From: Chiawen Huang <chiawen.huang@xxxxxxx>
[Why]
Vbios uses preferred timing to turn on edp but OS could use other
timing. If change pixel clock when link active, there is unexpected
garbage on monitor.
[How]
Once pixel clock changed, the driver needs to disable stream.
Signed-off-by: Chiawen Huang <chiawen.huang@xxxxxxx>
Reviewed-by: Tony Cheng <Tony.Cheng@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 76946a7d47ca..2a725a5fba40 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -864,7 +864,6 @@ static void disable_vbios_mode_if_required(
if (stream->link->local_sink &&
stream->link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
link = stream->link;
- break;
}
if (link != NULL) {
--
2.28.0
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