diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 51 |
1 files changed, 37 insertions, 14 deletions
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 eff7d22d78fb..366bc8c2c643 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 @@ -102,6 +102,7 @@ static const struct link_encoder_funcs dce110_lnk_enc_funcs = { .enable_tmds_output = dce110_link_encoder_enable_tmds_output, .enable_dp_output = dce110_link_encoder_enable_dp_output, .enable_dp_mst_output = dce110_link_encoder_enable_dp_mst_output, + .enable_lvds_output = dce110_link_encoder_enable_lvds_output, .disable_output = dce110_link_encoder_disable_output, .dp_set_lane_settings = dce110_link_encoder_dp_set_lane_settings, .dp_set_phy_pattern = dce110_link_encoder_dp_set_phy_pattern, @@ -661,21 +662,10 @@ bool dce110_link_encoder_validate_dp_output( const struct dce110_link_encoder *enc110, const struct dc_crtc_timing *crtc_timing) { - /* default RGB only */ - if (crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB) - return true; - - if (enc110->base.features.flags.bits.IS_YCBCR_CAPABLE) - return true; - - /* for DCE 8.x or later DP Y-only feature, - * we need ASIC cap + FeatureSupportDPYonly, not support 666 */ - if (crtc_timing->flags.Y_ONLY && - enc110->base.features.flags.bits.IS_YCBCR_CAPABLE && - crtc_timing->display_color_depth != COLOR_DEPTH_666) - return true; + if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) + return false; - return false; + return true; } void dce110_link_encoder_construct( @@ -814,6 +804,7 @@ bool dce110_link_encoder_validate_output_with_stream( enc110, &stream->timing); break; case SIGNAL_TYPE_EDP: + case SIGNAL_TYPE_LVDS: is_valid = (stream->timing. pixel_encoding == PIXEL_ENCODING_RGB) ? true : false; @@ -955,6 +946,38 @@ void dce110_link_encoder_enable_tmds_output( } } +/* TODO: still need depth or just pass in adjusted pixel clock? */ +void dce110_link_encoder_enable_lvds_output( + struct link_encoder *enc, + enum clock_source_id clock_source, + uint32_t pixel_clock) +{ + struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc); + struct bp_transmitter_control cntl = { 0 }; + 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; + cntl.pll_id = clock_source; + cntl.signal = SIGNAL_TYPE_LVDS; + cntl.lanes_number = 4; + + cntl.hpd_sel = enc110->base.hpd_source; + + cntl.pixel_clock = pixel_clock; + + result = link_transmitter_control(enc110, &cntl); + + if (result != BP_RESULT_OK) { + DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n", + __func__); + BREAK_TO_DEBUGGER(); + } +} + /* enables DP PHY output */ void dce110_link_encoder_enable_dp_output( struct link_encoder *enc, |