diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/power/power_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 327 |
1 files changed, 310 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c index 2b00f334e93d..fd139b219bf9 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -31,7 +31,7 @@ #define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b)) #define bswap16_based_on_endian(big_endian, value) \ - (big_endian) ? cpu_to_be16(value) : cpu_to_le16(value) + ((big_endian) ? cpu_to_be16(value) : cpu_to_le16(value)) /* Possible Min Reduction config from least aggressive to most aggressive * 0 1 2 3 4 5 6 7 8 9 10 11 12 @@ -102,9 +102,39 @@ static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = {0x82, 0x4d, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, }; +static const struct abm_parameters abm_settings_config2[abm_defines_max_level] = { +// min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart + {0xf0, 0xbf, 0x20, 0x00, 0x88, 0x99, 0xb3, 0x40, 0xe0, 0x0000, 0xcccc}, + {0xd8, 0x85, 0x20, 0x00, 0x70, 0x90, 0xa8, 0x40, 0xc8, 0x0700, 0xb333}, + {0xb8, 0x58, 0x20, 0x00, 0x64, 0x88, 0x78, 0x70, 0xa0, 0x7000, 0x9999}, + {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xc333, 0xb333}, +}; + static const struct abm_parameters * const abm_settings[] = { abm_settings_config0, abm_settings_config1, + abm_settings_config2, +}; + +static const struct dm_bl_data_point custom_backlight_curve0[] = { + {2, 14}, {4, 16}, {6, 18}, {8, 21}, {10, 23}, {12, 26}, {14, 29}, {16, 32}, {18, 35}, + {20, 38}, {22, 41}, {24, 44}, {26, 48}, {28, 52}, {30, 55}, {32, 59}, {34, 62}, + {36, 67}, {38, 71}, {40, 75}, {42, 80}, {44, 84}, {46, 88}, {48, 93}, {50, 98}, + {52, 103}, {54, 108}, {56, 113}, {58, 118}, {60, 123}, {62, 129}, {64, 135}, {66, 140}, + {68, 146}, {70, 152}, {72, 158}, {74, 164}, {76, 171}, {78, 177}, {80, 183}, {82, 190}, + {84, 197}, {86, 204}, {88, 211}, {90, 218}, {92, 225}, {94, 232}, {96, 240}, {98, 247}}; + +struct custom_backlight_profile { + uint8_t ac_level_percentage; + uint8_t dc_level_percentage; + uint8_t min_input_signal; + uint8_t max_input_signal; + uint8_t num_data_points; + const struct dm_bl_data_point *data_points; +}; + +static const struct custom_backlight_profile custom_backlight_profiles[] = { + {100, 32, 12, 255, ARRAY_SIZE(custom_backlight_curve0), custom_backlight_curve0}, }; #define NUM_AMBI_LEVEL 5 @@ -669,13 +699,8 @@ bool dmub_init_abm_config(struct resource_pool *res_pool, bool result = false; uint32_t i, j = 0; -#if defined(CONFIG_DRM_AMD_DC_DCN) if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) return false; -#else - if (res_pool->abm == NULL) - return false; -#endif memset(&ram_table, 0, sizeof(ram_table)); memset(&config, 0, sizeof(config)); @@ -718,22 +743,20 @@ bool dmub_init_abm_config(struct resource_pool *res_pool, for (i = 0; i < NUM_AGGR_LEVEL; i++) { config.blRampReduction[i] = params.backlight_ramping_reduction; config.blRampStart[i] = params.backlight_ramping_start; - } - } else { - for (i = 0; i < NUM_AGGR_LEVEL; i++) { - config.blRampReduction[i] = abm_settings[set][i].blRampReduction; - config.blRampStart[i] = abm_settings[set][i].blRampStart; - } - } + } + } else { + for (i = 0; i < NUM_AGGR_LEVEL; i++) { + config.blRampReduction[i] = abm_settings[set][i].blRampReduction; + config.blRampStart[i] = abm_settings[set][i].blRampStart; + } + } config.min_abm_backlight = ram_table.min_abm_backlight; -#if defined(CONFIG_DRM_AMD_DC_DCN) if (res_pool->multiple_abms[inst]) { result = res_pool->multiple_abms[inst]->funcs->init_abm_config( res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst); } else -#endif result = res_pool->abm->funcs->init_abm_config( res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0); @@ -756,8 +779,8 @@ bool dmcu_load_iram(struct dmcu *dmcu, if (dmcu->dmcu_version.abm_version == 0x24) { fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); - result = dmcu->funcs->load_iram( - dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); + result = dmcu->funcs->load_iram(dmcu, 0, (char *)(&ram_table), + IRAM_RESERVE_AREA_START_V2_2); } else if (dmcu->dmcu_version.abm_version == 0x23) { fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); @@ -784,3 +807,273 @@ bool dmcu_load_iram(struct dmcu *dmcu, return result; } +/* + * is_psr_su_specific_panel() - check if sink is AMD vendor-specific PSR-SU + * supported eDP device. + * + * @link: dc link pointer + * + * Return: true if AMDGPU vendor specific PSR-SU eDP panel + */ +bool is_psr_su_specific_panel(struct dc_link *link) +{ + bool isPSRSUSupported = false; + struct dpcd_caps *dpcd_caps = &link->dpcd_caps; + + if (dpcd_caps->edp_rev >= DP_EDP_14) { + if (dpcd_caps->psr_info.psr_version >= DP_PSR2_WITH_Y_COORD_ET_SUPPORTED) + isPSRSUSupported = true; + /* + * Some panels will report PSR capabilities over additional DPCD bits. + * Such panels are approved despite reporting only PSR v3, as long as + * the additional bits are reported. + */ + if (dpcd_caps->sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) { + /* + * This is the temporary workaround to disable PSRSU when system turned on + * DSC function on the sepcific sink. + */ + if (dpcd_caps->psr_info.psr_version < DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) + isPSRSUSupported = false; + else if (dpcd_caps->dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT && + ((dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x08) || + (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x07))) + isPSRSUSupported = false; + else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03) + isPSRSUSupported = false; + else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x01) + isPSRSUSupported = false; + else if (dpcd_caps->psr_info.force_psrsu_cap == 0x1) + isPSRSUSupported = true; + } + } + + return isPSRSUSupported; +} + +/** + * mod_power_calc_psr_configs() - calculate/update generic psr configuration fields. + * @psr_config: [output], psr configuration structure to be updated + * @link: [input] dc link pointer + * @stream: [input] dc stream state pointer + * + * calculate and update the psr configuration fields that are not DM specific, i.e. such + * fields which are based on DPCD caps or timing information. To setup PSR in DMUB FW, + * this helper is assumed to be called before the call of the DC helper dc_link_setup_psr(). + * + * PSR config fields to be updated within the helper: + * - psr_rfb_setup_time + * - psr_sdp_transmit_line_num_deadline + * - line_time_in_us + * - su_y_granularity + * - su_granularity_required + * - psr_frame_capture_indication_req + * - psr_exit_link_training_required + * + * PSR config fields that are DM specific and NOT updated within the helper: + * - allow_smu_optimizations + * - allow_multi_disp_optimizations + */ +void mod_power_calc_psr_configs(struct psr_config *psr_config, + struct dc_link *link, + const struct dc_stream_state *stream) +{ + unsigned int num_vblank_lines = 0; + unsigned int vblank_time_in_us = 0; + unsigned int sdp_tx_deadline_in_us = 0; + unsigned int line_time_in_us = 0; + struct dpcd_caps *dpcd_caps = &link->dpcd_caps; + const int psr_setup_time_step_in_us = 55; /* refer to eDP spec DPCD 0x071h */ + + /* timing parameters */ + num_vblank_lines = stream->timing.v_total - + stream->timing.v_addressable - + stream->timing.v_border_top - + stream->timing.v_border_bottom; + + vblank_time_in_us = (stream->timing.h_total * num_vblank_lines * 1000) / (stream->timing.pix_clk_100hz / 10); + + line_time_in_us = ((stream->timing.h_total * 1000) / (stream->timing.pix_clk_100hz / 10)) + 1; + + /** + * psr configuration fields + * + * as per eDP 1.5 pg. 377 of 459, DPCD 0x071h bits [3:1], psr setup time bits interpreted as below + * 000b <--> 330 us (default) + * 001b <--> 275 us + * 010b <--> 220 us + * 011b <--> 165 us + * 100b <--> 110 us + * 101b <--> 055 us + * 110b <--> 000 us + */ + psr_config->psr_rfb_setup_time = + (6 - dpcd_caps->psr_info.psr_dpcd_caps.bits.PSR_SETUP_TIME) * psr_setup_time_step_in_us; + + if (psr_config->psr_rfb_setup_time > vblank_time_in_us) { + link->psr_settings.psr_frame_capture_indication_req = true; + link->psr_settings.psr_sdp_transmit_line_num_deadline = num_vblank_lines; + } else { + sdp_tx_deadline_in_us = vblank_time_in_us - psr_config->psr_rfb_setup_time; + + /* Set the last possible line SDP may be transmitted without violating the RFB setup time */ + link->psr_settings.psr_frame_capture_indication_req = false; + link->psr_settings.psr_sdp_transmit_line_num_deadline = sdp_tx_deadline_in_us / line_time_in_us; + } + + psr_config->psr_sdp_transmit_line_num_deadline = link->psr_settings.psr_sdp_transmit_line_num_deadline; + psr_config->line_time_in_us = line_time_in_us; + psr_config->su_y_granularity = dpcd_caps->psr_info.psr2_su_y_granularity_cap; + psr_config->su_granularity_required = dpcd_caps->psr_info.psr_dpcd_caps.bits.SU_GRANULARITY_REQUIRED; + psr_config->psr_frame_capture_indication_req = link->psr_settings.psr_frame_capture_indication_req; + psr_config->psr_exit_link_training_required = + !link->dpcd_caps.psr_info.psr_dpcd_caps.bits.LINK_TRAINING_ON_EXIT_NOT_REQUIRED; +} + +void init_replay_config(struct dc_link *link, struct replay_config *pr_config) +{ + link->replay_settings.config = *pr_config; +} + +bool mod_power_only_edp(const struct dc_state *context, const struct dc_stream_state *stream) +{ + return context && context->stream_count == 1 && dc_is_embedded_signal(stream->signal); +} + +bool psr_su_set_dsc_slice_height(struct dc *dc, struct dc_link *link, + struct dc_stream_state *stream, + struct psr_config *config) +{ + uint16_t pic_height; + uint16_t slice_height; + + config->dsc_slice_height = 0; + if (!(link->connector_signal & SIGNAL_TYPE_EDP) || + !dc->caps.edp_dsc_support || + link->panel_config.dsc.disable_dsc_edp || + !link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT || + !stream->timing.dsc_cfg.num_slices_v) + return true; + + pic_height = stream->timing.v_addressable + + stream->timing.v_border_top + stream->timing.v_border_bottom; + + if (stream->timing.dsc_cfg.num_slices_v == 0) + return false; + + slice_height = pic_height / stream->timing.dsc_cfg.num_slices_v; + config->dsc_slice_height = slice_height; + + if (slice_height) { + if (config->su_y_granularity && + (slice_height % config->su_y_granularity)) { + ASSERT(0); + return false; + } + } + + return true; +} + +void set_replay_frame_skip_number(struct dc_link *link, + enum replay_coasting_vtotal_type type, + uint32_t coasting_vtotal_refresh_rate_mhz, + uint32_t flicker_free_refresh_rate_mhz, + bool is_defer) +{ + uint32_t *frame_skip_number_array = NULL; + uint32_t frame_skip_number = 0; + + if (link == NULL || flicker_free_refresh_rate_mhz == 0 || coasting_vtotal_refresh_rate_mhz == 0) + return; + + if (is_defer) + frame_skip_number_array = link->replay_settings.defer_frame_skip_number_table; + else + frame_skip_number_array = link->replay_settings.frame_skip_number_table; + + if (frame_skip_number_array == NULL) + return; + + frame_skip_number = coasting_vtotal_refresh_rate_mhz / flicker_free_refresh_rate_mhz; + + if (frame_skip_number >= 1) + frame_skip_number_array[type] = frame_skip_number - 1; + else + frame_skip_number_array[type] = 0; +} + +void set_replay_defer_update_coasting_vtotal(struct dc_link *link, + enum replay_coasting_vtotal_type type, + uint32_t vtotal) +{ + link->replay_settings.defer_update_coasting_vtotal_table[type] = vtotal; +} + +void update_replay_coasting_vtotal_from_defer(struct dc_link *link, + enum replay_coasting_vtotal_type type) +{ + link->replay_settings.coasting_vtotal_table[type] = + link->replay_settings.defer_update_coasting_vtotal_table[type]; + link->replay_settings.frame_skip_number_table[type] = + link->replay_settings.defer_frame_skip_number_table[type]; +} + +void set_replay_coasting_vtotal(struct dc_link *link, + enum replay_coasting_vtotal_type type, + uint32_t vtotal) +{ + link->replay_settings.coasting_vtotal_table[type] = vtotal; +} + +void set_replay_low_rr_full_screen_video_src_vtotal(struct dc_link *link, uint16_t vtotal) +{ + link->replay_settings.low_rr_full_screen_video_pseudo_vtotal = vtotal; +} + +void calculate_replay_link_off_frame_count(struct dc_link *link, + uint16_t vtotal, uint16_t htotal) +{ + uint8_t max_link_off_frame_count = 0; + uint16_t max_deviation_line = 0, pixel_deviation_per_line = 0; + + if (!link || link->replay_settings.config.replay_version != DC_FREESYNC_REPLAY) + return; + + max_deviation_line = link->dpcd_caps.pr_info.max_deviation_line; + pixel_deviation_per_line = link->dpcd_caps.pr_info.pixel_deviation_per_line; + + if (htotal != 0 && vtotal != 0 && pixel_deviation_per_line != 0) + max_link_off_frame_count = htotal * max_deviation_line / (pixel_deviation_per_line * vtotal); + else + ASSERT(0); + + link->replay_settings.link_off_frame_count = max_link_off_frame_count; +} + +bool fill_custom_backlight_caps(unsigned int config_no, struct dm_acpi_atif_backlight_caps *caps) +{ + unsigned int data_points_size; + + if (config_no >= ARRAY_SIZE(custom_backlight_profiles)) + return false; + + data_points_size = custom_backlight_profiles[config_no].num_data_points + * sizeof(custom_backlight_profiles[config_no].data_points[0]); + + caps->size = sizeof(struct dm_acpi_atif_backlight_caps) - sizeof(caps->data_points) + data_points_size; + caps->flags = 0; + caps->error_code = 0; + caps->ac_level_percentage = custom_backlight_profiles[config_no].ac_level_percentage; + caps->dc_level_percentage = custom_backlight_profiles[config_no].dc_level_percentage; + caps->min_input_signal = custom_backlight_profiles[config_no].min_input_signal; + caps->max_input_signal = custom_backlight_profiles[config_no].max_input_signal; + caps->num_data_points = custom_backlight_profiles[config_no].num_data_points; + memcpy(caps->data_points, custom_backlight_profiles[config_no].data_points, data_points_size); + return true; +} + +void reset_replay_dsync_error_count(struct dc_link *link) +{ + link->replay_settings.replay_desync_error_fail_count = 0; +} |