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| author | Leo (Hanghong) Ma <hanghong.ma@amd.com> | 2021-08-15 21:17:25 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-14 22:57:09 +0300 |
| commit | 3550d6225b1ff8ce0429ad889848dc789edf56e8 (patch) | |
| tree | b709d630fbb8edc2d44c2a1b346bdad1376c3183 /drivers/gpu/drm/amd/display/include | |
| parent | b25715a0155dc2b4efb1700aea829eac10832514 (diff) | |
| download | linux-3550d6225b1ff8ce0429ad889848dc789edf56e8.tar.xz | |
drm/amd/display: Add DPCD writes at key points
This reverts commit "Revert "Add DPCD writes at key points" ".
The following patch will fix the system hang issue.
v2: squash in indentation warning fix
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Acked-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/include')
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/dpcd_defs.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/link_service_types.h | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/include/dpcd_defs.h b/drivers/gpu/drm/amd/display/include/dpcd_defs.h index 6fb7c0145cb6..ffd0df1701e6 100644 --- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h +++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h @@ -165,6 +165,7 @@ enum dpcd_psr_sink_states { PSR_SINK_STATE_SINK_INTERNAL_ERROR = 7, }; +#define DP_SOURCE_SEQUENCE 0x30c #define DP_SOURCE_TABLE_REVISION 0x310 #define DP_SOURCE_PAYLOAD_SIZE 0x311 #define DP_SOURCE_SINK_CAP 0x317 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 c729b50c4f20..9ffea7b40545 100644 --- a/drivers/gpu/drm/amd/display/include/link_service_types.h +++ b/drivers/gpu/drm/amd/display/include/link_service_types.h @@ -191,6 +191,22 @@ enum dp_panel_mode { DP_PANEL_MODE_SPECIAL }; +enum dpcd_source_sequence { + DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG = 1, /*done in apply_single_controller_ctx_to_hw */ + DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR, /*done in core_link_enable_stream */ + DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME, /*done in core_link_enable_stream/dcn20_enable_stream */ + DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE, /*done in perform_link_training_with_retries/dcn20_enable_stream */ + DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY, /*done in dp_enable_link_phy */ + DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN, /*done in dp_set_hw_test_pattern */ + DPCD_SOURCE_SEQ_AFTER_ENABLE_AUDIO_STREAM, /*done in dce110_enable_audio_stream */ + DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM, /*done in enc1_stream_encoder_dp_unblank */ + DPCD_SOURCE_SEQ_AFTER_DISABLE_DP_VID_STREAM, /*done in enc1_stream_encoder_dp_blank */ + DPCD_SOURCE_SEQ_AFTER_FIFO_STEER_RESET, /*done in enc1_stream_encoder_dp_blank */ + DPCD_SOURCE_SEQ_AFTER_DISABLE_AUDIO_STREAM, /*done in dce110_disable_audio_stream */ + DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY, /*done in dp_disable_link_phy */ + DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE, /*done in dce110_disable_stream */ +}; + /* DPCD_ADDR_TRAINING_LANEx_SET registers value */ union dpcd_training_lane_set { struct { |