From: Mikita Lipski Date: Tue, 17 Jul 2018 10:52:19 -0400 Subject: drm/amd/display: Pass connector id when executing VBIOS CT Git-commit: 433149130c31de3f63b17b4ce08b45dab208f7e8 Patch-mainline: v4.19-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 [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 Reviewed-by: Hersen Wu Acked-by: Leo Li Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Acked-by: Petr Tesarik --- 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 @@ -930,7 +930,7 @@ 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; @@ -972,7 +972,7 @@ 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;