提交 0549a061 编写于 作者: A Alex Deucher 提交者: Dave Airlie

drm/radeon/kms: also check for edid in lvds detect

In case the system has bad native mode info but
valid edid.
Signed-off-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>
上级 de2103e4
......@@ -398,8 +398,10 @@ static int radeon_lvds_mode_valid(struct drm_connector *connector,
static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
{
enum drm_connector_status ret = connector_status_disconnected;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct drm_encoder *encoder = radeon_best_single_encoder(connector);
enum drm_connector_status ret = connector_status_disconnected;
bool dret;
if (encoder) {
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
......@@ -410,6 +412,15 @@ static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connec
ret = connector_status_connected;
}
/* check for edid as well */
if (radeon_connector->ddc_bus) {
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;
}
/* check acpi lid status ??? */
radeon_connector_update_scratch_regs(connector, ret);
......
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