The driver currently sets the video stream registers in
tc_main_link_setup. One should be able to establish the DP link without
any video stream, so a more logical place is to configure the stream in
the tc_main_link_stream. So move them there.
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
Reviewed-by: Andrzej Hajda <a.ha...@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/gpu/drm/bridge/tc358767.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358767.c
b/drivers/gpu/drm/bridge/tc358767.c
index 39a9de880e5a..4de21c3883d8 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1004,15 +1004,6 @@ static int tc_main_link_setup(struct tc_data *tc)
return -EAGAIN;
}
- ret = tc_set_video_mode(tc, tc->mode);
- if (ret)
- goto err;
-
- /* Set M/N */
- ret = tc_stream_clock_calc(tc);
- if (ret)
- goto err;
-
return 0;
err_dpcd_read:
dev_err(tc->dev, "Failed to read DPCD: %d\n", ret);
@@ -1031,6 +1022,15 @@ static int tc_main_link_stream(struct tc_data *tc, int
state)
dev_dbg(tc->dev, "stream: %d\n", state);
if (state) {
+ ret = tc_set_video_mode(tc, tc->mode);
+ if (ret)
+ goto err;
+
+ /* Set M/N */
+ ret = tc_stream_clock_calc(tc);
+ if (ret)
+ goto err;
+
value = VID_MN_GEN | DP_EN;
if (tc->link.base.capabilities & DP_LINK_CAP_ENHANCED_FRAMING)
value |= EF_EN;
--
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Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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