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Subject[RFC v4 02/11] drm/nouveau/kms: Don't probe eDP connectors more then once
Date
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 61e6d7412505..55e986b3cad9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -556,6 +556,12 @@ 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
--
2.29.2
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