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authorAlex Deucher <alexdeucher@gmail.com>2010-07-01 10:34:56 -0400
committerDave Airlie <airlied@redhat.com>2010-07-07 14:21:38 +1000
commitb2ea4aa67bfd084834edd070e0a4a47857d6db59 (patch)
tree05f9b94ce9074d5d73738414bde6aaa26ce1f384 /drivers/gpu
parent5870a4d97da136908ca477e3a21bc9f4c2705161 (diff)
downloadop-kernel-dev-b2ea4aa67bfd084834edd070e0a4a47857d6db59.zip
op-kernel-dev-b2ea4aa67bfd084834edd070e0a4a47857d6db59.tar.gz
drm/radeon/kms: fix shared ddc handling
Connectors with a shared ddc line can be connected to different encoders. Reported by Pasi Kärkkäinen <pasik@iki.fi> on dri-devel Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 0c7ccc6..f58f8bd 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -785,7 +785,9 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect
if (connector == list_connector)
continue;
list_radeon_connector = to_radeon_connector(list_connector);
- if (radeon_connector->devices == list_radeon_connector->devices) {
+ if (list_radeon_connector->shared_ddc &&
+ (list_radeon_connector->ddc_bus->rec.i2c_id ==
+ radeon_connector->ddc_bus->rec.i2c_id)) {
if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
kfree(radeon_connector->edid);
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