| Message ID | 20220606072417.328354-1-treapking@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/bridge: it6505: Power off downstream device in .atomic_enable | expand |
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index 4b673c4792d7..e5626035f311 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -2945,6 +2945,9 @@ static void it6505_bridge_atomic_enable(struct drm_bridge *bridge, if (ret) dev_err(dev, "Failed to setup AVI infoframe: %d", ret); + it6505_drm_dp_link_set_power(&it6505->aux, &it6505->link, + DP_SET_POWER_D0); + it6505_update_video_parameter(it6505, mode); ret = it6505_send_video_infoframe(it6505, &frame);
Power off the downstream device in .atomic_enable callback, so the external display shows up again after changing resolution. Fixes: 46ca7da7f1e8 ("drm/bridge: it6505: Send DPCD SET_POWER to downstream") Signed-off-by: Pin-Yen Lin <treapking@chromium.org> --- drivers/gpu/drm/bridge/ite-it6505.c | 3 +++ 1 file changed, 3 insertions(+)