drm/amd/display: Pass connector id when executing VBIOS CT
authorMikita Lipski <mikita.lipski@amd.com>
Tue, 17 Jul 2018 14:52:19 +0000 (10:52 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 13 Aug 2018 22:29:37 +0000 (17:29 -0500)
[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 <mikita.lipski@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c

index 752b3d6..eff7d22 100644 (file)
@@ -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;