diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c | 146 |
1 files changed, 136 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c index 574676a0711a..e1e92daba668 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c @@ -29,7 +29,7 @@ #include "dcn20/dcn20_resource.h" #include "dcn30/dcn30_resource.h" - +#include "clk_mgr/dcn30/dcn30_smu11_driver_if.h" #include "display_mode_vba_30.h" #include "dcn30_fpu.h" @@ -181,7 +181,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_0_soc = { void optc3_fpu_set_vrr_m_const(struct timing_generator *optc, double vtotal_avg) { -struct optc *optc1 = DCN10TG_FROM_TG(optc); + struct optc *optc1 = DCN10TG_FROM_TG(optc); double vtotal_min, vtotal_max; double ratio, modulo, phase; uint32_t vblank_start; @@ -350,24 +350,24 @@ void dcn30_fpu_set_mcif_arb_params(struct mcif_arb_params *wb_arb_params, int pipe_cnt, int cur_pipe) { - int i; + int i; dc_assert_fp_enabled(); - for (i = 0; i < sizeof(wb_arb_params->cli_watermark)/sizeof(wb_arb_params->cli_watermark[0]); i++) { + for (i = 0; i < ARRAY_SIZE(wb_arb_params->cli_watermark); i++) { wb_arb_params->cli_watermark[i] = get_wm_writeback_urgent(dml, pipes, pipe_cnt) * 1000; wb_arb_params->pstate_watermark[i] = get_wm_writeback_dram_clock_change(dml, pipes, pipe_cnt) * 1000; - } + } - wb_arb_params->dram_speed_change_duration = dml->vba.WritebackAllowDRAMClockChangeEndPosition[cur_pipe] * pipes[0].clks_cfg.refclk_mhz; /* num_clock_cycles = us * MHz */ + wb_arb_params->dram_speed_change_duration = dml->vba.WritebackAllowDRAMClockChangeEndPosition[cur_pipe] * pipes[0].clks_cfg.refclk_mhz; /* num_clock_cycles = us * MHz */ } void dcn30_fpu_update_soc_for_wm_a(struct dc *dc, struct dc_state *context) { -dc_assert_fp_enabled(); + dc_assert_fp_enabled(); -if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].valid) { + if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].valid) { context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us; context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us; context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us; @@ -380,12 +380,12 @@ void dcn30_fpu_calculate_wm_and_dlg( int pipe_cnt, int vlevel) { -int maxMpcComb = context->bw_ctx.dml.vba.maxMpcComb; + int maxMpcComb = context->bw_ctx.dml.vba.maxMpcComb; int i, pipe_idx; double dcfclk = context->bw_ctx.dml.vba.DCFCLKState[vlevel][maxMpcComb]; bool pstate_en = context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][maxMpcComb] != dm_dram_clock_change_unsupported; -dc_assert_fp_enabled(); + dc_assert_fp_enabled(); if (context->bw_ctx.dml.soc.min_dcfclk > dcfclk) dcfclk = context->bw_ctx.dml.soc.min_dcfclk; @@ -529,6 +529,8 @@ dc_assert_fp_enabled(); context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us; + if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) + dcn30_setup_mclk_switch_using_fw_based_vblank_stretch(dc, context); } void dcn30_fpu_update_dram_channel_width_bytes(struct dc *dc) @@ -614,4 +616,128 @@ void dcn30_fpu_update_bw_bounding_box(struct dc *dc, } +/** + * Finds dummy_latency_index when MCLK switching using firmware based + * vblank stretch is enabled. This function will iterate through the + * table of dummy pstate latencies until the lowest value that allows + * dm_allow_self_refresh_and_mclk_switch to happen is found + */ +int dcn30_find_dummy_latency_index_for_fw_based_mclk_switch(struct dc *dc, + struct dc_state *context, + display_e2e_pipe_params_st *pipes, + int pipe_cnt, + int vlevel) +{ + const int max_latency_table_entries = 4; + int dummy_latency_index = 0; + + dc_assert_fp_enabled(); + while (dummy_latency_index < max_latency_table_entries) { + context->bw_ctx.dml.soc.dram_clock_change_latency_us = + dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us; + dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, false); + + if (context->bw_ctx.dml.soc.allow_dram_self_refresh_or_dram_clock_change_in_vblank == + dm_allow_self_refresh_and_mclk_switch) + break; + + dummy_latency_index++; + } + + if (dummy_latency_index == max_latency_table_entries) { + ASSERT(dummy_latency_index != max_latency_table_entries); + /* If the execution gets here, it means dummy p_states are + * not possible. This should never happen and would mean + * something is severely wrong. + * Here we reset dummy_latency_index to 3, because it is + * better to have underflows than system crashes. + */ + dummy_latency_index = 3; + } + + return dummy_latency_index; +} + +void dcn3_fpu_build_wm_range_table(struct clk_mgr *base) +{ + /* defaults */ + double pstate_latency_us = base->ctx->dc->dml.soc.dram_clock_change_latency_us; + double sr_exit_time_us = base->ctx->dc->dml.soc.sr_exit_time_us; + double sr_enter_plus_exit_time_us = base->ctx->dc->dml.soc.sr_enter_plus_exit_time_us; + uint16_t min_uclk_mhz = base->bw_params->clk_table.entries[0].memclk_mhz; + + dc_assert_fp_enabled(); + + /* Set A - Normal - default values*/ + base->bw_params->wm_table.nv_entries[WM_A].valid = true; + base->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us = pstate_latency_us; + base->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us = sr_exit_time_us; + base->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = 0; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF; + + /* Set B - Performance - higher minimum clocks */ +// base->bw_params->wm_table.nv_entries[WM_B].valid = true; +// base->bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us = pstate_latency_us; +// base->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us = sr_exit_time_us; +// base->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = TUNED VALUE; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_dcfclk = 0xFFFF; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_uclk = TUNED VALUE; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_uclk = 0xFFFF; + + /* Set C - Dummy P-State - P-State latency set to "dummy p-state" value */ + base->bw_params->wm_table.nv_entries[WM_C].valid = true; + base->bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = 0; + base->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us = sr_exit_time_us; + base->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_dcfclk = 0; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_dcfclk = 0xFFFF; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_uclk = min_uclk_mhz; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_uclk = 0xFFFF; + base->bw_params->dummy_pstate_table[0].dram_speed_mts = 1600; + base->bw_params->dummy_pstate_table[0].dummy_pstate_latency_us = 38; + base->bw_params->dummy_pstate_table[1].dram_speed_mts = 8000; + base->bw_params->dummy_pstate_table[1].dummy_pstate_latency_us = 9; + base->bw_params->dummy_pstate_table[2].dram_speed_mts = 10000; + base->bw_params->dummy_pstate_table[2].dummy_pstate_latency_us = 8; + base->bw_params->dummy_pstate_table[3].dram_speed_mts = 16000; + base->bw_params->dummy_pstate_table[3].dummy_pstate_latency_us = 5; + + /* Set D - MALL - SR enter and exit times adjusted for MALL */ + base->bw_params->wm_table.nv_entries[WM_D].valid = true; + base->bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us = pstate_latency_us; + base->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us = 2; + base->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us = 4; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.wm_type = WATERMARKS_MALL; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_dcfclk = 0; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_dcfclk = 0xFFFF; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_uclk = min_uclk_mhz; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_uclk = 0xFFFF; +} + +void patch_dcn30_soc_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st *dcn3_0_ip) +{ + dc_assert_fp_enabled(); + + if (dc->ctx->dc_bios->funcs->get_soc_bb_info) { + struct bp_soc_bb_info bb_info = {0}; + + if (dc->ctx->dc_bios->funcs->get_soc_bb_info(dc->ctx->dc_bios, &bb_info) == BP_RESULT_OK) { + if (bb_info.dram_clock_change_latency_100ns > 0) + dcn3_0_soc.dram_clock_change_latency_us = bb_info.dram_clock_change_latency_100ns * 10; + + if (bb_info.dram_sr_enter_exit_latency_100ns > 0) + dcn3_0_soc.sr_enter_plus_exit_time_us = bb_info.dram_sr_enter_exit_latency_100ns * 10; + + if (bb_info.dram_sr_exit_latency_100ns > 0) + dcn3_0_soc.sr_exit_time_us = bb_info.dram_sr_exit_latency_100ns * 10; + } + } +} |