From: Yingjie Wang wangyingjie55@126.com
In radeon_dp_mst_detect(), We should check whether or not @connector has been unregistered from userspace. If the connector is unregistered, we should return disconnected status.
Fixes: 9843ead08f18 ("drm/radeon: add DisplayPort MST support (v2)") Signed-off-by: Yingjie Wang wangyingjie55@126.com --- drivers/gpu/drm/radeon/radeon_dp_mst.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index 2c32186c4acd..4e4c937c36c6 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -242,6 +242,9 @@ radeon_dp_mst_detect(struct drm_connector *connector, to_radeon_connector(connector); struct radeon_connector *master = radeon_connector->mst_port;
+ if (drm_connector_is_unregistered(connector)) + return connector_status_disconnected; + return drm_dp_mst_detect_port(connector, ctx, &master->mst_mgr, radeon_connector->port); }
Applied. Thanks!
Alex
On Wed, Apr 7, 2021 at 2:23 AM wangyingjie55@126.com wrote:
From: Yingjie Wang wangyingjie55@126.com
In radeon_dp_mst_detect(), We should check whether or not @connector has been unregistered from userspace. If the connector is unregistered, we should return disconnected status.
Fixes: 9843ead08f18 ("drm/radeon: add DisplayPort MST support (v2)") Signed-off-by: Yingjie Wang wangyingjie55@126.com
drivers/gpu/drm/radeon/radeon_dp_mst.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index 2c32186c4acd..4e4c937c36c6 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -242,6 +242,9 @@ radeon_dp_mst_detect(struct drm_connector *connector, to_radeon_connector(connector); struct radeon_connector *master = radeon_connector->mst_port;
if (drm_connector_is_unregistered(connector))return connector_status_disconnected;return drm_dp_mst_detect_port(connector, ctx, &master->mst_mgr, radeon_connector->port);}
2.7.4
dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
My pleasure! At 2021-04-09 04:17:36, "Alex Deucher" alexdeucher@gmail.com wrote:
Applied. Thanks!
Alex
On Wed, Apr 7, 2021 at 2:23 AM wangyingjie55@126.com wrote:
From: Yingjie Wang wangyingjie55@126.com
In radeon_dp_mst_detect(), We should check whether or not @connector has been unregistered from userspace. If the connector is unregistered, we should return disconnected status.
Fixes: 9843ead08f18 ("drm/radeon: add DisplayPort MST support (v2)") Signed-off-by: Yingjie Wang wangyingjie55@126.com
drivers/gpu/drm/radeon/radeon_dp_mst.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index 2c32186c4acd..4e4c937c36c6 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -242,6 +242,9 @@ radeon_dp_mst_detect(struct drm_connector *connector, to_radeon_connector(connector); struct radeon_connector *master = radeon_connector->mst_port;
if (drm_connector_is_unregistered(connector))return connector_status_disconnected;return drm_dp_mst_detect_port(connector, ctx, &master->mst_mgr, radeon_connector->port);}
2.7.4
dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
dri-devel@lists.freedesktop.org
-
Alex Deucher -
wangyingjie55＠126.com -
Yingjie Wang