From: Mikita Lipski Date: Tue, 17 Jul 2018 14:52:19 +0000 (-0400) Subject: drm/amd/display: Pass connector id when executing VBIOS CT X-Git-Tag: v5.15~8118^2~5^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=433149130c31de3f63b17b4ce08b45dab208f7e8;p=platform%2Fkernel%2Flinux-starfive.git drm/amd/display: Pass connector id when executing VBIOS CT [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 --- diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c index 752b3d6..eff7d22 100644 --- 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_output( 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_output( * 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;