[PATCH 1/2] drm/radeon/kms: bail early in dvi_detect for digital only connectors

alexdeucher at gmail.com alexdeucher at gmail.com
Fri Oct 7 11:23:47 PDT 2011

From: Alex Deucher <alexander.deucher at amd.com>

DVI-D and HDMI-A are digital only, so there's no need to
attempt analog load detect.  Also, skip bail before the
!force check, or we fail to get a disconnect events.
The next patches in the series attempt to fix disconnect
events for connectors with analog support (DVI-I, HDMI-B,


Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: stable at kernel.org
 drivers/gpu/drm/radeon/radeon_connectors.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 449c3d8..103eb1b 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -959,6 +959,11 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 	if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
 		goto out;
+	/* DVI-D and HDMI-A are digital only */
+	if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
+	    (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
+		goto out;
 	if (!force) {
 		ret = connector->status;
 		goto out;

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