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path: root/drivers/gpu/drm/radeon/radeon_connectors.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 55266416fa4..65f81942f39 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -580,16 +580,18 @@ static enum drm_connector_status radeon_vga_detect(struct drm_connector *connect
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct drm_encoder *encoder;
struct drm_encoder_helper_funcs *encoder_funcs;
- bool dret;
+ bool dret = false;
enum drm_connector_status ret = connector_status_disconnected;
encoder = radeon_best_single_encoder(connector);
if (!encoder)
ret = connector_status_disconnected;
- radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
- dret = radeon_ddc_probe(radeon_connector);
- radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
+ if (radeon_connector->ddc_bus) {
+ radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
+ dret = radeon_ddc_probe(radeon_connector);
+ radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
+ }
if (dret) {
if (radeon_connector->edid) {
kfree(radeon_connector->edid);
@@ -740,11 +742,13 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect
struct drm_mode_object *obj;
int i;
enum drm_connector_status ret = connector_status_disconnected;
- bool dret;
+ bool dret = false;
- radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
- dret = radeon_ddc_probe(radeon_connector);
- radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
+ if (radeon_connector->ddc_bus) {
+ radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
+ dret = radeon_ddc_probe(radeon_connector);
+ radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
+ }
if (dret) {
if (radeon_connector->edid) {
kfree(radeon_connector->edid);
@@ -776,7 +780,7 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect
* connected and the DVI port disconnected. If the edid doesn't
* say HDMI, vice versa.
*/
- if (radeon_connector->shared_ddc && connector_status_connected) {
+ if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
struct drm_device *dev = connector->dev;
struct drm_connector *list_connector;
struct radeon_connector *list_radeon_connector;
@@ -1056,8 +1060,7 @@ radeon_add_atom_connector(struct drm_device *dev,
return;
}
if (radeon_connector->ddc_bus && i2c_bus->valid) {
- if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
- sizeof(struct radeon_i2c_bus_rec)) == 0) {
+ if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
radeon_connector->shared_ddc = true;
shared_ddc = true;
}
@@ -1343,7 +1346,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
radeon_connector->dac_load_detect = false;
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.load_detect_property,
- 1);
+ radeon_connector->dac_load_detect);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.tv_std_property,
radeon_combios_get_tv_info(rdev));