drm/bridge: tc358767: don't warn if display side ASSR enable fails

ASSR is an optional feature, so it's a valid operating condition for
the display to reject ASSR enable. Demote the warning to the debug
level.

Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by:Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161130114810.3245-1-l.stach@pengutronix.de

diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 44d476e..a787240 100644 (file)
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -908,7 +908,7 @@ static int tc_main_link_setup(struct tc_data *tc)
                        goto err_dpcd_read;
 
                if (tmp[0] != tc->assr) {
-                       dev_warn(dev, "Failed to switch display ASSR to %d, falling back to unscrambled mode\n",
+                       dev_dbg(dev, "Failed to switch display ASSR to %d, falling back to unscrambled mode\n",
                                 tc->assr);
                        /* trying with disabled scrambler */
                        tc->link.scrambler_dis = 1;