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authorAlex Deucher <alexander.deucher@amd.com>2011-10-03 08:37:33 -0400
committerDave Airlie <airlied@redhat.com>2011-10-03 18:37:32 +0100
commit5ba7ddf81634bfdf32d09261d2959e3f5b7c4263 (patch)
tree342bcb633c786c9e4161b9ed64e93211a518c141
parent6375bda073724ead7df08746866b724b1799a295 (diff)
drm/radeon/kms: Fix logic error in DP HPD handler
Only disable the pipe if the monitor is physically disconnected. The previous logic also disabled the pipe if the link was trained. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=41248 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index c4b8741dbf58..bce63fd329d4 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -68,11 +68,11 @@ void radeon_connector_hotplug(struct drm_connector *connector)
if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
int saved_dpms = connector->dpms;
- if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
- radeon_dp_needs_link_train(radeon_connector))
- drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
- else
+ /* Only turn off the display it it's physically disconnected */
+ if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+ else if (radeon_dp_needs_link_train(radeon_connector))
+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
connector->dpms = saved_dpms;
}
}