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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.c35
1 files changed, 23 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 9da10dd..65f8194 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;
@@ -900,10 +904,18 @@ static void radeon_dvi_force(struct drm_connector *connector)
static int radeon_dvi_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
+ struct drm_device *dev = connector->dev;
+ struct radeon_device *rdev = dev->dev_private;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
/* XXX check mode bandwidth */
+ /* clocks over 135 MHz have heat issues with DVI on RV100 */
+ if (radeon_connector->use_digital &&
+ (rdev->family == CHIP_RV100) &&
+ (mode->clock > 135000))
+ return MODE_CLOCK_HIGH;
+
if (radeon_connector->use_digital && (mode->clock > 165000)) {
if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
(radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
@@ -1048,8 +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;
}
@@ -1335,7 +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));