diff options
author | Sean Paul <seanpaul@chromium.org> | 2018-03-21 09:40:55 -0400 |
---|---|---|
committer | Sean Paul <seanpaul@chromium.org> | 2018-03-21 09:40:55 -0400 |
commit | 1c7095d2836baafd84e596dd34ba1a1293a4faa9 (patch) | |
tree | 498f529809b9c0a3c75c8b8bb1098ed4f71233db /drivers/gpu/drm/radeon/radeon_connectors.c | |
parent | 2793c1d77aa8876e5674e901d051c79570e99db2 (diff) | |
parent | 78230c46ec0a91dd4256c9e54934b3c7095a7ee3 (diff) |
Merge airlied/drm-next into drm-misc-nextdrm-misc-next-2018-03-21
Refresh -misc-next
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 5012f5e47a1e..b108eaabb6df 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -90,25 +90,18 @@ void radeon_connector_hotplug(struct drm_connector *connector) /* don't do anything if sink is not display port, i.e., * passive dp->(dvi|hdmi) adaptor */ - if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { - int saved_dpms = connector->dpms; - /* Only turn off the display if 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)) { - /* Don't try to start link training before we - * have the dpcd */ - if (!radeon_dp_getdpcd(radeon_connector)) - return; - - /* set it to OFF so that drm_helper_connector_dpms() - * won't return immediately since the current state - * is ON at this point. - */ - connector->dpms = DRM_MODE_DPMS_OFF; - drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); - } - connector->dpms = saved_dpms; + if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT && + radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && + radeon_dp_needs_link_train(radeon_connector)) { + /* Don't start link training before we have the DPCD */ + if (!radeon_dp_getdpcd(radeon_connector)) + return; + + /* Turn the connector off and back on immediately, which + * will trigger link training + */ + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); } } } |