--- /dev/null
+/*
+ * Copyright 2022 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 "dcn35_clk_mgr.h"
+
+#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 "reg_helper.h"
+#include "core_types.h"
+#include "dcn35_smu.h"
+#include "dm_helpers.h"
+
+/* TODO: remove this include once we ported over remaining clk mgr functions*/
+#include "dcn30/dcn30_clk_mgr.h"
+#include "dcn31/dcn31_clk_mgr.h"
+#include "dcn35_clk_mgr.h"
+
+#include "dc_dmub_srv.h"
+#include "link.h"
+#include "logger_types.h"
+#undef DC_LOGGER
+#define DC_LOGGER \
+ clk_mgr->base.base.ctx->logger
+
+#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 regCLK1_CLK2_BYPASS_CNTL 0x029c
+#define regCLK1_CLK2_BYPASS_CNTL_BASE_IDX 0
+
+#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_SEL__SHIFT 0x0
+#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_DIV__SHIFT 0x10
+#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_SEL_MASK 0x00000007L
+#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_DIV_MASK 0x000F0000L
+
+#define REG(reg_name) \
+ (ctx->clk_reg_offsets[reg ## reg_name ## _BASE_IDX] + reg ## reg_name)
+
+#define TO_CLK_MGR_DCN35(clk_mgr)\
+ container_of(clk_mgr, struct clk_mgr_dcn35, base)
+
+static int dcn35_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 on*/
+ if (display_count == 0 && tmds_present)
+ display_count = 1;
+
+ return display_count;
+}
+
+static void dcn35_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 || dc_is_virtual_signal(pipe->stream->signal))) {
+ struct stream_encoder *stream_enc = pipe->stream_res.stream_enc;
+
+ if (disable) {
+ if (stream_enc && stream_enc->funcs->disable_fifo)
+ pipe->stream_res.stream_enc->funcs->disable_fifo(stream_enc);
+
+ 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);
+
+ if (stream_enc && stream_enc->funcs->enable_fifo)
+ pipe->stream_res.stream_enc->funcs->enable_fifo(stream_enc);
+ }
+ }
+ }
+}
+
+static void dcn35_update_clocks_update_dtb_dto(struct clk_mgr_internal *clk_mgr,
+ struct dc_state *context,
+ int ref_dtbclk_khz)
+{
+ struct dccg *dccg = clk_mgr->dccg;
+ uint32_t tg_mask = 0;
+ int i;
+
+ for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) {
+ struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+ struct dtbclk_dto_params dto_params = {0};
+
+ /* use mask to program DTO once per tg */
+ if (pipe_ctx->stream_res.tg &&
+ !(tg_mask & (1 << pipe_ctx->stream_res.tg->inst))) {
+ tg_mask |= (1 << pipe_ctx->stream_res.tg->inst);
+
+ dto_params.otg_inst = pipe_ctx->stream_res.tg->inst;
+ dto_params.ref_dtbclk_khz = ref_dtbclk_khz;
+
+ dccg->funcs->set_dtbclk_dto(clk_mgr->dccg, &dto_params);
+ //dccg->funcs->set_audio_dtbclk_dto(clk_mgr->dccg, &dto_params);
+ }
+ }
+}
+
+static void dcn35_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr,
+ struct dc_state *context, bool safe_to_lower)
+{
+ int i;
+ bool dppclk_active[MAX_PIPES] = {0};
+
+
+ clk_mgr->dccg->ref_dppclk = clk_mgr->base.clks.dppclk_khz;
+ for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) {
+ int dpp_inst = 0, dppclk_khz, prev_dppclk_khz;
+
+ dppclk_khz = context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz;
+
+ if (context->res_ctx.pipe_ctx[i].plane_res.dpp)
+ dpp_inst = context->res_ctx.pipe_ctx[i].plane_res.dpp->inst;
+ else if (!context->res_ctx.pipe_ctx[i].plane_res.dpp && dppclk_khz == 0) {
+ /* dpp == NULL && dppclk_khz == 0 is valid because of pipe harvesting.
+ * In this case just continue in loop
+ */
+ continue;
+ } else if (!context->res_ctx.pipe_ctx[i].plane_res.dpp && dppclk_khz > 0) {
+ /* The software state is not valid if dpp resource is NULL and
+ * dppclk_khz > 0.
+ */
+ ASSERT(false);
+ continue;
+ }
+
+ prev_dppclk_khz = clk_mgr->dccg->pipe_dppclk_khz[i];
+
+ if (safe_to_lower || prev_dppclk_khz < dppclk_khz)
+ clk_mgr->dccg->funcs->update_dpp_dto(
+ clk_mgr->dccg, dpp_inst, dppclk_khz);
+ dppclk_active[dpp_inst] = true;
+ }
+ if (safe_to_lower)
+ for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) {
+ struct dpp *old_dpp = clk_mgr->base.ctx->dc->current_state->res_ctx.pipe_ctx[i].plane_res.dpp;
+
+ if (old_dpp && !dppclk_active[old_dpp->inst])
+ clk_mgr->dccg->funcs->update_dpp_dto(clk_mgr->dccg, old_dpp->inst, 0);
+ }
+}
+
+void dcn35_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
+ */
+ if (safe_to_lower) {
+ if (new_clocks->zstate_support != DCN_ZSTATE_SUPPORT_DISALLOW &&
+ new_clocks->zstate_support != clk_mgr_base->clks.zstate_support) {
+ dcn35_smu_set_zstate_support(clk_mgr, new_clocks->zstate_support);
+ dm_helpers_enable_periodic_detection(clk_mgr_base->ctx, true);
+ clk_mgr_base->clks.zstate_support = new_clocks->zstate_support;
+ }
+
+ if (clk_mgr_base->clks.dtbclk_en && !new_clocks->dtbclk_en) {
+ dcn35_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 = dcn35_get_active_display_cnt_wa(dc, context);
+ /* if we can go lower, go lower */
+ if (display_count == 0)
+ clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER;
+ }
+ } else {
+ if (new_clocks->zstate_support == DCN_ZSTATE_SUPPORT_DISALLOW &&
+ new_clocks->zstate_support != clk_mgr_base->clks.zstate_support) {
+ dcn35_smu_set_zstate_support(clk_mgr, DCN_ZSTATE_SUPPORT_DISALLOW);
+ dm_helpers_enable_periodic_detection(clk_mgr_base->ctx, false);
+ clk_mgr_base->clks.zstate_support = new_clocks->zstate_support;
+ }
+
+ if (!clk_mgr_base->clks.dtbclk_en && new_clocks->dtbclk_en) {
+ dcn35_smu_set_dtbclk(clk_mgr, true);
+ dcn35_update_clocks_update_dtb_dto(clk_mgr, context, clk_mgr_base->clks.ref_dtbclk_khz);
+ 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 };
+
+ dcn35_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 (dc->debug.force_min_dcfclk_mhz > 0)
+ new_clocks->dcfclk_khz = (new_clocks->dcfclk_khz > (dc->debug.force_min_dcfclk_mhz * 1000)) ?
+ new_clocks->dcfclk_khz : (dc->debug.force_min_dcfclk_mhz * 1000);
+
+ 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;
+ dcn35_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;
+ dcn35_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 (new_clocks->dppclk_khz < 100000)
+ new_clocks->dppclk_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)) {
+ dcn35_disable_otg_wa(clk_mgr_base, context, true);
+
+ clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz;
+ dcn35_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
+ dcn35_disable_otg_wa(clk_mgr_base, context, false);
+
+ update_dispclk = true;
+ }
+
+ if (!new_clocks->dtbclk_en) {
+ new_clocks->ref_dtbclk_khz = 600000;
+ }
+
+ /* clock limits are received with MHz precision, divide by 1000 to prevent setting clocks at every call */
+ if (!dc->debug.disable_dtb_ref_clk_switch &&
+ should_set_clock(safe_to_lower, new_clocks->ref_dtbclk_khz / 1000, clk_mgr_base->clks.ref_dtbclk_khz / 1000)) {
+ /* DCCG requires KHz precision for DTBCLK */
+ dcn35_smu_set_dtbclk(clk_mgr, true);
+
+ dcn35_update_clocks_update_dtb_dto(clk_mgr, context, clk_mgr_base->clks.ref_dtbclk_khz);
+ }
+
+ if (dpp_clock_lowered) {
+ // increase per DPP DTO before lowering global dppclk
+ dcn35_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower);
+ dcn35_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)
+ dcn35_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz);
+ dcn35_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;
+
+ dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+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;
+ struct dc_context *ctx = clk_mgr->base.ctx;
+
+ /*
+ * Register value of fbmult is in 8.16 format, we are converting to 314.32
+ * 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);
+}
+
+static void dcn35_enable_pme_wa(struct clk_mgr *clk_mgr_base)
+{
+ struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
+
+ dcn35_smu_enable_pme_wa(clk_mgr);
+}
+
+void dcn35_init_clocks(struct clk_mgr *clk_mgr)
+{
+ uint32_t ref_dtbclk = clk_mgr->clks.ref_dtbclk_khz;
+
+ memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks));
+
+ // Assumption is that boot state always supports pstate
+ clk_mgr->clks.ref_dtbclk_khz = ref_dtbclk; // restore ref_dtbclk
+ clk_mgr->clks.p_state_change_support = true;
+ clk_mgr->clks.prev_p_state_change_support = true;
+ clk_mgr->clks.pwr_state = DCN_PWR_STATE_UNKNOWN;
+ clk_mgr->clks.zstate_support = DCN_ZSTATE_SUPPORT_UNKNOWN;
+}
+
+bool dcn35_are_clock_states_equal(struct dc_clocks *a,
+ struct dc_clocks *b)
+{
+ if (a->dispclk_khz != b->dispclk_khz)
+ return false;
+ else if (a->dppclk_khz != b->dppclk_khz)
+ return false;
+ else if (a->dcfclk_khz != b->dcfclk_khz)
+ return false;
+ else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz)
+ return false;
+ else if (a->zstate_support != b->zstate_support)
+ return false;
+ else if (a->dtbclk_en != b->dtbclk_en)
+ return false;
+
+ return true;
+}
+
+static void dcn35_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass,
+ struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info)
+{
+
+}
+
+static struct clk_bw_params dcn35_bw_params = {
+ .vram_type = Ddr4MemType,
+ .num_channels = 1,
+ .clk_table = {
+ .num_entries = 4,
+ },
+
+};
+
+static struct wm_table ddr5_wm_table = {
+ .entries = {
+ {
+ .wm_inst = WM_A,
+ .wm_type = WM_TYPE_PSTATE_CHG,
+ .pstate_latency_us = 11.72,
+ .sr_exit_time_us = 9,
+ .sr_enter_plus_exit_time_us = 11,
+ .valid = true,
+ },
+ {
+ .wm_inst = WM_B,
+ .wm_type = WM_TYPE_PSTATE_CHG,
+ .pstate_latency_us = 11.72,
+ .sr_exit_time_us = 9,
+ .sr_enter_plus_exit_time_us = 11,
+ .valid = true,
+ },
+ {
+ .wm_inst = WM_C,
+ .wm_type = WM_TYPE_PSTATE_CHG,
+ .pstate_latency_us = 11.72,
+ .sr_exit_time_us = 9,
+ .sr_enter_plus_exit_time_us = 11,
+ .valid = true,
+ },
+ {
+ .wm_inst = WM_D,
+ .wm_type = WM_TYPE_PSTATE_CHG,
+ .pstate_latency_us = 11.72,
+ .sr_exit_time_us = 9,
+ .sr_enter_plus_exit_time_us = 11,
+ .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_t dummy_clocks;
+
+static struct dcn35_watermarks dummy_wms = { 0 };
+
+static struct dcn35_ss_info_table ss_info_table = {
+ .ss_divider = 1000,
+ .ss_percentage = {0, 0, 375, 375, 375}
+};
+
+static void dcn35_build_watermark_ranges(struct clk_bw_params *bw_params, struct dcn35_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 dcn35_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_dcn35 *clk_mgr_dcn35 = TO_CLK_MGR_DCN35(clk_mgr);
+ struct dcn35_watermarks *table = clk_mgr_dcn35->smu_wm_set.wm_set;
+
+ if (!clk_mgr->smu_ver)
+ return;
+
+ if (!table || clk_mgr_dcn35->smu_wm_set.mc_address.quad_part == 0)
+ return;
+
+ memset(table, 0, sizeof(*table));
+
+ dcn35_build_watermark_ranges(clk_mgr_base->bw_params, table);
+
+ dcn35_smu_set_dram_addr_high(clk_mgr,
+ clk_mgr_dcn35->smu_wm_set.mc_address.high_part);
+ dcn35_smu_set_dram_addr_low(clk_mgr,
+ clk_mgr_dcn35->smu_wm_set.mc_address.low_part);
+ dcn35_smu_transfer_wm_table_dram_2_smu(clk_mgr);
+}
+
+static void dcn35_get_dpm_table_from_smu(struct clk_mgr_internal *clk_mgr,
+ struct dcn35_smu_dpm_clks *smu_dpm_clks)
+{
+ DpmClocks_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));
+
+ dcn35_smu_set_dram_addr_high(clk_mgr,
+ smu_dpm_clks->mc_address.high_part);
+ dcn35_smu_set_dram_addr_low(clk_mgr,
+ smu_dpm_clks->mc_address.low_part);
+ dcn35_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_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 dcn35_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk_mgr,
+ struct integrated_info *bios_info,
+ const DpmClocks_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--) {
+ 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;
+ }
+ bw_params->clk_table.entries[i].dcfclk_mhz = find_clk_for_voltage(clock_table, clock_table->DcfClocks, clock_table->DfPstateTable[j].Voltage);
+ bw_params->clk_table.entries[i].socclk_mhz = find_clk_for_voltage(clock_table, clock_table->SocClocks, clock_table->DfPstateTable[j].Voltage);
+ 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 ? bios_info->ma_channel_number : 4;
+
+ 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 void dcn35_set_low_power_state(struct clk_mgr *clk_mgr_base)
+{
+ int display_count;
+ struct dc *dc = clk_mgr_base->ctx->dc;
+ struct dc_state *context = dc->current_state;
+
+ if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {
+ display_count = dcn35_get_active_display_cnt_wa(dc, context);
+ /* if we can go lower, go lower */
+ if (display_count == 0)
+ clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER;
+ }
+}
+
+static void dcn35_exit_low_power_state(struct clk_mgr *clk_mgr_base)
+{
+ struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
+
+ //SMU optimization is performed part of low power state exit.
+ dcn35_smu_exit_low_power_state(clk_mgr);
+
+}
+
+static void dcn35_init_clocks_fpga(struct clk_mgr *clk_mgr)
+{
+ dcn35_init_clocks(clk_mgr);
+
+/* TODO: Implement the functions and remove the ifndef guard */
+}
+
+static void dcn35_update_clocks_fpga(struct clk_mgr *clk_mgr,
+ struct dc_state *context,
+ bool safe_to_lower)
+{
+ struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr);
+ struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
+ int fclk_adj = new_clocks->fclk_khz;
+
+ /* TODO: remove this after correctly set by DML */
+ new_clocks->dcfclk_khz = 400000;
+ new_clocks->socclk_khz = 400000;
+
+ /* Min fclk = 1.2GHz since all the extra scemi logic seems to run off of it */
+ //int fclk_adj = new_clocks->fclk_khz > 1200000 ? new_clocks->fclk_khz : 1200000;
+ new_clocks->fclk_khz = 4320000;
+
+ if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr->clks.phyclk_khz)) {
+ clk_mgr->clks.phyclk_khz = new_clocks->phyclk_khz;
+ }
+
+ if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr->clks.dcfclk_khz)) {
+ clk_mgr->clks.dcfclk_khz = new_clocks->dcfclk_khz;
+ }
+
+ if (should_set_clock(safe_to_lower,
+ new_clocks->dcfclk_deep_sleep_khz, clk_mgr->clks.dcfclk_deep_sleep_khz)) {
+ clk_mgr->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz;
+ }
+
+ if (should_set_clock(safe_to_lower, new_clocks->socclk_khz, clk_mgr->clks.socclk_khz)) {
+ clk_mgr->clks.socclk_khz = new_clocks->socclk_khz;
+ }
+
+ if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr->clks.dramclk_khz)) {
+ clk_mgr->clks.dramclk_khz = new_clocks->dramclk_khz;
+ }
+
+ if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->clks.dppclk_khz)) {
+ clk_mgr->clks.dppclk_khz = new_clocks->dppclk_khz;
+ }
+
+ if (should_set_clock(safe_to_lower, fclk_adj, clk_mgr->clks.fclk_khz)) {
+ clk_mgr->clks.fclk_khz = fclk_adj;
+ }
+
+ if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr->clks.dispclk_khz)) {
+ clk_mgr->clks.dispclk_khz = new_clocks->dispclk_khz;
+ }
+
+ /* Both fclk and ref_dppclk run on the same scemi clock.
+ * So take the higher value since the DPP DTO is typically programmed
+ * such that max dppclk is 1:1 with ref_dppclk.
+ */
+ if (clk_mgr->clks.fclk_khz > clk_mgr->clks.dppclk_khz)
+ clk_mgr->clks.dppclk_khz = clk_mgr->clks.fclk_khz;
+ if (clk_mgr->clks.dppclk_khz > clk_mgr->clks.fclk_khz)
+ clk_mgr->clks.fclk_khz = clk_mgr->clks.dppclk_khz;
+
+ // Both fclk and ref_dppclk run on the same scemi clock.
+ clk_mgr_int->dccg->ref_dppclk = clk_mgr->clks.fclk_khz;
+
+ /* TODO: set dtbclk in correct place */
+ clk_mgr->clks.dtbclk_en = true;
+ dm_set_dcn_clocks(clk_mgr->ctx, &clk_mgr->clks);
+ dcn35_update_clocks_update_dpp_dto(clk_mgr_int, context, safe_to_lower);
+
+ dcn35_update_clocks_update_dtb_dto(clk_mgr_int, context, clk_mgr->clks.ref_dtbclk_khz);
+}
+
+static struct clk_mgr_funcs dcn35_funcs = {
+ .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
+ .get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz,
+ .update_clocks = dcn35_update_clocks,
+ .init_clocks = dcn35_init_clocks,
+ .enable_pme_wa = dcn35_enable_pme_wa,
+ .are_clock_states_equal = dcn35_are_clock_states_equal,
+ .notify_wm_ranges = dcn35_notify_wm_ranges,
+ .set_low_power_state = dcn35_set_low_power_state,
+ .exit_low_power_state = dcn35_exit_low_power_state,
+};
+
+struct clk_mgr_funcs dcn35_fpga_funcs = {
+ .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
+ .update_clocks = dcn35_update_clocks_fpga,
+ .init_clocks = dcn35_init_clocks_fpga,
+ .get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz,
+};
+
+static void dcn35_read_ss_info_from_lut(struct clk_mgr_internal *clk_mgr)
+{
+ uint32_t clock_source;
+ struct dc_context *ctx = clk_mgr->base.ctx;
+
+ REG_GET(CLK1_CLK2_BYPASS_CNTL, CLK2_BYPASS_SEL, &clock_source);
+
+ clk_mgr->dprefclk_ss_percentage = ss_info_table.ss_percentage[clock_source];
+
+ if (clk_mgr->dprefclk_ss_percentage != 0) {
+ clk_mgr->ss_on_dprefclk = true;
+ clk_mgr->dprefclk_ss_divider = ss_info_table.ss_divider;
+ }
+}
+
+void dcn35_clk_mgr_construct(
+ struct dc_context *ctx,
+ struct clk_mgr_dcn35 *clk_mgr,
+ struct pp_smu_funcs *pp_smu,
+ struct dccg *dccg)
+{
+ struct dcn35_smu_dpm_clks smu_dpm_clks = { 0 };
+ struct clk_log_info log_info = {0};
+ clk_mgr->base.base.ctx = ctx;
+ clk_mgr->base.base.funcs = &dcn35_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 dcn35_watermarks *)dm_helpers_allocate_gpu_mem(
+ clk_mgr->base.base.ctx,
+ DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
+ sizeof(struct dcn35_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_t *)dm_helpers_allocate_gpu_mem(
+ clk_mgr->base.base.ctx,
+ DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
+ sizeof(DpmClocks_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);
+
+ clk_mgr->base.smu_ver = dcn35_smu_get_smu_version(&clk_mgr->base);
+
+ if (clk_mgr->base.smu_ver)
+ clk_mgr->base.smu_present = true;
+
+ /* TODO: Check we get what we expect during bringup */
+ clk_mgr->base.base.dentist_vco_freq_khz = get_vco_frequency_from_reg(&clk_mgr->base);
+
+ if (ctx->dc_bios->integrated_info->memory_type == LpDdr5MemType) {
+ dcn35_bw_params.wm_table = lpddr5_wm_table;
+ } else {
+ dcn35_bw_params.wm_table = ddr5_wm_table;
+ }
+ /* Saved clocks configured at boot for debug purposes */
+ dcn35_dump_clk_registers(&clk_mgr->base.base.boot_snapshot, &clk_mgr->base.base, &log_info);
+
+ clk_mgr->base.base.dprefclk_khz = dcn35_smu_get_dprefclk(&clk_mgr->base);
+ clk_mgr->base.base.clks.ref_dtbclk_khz = dcn35_smu_get_dtbclk(&clk_mgr->base);
+
+ if (!clk_mgr->base.base.clks.ref_dtbclk_khz)
+ dcn35_smu_set_dtbclk(&clk_mgr->base, true);
+
+ clk_mgr->base.base.clks.dtbclk_en = true;
+ dce_clock_read_ss_info(&clk_mgr->base);
+ /*when clk src is from FCH, it could have ss, same clock src as DPREF clk*/
+
+ dcn35_read_ss_info_from_lut(&clk_mgr->base);
+ clk_mgr->base.base.dprefclk_khz =
+ dce_adjust_dp_ref_freq_for_ss(&clk_mgr->base, clk_mgr->base.base.dprefclk_khz);
+
+ clk_mgr->base.base.bw_params = &dcn35_bw_params;
+
+ if (clk_mgr->base.base.ctx->dc->debug.pstate_enabled) {
+ int i;
+ dcn35_get_dpm_table_from_smu(&clk_mgr->base, &smu_dpm_clks);
+ DC_LOG_SMU("NumDcfClkLevelsEnabled: %d\n"
+ "NumDispClkLevelsEnabled: %d\n"
+ "NumSocClkLevelsEnabled: %d\n"
+ "VcnClkLevelsEnabled: %d\n"
+ "NumDfPst atesEnabled: %d\n"
+ "MinGfxClk: %d\n"
+ "MaxGfxClk: %d\n",
+ smu_dpm_clks.dpm_clks->NumDcfClkLevelsEnabled,
+ smu_dpm_clks.dpm_clks->NumDispClkLevelsEnabled,
+ smu_dpm_clks.dpm_clks->NumSocClkLevelsEnabled,
+ smu_dpm_clks.dpm_clks->VcnClkLevelsEnabled,
+ smu_dpm_clks.dpm_clks->NumDfPstatesEnabled,
+ smu_dpm_clks.dpm_clks->MinGfxClk,
+ smu_dpm_clks.dpm_clks->MaxGfxClk);
+ for (i = 0; i < smu_dpm_clks.dpm_clks->NumDcfClkLevelsEnabled; i++) {
+ DC_LOG_SMU("smu_dpm_clks.dpm_clks->DcfClocks[%d] = %d\n",
+ i,
+ smu_dpm_clks.dpm_clks->DcfClocks[i]);
+ }
+ for (i = 0; i < smu_dpm_clks.dpm_clks->NumDispClkLevelsEnabled; i++) {
+ DC_LOG_SMU("smu_dpm_clks.dpm_clks->DispClocks[%d] = %d\n",
+ i, smu_dpm_clks.dpm_clks->DispClocks[i]);
+ }
+ for (i = 0; i < smu_dpm_clks.dpm_clks->NumSocClkLevelsEnabled; i++) {
+ DC_LOG_SMU("smu_dpm_clks.dpm_clks->SocClocks[%d] = %d\n",
+ i, smu_dpm_clks.dpm_clks->SocClocks[i]);
+ }
+ for (i = 0; i < NUM_SOC_VOLTAGE_LEVELS; i++)
+ DC_LOG_SMU("smu_dpm_clks.dpm_clks->SocVoltage[%d] = %d\n",
+ i, smu_dpm_clks.dpm_clks->SocVoltage[i]);
+
+ for (i = 0; i < NUM_DF_PSTATE_LEVELS; i++) {
+ DC_LOG_SMU("smu_dpm_clks.dpm_clks.DfPstateTable[%d].FClk = %d\n"
+ "smu_dpm_clks.dpm_clks->DfPstateTable[%d].MemClk= %d\n"
+ "smu_dpm_clks.dpm_clks->DfPstateTable[%d].Voltage = %d\n",
+ i, smu_dpm_clks.dpm_clks->DfPstateTable[i].FClk,
+ i, smu_dpm_clks.dpm_clks->DfPstateTable[i].MemClk,
+ i, smu_dpm_clks.dpm_clks->DfPstateTable[i].Voltage);
+ }
+
+ if (ctx->dc_bios && ctx->dc_bios->integrated_info && ctx->dc->config.use_default_clock_table == false) {
+ dcn35_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 dcn35_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int)
+{
+ struct clk_mgr_dcn35 *clk_mgr = TO_CLK_MGR_DCN35(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);
+}
--- /dev/null
+/*
+ * Copyright 2022 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 "dcn35_smu.h"
+
+#include "mp/mp_14_0_0_offset.h"
+#include "mp/mp_14_0_0_sh_mask.h"
+
+/* TODO: Use the real headers when they're correct */
+#define MP1_BASE__INST0_SEG0 0x00016000
+#define MP1_BASE__INST0_SEG1 0x0243FC00
+#define MP1_BASE__INST0_SEG2 0x00DC0000
+#define MP1_BASE__INST0_SEG3 0x00E00000
+#define MP1_BASE__INST0_SEG4 0x00E40000
+#define MP1_BASE__INST0_SEG5 0
+
+#ifdef BASE_INNER
+#undef BASE_INNER
+#endif
+
+#define BASE_INNER(seg) MP1_BASE__INST0_SEG ## seg
+
+#define BASE(seg) BASE_INNER(seg)
+
+#define REG(reg_name) (BASE(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 0x1
+#define VBIOSSMC_MSG_GetSmuVersion 0x2
+#define VBIOSSMC_MSG_PowerUpGfx 0x3
+#define VBIOSSMC_MSG_SetDispclkFreq 0x4
+#define VBIOSSMC_MSG_SetDprefclkFreq 0x5 //Not used. DPRef is constant
+#define VBIOSSMC_MSG_SetDppclkFreq 0x6
+#define VBIOSSMC_MSG_SetHardMinDcfclkByFreq 0x7
+#define VBIOSSMC_MSG_SetMinDeepSleepDcfclk 0x8
+#define VBIOSSMC_MSG_SetPhyclkVoltageByFreq 0x9 //Keep it in case VMIN dees not support phy clk
+#define VBIOSSMC_MSG_GetFclkFrequency 0xA
+#define VBIOSSMC_MSG_SetDisplayCount 0xB //Not used anymore
+#define VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown 0xC //To ask PMFW turn off TMDP 48MHz refclk during display off to save power
+#define VBIOSSMC_MSG_UpdatePmeRestore 0xD
+#define VBIOSSMC_MSG_SetVbiosDramAddrHigh 0xE //Used for WM table txfr
+#define VBIOSSMC_MSG_SetVbiosDramAddrLow 0xF
+#define VBIOSSMC_MSG_TransferTableSmu2Dram 0x10
+#define VBIOSSMC_MSG_TransferTableDram2Smu 0x11
+#define VBIOSSMC_MSG_SetDisplayIdleOptimizations 0x12
+#define VBIOSSMC_MSG_GetDprefclkFreq 0x13
+#define VBIOSSMC_MSG_GetDtbclkFreq 0x14
+#define VBIOSSMC_MSG_AllowZstatesEntry 0x15
+#define VBIOSSMC_MSG_DisallowZstatesEntry 0x16
+#define VBIOSSMC_MSG_SetDtbClk 0x17
+#define VBIOSSMC_MSG_DispPsrEntry 0x18 ///< Display PSR entry, DMU
+#define VBIOSSMC_MSG_DispPsrExit 0x19 ///< Display PSR exit, DMU
+#define VBIOSSMC_Message_Count 0x1A
+
+#define VBIOSSMC_Status_BUSY 0x0
+#define VBIOSSMC_Result_OK 0x1
+#define VBIOSSMC_Result_Failed 0xFF
+#define VBIOSSMC_Result_UnknownCmd 0xFE
+#define VBIOSSMC_Result_CmdRejectedPrereq 0xFD
+#define VBIOSSMC_Result_CmdRejectedBusy 0xFC
+
+/*
+ * 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 dcn35_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 dcn35_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr,
+ unsigned int msg_id,
+ unsigned int param)
+{
+ uint32_t result;
+
+ result = dcn35_smu_wait_for_response(clk_mgr, 10, 2000000);
+ ASSERT(result == VBIOSSMC_Result_OK);
+
+
+
+ if (result == VBIOSSMC_Status_BUSY) {
+ smu_print("SMU response after wait: %d\n", result);
+ 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 = dcn35_smu_wait_for_response(clk_mgr, 10, 2000000);
+
+ if (result == VBIOSSMC_Result_Failed) {
+ if (msg_id == VBIOSSMC_MSG_TransferTableDram2Smu &&
+ param == TABLE_WATERMARKS)
+ DC_LOG_WARNING("Watermarks table not configured properly by SMU");
+ else
+ ASSERT(0);
+ REG_WRITE(MP1_SMN_C2PMSG_91, VBIOSSMC_Result_OK);
+ smu_print("SMU response after wait: %d\n", result);
+ return -1;
+ }
+
+ if (IS_SMU_TIMEOUT(result)) {
+ ASSERT(0);
+ result = dcn35_smu_wait_for_response(clk_mgr, 10, 2000000);
+ //dm_helpers_smu_timeout(CTX, msg_id, param, 10 * 200000);
+ smu_print("SMU response after wait: %d\n", result);
+ }
+
+ return REG_READ(MP1_SMN_C2PMSG_83);
+}
+
+int dcn35_smu_get_smu_version(struct clk_mgr_internal *clk_mgr)
+{
+ return dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_GetSmuVersion,
+ 0);
+}
+
+
+int dcn35_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 = dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDispclkFreq,
+ khz_to_mhz_ceil(requested_dispclk_khz));
+
+ smu_print("requested_dispclk_khz = %d, actual_dispclk_set_mhz: %d\n", requested_dispclk_khz, actual_dispclk_set_mhz);
+ return actual_dispclk_set_mhz * 1000;
+}
+
+int dcn35_smu_set_dprefclk(struct clk_mgr_internal *clk_mgr)
+{
+ int actual_dprefclk_set_mhz = -1;
+
+ if (!clk_mgr->smu_present)
+ return clk_mgr->base.dprefclk_khz;
+
+ actual_dprefclk_set_mhz = dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDprefclkFreq,
+ khz_to_mhz_ceil(clk_mgr->base.dprefclk_khz));
+
+ /* TODO: add code for programing DP DTO, currently this is down by command table */
+
+ return actual_dprefclk_set_mhz * 1000;
+}
+
+int dcn35_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz)
+{
+ int actual_dcfclk_set_mhz = -1;
+
+ if (!clk_mgr->smu_present)
+ return requested_dcfclk_khz;
+
+ actual_dcfclk_set_mhz = dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetHardMinDcfclkByFreq,
+ khz_to_mhz_ceil(requested_dcfclk_khz));
+
+ smu_print("requested_dcfclk_khz = %d, actual_dcfclk_set_mhz: %d\n", requested_dcfclk_khz, actual_dcfclk_set_mhz);
+
+ return actual_dcfclk_set_mhz * 1000;
+}
+
+int dcn35_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 = dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetMinDeepSleepDcfclk,
+ khz_to_mhz_ceil(requested_min_ds_dcfclk_khz));
+
+ smu_print("requested_min_ds_dcfclk_khz = %d, actual_min_ds_dcfclk_mhz: %d\n", requested_min_ds_dcfclk_khz, actual_min_ds_dcfclk_mhz);
+
+ return actual_min_ds_dcfclk_mhz * 1000;
+}
+
+int dcn35_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 = dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDppclkFreq,
+ khz_to_mhz_ceil(requested_dpp_khz));
+
+ smu_print("requested_dpp_khz = %d, actual_dppclk_set_mhz: %d\n", requested_dpp_khz, actual_dppclk_set_mhz);
+
+ return actual_dppclk_set_mhz * 1000;
+}
+
+void dcn35_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.
+ dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDisplayIdleOptimizations,
+ idle_info);
+ smu_print("VBIOSSMC_MSG_SetDisplayIdleOptimizations idle_info = %d\n", idle_info);
+}
+
+void dcn35_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;
+ }
+
+ dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDisplayIdleOptimizations,
+ idle_info.data);
+ smu_print("dcn35_smu_enable_phy_refclk_pwrdwn = %d\n", enable ? 1 : 0);
+}
+
+void dcn35_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_UpdatePmeRestore,
+ 0);
+}
+
+void dcn35_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn35_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_SetVbiosDramAddrHigh, addr_high);
+}
+
+void dcn35_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn35_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_SetVbiosDramAddrLow, addr_low);
+}
+
+void dcn35_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn35_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_TransferTableSmu2Dram, TABLE_DPMCLOCKS);
+}
+
+void dcn35_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn35_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_TransferTableDram2Smu, TABLE_WATERMARKS);
+}
+
+void dcn35_smu_set_zstate_support(struct clk_mgr_internal *clk_mgr, enum dcn_zstate_support_state support)
+{
+ unsigned int msg_id, param;
+
+ if (!clk_mgr->smu_present)
+ return;
+
+ switch (support) {
+
+ case DCN_ZSTATE_SUPPORT_ALLOW:
+ msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
+ param = (1 << 10) | (1 << 9) | (1 << 8);
+ break;
+
+ case DCN_ZSTATE_SUPPORT_DISALLOW:
+ msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
+ param = 0;
+ break;
+
+
+ case DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY:
+ msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
+ param = (1 << 10);
+ break;
+
+ case DCN_ZSTATE_SUPPORT_ALLOW_Z8_Z10_ONLY:
+ msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
+ param = (1 << 10) | (1 << 8);
+ break;
+
+ case DCN_ZSTATE_SUPPORT_ALLOW_Z8_ONLY:
+ msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
+ param = (1 << 8);
+ break;
+
+ default: //DCN_ZSTATE_SUPPORT_UNKNOWN
+ msg_id = VBIOSSMC_MSG_AllowZstatesEntry;
+ param = 0;
+ break;
+ }
+
+
+ dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ msg_id,
+ param);
+ smu_print("dcn35_smu_set_zstate_support msg_id = %d, param = %d\n", msg_id, param);
+}
+
+int dcn35_smu_get_dprefclk(struct clk_mgr_internal *clk_mgr)
+{
+ int dprefclk;
+
+ if (!clk_mgr->smu_present)
+ return 0;
+
+ dprefclk = dcn35_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_GetDprefclkFreq,
+ 0);
+
+ smu_print("dcn35_smu_get_DPREF clk = %d mhz\n", dprefclk);
+ return dprefclk * 1000;
+}
+
+int dcn35_smu_get_dtbclk(struct clk_mgr_internal *clk_mgr)
+{
+ int dtbclk;
+
+ if (!clk_mgr->smu_present)
+ return 0;
+
+ dtbclk = dcn35_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_GetDtbclkFreq,
+ 0);
+
+ smu_print("dcn35_smu_get_dtbclk = %d mhz\n", dtbclk);
+ return dtbclk * 1000;
+}
+/* Arg = 1: Turn DTB on; 0: Turn DTB CLK OFF. when it is on, it is 600MHZ */
+void dcn35_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDtbClk,
+ enable);
+ smu_print("dcn35_smu_set_dtbclk = %d \n", enable ? 1 : 0);
+}
+
+void dcn35_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable)
+{
+ dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown,
+ enable);
+}
+
+void dcn35_smu_exit_low_power_state(struct clk_mgr_internal *clk_mgr)
+{
+ dcn35_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_DispPsrExit,
+ 0);
+}
projects / linux-2.6-block.git / commitdiff