Messages in this thread Patch in this message | | | From | Lyude Paul <> | Subject | [RFC 2/5] drm/nouveau/kms: Don't probe eDP connectors more then once | Date | Wed, 9 Dec 2020 20:21:40 -0500 |
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eDP doesn't do hotplugging, so there's no reason for us to reprobe it (unless a connection status change is being forced, of course).
Signed-off-by: Lyude Paul <lyude@redhat.com> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Dave Airlie <airlied@gmail.com> Cc: greg.depoire@gmail.com --- drivers/gpu/drm/nouveau/nouveau_connector.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 8b4b3688c7ae..398fee9b7ae9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -554,6 +554,12 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) int ret; enum drm_connector_status conn_status = connector_status_disconnected; + /* eDP doesn't do hotplugging, never probe more then once */ + if (nv_connector->type == DCB_CONNECTOR_eDP && + connector->force == DRM_FORCE_UNSPECIFIED && + connector->status != connector_status_unknown) + return connector->status; + /* Outputs are only polled while runtime active, so resuming the * device here is unnecessary (and would deadlock upon runtime suspend * because it waits for polling to finish). We do however, want to -- 2.28.0
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