL;
+ struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
+
+ if (native_mode->panel_xres != 0 &&
+ native_mode->panel_yres != 0 &&
+ native_mode->dotclock != 0) {
+ mode = drm_mode_create(dev);
+
+ mode->hdisplay = native_mode->panel_xres;
+ mode->vdisplay = native_mode->panel_yres;
+
+ mode->htotal = mode->hdisplay + native_mode->hblank;
+ mode->hsync_start = mode->hdisplay + native_mode->hoverplus;
+ mode->hsync_end = mode->hsync_start + native_mode->hsync_width;
+ mode->vtotal = mode->vdisplay + native_mode->vblank;
+ mode->vsync_start = mode->vdisplay + native_mode->voverplus;
+ mode->vsync_end = mode->vsync_start + native_mode->vsync_width;
+ mode->clock = native_mode->dotclock;
+ mode->flags = 0;
+
+ mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
+ drm_mode_set_name(mode);
+
+ DRM_DEBUG("Adding native panel mode %s\n", mode->name);
+ }
+ return mode;
+}
+
+int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
+ uint64_t val)
+{
+ return 0;
+}
+
+
+static int radeon_lvds_get_modes(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct drm_encoder *encoder;
+ int ret = 0;
+ struct drm_display_mode *mode;
+
+ if (radeon_connector->ddc_bus) {
+ ret = radeon_ddc_get_modes(radeon_connector);
+ if (ret > 0) {
+ return ret;
+ }
+ }
+
+ encoder = radeon_best_single_encoder(connector);
+ if (!encoder)
+ return 0;
+
+ /* we have no EDID modes */
+ mode = radeon_fp_native_mode(encoder);
+ if (mode) {
+ ret = 1;
+ drm_mode_probed_add(connector, mode);
+ }
+ return ret;
+}
+
+static int radeon_lvds_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
+{
+ enum drm_connector_status ret = connector_status_connected;
+ /* check acpi lid status ??? */
+ radeon_connector_update_scratch_regs(connector, ret);
+ return ret;
+}
+
+static void radeon_connector_destroy(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+
+ if (radeon_connector->ddc_bus)
+ radeon_i2c_destroy(radeon_connector->ddc_bus);
+ kfree(radeon_connector->con_priv);
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
+ .get_modes = radeon_lvds_get_modes,
+ .mode_valid = radeon_lvds_mode_valid,
+ .best_encoder = radeon_best_single_encoder,
+};
+
+struct drm_connector_funcs radeon_lvds_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = radeon_lvds_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = radeon_connector_destroy,
+ .set_property = radeon_connector_set_property,
+};
+
+static int radeon_vga_get_modes(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ int ret;
+
+ ret = radeon_ddc_get_modes(radeon_connector);
+
+ return ret;
+}
+
+static int radeon_vga_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+
+ return MODE_OK;
+}
+
+static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct drm_encoder *encoder;
+ struct drm_encoder_helper_funcs *encoder_funcs;
+ bool dret;
+ enum drm_connector_status ret = connector_status_disconnected;
+
+ radeon_i2c_do_lock(radeon_connector, 1);
+ dret = radeon_ddc_probe(radeon_connector);
+ radeon_i2c_do_lock(radeon_connector, 0);
+ if (dret)
+ ret = connector_status_connected;
+ else {
+ /* if EDID fails to a load detect */
+ encoder = radeon_best_single_encoder(connector);
+ if (!encoder)
+ ret = connector_status_disconnected;
+ else {
+ encoder_funcs = encoder->helper_private;
+ ret = encoder_funcs->detect(encoder, connector);
+ }
+ }
+
+ radeon_connector_update_scratch_regs(connector, ret);
+ return ret;
+}
+
+struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
+ .get_modes = radeon_vga_get_modes,
+ .mode_valid = radeon_vga_mode_valid,
+ .best_encoder = radeon_best_single_encoder,
+};
+
+struct drm_connector_funcs radeon_vga_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = radeon_vga_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = radeon_connector_destroy,
+ .set_property = radeon_connector_set_property,
+};
+
+static int radeon_dvi_get_modes(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ int ret;
+
+ ret = radeon_ddc_get_modes(radeon_connector);
+ /* reset scratch regs here since radeon_dvi_detect doesn't check digital bit */
+ radeon_connector_update_scratch_regs(connector, connector_status_connected);
+ return ret;
+}
+
+static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct drm_encoder *encoder;
+ struct drm_encoder_helper_funcs *encoder_funcs;
+ struct drm_mode_object *obj;
+ int i;
+ enum drm_connector_status ret = connector_status_disconnected;
+ bool dret;
+
+ radeon_i2c_do_lock(radeon_connector, 1);
+ dret = radeon_ddc_probe(radeon_connector);
+ radeon_i2c_do_lock(radeon_connector, 0);
+ if (dret)
+ ret = connector_status_connected;
+ else {
+ for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+ if (connector->encoder_ids[i] == 0)
+ break;
+
+ obj = drm_mode_object_find(connector->dev,
+ connector->encoder_ids[i],
+ DRM_MODE_OBJECT_ENCODER);
+ if (!obj)
+ continue;
+
+ encoder = obj_to_encoder(obj);
+
+ encoder_funcs = encoder->helper_private;
+ if (encoder_funcs->detect) {
+ ret = encoder_funcs->detect(encoder, connector);
+ if (ret == connector_status_connected) {
+ radeon_connector->use_digital = 0;
+ break;
+ }
+ }
+ }
+ }
+
+ /* updated in get modes as well since we need to know if it's analog or digital */
+ radeon_connector_update_scratch_regs(connector, ret);
+ return ret;
+}
+
+/* okay need to be smart in here about which encoder to pick */
+struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
+{
+ int enc_id = connector->encoder_ids[0];
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct drm_mode_object *obj;
+ struct drm_encoder *encoder;
+ int i;
+ for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
+ if (connector->encoder_ids[i] == 0)
+ break;
+
+ obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
+ if (!obj)
+ continue;
+
+ encoder = obj_to_encoder(obj);
+
+ if (radeon_connector->use_digital) {
+ if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
+ return encoder;
+ } else {
+ if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
+ encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
+ return encoder;
+ }
+ }
+
+ /* see if we have a default encoder TODO */
+
+ /* then check use digitial */
+ /* pick the first one */
+ if (enc_id) {
+ obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
+ if (!obj)
+ return NULL;
+ encoder = obj_to_encoder(obj);
+ return encoder;
+ }
+ return NULL;
+}
+
+struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
+ .get_modes = radeon_dvi_get_modes,
+ .mode_valid = radeon_vga_mode_valid,
+ .best_encoder = radeon_dvi_encoder,
+};
+
+struct drm_connector_funcs radeon_dvi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = radeon_dvi_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = radeon_connector_set_property,
+ .destroy = radeon_connector_destroy,
+};
+
+void
+radeon_add_atom_connector(struct drm_device *dev,
+ uint32_t connector_id,
+ uint32_t supported_device,
+ int connector_type,
+ struct radeon_i2c_bus_rec *i2c_bus,
+ bool linkb,
+ uint32_t igp_lane_info)
+{
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector;
+ struct radeon_connector_atom_dig *radeon_dig_connector;
+ uint32_t subpixel_order = SubPixelNone;
+
+ /* fixme - tv/cv/din */
+ if ((connector_type == DRM_MODE_CONNECTOR_Unknown) ||
+ (connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
+ (connector_type == DRM_MODE_CONNECTOR_Composite) ||
+ (connector_type == DRM_MODE_CONNECTOR_9PinDIN))
+ return;
+
+ /* see if we already added it */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ radeon_connector = to_radeon_connector(connector);
+ if (radeon_connector->connector_id == connector_id) {
+ radeon_connector->devices |= supported_device;
+ return;
+ }
+ }
+
+ radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
+ if (!radeon_connector)
+ return;
+
+ connector = &radeon_connector->base;
+
+ radeon_connector->connector_id = connector_id;
+ radeon_connector->devices = supported_device;
+ switch (connector_type) {
+ case DRM_MODE_CONNECTOR_VGA:
+ drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ break;
+ case DRM_MODE_CONNECTOR_DVIA:
+ drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ break;
+ case DRM_MODE_CONNECTOR_DVII:
+ case DRM_MODE_CONNECTOR_DVID:
+ radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
+ if (!radeon_dig_connector)
+ goto failed;
+ radeon_dig_connector->linkb = linkb;
+ radeon_dig_connector->igp_lane_info = igp_lane_info;
+ radeon_connector->con_priv = radeon_dig_connector;
+ drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ subpixel_order = SubPixelHorizontalRGB;
+ break;
+ case DRM_MODE_CONNECTOR_HDMIA:
+ case DRM_MODE_CONNECTOR_HDMIB:
+ radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
+ if (!radeon_dig_connector)
+ goto failed;
+ radeon_dig_connector->linkb = linkb;
+ radeon_dig_connector->igp_lane_info = igp_lane_info;
+ radeon_connector->con_priv = radeon_dig_connector;
+ drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ subpixel_order = SubPixelHorizontalRGB;
+ break;
+ case DRM_MODE_CONNECTOR_DisplayPort:
+ radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
+ if (!radeon_dig_connector)
+ goto failed;
+ radeon_dig_connector->linkb = linkb;
+ radeon_dig_connector->igp_lane_info = igp_lane_info;
+ radeon_connector->con_priv = radeon_dig_connector;
+ drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ subpixel_order = SubPixelHorizontalRGB;
+ break;
+ case DRM_MODE_CONNECTOR_SVIDEO:
+ case DRM_MODE_CONNECTOR_Composite:
+ case DRM_MODE_CONNECTOR_9PinDIN:
+ break;
+ case DRM_MODE_CONNECTOR_LVDS:
+ radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
+ if (!radeon_dig_connector)
+ goto failed;
+ radeon_dig_connector->linkb = linkb;
+ radeon_dig_connector->igp_lane_info = igp_lane_info;
+ radeon_connector->con_priv = radeon_dig_connector;
+ drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ subpixel_order = SubPixelHorizontalRGB;
+ break;
+ }
+
+ connector->display_info.subpixel_order = subpixel_order;
+ drm_sysfs_connector_add(connector);
+ return;
+
+failed:
+ if (radeon_connector->ddc_bus)
+ radeon_i2c_destroy(radeon_connector->ddc_bus);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+void
+radeon_add_legacy_connector(struct drm_device *dev,
+ uint32_t connector_id,
+ uint32_t supported_device,
+ int connector_type,
+ struct radeon_i2c_bus_rec *i2c_bus)
+{
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector;
+ uint32_t subpixel_order = SubPixelNone;
+
+ /* fixme - tv/cv/din */
+ if ((connector_type == DRM_MODE_CONNECTOR_Unknown) ||
+ (connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
+ (connector_type == DRM_MODE_CONNECTOR_Composite) ||
+ (connector_type == DRM_MODE_CONNECTOR_9PinDIN))
+ return;
+
+ /* see if we already added it */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ radeon_connector = to_radeon_connector(connector);
+ if (radeon_connector->connector_id == connector_id) {
+ radeon_connector->devices |= supported_device;
+ return;
+ }
+ }
+
+ radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
+ if (!radeon_connector)
+ return;
+
+ connector = &radeon_connector->base;
+
+ radeon_connector->connector_id = connector_id;
+ radeon_connector->devices = supported_device;
+ switch (connector_type) {
+ case DRM_MODE_CONNECTOR_VGA:
+ drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ break;
+ case DRM_MODE_CONNECTOR_DVIA:
+ drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ break;
+ case DRM_MODE_CONNECTOR_DVII:
+ case DRM_MODE_CONNECTOR_DVID:
+ drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ subpixel_order = SubPixelHorizontalRGB;
+ break;
+ case DRM_MODE_CONNECTOR_SVIDEO:
+ case DRM_MODE_CONNECTOR_Composite:
+ case DRM_MODE_CONNECTOR_9PinDIN:
+ break;
+ case DRM_MODE_CONNECTOR_LVDS:
+ drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
+ if (i2c_bus->valid) {
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
+ if (!radeon_connector->ddc_bus)
+ goto failed;
+ }
+ subpixel_order = SubPixelHorizontalRGB;
+ break;
+ }
+
+ connector->display_info.subpixel_order = subpixel_order;
+ drm_sysfs_connector_add(connector);
+ return;
+
+failed:
+ if (radeon_connector->ddc_bus)
+ radeon_i2c_destroy(radeon_connector->ddc_bus);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}