From: Nikola Cornij <[email protected]> [why] In SST mode no idle pattern will be generated after link training if DIG FE is not connected to DIG BE.
Signed-off-by: Nikola Cornij <[email protected]> Reviewed-by: Tony Cheng <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index bdc8be373ff0..1e1f461cbb3c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1546,6 +1546,10 @@ static enum dc_status enable_link_dp( panel_mode = dp_get_panel_mode(link); dp_set_panel_mode(link, panel_mode); + /* We need to do this before the link training to ensure the idle pattern in SST + * mode will be sent right after the link training */ + link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc, + pipe_ctx->stream_res.stream_enc->id, true); skip_video_pattern = true; if (link_settings.link_rate == LINK_RATE_LOW) -- 2.24.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
