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

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In case the system has bad native mode info but
valid edid.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2009-10-09 18:41:19 -04:00 committed by Dave Airlie
parent de2103e452
commit 0549a061b5
1 changed files with 12 additions and 1 deletions
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13
drivers/gpu/drm/radeon/radeon_connectors.c
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@ -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);