diff options
| author | Michael Strauss <michael.strauss@amd.com> | 2023-06-12 17:27:09 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-07-18 18:12:42 +0300 |
| commit | c4e532f75336ad03a4d7248b38fa56091dbaeba4 (patch) | |
| tree | 1c5939fdaa43d9c2a7da6d0af5fe8cde76fb7d6a /drivers/gpu | |
| parent | ac30aeae7ab9eb57eeb6f0763db16bdc003ba4aa (diff) | |
| download | linux-c4e532f75336ad03a4d7248b38fa56091dbaeba4.tar.xz | |
drm/amd/display: Re-add aux intercept disable delay generically for 2+ LTTPRs
[WHY]
Issue not display generic, required for multiple 2+ LTTPR link configurations.
[HOW]
Revert monitor patch change and remove delay for single LTTPR case
Reviewed-by: George Shen <george.shen@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_types.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c | 25 |
3 files changed, 13 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 358cfa86b7fa..194f185e7798 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -861,6 +861,7 @@ struct dc_debug_options { bool psr_skip_crtc_disable; union dpia_debug_options dpia_debug; bool disable_fixed_vs_aux_timeout_wa; + uint32_t fixed_vs_aux_delay_config_wa; bool force_disable_subvp; bool force_subvp_mclk_switch; bool allow_sw_cursor_fallback; diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index 0ce7728a5a4b..0564f55aa595 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -189,7 +189,6 @@ struct dc_panel_patch { unsigned int disable_fams; unsigned int skip_avmute; unsigned int mst_start_top_delay; - unsigned int delay_disable_aux_intercept_ms; }; struct dc_edid_caps { diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c index 15faaf645b14..2a4f70acc7fa 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c @@ -244,10 +244,6 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence_legacy( uint8_t toggle_rate; uint8_t rate; - if (link->local_sink) - pre_disable_intercept_delay_ms = - link->local_sink->edid_caps.panel_patch.delay_disable_aux_intercept_ms; - /* Only 8b/10b is supported */ ASSERT(link_dp_get_encoding_format(<_settings->link_settings) == DP_8b_10b_ENCODING); @@ -260,10 +256,13 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence_legacy( if (offset != 0xFF) { vendor_lttpr_write_address += ((DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE) * (offset - 1)); + if (offset == 2) { + pre_disable_intercept_delay_ms = link->dc->debug.fixed_vs_aux_delay_config_wa; /* Certain display and cable configuration require extra delay */ - if (offset > 2) - pre_disable_intercept_delay_ms = pre_disable_intercept_delay_ms * 2; + } else if (offset > 2) { + pre_disable_intercept_delay_ms = link->dc->debug.fixed_vs_aux_delay_config_wa * 2; + } } /* Vendor specific: Reset lane settings */ @@ -596,9 +595,10 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence( const uint8_t vendor_lttpr_write_data_adicora_eq1[4] = {0x1, 0x55, 0x63, 0x2E}; const uint8_t vendor_lttpr_write_data_adicora_eq2[4] = {0x1, 0x55, 0x63, 0x01}; const uint8_t vendor_lttpr_write_data_adicora_eq3[4] = {0x1, 0x55, 0x63, 0x68}; + uint32_t pre_disable_intercept_delay_ms = 0; uint8_t vendor_lttpr_write_data_vs[4] = {0x1, 0x51, 0x63, 0x0}; uint8_t vendor_lttpr_write_data_pe[4] = {0x1, 0x52, 0x63, 0x0}; - uint32_t pre_disable_intercept_delay_ms = 0; + uint32_t vendor_lttpr_write_address = 0xF004F; enum link_training_result status = LINK_TRAINING_SUCCESS; uint8_t lane = 0; @@ -607,10 +607,6 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence( uint8_t toggle_rate; uint8_t rate; - if (link->local_sink) - pre_disable_intercept_delay_ms = - link->local_sink->edid_caps.panel_patch.delay_disable_aux_intercept_ms; - /* Only 8b/10b is supported */ ASSERT(link_dp_get_encoding_format(<_settings->link_settings) == DP_8b_10b_ENCODING); @@ -623,10 +619,13 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence( if (offset != 0xFF) { vendor_lttpr_write_address += ((DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE) * (offset - 1)); + if (offset == 2) { + pre_disable_intercept_delay_ms = link->dc->debug.fixed_vs_aux_delay_config_wa; /* Certain display and cable configuration require extra delay */ - if (offset > 2) - pre_disable_intercept_delay_ms = pre_disable_intercept_delay_ms * 2; + } else if (offset > 2) { + pre_disable_intercept_delay_ms = link->dc->debug.fixed_vs_aux_delay_config_wa * 2; + } } /* Vendor specific: Reset lane settings */ |