diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/include/link_service_types.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/link_service_types.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/include/link_service_types.h b/drivers/gpu/drm/amd/display/include/link_service_types.h index efd9812c13ec..c729b50c4f20 100644 --- a/drivers/gpu/drm/amd/display/include/link_service_types.h +++ b/drivers/gpu/drm/amd/display/include/link_service_types.h @@ -53,7 +53,11 @@ enum edp_revision { }; enum { - LINK_RATE_REF_FREQ_IN_KHZ = 27000 /*27MHz*/ + LINK_RATE_REF_FREQ_IN_KHZ = 27000, /*27MHz*/ + BITS_PER_DP_BYTE = 10, + DATA_EFFICIENCY_8b_10b_x10000 = 8000, /* 80% data efficiency */ + DATA_EFFICIENCY_8b_10b_FEC_EFFICIENCY_x100 = 97, /* 97% data efficiency when FEC is enabled */ + DATA_EFFICIENCY_128b_132b_x10000 = 9646, /* 96.71% data efficiency x 99.75% downspread factor */ }; enum link_training_result { @@ -70,6 +74,12 @@ enum link_training_result { LINK_TRAINING_LINK_LOSS, /* Abort link training (because sink unplugged) */ LINK_TRAINING_ABORT, +#if defined(CONFIG_DRM_AMD_DC_DCN) + DP_128b_132b_LT_FAILED, + DP_128b_132b_MAX_LOOP_COUNT_REACHED, + DP_128b_132b_CHANNEL_EQ_DONE_TIMEOUT, + DP_128b_132b_CDS_DONE_TIMEOUT, +#endif }; enum lttpr_mode { @@ -86,11 +96,23 @@ struct link_training_settings { enum dc_pre_emphasis *pre_emphasis; enum dc_post_cursor2 *post_cursor2; bool should_set_fec_ready; +#if defined(CONFIG_DRM_AMD_DC_DCN) + /* TODO - factor lane_settings out because it changes during LT */ + union dc_dp_ffe_preset *ffe_preset; +#endif uint16_t cr_pattern_time; uint16_t eq_pattern_time; + uint16_t cds_pattern_time; enum dc_dp_training_pattern pattern_for_cr; enum dc_dp_training_pattern pattern_for_eq; +#if defined(CONFIG_DRM_AMD_DC_DCN) + enum dc_dp_training_pattern pattern_for_cds; + + uint32_t eq_wait_time_limit; + uint8_t eq_loop_count_limit; + uint32_t cds_wait_time_limit; +#endif bool enhanced_framing; bool allow_invalid_msa_timing_param; |