diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c | 51 |
1 files changed, 25 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c index b621b9771..3e6c7be7e 100644 --- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c +++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c @@ -74,13 +74,16 @@ static void dp_hpo_fixed_vs_pe_retimer_set_tx_ffe(struct dc_link *link, static void dp_hpo_fixed_vs_pe_retimer_program_override_test_pattern(struct dc_link *link, struct encoder_set_dp_phy_pattern_param *tp_params) { + uint8_t clk_src = 0x4C; + uint8_t pattern = 0x4F; /* SQ128 */ + const uint8_t vendor_lttpr_write_data_pg0[4] = {0x1, 0x11, 0x0, 0x0}; - const uint8_t vendor_lttpr_write_data_pg1[4] = {0x1, 0x50, 0x50, 0x0}; - const uint8_t vendor_lttpr_write_data_pg2[4] = {0x1, 0x51, 0x50, 0x0}; + const uint8_t vendor_lttpr_write_data_pg1[4] = {0x1, 0x50, 0x50, clk_src}; + const uint8_t vendor_lttpr_write_data_pg2[4] = {0x1, 0x51, 0x50, clk_src}; const uint8_t vendor_lttpr_write_data_pg3[4] = {0x1, 0x10, 0x58, 0x21}; const uint8_t vendor_lttpr_write_data_pg4[4] = {0x1, 0x10, 0x59, 0x21}; - const uint8_t vendor_lttpr_write_data_pg5[4] = {0x1, 0x1C, 0x58, 0x4F}; - const uint8_t vendor_lttpr_write_data_pg6[4] = {0x1, 0x1C, 0x59, 0x4F}; + const uint8_t vendor_lttpr_write_data_pg5[4] = {0x1, 0x1C, 0x58, pattern}; + const uint8_t vendor_lttpr_write_data_pg6[4] = {0x1, 0x1C, 0x59, pattern}; const uint8_t vendor_lttpr_write_data_pg7[4] = {0x1, 0x30, 0x51, 0x20}; const uint8_t vendor_lttpr_write_data_pg8[4] = {0x1, 0x30, 0x52, 0x20}; const uint8_t vendor_lttpr_write_data_pg9[4] = {0x1, 0x30, 0x54, 0x20}; @@ -123,18 +126,20 @@ static bool dp_hpo_fixed_vs_pe_retimer_set_override_test_pattern(struct dc_link struct encoder_set_dp_phy_pattern_param hw_tp_params = { 0 }; const uint8_t vendor_lttpr_exit_manual_automation_0[4] = {0x1, 0x11, 0x0, 0x06}; + if (!link->dpcd_caps.lttpr_caps.main_link_channel_coding.bits.DP_128b_132b_SUPPORTED) + return false; + if (tp_params == NULL) return false; - if (tp_params->dp_phy_pattern < DP_TEST_PATTERN_SQUARE_BEGIN || - tp_params->dp_phy_pattern > DP_TEST_PATTERN_SQUARE_END) { + if (!IS_DP_PHY_SQUARE_PATTERN(tp_params->dp_phy_pattern)) { // Deprogram overrides from previously set square wave override if (link->current_test_pattern == DP_TEST_PATTERN_80BIT_CUSTOM || link->current_test_pattern == DP_TEST_PATTERN_D102) link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, &vendor_lttpr_exit_manual_automation_0[0], sizeof(vendor_lttpr_exit_manual_automation_0)); - else + else if (IS_DP_PHY_SQUARE_PATTERN(link->current_test_pattern)) dp_dio_fixed_vs_pe_retimer_exit_manual_automation(link); return false; @@ -148,8 +153,6 @@ static bool dp_hpo_fixed_vs_pe_retimer_set_override_test_pattern(struct dc_link dp_hpo_fixed_vs_pe_retimer_program_override_test_pattern(link, tp_params); - dp_hpo_fixed_vs_pe_retimer_set_tx_ffe(link, &link->cur_lane_setting[0]); - return true; } @@ -170,16 +173,18 @@ static void set_hpo_fixed_vs_pe_retimer_dp_lane_settings(struct dc_link *link, const struct dc_link_settings *link_settings, const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]) { - link_res->hpo_dp_link_enc->funcs->set_ffe( - link_res->hpo_dp_link_enc, - link_settings, - lane_settings[0].FFE_PRESET.raw); - - // FFE is programmed when retimer is programmed for SQ128, but explicit - // programming needed here as well in case FFE-only update is requested - if (link->current_test_pattern >= DP_TEST_PATTERN_SQUARE_BEGIN && - link->current_test_pattern <= DP_TEST_PATTERN_SQUARE_END) - dp_hpo_fixed_vs_pe_retimer_set_tx_ffe(link, &lane_settings[0]); + // Don't update our HW FFE when outputting phy test patterns + if (IS_DP_PHY_PATTERN(link->pending_test_pattern)) { + // Directly program FIXED_VS retimer FFE for SQ128 override + if (IS_DP_PHY_SQUARE_PATTERN(link->pending_test_pattern)) { + dp_hpo_fixed_vs_pe_retimer_set_tx_ffe(link, &lane_settings[0]); + } + } else { + link_res->hpo_dp_link_enc->funcs->set_ffe( + link_res->hpo_dp_link_enc, + link_settings, + lane_settings[0].FFE_PRESET.raw); + } } static void enable_hpo_fixed_vs_pe_retimer_dp_link_output(struct dc_link *link, @@ -214,13 +219,7 @@ static const struct link_hwss hpo_fixed_vs_pe_retimer_dp_link_hwss = { bool requires_fixed_vs_pe_retimer_hpo_link_hwss(const struct dc_link *link) { - if (!(link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)) - return false; - - if (!link->dpcd_caps.lttpr_caps.main_link_channel_coding.bits.DP_128b_132b_SUPPORTED) - return false; - - return true; + return requires_fixed_vs_pe_retimer_dio_link_hwss(link); } const struct link_hwss *get_hpo_fixed_vs_pe_retimer_dp_link_hwss(void) |