[PATCH 04/13] drm/amd/display: Add DCN315 CLK_MGR
Alex Deucher
alexander.deucher at amd.com
Fri Feb 18 16:58:45 UTC 2022
From: Qingqing Zhuo <qingqing.zhuo at amd.com>
Clk and SMU interfaces for DCN 3.1.5.
Signed-off-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
.../gpu/drm/amd/display/dc/clk_mgr/Makefile | 9 +
.../gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c | 23 +-
.../dc/clk_mgr/dcn315/dcn315_clk_mgr.c | 607 ++++++++++++++++++
.../dc/clk_mgr/dcn315/dcn315_clk_mgr.h | 49 ++
.../display/dc/clk_mgr/dcn315/dcn315_smu.c | 329 ++++++++++
.../display/dc/clk_mgr/dcn315/dcn315_smu.h | 126 ++++
6 files changed, 1141 insertions(+), 2 deletions(-)
create mode 100644 drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
create mode 100644 drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.h
create mode 100644 drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.c
create mode 100644 drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.h
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile
index 3bf8ef9373e8..817871917632 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile
@@ -154,6 +154,15 @@ AMD_DAL_CLK_MGR_DCN31 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn31/,$(CLK_MGR_DC
AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN31)
+###############################################################################
+# DCN315
+###############################################################################
+CLK_MGR_DCN315 = dcn315_smu.o dcn315_clk_mgr.o
+
+AMD_DAL_CLK_MGR_DCN315 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn315/,$(CLK_MGR_DCN315))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN315)
+
###############################################################################
# DCN316
###############################################################################
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
index 0a608bd4bd61..772bffda68cc 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
@@ -43,6 +43,7 @@
#include "dcn30/dcn30_clk_mgr.h"
#include "dcn301/vg_clk_mgr.h"
#include "dcn31/dcn31_clk_mgr.h"
+#include "dcn315/dcn315_clk_mgr.h"
#include "dcn316/dcn316_clk_mgr.h"
@@ -290,6 +291,19 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p
dcn31_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
return &clk_mgr->base.base;
}
+ break;
+ case AMDGPU_FAMILY_GC_10_3_6: {
+ struct clk_mgr_dcn315 *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
+
+ if (clk_mgr == NULL) {
+ BREAK_TO_DEBUGGER();
+ return NULL;
+ }
+
+ dcn315_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
+ return &clk_mgr->base.base;
+ }
+ break;
case AMDGPU_FAMILY_GC_10_3_7: {
struct clk_mgr_dcn316 *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
@@ -301,6 +315,7 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p
dcn316_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
return &clk_mgr->base.base;
}
+ break;
#endif
default:
@@ -334,11 +349,15 @@ void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr_base)
break;
case FAMILY_YELLOW_CARP:
- dcn31_clk_mgr_destroy(clk_mgr);
+ dcn31_clk_mgr_destroy(clk_mgr);
+ break;
+
+ case AMDGPU_FAMILY_GC_10_3_6:
+ dcn315_clk_mgr_destroy(clk_mgr);
break;
case AMDGPU_FAMILY_GC_10_3_7:
- dcn316_clk_mgr_destroy(clk_mgr);
+ dcn316_clk_mgr_destroy(clk_mgr);
break;
default:
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
new file mode 100644
index 000000000000..90c265275f93
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
@@ -0,0 +1,607 @@
+/*
+ * 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 "dcn315_clk_mgr.h"
+
+#include "core_types.h"
+#include "dcn315_smu.h"
+#include "dm_helpers.h"
+
+#include "dc_dmub_srv.h"
+
+#if defined (CONFIG_DRM_AMD_DC_DP2_0)
+#include "dc_link_dp.h"
+#endif
+
+#define TO_CLK_MGR_DCN315(clk_mgr)\
+ container_of(clk_mgr, struct clk_mgr_dcn315, base)
+
+static int dcn315_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 dcn315_disable_otg_wa(struct clk_mgr *clk_mgr_base, 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))) {
+ if (disable)
+ pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
+ else
+ pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
+ }
+ }
+}
+
+static void dcn315_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;
+
+ clk_mgr_base->clks.zstate_support = new_clocks->zstate_support;
+ /*
+ * 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) {
+ /* check that we're not already in lower */
+ if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {
+ display_count = dcn315_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;
+ dcn315_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 {
+ /* 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 };
+ dcn315_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;
+ dcn315_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;
+ dcn315_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)) {
+ dcn315_disable_otg_wa(clk_mgr_base, true);
+
+ clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz;
+ dcn315_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
+ dcn315_disable_otg_wa(clk_mgr_base, 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);
+ dcn315_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)
+ dcn315_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 dcn315_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 dcn315_bw_params = {
+ .vram_type = Ddr4MemType,
+ .num_channels = 1,
+ .clk_table = {
+ .num_entries = 5,
+ },
+
+};
+
+static struct wm_table ddr5_wm_table = {
+ .entries = {
+ {
+ .wm_inst = WM_A,
+ .wm_type = WM_TYPE_PSTATE_CHG,
+ .pstate_latency_us = 64.0,
+ .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 = 64.0,
+ .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 = 64.0,
+ .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 = 64.0,
+ .sr_exit_time_us = 11.5,
+ .sr_enter_plus_exit_time_us = 14.5,
+ .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_315_t dummy_clocks;
+
+static struct dcn315_watermarks dummy_wms = { 0 };
+
+static void dcn315_build_watermark_ranges(struct clk_bw_params *bw_params, struct dcn315_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 dcn315_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_dcn315 *clk_mgr_dcn315 = TO_CLK_MGR_DCN315(clk_mgr);
+ struct dcn315_watermarks *table = clk_mgr_dcn315->smu_wm_set.wm_set;
+
+ if (!clk_mgr->smu_ver)
+ return;
+
+ if (!table || clk_mgr_dcn315->smu_wm_set.mc_address.quad_part == 0)
+ return;
+
+ memset(table, 0, sizeof(*table));
+
+ dcn315_build_watermark_ranges(clk_mgr_base->bw_params, table);
+
+ dcn315_smu_set_dram_addr_high(clk_mgr,
+ clk_mgr_dcn315->smu_wm_set.mc_address.high_part);
+ dcn315_smu_set_dram_addr_low(clk_mgr,
+ clk_mgr_dcn315->smu_wm_set.mc_address.low_part);
+ dcn315_smu_transfer_wm_table_dram_2_smu(clk_mgr);
+}
+
+static void dcn315_get_dpm_table_from_smu(struct clk_mgr_internal *clk_mgr,
+ struct dcn315_smu_dpm_clks *smu_dpm_clks)
+{
+ DpmClocks_315_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));
+
+ dcn315_smu_set_dram_addr_high(clk_mgr,
+ smu_dpm_clks->mc_address.high_part);
+ dcn315_smu_set_dram_addr_low(clk_mgr,
+ smu_dpm_clks->mc_address.low_part);
+ dcn315_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_dfpstate_for_voltage(
+ const DfPstateTable_t table[],
+ unsigned int NumDfPstatesEnabled,
+ unsigned int voltage)
+{
+ int i;
+ unsigned int minVoltage = table[0].Voltage;
+ unsigned int minlevel = 0;
+
+ for (i = 1; i < NumDfPstatesEnabled; i++) {
+ if (table[i].Voltage >= voltage && minVoltage > table[i].Voltage) {
+ minVoltage = table[i].Voltage;
+ minlevel = i;
+ }
+ }
+
+ return minlevel;
+}
+
+void dcn315_clk_mgr_helper_populate_bw_params(
+ struct clk_mgr_internal *clk_mgr,
+ struct integrated_info *bios_info,
+ const DpmClocks_315_t *clock_table)
+{
+ int i, num_clk_lvl;
+ struct clk_bw_params *bw_params = clk_mgr->base.bw_params;
+ uint32_t max_dispclk = 0, max_dppclk = 0;
+
+ num_clk_lvl = clock_table->NumDcfClkLevelsEnabled;
+
+ ASSERT(num_clk_lvl <= MAX_NUM_DPM_LVL);
+
+ if (num_clk_lvl == 0 || clock_table->DcfClocks[0] == 0) {
+ /* clock table is no good, just use our own hardcode */
+ ASSERT(0);
+ return;
+ }
+
+ bw_params->clk_table.num_entries = num_clk_lvl;
+
+ /* 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++) {
+ int j = find_dfpstate_for_voltage(clock_table->DfPstateTable, clock_table->NumDfPstatesEnabled, clock_table->SocVoltage[i]);
+
+ 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;
+ bw_params->clk_table.entries[i].wck_ratio = 1;
+ bw_params->clk_table.entries[i].dcfclk_mhz = clock_table->DcfClocks[i];
+ bw_params->clk_table.entries[i].socclk_mhz = clock_table->SocClocks[i];
+ 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 void dcn315_enable_pme_wa(struct clk_mgr *clk_mgr_base)
+{
+ struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
+
+ dcn315_smu_enable_pme_wa(clk_mgr);
+}
+
+static struct clk_mgr_funcs dcn315_funcs = {
+ .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
+ .update_clocks = dcn315_update_clocks,
+ .init_clocks = dcn31_init_clocks,
+ .enable_pme_wa = dcn315_enable_pme_wa,
+ .are_clock_states_equal = dcn31_are_clock_states_equal,
+ .notify_wm_ranges = dcn315_notify_wm_ranges
+};
+extern struct clk_mgr_funcs dcn3_fpga_funcs;
+
+void dcn315_clk_mgr_construct(
+ struct dc_context *ctx,
+ struct clk_mgr_dcn315 *clk_mgr,
+ struct pp_smu_funcs *pp_smu,
+ struct dccg *dccg)
+{
+ struct dcn315_smu_dpm_clks smu_dpm_clks = { 0 };
+
+ clk_mgr->base.base.ctx = ctx;
+ clk_mgr->base.base.funcs = &dcn315_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 dcn315_watermarks *)dm_helpers_allocate_gpu_mem(
+ clk_mgr->base.base.ctx,
+ DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
+ sizeof(struct dcn315_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_315_t *)dm_helpers_allocate_gpu_mem(
+ clk_mgr->base.base.ctx,
+ DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
+ sizeof(DpmClocks_315_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;
+ } else {
+ struct clk_log_info log_info = {0};
+
+ clk_mgr->base.smu_ver = dcn315_smu_get_smu_version(&clk_mgr->base);
+
+ if (clk_mgr->base.smu_ver > 0)
+ clk_mgr->base.smu_present = true;
+
+ if (ctx->dc_bios->integrated_info->memory_type == LpDdr5MemType) {
+ dcn315_bw_params.wm_table = lpddr5_wm_table;
+ } else {
+ dcn315_bw_params.wm_table = ddr5_wm_table;
+ }
+ /* Saved clocks configured at boot for debug purposes */
+ dcn315_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.dccg->ref_dtbclk_khz = 600000;
+ dce_clock_read_ss_info(&clk_mgr->base);
+
+ clk_mgr->base.base.bw_params = &dcn315_bw_params;
+
+ if (clk_mgr->base.base.ctx->dc->debug.pstate_enabled) {
+ dcn315_get_dpm_table_from_smu(&clk_mgr->base, &smu_dpm_clks);
+
+ if (ctx->dc_bios && ctx->dc_bios->integrated_info) {
+ dcn315_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 dcn315_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int)
+{
+ struct clk_mgr_dcn315 *clk_mgr = TO_CLK_MGR_DCN315(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/dcn315/dcn315_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.h
new file mode 100644
index 000000000000..ac36ddf5dd1a
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_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 __DCN315_CLK_MGR_H__
+#define __DCN315_CLK_MGR_H__
+#include "clk_mgr_internal.h"
+
+struct dcn315_watermarks;
+
+struct dcn315_smu_watermark_set {
+ struct dcn315_watermarks *wm_set;
+ union large_integer mc_address;
+};
+
+struct clk_mgr_dcn315 {
+ struct clk_mgr_internal base;
+ struct dcn315_smu_watermark_set smu_wm_set;
+};
+
+void dcn315_clk_mgr_construct(struct dc_context *ctx,
+ struct clk_mgr_dcn315 *clk_mgr,
+ struct pp_smu_funcs *pp_smu,
+ struct dccg *dccg);
+
+void dcn315_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int);
+
+#endif //__DCN315_CLK_MGR_H__
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.c
new file mode 100644
index 000000000000..a60543258a5b
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.c
@@ -0,0 +1,329 @@
+/*
+ * 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 "dcn315_smu.h"
+#include "mp/mp_13_0_5_offset.h"
+
+#define MAX_INSTANCE 6
+#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 } } } };
+static const struct IP_BASE NBIO_BASE = { { { { 0x00000000, 0x00000014, 0x00000D20, 0x00010400, 0x0241B000, 0x04040000 } },
+ { { 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 regBIF_BX_PF2_RSMU_INDEX 0x0000
+#define regBIF_BX_PF2_RSMU_INDEX_BASE_IDX 1
+#define regBIF_BX_PF2_RSMU_DATA 0x0001
+#define regBIF_BX_PF2_RSMU_DATA_BASE_IDX 1
+
+#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)
+
+#define REG_NBIO(reg_name) \
+ (NBIO_BASE.instance[0].segment[regBIF_BX_PF2_ ## reg_name ## _BASE_IDX] + regBIF_BX_PF2_ ## reg_name)
+
+#define mmMP1_C2PMSG_3 0x3B1050C
+
+#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_EnableTmdp48MHzRefclkPwrDown 0x0C ///< To ask PMFW turn off TMDP 48MHz refclk during display off to save power
+#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_Message_Count 0x14 ///< 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 dcn315_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_38);
+ 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;
+}
+
+int dcn315_smu_send_msg_with_param(
+ struct clk_mgr_internal *clk_mgr,
+ unsigned int msg_id, unsigned int param)
+{
+ uint32_t result;
+
+ result = dcn315_smu_wait_for_response(clk_mgr, 10, 200000);
+ ASSERT(result == VBIOSSMC_Result_OK);
+
+ if (result == VBIOSSMC_Status_BUSY) {
+ return -1;
+ }
+
+ /* First clear response register */
+ REG_WRITE(MP1_SMN_C2PMSG_38, VBIOSSMC_Status_BUSY);
+
+ /* Set the parameter register for the SMU message, unit is Mhz */
+ REG_WRITE(MP1_SMN_C2PMSG_37, param);
+
+ /* Trigger the message transaction by writing the message ID */
+ generic_write_indirect_reg(CTX,
+ REG_NBIO(RSMU_INDEX), REG_NBIO(RSMU_DATA),
+ mmMP1_C2PMSG_3, msg_id);
+
+ result = dcn315_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_37);
+}
+
+int dcn315_smu_get_smu_version(struct clk_mgr_internal *clk_mgr)
+{
+ return dcn315_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_GetPmfwVersion,
+ 0);
+}
+
+
+int dcn315_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 = dcn315_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDispclkFreq,
+ khz_to_mhz_ceil(requested_dispclk_khz));
+
+ return actual_dispclk_set_mhz * 1000;
+}
+int dcn315_smu_set_voltage_via_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz)
+{
+ int actual_phypclk_set_mhz = -1;
+
+ if (!clk_mgr->smu_present && requested_phyclk_khz)
+ return requested_phyclk_khz;
+
+ /* Unit of SMU msg parameter is Mhz */
+ actual_phypclk_set_mhz = dcn315_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetPhyclkVoltageByFreq,
+ khz_to_mhz_ceil(requested_phyclk_khz));
+
+ return actual_phypclk_set_mhz * 1000;
+}
+
+int dcn315_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 = dcn315_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetHardMinDcfclkByFreq,
+ khz_to_mhz_ceil(requested_dcfclk_khz));
+
+ return actual_dcfclk_set_mhz * 1000;
+}
+
+int dcn315_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 = dcn315_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 dcn315_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 = dcn315_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDppclkFreq,
+ khz_to_mhz_ceil(requested_dpp_khz));
+
+ return actual_dppclk_set_mhz * 1000;
+}
+
+void dcn315_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.
+ dcn315_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDisplayIdleOptimizations,
+ idle_info);
+}
+
+void dcn315_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;
+ }
+
+ dcn315_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_SetDisplayIdleOptimizations,
+ idle_info.data);
+}
+
+void dcn315_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn315_smu_send_msg_with_param(
+ clk_mgr,
+ VBIOSSMC_MSG_UpdatePmeRestore,
+ 0);
+}
+void dcn315_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn315_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_SetVbiosDramAddrHigh, addr_high);
+}
+
+void dcn315_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn315_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_SetVbiosDramAddrLow, addr_low);
+}
+
+void dcn315_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn315_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_TransferTableSmu2Dram, TABLE_DPMCLOCKS);
+}
+
+void dcn315_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr)
+{
+ if (!clk_mgr->smu_present)
+ return;
+
+ dcn315_smu_send_msg_with_param(clk_mgr,
+ VBIOSSMC_MSG_TransferTableDram2Smu, TABLE_WATERMARKS);
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.h
new file mode 100644
index 000000000000..96ec6bfcad22
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_smu.h
@@ -0,0 +1,126 @@
+/*
+ * 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_315_SMU_H_
+#define DAL_DC_315_SMU_H_
+#include "os_types.h"
+
+#define PMFW_DRIVER_IF_VERSION 4
+
+#define NUM_DCFCLK_DPM_LEVELS 4
+#define NUM_DISPCLK_DPM_LEVELS 4
+#define NUM_DPPCLK_DPM_LEVELS 4
+#define NUM_SOCCLK_DPM_LEVELS 4
+#define NUM_VCN_DPM_LEVELS 4
+#define NUM_SOC_VOLTAGE_LEVELS 4
+#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 struct {
+ uint32_t FClk;
+ uint32_t MemClk;
+ uint32_t Voltage;
+} 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_315_t;
+
+struct dcn315_watermarks {
+ // Watermarks
+ WatermarkRowGeneric_t WatermarkRow[WM_COUNT][NUM_WM_RANGES];
+ uint32_t MmHubPadding[7]; // SMU internal use
+};
+
+struct dcn315_smu_dpm_clks {
+ DpmClocks_315_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 dcn315_smu_get_smu_version(struct clk_mgr_internal *clk_mgr);
+int dcn315_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz);
+int dcn315_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz);
+int dcn315_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz);
+int dcn315_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz);
+void dcn315_smu_set_display_idle_optimization(struct clk_mgr_internal *clk_mgr, uint32_t idle_info);
+void dcn315_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable);
+void dcn315_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high);
+void dcn315_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low);
+void dcn315_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr);
+void dcn315_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr);
+void dcn315_smu_request_voltage_via_phyclk(struct clk_mgr_internal *clk_mgr, int requested_phyclk_khz);
+void dcn315_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr);
+#endif /* DAL_DC_315_SMU_H_ */
--
2.35.1
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