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Subject[PATCH] drm/probe_helper: Don't bother probing when connectors are forced off
Date
Userspace asked them to be forced off, so why would we care about what a
probe tells us?

Signed-off-by: Lyude Paul <lyude@redhat.com>
---
drivers/gpu/drm/drm_probe_helper.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index a1bb157bfdfa..56d2b5dd1f58 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -269,7 +269,9 @@ drm_helper_probe_detect_ctx(struct drm_connector *connector, bool force)
retry:
ret = drm_modeset_lock(&connector->dev->mode_config.connection_mutex, &ctx);
if (!ret) {
- if (funcs->detect_ctx)
+ if (connector->force == DRM_FORCE_OFF)
+ ret = connector_status_disconnected;
+ else if (funcs->detect_ctx)
ret = funcs->detect_ctx(connector, &ctx, force);
else if (connector->funcs->detect)
ret = connector->funcs->detect(connector, force);
@@ -317,6 +319,9 @@ drm_helper_probe_detect(struct drm_connector *connector,
if (ret)
return ret;

+ if (connector->force == DRM_FORCE_OFF)
+ return connector_status_disconnected;
+
if (funcs->detect_ctx)
return funcs->detect_ctx(connector, ctx, force);
else if (connector->funcs->detect)
--
2.17.1
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