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Date: Wed, 9 Dec 2020 20:21:40 -0500 From: Lyude Paul <lyude@...hat.com> To: dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org Cc: Jani Nikula <jani.nikula@...el.com>, Dave Airlie <airlied@...il.com>, greg.depoire@...il.com, Ben Skeggs <bskeggs@...hat.com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org (open list) Subject: [RFC 2/5] drm/nouveau/kms: Don't probe eDP connectors more then once 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@...hat.com> Cc: Jani Nikula <jani.nikula@...el.com> Cc: Dave Airlie <airlied@...il.com> Cc: greg.depoire@...il.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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