From: Rob Clark rob@ti.com
When disabling unused connectors, be sure to call connector->dpms(OFF), so if there is actually some IP to turn off (such as external bridge chips, etc), these actually do get turned off.
Signed-off-by: Rob Clark rob@ti.com Tested-by: Roger Quadros rogerq@ti.com
--- drivers/gpu/drm/drm_crtc_helper.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 3252e70..000cda4 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -244,16 +244,16 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) struct drm_crtc *crtc;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (!connector->encoder) - continue; if (connector->status == connector_status_disconnected) connector->encoder = NULL; + if (!connector->encoder) + connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF); }
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { if (!drm_helper_encoder_in_use(encoder)) { drm_encoder_disable(encoder); - /* disconnector encoder from any connector */ + /* disconnect encoder from any connector */ encoder->crtc = NULL; } }