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| author | Alex Deucher <alexander.deucher@amd.com> | 2011-10-03 08:37:33 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-10-03 18:37:32 +0100 |
| commit | 5ba7ddf81634bfdf32d09261d2959e3f5b7c4263 (patch) | |
| tree | 342bcb633c786c9e4161b9ed64e93211a518c141 /drivers | |
| parent | 6375bda073724ead7df08746866b724b1799a295 (diff) | |
| download | linux-3.10-5ba7ddf81634bfdf32d09261d2959e3f5b7c4263.tar.gz linux-3.10-5ba7ddf81634bfdf32d09261d2959e3f5b7c4263.tar.bz2 linux-3.10-5ba7ddf81634bfdf32d09261d2959e3f5b7c4263.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 8 |
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 c4b8741dbf5..bce63fd329d 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; } } |