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authorRobert Tarasov <tutankhamen@chromium.org>2017-10-12 17:13:49 -0700
committerAlex Deucher <alexander.deucher@amd.com>2017-10-16 15:36:02 -0400
commitafdfc4c6f55f953e073f0eef9e2afa3c8cf78d7c (patch)
tree988d8334f9c836534aef4dfe1e4df3e69c700ab3 /drivers/gpu/drm/udl/udl_drv.c
parenta52ff2a509a77aacdcc464f26181e77d49880da9 (diff)
drm/udl: Fixed problem with UDL adpater reconnection
Fixed problem with DisplayLink and DisplayLink certified adapers in drm/udl driver when adapter doesn't want to work if it was initialized with disconnected DVI cable by enabling drm connectot polling and updating current connector's state. Signed-off-by: Robert Tarasov <tutankhamen@chromium.org> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171013001350.172155-1-tutankhamen@chromium.org
Diffstat (limited to 'drivers/gpu/drm/udl/udl_drv.c')
-rw-r--r--drivers/gpu/drm/udl/udl_drv.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 31421b6b586e..3c45a3064726 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -14,6 +14,9 @@
static int udl_usb_suspend(struct usb_interface *interface,
pm_message_t message)
{
+ struct drm_device *dev = usb_get_intfdata(interface);
+
+ drm_kms_helper_poll_disable(dev);
return 0;
}
@@ -21,6 +24,7 @@ static int udl_usb_resume(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_intfdata(interface);
+ drm_kms_helper_poll_enable(dev);
udl_modeset_restore(dev);
return 0;
}