diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c index 290ebaacbabe..6f7af235dd79 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c @@ -168,6 +168,10 @@ static struct mpll_cfg dcn2_mpll_cfg[] = { void enc2_fec_set_enable(struct link_encoder *enc, bool enable) { struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT + DC_LOG_DSC("%s FEC at link encoder inst %d", + enable ? "Enabling" : "Disabling", enc->id.enum_id); +#endif REG_UPDATE(DP_DPHY_CNTL, DPHY_FEC_EN, enable); } @@ -188,6 +192,19 @@ bool enc2_fec_is_active(struct link_encoder *enc) return (active != 0); } +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT +/* this function reads dsc related register fields to be logged later in dcn10_log_hw_state + * into a dcn_dsc_state struct. + */ +void link_enc2_read_state(struct link_encoder *enc, struct link_enc_state *s) +{ + struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); + + REG_GET(DP_DPHY_CNTL, DPHY_FEC_EN, &s->dphy_fec_en); + REG_GET(DP_DPHY_CNTL, DPHY_FEC_READY_SHADOW, &s->dphy_fec_ready_shadow); + REG_GET(DP_DPHY_CNTL, DPHY_FEC_ACTIVE_STATUS, &s->dphy_fec_active_status); +} +#endif static bool update_cfg_data( struct dcn10_link_encoder *enc10, @@ -298,6 +315,9 @@ void enc2_hw_init(struct link_encoder *enc) } static const struct link_encoder_funcs dcn20_link_enc_funcs = { +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT + .read_state = link_enc2_read_state, +#endif .validate_output_with_stream = dcn10_link_encoder_validate_output_with_stream, .hw_init = enc2_hw_init, |