diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316')
4 files changed, 1259 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c new file mode 100644 index 000000000000..187f5b27fdc8 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c @@ -0,0 +1,721 @@ +/* + * Copyright 2021 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + + + +#include "dccg.h" +#include "clk_mgr_internal.h" + +// For dce12_get_dp_ref_freq_khz +#include "dce100/dce_clk_mgr.h" +// For dcn20_update_clocks_update_dpp_dto +#include "dcn20/dcn20_clk_mgr.h" +#include "dcn31/dcn31_clk_mgr.h" +#include "dcn316_clk_mgr.h" +#include "reg_helper.h" +#include "core_types.h" +#include "dcn316_smu.h" +#include "dm_helpers.h" +#include "dc_dmub_srv.h" +#include "dc_link_dp.h" + +// DCN316 this is CLK1 instance +#define MAX_INSTANCE 7 +#define MAX_SEGMENT 6 + +struct IP_BASE_INSTANCE +{ + unsigned int segment[MAX_SEGMENT]; +}; + +struct IP_BASE +{ + struct IP_BASE_INSTANCE instance[MAX_INSTANCE]; +}; + +static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0, 0 } }, + { { 0x00016E00, 0x02401C00, 0, 0, 0, 0 } }, + { { 0x00017000, 0x02402000, 0, 0, 0, 0 } }, + { { 0x00017200, 0x02402400, 0, 0, 0, 0 } }, + { { 0x0001B000, 0x0242D800, 0, 0, 0, 0 } }, + { { 0x0001B200, 0x0242DC00, 0, 0, 0, 0 } }, + { { 0x0001B400, 0x0242E000, 0, 0, 0, 0 } } } }; + +#define regCLK1_CLK_PLL_REQ 0x0237 +#define regCLK1_CLK_PLL_REQ_BASE_IDX 0 + +#define CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x0 +#define CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc +#define CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10 +#define CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL +#define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L +#define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L + +#define REG(reg_name) \ + (CLK_BASE.instance[0].segment[reg ## reg_name ## _BASE_IDX] + reg ## reg_name) + +#define TO_CLK_MGR_DCN316(clk_mgr)\ + container_of(clk_mgr, struct clk_mgr_dcn316, base) + +static int dcn316_get_active_display_cnt_wa( + struct dc *dc, + struct dc_state *context) +{ + int i, display_count; + bool tmds_present = false; + + display_count = 0; + for (i = 0; i < context->stream_count; i++) { + const struct dc_stream_state *stream = context->streams[i]; + + if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A || + stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK || + stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) + tmds_present = true; + } + + for (i = 0; i < dc->link_count; i++) { + const struct dc_link *link = dc->links[i]; + + /* abusing the fact that the dig and phy are coupled to see if the phy is enabled */ + if (link->link_enc && link->link_enc->funcs->is_dig_enabled && + link->link_enc->funcs->is_dig_enabled(link->link_enc)) + display_count++; + } + + /* WA for hang on HDMI after display off back back on*/ + if (display_count == 0 && tmds_present) + display_count = 1; + + return display_count; +} + +static void dcn316_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool disable) +{ + struct dc *dc = clk_mgr_base->ctx->dc; + int i; + + for (i = 0; i < dc->res_pool->pipe_count; ++i) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->top_pipe || pipe->prev_odm_pipe) + continue; + if (pipe->stream && (pipe->stream->dpms_off || pipe->plane_state == NULL || + dc_is_virtual_signal(pipe->stream->signal))) { + if (disable) { + pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg); + reset_sync_context_for_pipe(dc, context, i); + } else + pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); + } + } +} + +static void dcn316_enable_pme_wa(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + dcn316_smu_enable_pme_wa(clk_mgr); +} + +static void dcn316_update_clocks(struct clk_mgr *clk_mgr_base, + struct dc_state *context, + bool safe_to_lower) +{ + union dmub_rb_cmd cmd; + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; + struct dc *dc = clk_mgr_base->ctx->dc; + int display_count; + bool update_dppclk = false; + bool update_dispclk = false; + bool dpp_clock_lowered = false; + + if (dc->work_arounds.skip_clock_update) + return; + + /* + * if it is safe to lower, but we are already in the lower state, we don't have to do anything + * also if safe to lower is false, we just go in the higher state + */ + clk_mgr_base->clks.zstate_support = new_clocks->zstate_support; + if (safe_to_lower) { + if (clk_mgr_base->clks.dtbclk_en && !new_clocks->dtbclk_en) { + dcn316_smu_set_dtbclk(clk_mgr, false); + clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en; + } + /* check that we're not already in lower */ + if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { + display_count = dcn316_get_active_display_cnt_wa(dc, context); + /* if we can go lower, go lower */ + if (display_count == 0) { + union display_idle_optimization_u idle_info = { 0 }; + idle_info.idle_info.df_request_disabled = 1; + idle_info.idle_info.phy_ref_clk_off = 1; + idle_info.idle_info.s0i2_rdy = 1; + dcn316_smu_set_display_idle_optimization(clk_mgr, idle_info.data); + /* update power state */ + clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; + } + } + } else { + if (!clk_mgr_base->clks.dtbclk_en && new_clocks->dtbclk_en) { + dcn316_smu_set_dtbclk(clk_mgr, true); + clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en; + } + + /* check that we're not already in D0 */ + if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_MISSION_MODE) { + union display_idle_optimization_u idle_info = { 0 }; + dcn316_smu_set_display_idle_optimization(clk_mgr, idle_info.data); + /* update power state */ + clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_MISSION_MODE; + } + } + + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) { + clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz; + dcn316_smu_set_hard_min_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_khz); + } + + if (should_set_clock(safe_to_lower, + new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) { + clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; + dcn316_smu_set_min_deep_sleep_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_deep_sleep_khz); + } + + // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. + if (!IS_DIAG_DC(dc->ctx->dce_environment)) { + if (new_clocks->dppclk_khz < 100000) + new_clocks->dppclk_khz = 100000; + if (new_clocks->dispclk_khz < 100000) + new_clocks->dispclk_khz = 100000; + } + + if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { + if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) + dpp_clock_lowered = true; + clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz; + update_dppclk = true; + } + + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { + dcn316_disable_otg_wa(clk_mgr_base, context, true); + + clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; + dcn316_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz); + dcn316_disable_otg_wa(clk_mgr_base, context, false); + + update_dispclk = true; + } + + if (dpp_clock_lowered) { + // increase per DPP DTO before lowering global dppclk + dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + dcn316_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + } else { + // increase global DPPCLK before lowering per DPP DTO + if (update_dppclk || update_dispclk) + dcn316_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + // always update dtos unless clock is lowered and not safe to lower + if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz) + dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + } + + // notify DMCUB of latest clocks + memset(&cmd, 0, sizeof(cmd)); + cmd.notify_clocks.header.type = DMUB_CMD__CLK_MGR; + cmd.notify_clocks.header.sub_type = DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS; + cmd.notify_clocks.clocks.dcfclk_khz = clk_mgr_base->clks.dcfclk_khz; + cmd.notify_clocks.clocks.dcfclk_deep_sleep_khz = + clk_mgr_base->clks.dcfclk_deep_sleep_khz; + cmd.notify_clocks.clocks.dispclk_khz = clk_mgr_base->clks.dispclk_khz; + cmd.notify_clocks.clocks.dppclk_khz = clk_mgr_base->clks.dppclk_khz; + + dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv); + dc_dmub_srv_wait_idle(dc->ctx->dmub_srv); +} + +static void dcn316_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass, + struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info) +{ + return; +} + +static struct clk_bw_params dcn316_bw_params = { + .vram_type = Ddr4MemType, + .num_channels = 1, + .clk_table = { + .num_entries = 5, + }, + +}; + +static struct wm_table ddr4_wm_table = { + .entries = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 6.09, + .sr_enter_plus_exit_time_us = 7.14, + .valid = true, + }, + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 10.12, + .sr_enter_plus_exit_time_us = 11.48, + .valid = true, + }, + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 10.12, + .sr_enter_plus_exit_time_us = 11.48, + .valid = true, + }, + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 10.12, + .sr_enter_plus_exit_time_us = 11.48, + .valid = true, + }, + } +}; + +static struct wm_table lpddr5_wm_table = { + .entries = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, + .valid = true, + }, + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, + .valid = true, + }, + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, + .valid = true, + }, + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, + .valid = true, + }, + } +}; + +static DpmClocks_316_t dummy_clocks; + +static struct dcn316_watermarks dummy_wms = { 0 }; + +static void dcn316_build_watermark_ranges(struct clk_bw_params *bw_params, struct dcn316_watermarks *table) +{ + int i, num_valid_sets; + + num_valid_sets = 0; + + for (i = 0; i < WM_SET_COUNT; i++) { + /* skip empty entries, the smu array has no holes*/ + if (!bw_params->wm_table.entries[i].valid) + continue; + + table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmSetting = bw_params->wm_table.entries[i].wm_inst; + table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType = bw_params->wm_table.entries[i].wm_type; + /* We will not select WM based on fclk, so leave it as unconstrained */ + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0; + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF; + + if (table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType == WM_TYPE_PSTATE_CHG) { + if (i == 0) + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk = 0; + else { + /* add 1 to make it non-overlapping with next lvl */ + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk = + bw_params->clk_table.entries[i - 1].dcfclk_mhz + 1; + } + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxMclk = + bw_params->clk_table.entries[i].dcfclk_mhz; + + } else { + /* unconstrained for memory retraining */ + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0; + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF; + + /* Modify previous watermark range to cover up to max */ + table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF; + } + num_valid_sets++; + } + + ASSERT(num_valid_sets != 0); /* Must have at least one set of valid watermarks */ + + /* modify the min and max to make sure we cover the whole range*/ + table->WatermarkRow[WM_DCFCLK][0].MinMclk = 0; + table->WatermarkRow[WM_DCFCLK][0].MinClock = 0; + table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxMclk = 0xFFFF; + table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF; + + /* This is for writeback only, does not matter currently as no writeback support*/ + table->WatermarkRow[WM_SOCCLK][0].WmSetting = WM_A; + table->WatermarkRow[WM_SOCCLK][0].MinClock = 0; + table->WatermarkRow[WM_SOCCLK][0].MaxClock = 0xFFFF; + table->WatermarkRow[WM_SOCCLK][0].MinMclk = 0; + table->WatermarkRow[WM_SOCCLK][0].MaxMclk = 0xFFFF; +} + +static void dcn316_notify_wm_ranges(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct clk_mgr_dcn316 *clk_mgr_dcn316 = TO_CLK_MGR_DCN316(clk_mgr); + struct dcn316_watermarks *table = clk_mgr_dcn316->smu_wm_set.wm_set; + + if (!clk_mgr->smu_ver) + return; + + if (!table || clk_mgr_dcn316->smu_wm_set.mc_address.quad_part == 0) + return; + + memset(table, 0, sizeof(*table)); + + dcn316_build_watermark_ranges(clk_mgr_base->bw_params, table); + + dcn316_smu_set_dram_addr_high(clk_mgr, + clk_mgr_dcn316->smu_wm_set.mc_address.high_part); + dcn316_smu_set_dram_addr_low(clk_mgr, + clk_mgr_dcn316->smu_wm_set.mc_address.low_part); + dcn316_smu_transfer_wm_table_dram_2_smu(clk_mgr); +} + +static void dcn316_get_dpm_table_from_smu(struct clk_mgr_internal *clk_mgr, + struct dcn316_smu_dpm_clks *smu_dpm_clks) +{ + DpmClocks_316_t *table = smu_dpm_clks->dpm_clks; + + if (!clk_mgr->smu_ver) + return; + + if (!table || smu_dpm_clks->mc_address.quad_part == 0) + return; + + memset(table, 0, sizeof(*table)); + + dcn316_smu_set_dram_addr_high(clk_mgr, + smu_dpm_clks->mc_address.high_part); + dcn316_smu_set_dram_addr_low(clk_mgr, + smu_dpm_clks->mc_address.low_part); + dcn316_smu_transfer_dpm_table_smu_2_dram(clk_mgr); +} + +static uint32_t find_max_clk_value(const uint32_t clocks[], uint32_t num_clocks) +{ + uint32_t max = 0; + int i; + + for (i = 0; i < num_clocks; ++i) { + if (clocks[i] > max) + max = clocks[i]; + } + + return max; +} + +static unsigned int find_clk_for_voltage( + const DpmClocks_316_t *clock_table, + const uint32_t clocks[], + unsigned int voltage) +{ + int i; + int max_voltage = 0; + int clock = 0; + + for (i = 0; i < NUM_SOC_VOLTAGE_LEVELS; i++) { + if (clock_table->SocVoltage[i] == voltage) { + return clocks[i]; + } else if (clock_table->SocVoltage[i] >= max_voltage && + clock_table->SocVoltage[i] < voltage) { + max_voltage = clock_table->SocVoltage[i]; + clock = clocks[i]; + } + } + + ASSERT(clock); + return clock; +} + +static void dcn316_clk_mgr_helper_populate_bw_params( + struct clk_mgr_internal *clk_mgr, + struct integrated_info *bios_info, + const DpmClocks_316_t *clock_table) +{ + int i, j; + struct clk_bw_params *bw_params = clk_mgr->base.bw_params; + uint32_t max_dispclk = 0, max_dppclk = 0; + + j = -1; + + ASSERT(NUM_DF_PSTATE_LEVELS <= MAX_NUM_DPM_LVL); + + /* Find lowest DPM, FCLK is filled in reverse order*/ + + for (i = NUM_DF_PSTATE_LEVELS - 1; i >= 0; i--) { + if (clock_table->DfPstateTable[i].FClk != 0) { + j = i; + break; + } + } + + if (j == -1) { + /* clock table is all 0s, just use our own hardcode */ + ASSERT(0); + return; + } + + bw_params->clk_table.num_entries = j + 1; + + /* dispclk and dppclk can be max at any voltage, same number of levels for both */ + if (clock_table->NumDispClkLevelsEnabled <= NUM_DISPCLK_DPM_LEVELS && + clock_table->NumDispClkLevelsEnabled <= NUM_DPPCLK_DPM_LEVELS) { + max_dispclk = find_max_clk_value(clock_table->DispClocks, clock_table->NumDispClkLevelsEnabled); + max_dppclk = find_max_clk_value(clock_table->DppClocks, clock_table->NumDispClkLevelsEnabled); + } else { + ASSERT(0); + } + + for (i = 0; i < bw_params->clk_table.num_entries; i++, j--) { + int temp; + + bw_params->clk_table.entries[i].fclk_mhz = clock_table->DfPstateTable[j].FClk; + bw_params->clk_table.entries[i].memclk_mhz = clock_table->DfPstateTable[j].MemClk; + bw_params->clk_table.entries[i].voltage = clock_table->DfPstateTable[j].Voltage; + switch (clock_table->DfPstateTable[j].WckRatio) { + case WCK_RATIO_1_2: + bw_params->clk_table.entries[i].wck_ratio = 2; + break; + case WCK_RATIO_1_4: + bw_params->clk_table.entries[i].wck_ratio = 4; + break; + default: + bw_params->clk_table.entries[i].wck_ratio = 1; + } + temp = find_clk_for_voltage(clock_table, clock_table->DcfClocks, clock_table->DfPstateTable[j].Voltage); + if (temp) + bw_params->clk_table.entries[i].dcfclk_mhz = temp; + temp = find_clk_for_voltage(clock_table, clock_table->SocClocks, clock_table->DfPstateTable[j].Voltage); + if (temp) + bw_params->clk_table.entries[i].socclk_mhz = temp; + bw_params->clk_table.entries[i].dispclk_mhz = max_dispclk; + bw_params->clk_table.entries[i].dppclk_mhz = max_dppclk; + } + + bw_params->vram_type = bios_info->memory_type; + bw_params->num_channels = bios_info->ma_channel_number; + + for (i = 0; i < WM_SET_COUNT; i++) { + bw_params->wm_table.entries[i].wm_inst = i; + + if (i >= bw_params->clk_table.num_entries) { + bw_params->wm_table.entries[i].valid = false; + continue; + } + + bw_params->wm_table.entries[i].wm_type = WM_TYPE_PSTATE_CHG; + bw_params->wm_table.entries[i].valid = true; + } +} + + + +static struct clk_mgr_funcs dcn316_funcs = { + .enable_pme_wa = dcn316_enable_pme_wa, + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz, + .update_clocks = dcn316_update_clocks, + .init_clocks = dcn31_init_clocks, + .are_clock_states_equal = dcn31_are_clock_states_equal, + .notify_wm_ranges = dcn316_notify_wm_ranges +}; +extern struct clk_mgr_funcs dcn3_fpga_funcs; + +static int get_vco_frequency_from_reg(struct clk_mgr_internal *clk_mgr) +{ + /* get FbMult value */ + struct fixed31_32 pll_req; + unsigned int fbmult_frac_val = 0; + unsigned int fbmult_int_val = 0; + + /* + * Register value of fbmult is in 8.16 format, we are converting to 31.32 + * to leverage the fix point operations available in driver + */ + + REG_GET(CLK1_CLK_PLL_REQ, FbMult_frac, &fbmult_frac_val); /* 16 bit fractional part*/ + REG_GET(CLK1_CLK_PLL_REQ, FbMult_int, &fbmult_int_val); /* 8 bit integer part */ + + pll_req = dc_fixpt_from_int(fbmult_int_val); + + /* + * since fractional part is only 16 bit in register definition but is 32 bit + * in our fix point definiton, need to shift left by 16 to obtain correct value + */ + pll_req.value |= fbmult_frac_val << 16; + + /* multiply by REFCLK period */ + pll_req = dc_fixpt_mul_int(pll_req, clk_mgr->dfs_ref_freq_khz); + + /* integer part is now VCO frequency in kHz */ + return dc_fixpt_floor(pll_req); +} + +void dcn316_clk_mgr_construct( + struct dc_context *ctx, + struct clk_mgr_dcn316 *clk_mgr, + struct pp_smu_funcs *pp_smu, + struct dccg *dccg) +{ + struct dcn316_smu_dpm_clks smu_dpm_clks = { 0 }; + + clk_mgr->base.base.ctx = ctx; + clk_mgr->base.base.funcs = &dcn316_funcs; + + clk_mgr->base.pp_smu = pp_smu; + + clk_mgr->base.dccg = dccg; + clk_mgr->base.dfs_bypass_disp_clk = 0; + + clk_mgr->base.dprefclk_ss_percentage = 0; + clk_mgr->base.dprefclk_ss_divider = 1000; + clk_mgr->base.ss_on_dprefclk = false; + clk_mgr->base.dfs_ref_freq_khz = 48000; + + clk_mgr->smu_wm_set.wm_set = (struct dcn316_watermarks *)dm_helpers_allocate_gpu_mem( + clk_mgr->base.base.ctx, + DC_MEM_ALLOC_TYPE_FRAME_BUFFER, + sizeof(struct dcn316_watermarks), + &clk_mgr->smu_wm_set.mc_address.quad_part); + + if (!clk_mgr->smu_wm_set.wm_set) { + clk_mgr->smu_wm_set.wm_set = &dummy_wms; + clk_mgr->smu_wm_set.mc_address.quad_part = 0; + } + ASSERT(clk_mgr->smu_wm_set.wm_set); + + smu_dpm_clks.dpm_clks = (DpmClocks_316_t *)dm_helpers_allocate_gpu_mem( + clk_mgr->base.base.ctx, + DC_MEM_ALLOC_TYPE_FRAME_BUFFER, + sizeof(DpmClocks_316_t), + &smu_dpm_clks.mc_address.quad_part); + + if (smu_dpm_clks.dpm_clks == NULL) { + smu_dpm_clks.dpm_clks = &dummy_clocks; + smu_dpm_clks.mc_address.quad_part = 0; + } + + ASSERT(smu_dpm_clks.dpm_clks); + + if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) { + clk_mgr->base.base.funcs = &dcn3_fpga_funcs; + clk_mgr->base.base.dentist_vco_freq_khz = 2500000; + } else { + struct clk_log_info log_info = {0}; + + clk_mgr->base.smu_ver = dcn316_smu_get_smu_version(&clk_mgr->base); + + if (clk_mgr->base.smu_ver > 0) + clk_mgr->base.smu_present = true; + + // Skip this for now as it did not work on DCN315, renable during bring up + clk_mgr->base.base.dentist_vco_freq_khz = get_vco_frequency_from_reg(&clk_mgr->base); + + /* in case we don't get a value from the register, use default */ + if (clk_mgr->base.base.dentist_vco_freq_khz == 0) + clk_mgr->base.base.dentist_vco_freq_khz = 2500000; /* 2400MHz */ + + + if (ctx->dc_bios->integrated_info->memory_type == LpDdr5MemType) { + dcn316_bw_params.wm_table = lpddr5_wm_table; + } else { + dcn316_bw_params.wm_table = ddr4_wm_table; + } + /* Saved clocks configured at boot for debug purposes */ + dcn316_dump_clk_registers(&clk_mgr->base.base.boot_snapshot, + &clk_mgr->base.base, &log_info); + + } + + clk_mgr->base.base.dprefclk_khz = 600000; + clk_mgr->base.base.dprefclk_khz = dcn316_smu_get_dpref_clk(&clk_mgr->base); + clk_mgr->base.base.clks.ref_dtbclk_khz = clk_mgr->base.base.dprefclk_khz; + dce_clock_read_ss_info(&clk_mgr->base); + /*clk_mgr->base.dccg->ref_dtbclk_khz = + dce_adjust_dp_ref_freq_for_ss(&clk_mgr->base, clk_mgr->base.base.dprefclk_khz);*/ + + clk_mgr->base.base.bw_params = &dcn316_bw_params; + + if (clk_mgr->base.base.ctx->dc->debug.pstate_enabled) { + dcn316_get_dpm_table_from_smu(&clk_mgr->base, &smu_dpm_clks); + + if (ctx->dc_bios && ctx->dc_bios->integrated_info) { + dcn316_clk_mgr_helper_populate_bw_params( + &clk_mgr->base, + ctx->dc_bios->integrated_info, + smu_dpm_clks.dpm_clks); + } + } + + if (smu_dpm_clks.dpm_clks && smu_dpm_clks.mc_address.quad_part != 0) + dm_helpers_free_gpu_mem(clk_mgr->base.base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER, + smu_dpm_clks.dpm_clks); +} + +void dcn316_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int) +{ + struct clk_mgr_dcn316 *clk_mgr = TO_CLK_MGR_DCN316(clk_mgr_int); + + if (clk_mgr->smu_wm_set.wm_set && clk_mgr->smu_wm_set.mc_address.quad_part != 0) + dm_helpers_free_gpu_mem(clk_mgr_int->base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER, + clk_mgr->smu_wm_set.wm_set); +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.h new file mode 100644 index 000000000000..864d1f6cef26 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.h @@ -0,0 +1,49 @@ +/* + * Copyright 2021 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef __DCN316_CLK_MGR_H__ +#define __DCN316_CLK_MGR_H__ +#include "clk_mgr_internal.h" + +struct dcn316_watermarks; + +struct dcn316_smu_watermark_set { + struct dcn316_watermarks *wm_set; + union large_integer mc_address; +}; + +struct clk_mgr_dcn316 { + struct clk_mgr_internal base; + struct dcn316_smu_watermark_set smu_wm_set; +}; + +void dcn316_clk_mgr_construct(struct dc_context *ctx, + struct clk_mgr_dcn316 *clk_mgr, + struct pp_smu_funcs *pp_smu, + struct dccg *dccg); + +void dcn316_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int); + +#endif //__DCN316_CLK_MGR_H__ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.c new file mode 100644 index 000000000000..457a9254ae1c --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.c @@ -0,0 +1,350 @@ +/* + * Copyright 2021 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "core_types.h" +#include "clk_mgr_internal.h" +#include "reg_helper.h" +#include "dm_helpers.h" +#include "dcn316_smu.h" +#include "mp/mp_13_0_8_offset.h" +#include "mp/mp_13_0_8_sh_mask.h" + +#define MAX_INSTANCE 7 +#define MAX_SEGMENT 6 + +struct IP_BASE_INSTANCE +{ + unsigned int segment[MAX_SEGMENT]; +}; + +struct IP_BASE +{ + struct IP_BASE_INSTANCE instance[MAX_INSTANCE]; +}; + +static const struct IP_BASE MP0_BASE = { { { { 0x00016000, 0x00DC0000, 0x00E00000, 0x00E40000, 0x0243FC00, 0 } }, + { { 0, 0, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0, 0 } } } }; + +#define REG(reg_name) \ + (MP0_BASE.instance[0].segment[reg ## reg_name ## _BASE_IDX] + reg ## reg_name) + +#define FN(reg_name, field) \ + FD(reg_name##__##field) + +#include "logger_types.h" +#undef DC_LOGGER +#define DC_LOGGER \ + CTX->logger +#define smu_print(str, ...) {DC_LOG_SMU(str, ##__VA_ARGS__); } + +#define VBIOSSMC_MSG_TestMessage 0x01 ///< To check if PMFW is alive and responding. Requirement specified by PMFW team +#define VBIOSSMC_MSG_GetPmfwVersion 0x02 ///< Get PMFW version +#define VBIOSSMC_MSG_Spare0 0x03 ///< Spare0 +#define VBIOSSMC_MSG_SetDispclkFreq 0x04 ///< Set display clock frequency in MHZ +#define VBIOSSMC_MSG_Spare1 0x05 ///< Spare1 +#define VBIOSSMC_MSG_SetDppclkFreq 0x06 ///< Set DPP clock frequency in MHZ +#define VBIOSSMC_MSG_SetHardMinDcfclkByFreq 0x07 ///< Set DCF clock frequency hard min in MHZ +#define VBIOSSMC_MSG_SetMinDeepSleepDcfclk 0x08 ///< Set DCF clock minimum frequency in deep sleep in MHZ +#define VBIOSSMC_MSG_SetPhyclkVoltageByFreq 0x09 ///< Set display phy clock frequency in MHZ in case VMIN does not support phy frequency +#define VBIOSSMC_MSG_GetFclkFrequency 0x0A ///< Get FCLK frequency, return frequemcy in MHZ +#define VBIOSSMC_MSG_SetDisplayCount 0x0B ///< Inform PMFW of number of display connected +#define VBIOSSMC_MSG_SPARE 0x0C ///< SPARE +#define VBIOSSMC_MSG_UpdatePmeRestore 0x0D ///< To ask PMFW to write into Azalia for PME wake up event +#define VBIOSSMC_MSG_SetVbiosDramAddrHigh 0x0E ///< Set DRAM address high 32 bits for WM table transfer +#define VBIOSSMC_MSG_SetVbiosDramAddrLow 0x0F ///< Set DRAM address low 32 bits for WM table transfer +#define VBIOSSMC_MSG_TransferTableSmu2Dram 0x10 ///< Transfer table from PMFW SRAM to system DRAM +#define VBIOSSMC_MSG_TransferTableDram2Smu 0x11 ///< Transfer table from system DRAM to PMFW +#define VBIOSSMC_MSG_SetDisplayIdleOptimizations 0x12 ///< Set Idle state optimization for display off +#define VBIOSSMC_MSG_GetDprefclkFreq 0x13 ///< Get DPREF clock frequency. Return in MHZ +#define VBIOSSMC_MSG_GetDtbclkFreq 0x14 ///< Get DPREF clock frequency. Return in MHZ +#define VBIOSSMC_MSG_SetDtbclkFreq 0x15 ///< Inform PMFW to turn on/off DTB clock arg = 1, turn DTB clock on 600MHz/ arg = 0 turn DTB clock off +#define VBIOSSMC_Message_Count 0x16 ///< Total number of VBIS and DAL messages + +#define VBIOSSMC_Status_BUSY 0x0 +#define VBIOSSMC_Result_OK 0x01 ///< Message Response OK +#define VBIOSSMC_Result_Failed 0xFF ///< Message Response Failed +#define VBIOSSMC_Result_UnknownCmd 0xFE ///< Message Response Unknown Command +#define VBIOSSMC_Result_CmdRejectedPrereq 0xFD ///< Message Response Command Failed Prerequisite +#define VBIOSSMC_Result_CmdRejectedBusy 0xFC ///< Message Response Command Rejected due to PMFW is busy. Sender should retry sending this message + +/* + * Function to be used instead of REG_WAIT macro because the wait ends when + * the register is NOT EQUAL to zero, and because the translation in msg_if.h + * won't work with REG_WAIT. + */ +static uint32_t dcn316_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, unsigned int delay_us, unsigned int max_retries) +{ + uint32_t res_val = VBIOSSMC_Status_BUSY; + + do { + res_val = REG_READ(MP1_SMN_C2PMSG_91); + if (res_val != VBIOSSMC_Status_BUSY) + break; + + if (delay_us >= 1000) + msleep(delay_us/1000); + else if (delay_us > 0) + udelay(delay_us); + } while (max_retries--); + + return res_val; +} + +static int dcn316_smu_send_msg_with_param( + struct clk_mgr_internal *clk_mgr, + unsigned int msg_id, unsigned int param) +{ + uint32_t result; + + result = dcn316_smu_wait_for_response(clk_mgr, 10, 200000); + + if (result != VBIOSSMC_Result_OK) + smu_print("SMU Response was not OK. SMU response after wait received is: %d\n", result); + + if (result == VBIOSSMC_Status_BUSY) { + return -1; + } + + /* First clear response register */ + REG_WRITE(MP1_SMN_C2PMSG_91, VBIOSSMC_Status_BUSY); + + /* Set the parameter register for the SMU message, unit is Mhz */ + REG_WRITE(MP1_SMN_C2PMSG_83, param); + + /* Trigger the message transaction by writing the message ID */ + REG_WRITE(MP1_SMN_C2PMSG_67, msg_id); + + result = dcn316_smu_wait_for_response(clk_mgr, 10, 200000); + + if (result == VBIOSSMC_Status_BUSY) { + ASSERT(0); + dm_helpers_smu_timeout(CTX, msg_id, param, 10 * 200000); + } + + return REG_READ(MP1_SMN_C2PMSG_83); +} + +int dcn316_smu_get_smu_version(struct clk_mgr_internal *clk_mgr) +{ + return dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_GetPmfwVersion, + 0); +} + + +int dcn316_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz) +{ + int actual_dispclk_set_mhz = -1; + + if (!clk_mgr->smu_present) + return requested_dispclk_khz; + + /* Unit of SMU msg parameter is Mhz */ + actual_dispclk_set_mhz = dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDispclkFreq, + khz_to_mhz_ceil(requested_dispclk_khz)); + + return actual_dispclk_set_mhz * 1000; +} + +int dcn316_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz) +{ + int actual_dcfclk_set_mhz = -1; + + if (!clk_mgr->base.ctx->dc->debug.pstate_enabled) + return -1; + + if (!clk_mgr->smu_present) + return requested_dcfclk_khz; + + actual_dcfclk_set_mhz = dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetHardMinDcfclkByFreq, + khz_to_mhz_ceil(requested_dcfclk_khz)); + +#ifdef DBG + smu_print("actual_dcfclk_set_mhz %d is set to : %d\n", actual_dcfclk_set_mhz, actual_dcfclk_set_mhz * 1000); +#endif + + return actual_dcfclk_set_mhz * 1000; +} + +int dcn316_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz) +{ + int actual_min_ds_dcfclk_mhz = -1; + + if (!clk_mgr->base.ctx->dc->debug.pstate_enabled) + return -1; + + if (!clk_mgr->smu_present) + return requested_min_ds_dcfclk_khz; + + actual_min_ds_dcfclk_mhz = dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetMinDeepSleepDcfclk, + khz_to_mhz_ceil(requested_min_ds_dcfclk_khz)); + + return actual_min_ds_dcfclk_mhz * 1000; +} + +int dcn316_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz) +{ + int actual_dppclk_set_mhz = -1; + + if (!clk_mgr->smu_present) + return requested_dpp_khz; + + actual_dppclk_set_mhz = dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDppclkFreq, + khz_to_mhz_ceil(requested_dpp_khz)); + + return actual_dppclk_set_mhz * 1000; +} + +void dcn316_smu_set_display_idle_optimization(struct clk_mgr_internal *clk_mgr, uint32_t idle_info) +{ + if (!clk_mgr->base.ctx->dc->debug.pstate_enabled) + return; + + if (!clk_mgr->smu_present) + return; + + //TODO: Work with smu team to define optimization options. + dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDisplayIdleOptimizations, + idle_info); +} + +void dcn316_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable) +{ + union display_idle_optimization_u idle_info = { 0 }; + + if (!clk_mgr->smu_present) + return; + + if (enable) { + idle_info.idle_info.df_request_disabled = 1; + idle_info.idle_info.phy_ref_clk_off = 1; + } + + dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDisplayIdleOptimizations, + idle_info.data); +} + +void dcn316_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high) +{ + if (!clk_mgr->smu_present) + return; + + dcn316_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_SetVbiosDramAddrHigh, addr_high); +} + +void dcn316_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low) +{ + if (!clk_mgr->smu_present) + return; + + dcn316_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_SetVbiosDramAddrLow, addr_low); +} + +void dcn316_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr) +{ + if (!clk_mgr->smu_present) + return; + + dcn316_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_TransferTableSmu2Dram, TABLE_DPMCLOCKS); +} + +void dcn316_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr) +{ + if (!clk_mgr->smu_present) + return; + + dcn316_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_TransferTableDram2Smu, TABLE_WATERMARKS); +} + +void dcn316_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr) +{ + if (!clk_mgr->smu_present) + return; + + dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_UpdatePmeRestore, + 0); +} + +/* Arg = 1: Turn DTB on; 0: Turn DTB CLK OFF. when it is on, it is 600MHZ */ +void dcn316_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable) +{ + if (!clk_mgr->smu_present) + return; + + dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDtbclkFreq, + enable); +} + +int dcn316_smu_get_dpref_clk(struct clk_mgr_internal *clk_mgr) +{ + int dprefclk_get_mhz = -1; + + if (clk_mgr->smu_present) { + dprefclk_get_mhz = dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_GetDprefclkFreq, + 0); + } + return (dprefclk_get_mhz * 1000); +} + +int dcn316_smu_get_smu_fclk(struct clk_mgr_internal *clk_mgr) +{ + int fclk_get_mhz = -1; + + if (clk_mgr->smu_present) { + fclk_get_mhz = dcn316_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_GetFclkFrequency, + 0); + } + return (fclk_get_mhz * 1000); +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.h new file mode 100644 index 000000000000..2a7293f66515 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_smu.h @@ -0,0 +1,139 @@ +/* + * Copyright 2021 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef DAL_DC_316_SMU_H_ +#define DAL_DC_316_SMU_H_ +#include "os_types.h" + +#define PMFW_DRIVER_IF_VERSION 4 + +#define NUM_DCFCLK_DPM_LEVELS 8 +#define NUM_DISPCLK_DPM_LEVELS 8 +#define NUM_DPPCLK_DPM_LEVELS 8 +#define NUM_SOCCLK_DPM_LEVELS 8 +#define NUM_VCN_DPM_LEVELS 8 +#define NUM_SOC_VOLTAGE_LEVELS 8 +#define NUM_DF_PSTATE_LEVELS 4 + +typedef struct { + uint16_t MinClock; // This is either DCFCLK or SOCCLK (in MHz) + uint16_t MaxClock; // This is either DCFCLK or SOCCLK (in MHz) + uint16_t MinMclk; + uint16_t MaxMclk; + uint8_t WmSetting; + uint8_t WmType; // Used for normal pstate change or memory retraining + uint8_t Padding[2]; +} WatermarkRowGeneric_t; + +#define NUM_WM_RANGES 4 +#define WM_PSTATE_CHG 0 +#define WM_RETRAINING 1 + +typedef enum { + WM_SOCCLK = 0, + WM_DCFCLK, + WM_COUNT, +} WM_CLOCK_e; + +typedef enum{ + WCK_RATIO_1_1 = 0, // DDR5, Wck:ck is always 1:1; + WCK_RATIO_1_2, + WCK_RATIO_1_4, + WCK_RATIO_MAX +} WCK_RATIO_e; + +typedef struct { + uint32_t FClk; + uint32_t MemClk; + uint32_t Voltage; + uint8_t WckRatio; + uint8_t Spare[3]; +} DfPstateTable_t; + +//Freq in MHz +//Voltage in milli volts with 2 fractional bits +typedef struct { + uint32_t DcfClocks[NUM_DCFCLK_DPM_LEVELS]; + uint32_t DispClocks[NUM_DISPCLK_DPM_LEVELS]; + uint32_t DppClocks[NUM_DPPCLK_DPM_LEVELS]; + uint32_t SocClocks[NUM_SOCCLK_DPM_LEVELS]; + uint32_t VClocks[NUM_VCN_DPM_LEVELS]; + uint32_t DClocks[NUM_VCN_DPM_LEVELS]; + uint32_t SocVoltage[NUM_SOC_VOLTAGE_LEVELS]; + DfPstateTable_t DfPstateTable[NUM_DF_PSTATE_LEVELS]; + uint8_t NumDcfClkLevelsEnabled; + uint8_t NumDispClkLevelsEnabled; //Applies to both Dispclk and Dppclk + uint8_t NumSocClkLevelsEnabled; + uint8_t VcnClkLevelsEnabled; //Applies to both Vclk and Dclk + uint8_t NumDfPstatesEnabled; + uint8_t spare[3]; + uint32_t MinGfxClk; + uint32_t MaxGfxClk; +} DpmClocks_316_t; + +struct dcn316_watermarks { + // Watermarks + WatermarkRowGeneric_t WatermarkRow[WM_COUNT][NUM_WM_RANGES]; + uint32_t MmHubPadding[7]; // SMU internal use +}; + +struct dcn316_smu_dpm_clks { + DpmClocks_316_t *dpm_clks; + union large_integer mc_address; +}; + +#define TABLE_WATERMARKS 1 // Called by DAL through VBIOS +#define TABLE_DPMCLOCKS 4 // Called by Driver and VBIOS + +struct display_idle_optimization { + unsigned int df_request_disabled : 1; + unsigned int phy_ref_clk_off : 1; + unsigned int s0i2_rdy : 1; + unsigned int reserved : 29; +}; + +union display_idle_optimization_u { + struct display_idle_optimization idle_info; + uint32_t data; +}; + +int dcn316_smu_get_smu_version(struct clk_mgr_internal *clk_mgr); +int dcn316_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz); +int dcn316_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz); +int dcn316_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz); +int dcn316_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz); +void dcn316_smu_set_display_idle_optimization(struct clk_mgr_internal *clk_mgr, uint32_t idle_info); +void dcn316_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable); +void dcn316_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high); +void dcn316_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low); +void dcn316_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr); +void dcn316_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr); +void dcn316_smu_request_voltage_via_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz); +void dcn316_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr); +void dcn316_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable); +int dcn316_smu_get_dpref_clk(struct clk_mgr_internal *clk_mgr); +int dcn316_smu_get_smu_fclk(struct clk_mgr_internal *clk_mgr); + +#endif /* DAL_DC_316_SMU_H_ */ |