drm/nouveau: Don't use load detection for connector polling.

Analog output polling makes GL programs jerky when pageflip is being
used because it's carried out with the mode_config mutex held.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 2 insertions, 23 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 1dd52dbfad46..52c356e9a3d1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -213,24 +213,6 @@ nouveau_connector_set_encoder(struct drm_connector *connector,
         }
 }
 
-static bool
-nouveau_connector_poll_allowed(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct drm_nouveau_private *dev_priv = dev->dev_private;
-        struct drm_crtc *crtc;
-        bool spare_crtc = false;
-
-        if (dev_priv->card_type >= NV_50) {
-                return true;
-        } else {
-                list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
-                        spare_crtc |= !crtc->enabled;
-
-                return spare_crtc;
-        }
-}
-
 static enum drm_connector_status
 nouveau_connector_detect(struct drm_connector *connector, bool force)
 {
@@ -299,8 +281,7 @@ detect_analog:
         nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG);
         if (!nv_encoder && !nouveau_tv_disable)
                 nv_encoder = find_encoder_by_type(connector, OUTPUT_TV);
-        if (nv_encoder &&
-            (force || nouveau_connector_poll_allowed(connector))) {
+        if (nv_encoder && force) {
                 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
                 struct drm_encoder_helper_funcs *helper =
                                                 encoder->helper_private;
@@ -868,14 +849,12 @@ nouveau_connector_create(struct drm_device *dev, int index)
                                         dev->mode_config.scaling_mode_property,
                                         nv_connector->scaling_mode);
                 }
+                connector->polled = DRM_CONNECTOR_POLL_CONNECT;
                 /* fall-through */
         case DCB_CONNECTOR_TV_0:
         case DCB_CONNECTOR_TV_1:
         case DCB_CONNECTOR_TV_3:
                 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
-
-                if (nv_gf4_disp_arch(dev))
-                        connector->polled = DRM_CONNECTOR_POLL_CONNECT;
                 break;
         default:
                 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;