aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c721
1 files changed, 721 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);
+}