diff options
Diffstat (limited to 'drivers/gpu/drm/bridge')
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index f004db06dee9..ccf4c8cfbb52 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -839,6 +839,10 @@ static int tc_main_link_enable(struct tc_data *tc) dev_dbg(tc->dev, "link enable\n"); + tc_read(DP0CTL, &value); + if (WARN_ON(value & DP_EN)) + tc_write(DP0CTL, 0); + tc_write(DP0_SRCCTRL, tc_srcctrl(tc)); /* SSCG and BW27 on DP1 must be set to the same as on DP0 */ tc_write(DP1_SRCCTRL, |