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https://github.com/edk2-porting/linux-next.git
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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>
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@ -213,24 +213,6 @@ nouveau_connector_set_encoder(struct drm_connector *connector,
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}
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}
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static bool
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nouveau_connector_poll_allowed(struct drm_connector *connector)
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{
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struct drm_device *dev = connector->dev;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct drm_crtc *crtc;
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bool spare_crtc = false;
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if (dev_priv->card_type >= NV_50) {
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return true;
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} else {
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
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spare_crtc |= !crtc->enabled;
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return spare_crtc;
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}
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}
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static enum drm_connector_status
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nouveau_connector_detect(struct drm_connector *connector, bool force)
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{
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@ -299,8 +281,7 @@ detect_analog:
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nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG);
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if (!nv_encoder && !nouveau_tv_disable)
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nv_encoder = find_encoder_by_type(connector, OUTPUT_TV);
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if (nv_encoder &&
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(force || nouveau_connector_poll_allowed(connector))) {
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if (nv_encoder && force) {
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struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
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struct drm_encoder_helper_funcs *helper =
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encoder->helper_private;
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@ -868,14 +849,12 @@ nouveau_connector_create(struct drm_device *dev, int index)
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dev->mode_config.scaling_mode_property,
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nv_connector->scaling_mode);
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}
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connector->polled = DRM_CONNECTOR_POLL_CONNECT;
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/* fall-through */
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case DCB_CONNECTOR_TV_0:
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case DCB_CONNECTOR_TV_1:
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case DCB_CONNECTOR_TV_3:
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nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
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if (nv_gf4_disp_arch(dev))
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connector->polled = DRM_CONNECTOR_POLL_CONNECT;
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break;
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default:
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nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
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