4.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Mikita Lipski <[email protected]> commit 433149130c31de3f63b17b4ce08b45dab208f7e8 upstream. [why] Older ASICs require both phys_id and connector_id to execute bios command table. If we are not passing the right connector_id - it can lead to a black screen. [how] Set connector_obj_id when executing vbios command table Signed-off-by: Mikita Lipski <[email protected]> Reviewed-by: Hersen Wu <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c @@ -919,7 +919,7 @@ void dce110_link_encoder_enable_tmds_out enum bp_result result; /* Enable the PHY */ - + cntl.connector_obj_id = enc110->base.connector; cntl.action = TRANSMITTER_CONTROL_ENABLE; cntl.engine_id = enc->preferred_engine; cntl.transmitter = enc110->base.transmitter; @@ -961,7 +961,7 @@ void dce110_link_encoder_enable_dp_outpu * We need to set number of lanes manually. */ configure_encoder(enc110, link_settings); - + cntl.connector_obj_id = enc110->base.connector; cntl.action = TRANSMITTER_CONTROL_ENABLE; cntl.engine_id = enc->preferred_engine; cntl.transmitter = enc110->base.transmitter;
