From: Chiawen Huang <[email protected]> [ Upstream commit 7d56a154e22ffb3613fdebf83ec34d5225a22993 ]
[Why] disable/enable leads FEC mismatch between hw/sw FEC state. [How] check FEC status to fastboot on/off. Reviewed-by: Anthony Koo <[email protected]> Acked-by: Alex Hung <[email protected]> Signed-off-by: Chiawen Huang <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index ba1aa994db4b..a62711d71d0e 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1493,6 +1493,10 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc, if (!link->link_enc->funcs->is_dig_enabled(link->link_enc)) return false; + /* Check for FEC status*/ + if (link->link_enc->funcs->fec_is_active(link->link_enc)) + return false; + enc_inst = link->link_enc->funcs->get_dig_frontend(link->link_enc); if (enc_inst == ENGINE_ID_UNKNOWN) -- 2.35.1
