diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c index a5266d5999d7..8f8eee475144 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c @@ -388,7 +388,7 @@ static bool link_dpia_control(struct dc_context *dc_ctx, dc_dmub_srv_cmd_execute(dmub); dc_dmub_srv_wait_idle(dmub); - return false; + return true; } static void link_encoder_disable(struct dcn10_link_encoder *enc10) @@ -424,7 +424,10 @@ void dcn31_link_encoder_enable_dp_output( dpia_control.lanenum = (uint8_t)link_settings->lane_count; dpia_control.symclk_10khz = link_settings->link_rate * LINK_RATE_REF_FREQ_IN_KHZ / 10; - dpia_control.hpdsel = 5; /* Unused by DPIA */ + /* DIG_BE_CNTL.DIG_HPD_SELECT set to 5 (hpdsel - 1) to indicate HPD pin + * unused by DPIA. + */ + dpia_control.hpdsel = 6; if (link) { dpia_control.dpia_id = link->ddc_hw_inst; @@ -466,7 +469,10 @@ void dcn31_link_encoder_enable_dp_mst_output( dpia_control.lanenum = (uint8_t)link_settings->lane_count; dpia_control.symclk_10khz = link_settings->link_rate * LINK_RATE_REF_FREQ_IN_KHZ / 10; - dpia_control.hpdsel = 5; /* Unused by DPIA */ + /* DIG_BE_CNTL.DIG_HPD_SELECT set to 5 (hpdsel - 1) to indicate HPD pin + * unused by DPIA. + */ + dpia_control.hpdsel = 6; if (link) { dpia_control.dpia_id = link->ddc_hw_inst; |