[PATCH] drm/amdgpu/powerplay: add renoir funcs to support dc

Wang, Kevin(Yang) Kevin1.Wang at amd.com
Fri Oct 11 13:28:20 UTC 2019


it looks fine for me.

Reviewed-by: Kevin Wang <kevin1.wang at amd.com>

Best Regards,
Kevin

________________________________
From: Hersen Wu <hersenxs.wu at amd.com>
Sent: Thursday, October 10, 2019 10:58 PM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Wentland, Harry <Harry.Wentland at amd.com>; Wang, Kevin(Yang) <Kevin1.Wang at amd.com>; Wu, Hersen <hersenxs.wu at amd.com>
Subject: [PATCH] drm/amdgpu/powerplay: add renoir funcs to support dc

there are two paths for renoir dc access smu.
one dc access smu directly using bios smc
interface: set disply, dprefclk, etc.
another goes through pplib for get dpm clock
table and set watermmark.

Signed-off-by: Hersen Wu <hersenxs.wu at amd.com>
---
 .../amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c  | 16 +---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c    | 35 +++++++
 .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h    | 16 ++--
 drivers/gpu/drm/amd/powerplay/renoir_ppt.c    | 96 +++++++++++++++++++
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c     | 39 --------
 5 files changed, 141 insertions(+), 61 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
index f4cfa0caeba8..95564b8de3ce 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
@@ -589,10 +589,9 @@ void pp_rv_set_wm_ranges(struct pp_smu *pp,
         if (pp_funcs && pp_funcs->set_watermarks_for_clocks_ranges)
                 pp_funcs->set_watermarks_for_clocks_ranges(pp_handle,
                                                            &wm_with_clock_ranges);
-       else if (adev->smu.funcs &&
-                adev->smu.funcs->set_watermarks_for_clock_ranges)
+       else
                 smu_set_watermarks_for_clock_ranges(&adev->smu,
-                                                   &wm_with_clock_ranges);
+                               &wm_with_clock_ranges);
 }

 void pp_rv_set_pme_wa_enable(struct pp_smu *pp)
@@ -665,7 +664,6 @@ enum pp_smu_status pp_nv_set_wm_ranges(struct pp_smu *pp,
 {
         const struct dc_context *ctx = pp->dm;
         struct amdgpu_device *adev = ctx->driver_context;
-       struct smu_context *smu = &adev->smu;
         struct dm_pp_wm_sets_with_clock_ranges_soc15 wm_with_clock_ranges;
         struct dm_pp_clock_range_for_dmif_wm_set_soc15 *wm_dce_clocks =
                         wm_with_clock_ranges.wm_dmif_clocks_ranges;
@@ -708,15 +706,7 @@ enum pp_smu_status pp_nv_set_wm_ranges(struct pp_smu *pp,
                         ranges->writer_wm_sets[i].min_drain_clk_mhz * 1000;
         }

-       if (!smu->funcs)
-               return PP_SMU_RESULT_UNSUPPORTED;
-
-       /* 0: successful or smu.funcs->set_watermarks_for_clock_ranges = NULL;
-        * 1: fail
-        */
-       if (smu_set_watermarks_for_clock_ranges(&adev->smu,
-                       &wm_with_clock_ranges))
-               return PP_SMU_RESULT_UNSUPPORTED;
+       smu_set_watermarks_for_clock_ranges(&adev->smu, &wm_with_clock_ranges);

         return PP_SMU_RESULT_OK;
 }
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index c9266ea70331..1b71c38cdf96 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1834,6 +1834,41 @@ int smu_set_mp1_state(struct smu_context *smu,
         return ret;
 }

+int smu_write_watermarks_table(struct smu_context *smu)
+{
+       int ret = 0;
+       struct smu_table_context *smu_table = &smu->smu_table;
+       struct smu_table *table = NULL;
+
+       table = &smu_table->tables[SMU_TABLE_WATERMARKS];
+
+       if (!table->cpu_addr)
+               return -EINVAL;
+
+       ret = smu_update_table(smu, SMU_TABLE_WATERMARKS, 0, table->cpu_addr,
+                               true);
+
+       return ret;
+}
+
+int smu_set_watermarks_for_clock_ranges(struct smu_context *smu,
+               struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges)
+{
+       int ret = 0;
+       struct smu_table *watermarks = &smu->smu_table.tables[SMU_TABLE_WATERMARKS];
+       void *table = watermarks->cpu_addr;
+
+       if (!smu->disable_watermark &&
+                       smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) &&
+                       smu_feature_is_enabled(smu, SMU_FEATURE_DPM_SOCCLK_BIT)) {
+               smu_set_watermarks_table(smu, table, clock_ranges);
+               smu->watermarks_bitmap |= WATERMARKS_EXIST;
+               smu->watermarks_bitmap &= ~WATERMARKS_LOADED;
+       }
+
+       return ret;
+}
+
 const struct amd_ip_funcs smu_ip_funcs = {
         .name = "smu",
         .early_init = smu_early_init,
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index ccf711c327c8..1469146da1aa 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -468,6 +468,7 @@ struct pptable_funcs {
         int (*get_power_limit)(struct smu_context *smu, uint32_t *limit, bool asic_default);
         int (*get_dpm_clk_limited)(struct smu_context *smu, enum smu_clk_type clk_type,
                                    uint32_t dpm_level, uint32_t *freq);
+       int (*get_dpm_clock_table)(struct smu_context *smu, struct dpm_clocks *clock_table);
 };

 struct smu_funcs
@@ -493,7 +494,6 @@ struct smu_funcs
         int (*set_min_dcef_deep_sleep)(struct smu_context *smu);
         int (*set_tool_table_location)(struct smu_context *smu);
         int (*notify_memory_pool_location)(struct smu_context *smu);
-       int (*write_watermarks_table)(struct smu_context *smu);
         int (*set_last_dcef_min_deep_sleep_clk)(struct smu_context *smu);
         int (*system_features_control)(struct smu_context *smu, bool en);
         int (*send_smc_msg)(struct smu_context *smu, uint16_t msg);
@@ -531,8 +531,6 @@ struct smu_funcs
         int (*get_current_shallow_sleep_clocks)(struct smu_context *smu,
                                                 struct smu_clock_info *clocks);
         int (*notify_smu_enable_pwe)(struct smu_context *smu);
-       int (*set_watermarks_for_clock_ranges)(struct smu_context *smu,
-                                              struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges);
         int (*conv_power_profile_to_pplib_workload)(int power_profile);
         uint32_t (*get_fan_control_mode)(struct smu_context *smu);
         int (*set_fan_control_mode)(struct smu_context *smu, uint32_t mode);
@@ -596,9 +594,6 @@ struct smu_funcs
         ((smu)->funcs->notify_memory_pool_location ? (smu)->funcs->notify_memory_pool_location((smu)) : 0)
 #define smu_gfx_off_control(smu, enable) \
         ((smu)->funcs->gfx_off_control ? (smu)->funcs->gfx_off_control((smu), (enable)) : 0)
-
-#define smu_write_watermarks_table(smu) \
-       ((smu)->funcs->write_watermarks_table ? (smu)->funcs->write_watermarks_table((smu)) : 0)
 #define smu_set_last_dcef_min_deep_sleep_clk(smu) \
         ((smu)->funcs->set_last_dcef_min_deep_sleep_clk ? (smu)->funcs->set_last_dcef_min_deep_sleep_clk((smu)) : 0)
 #define smu_system_features_control(smu, en) \
@@ -738,8 +733,6 @@ struct smu_funcs
         ((smu)->funcs->get_current_shallow_sleep_clocks ? (smu)->funcs->get_current_shallow_sleep_clocks((smu), (clocks)) : 0)
 #define smu_notify_smu_enable_pwe(smu) \
         ((smu)->funcs->notify_smu_enable_pwe ? (smu)->funcs->notify_smu_enable_pwe((smu)) : 0)
-#define smu_set_watermarks_for_clock_ranges(smu, clock_ranges) \
-       ((smu)->funcs->set_watermarks_for_clock_ranges ? (smu)->funcs->set_watermarks_for_clock_ranges((smu), (clock_ranges)) : 0)
 #define smu_dpm_set_uvd_enable(smu, enable) \
         ((smu)->ppt_funcs->dpm_set_uvd_enable ? (smu)->ppt_funcs->dpm_set_uvd_enable((smu), (enable)) : 0)
 #define smu_dpm_set_vce_enable(smu, enable) \
@@ -778,9 +771,10 @@ struct smu_funcs
         ((smu)->ppt_funcs->dump_pptable ? (smu)->ppt_funcs->dump_pptable((smu)) : 0)
 #define smu_get_dpm_clk_limited(smu, clk_type, dpm_level, freq) \
                 ((smu)->ppt_funcs->get_dpm_clk_limited ? (smu)->ppt_funcs->get_dpm_clk_limited((smu), (clk_type), (dpm_level), (freq)) : -EINVAL)
-
 #define smu_set_soft_freq_limited_range(smu, clk_type, min, max) \
                 ((smu)->funcs->set_soft_freq_limited_range ? (smu)->funcs->set_soft_freq_limited_range((smu), (clk_type), (min), (max)) : -EINVAL)
+#define smu_get_dpm_clock_table(smu, clock_table) \
+               ((smu)->ppt_funcs->get_dpm_clock_table ? (smu)->ppt_funcs->get_dpm_clock_table((smu), (clock_table)) : -EINVAL)

 extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
                                    uint16_t *size, uint8_t *frev, uint8_t *crev,
@@ -814,6 +808,10 @@ int smu_sys_get_pp_table(struct smu_context *smu, void **table);
 int smu_sys_set_pp_table(struct smu_context *smu,  void *buf, size_t size);
 int smu_get_power_num_states(struct smu_context *smu, struct pp_states_info *state_info);
 enum amd_pm_state_type smu_get_current_power_state(struct smu_context *smu);
+int smu_write_watermarks_table(struct smu_context *smu);
+int smu_set_watermarks_for_clock_ranges(
+               struct smu_context *smu,
+               struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges);

 /* smu to display interface */
 extern int smu_display_configuration_change(struct smu_context *smu, const
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index 6aedffd739db..fa314c275a82 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -416,6 +416,40 @@ static int renoir_get_profiling_clk_mask(struct smu_context *smu,
         return 0;
 }

+/**
+ * This interface get dpm clock table for dc
+ */
+static int renoir_get_dpm_clock_table(struct smu_context *smu, struct dpm_clocks *clock_table)
+{
+       DpmClocks_t *table = smu->smu_table.clocks_table;
+       int i;
+
+       if (!clock_table || !table)
+               return -EINVAL;
+
+       for (i = 0; i < PP_SMU_NUM_DCFCLK_DPM_LEVELS; i++) {
+               clock_table->DcfClocks[i].Freq = table->DcfClocks[i].Freq;
+               clock_table->DcfClocks[i].Vol = table->DcfClocks[i].Vol;
+       }
+
+       for (i = 0; i < PP_SMU_NUM_SOCCLK_DPM_LEVELS; i++) {
+               clock_table->SocClocks[i].Freq = table->SocClocks[i].Freq;
+               clock_table->SocClocks[i].Vol = table->SocClocks[i].Vol;
+       }
+
+       for (i = 0; i < PP_SMU_NUM_FCLK_DPM_LEVELS; i++) {
+               clock_table->FClocks[i].Freq = table->FClocks[i].Freq;
+               clock_table->FClocks[i].Vol = table->FClocks[i].Vol;
+       }
+
+       for (i = 0; i<  PP_SMU_NUM_MEMCLK_DPM_LEVELS; i++) {
+               clock_table->MemClocks[i].Freq = table->MemClocks[i].Freq;
+               clock_table->MemClocks[i].Vol = table->MemClocks[i].Vol;
+       }
+
+       return 0;
+}
+
 static int renoir_force_clk_levels(struct smu_context *smu,
                                    enum smu_clk_type clk_type, uint32_t mask)
 {
@@ -546,6 +580,66 @@ static int renoir_set_performance_level(struct smu_context *smu, enum amd_dpm_fo
         return ret;
 }

+/* save watermark settings into pplib smu structure,
+ * also pass data to smu controller
+ */
+static int renoir_set_watermarks_table(
+               struct smu_context *smu,
+               void *watermarks,
+               struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges)
+{
+       int i;
+       int ret = 0;
+       Watermarks_t *table = watermarks;
+
+       if (!table || !clock_ranges)
+               return -EINVAL;
+
+       if (clock_ranges->num_wm_dmif_sets > 4 ||
+                       clock_ranges->num_wm_mcif_sets > 4)
+               return -EINVAL;
+
+       /* save into smu->smu_table.tables[SMU_TABLE_WATERMARKS]->cpu_addr*/
+       for (i = 0; i < clock_ranges->num_wm_dmif_sets; i++) {
+               table->WatermarkRow[WM_DCFCLK][i].MinClock =
+                       cpu_to_le16((uint16_t)
+                       (clock_ranges->wm_dmif_clocks_ranges[i].wm_min_dcfclk_clk_in_khz));
+               table->WatermarkRow[WM_DCFCLK][i].MaxClock =
+                       cpu_to_le16((uint16_t)
+                       (clock_ranges->wm_dmif_clocks_ranges[i].wm_max_dcfclk_clk_in_khz));
+               table->WatermarkRow[WM_DCFCLK][i].MinMclk =
+                       cpu_to_le16((uint16_t)
+                       (clock_ranges->wm_dmif_clocks_ranges[i].wm_min_mem_clk_in_khz));
+               table->WatermarkRow[WM_DCFCLK][i].MaxMclk =
+                       cpu_to_le16((uint16_t)
+                       (clock_ranges->wm_dmif_clocks_ranges[i].wm_max_mem_clk_in_khz));
+               table->WatermarkRow[WM_DCFCLK][i].WmSetting = (uint8_t)
+                               clock_ranges->wm_dmif_clocks_ranges[i].wm_set_id;
+       }
+
+       for (i = 0; i < clock_ranges->num_wm_mcif_sets; i++) {
+               table->WatermarkRow[WM_SOCCLK][i].MinClock =
+                       cpu_to_le16((uint16_t)
+                       (clock_ranges->wm_mcif_clocks_ranges[i].wm_min_socclk_clk_in_khz));
+               table->WatermarkRow[WM_SOCCLK][i].MaxClock =
+                       cpu_to_le16((uint16_t)
+                       (clock_ranges->wm_mcif_clocks_ranges[i].wm_max_socclk_clk_in_khz));
+               table->WatermarkRow[WM_SOCCLK][i].MinMclk =
+                       cpu_to_le16((uint16_t)
+                       (clock_ranges->wm_mcif_clocks_ranges[i].wm_min_mem_clk_in_khz));
+               table->WatermarkRow[WM_SOCCLK][i].MaxMclk =
+                       cpu_to_le16((uint16_t)
+                       (clock_ranges->wm_mcif_clocks_ranges[i].wm_max_mem_clk_in_khz));
+               table->WatermarkRow[WM_SOCCLK][i].WmSetting = (uint8_t)
+                               clock_ranges->wm_mcif_clocks_ranges[i].wm_set_id;
+       }
+
+       /* pass data to smu controller */
+       ret = smu_write_watermarks_table(smu);
+
+       return ret;
+}
+
 static const struct pptable_funcs renoir_ppt_funcs = {
         .get_smu_msg_index = renoir_get_smu_msg_index,
         .get_smu_table_index = renoir_get_smu_table_index,
@@ -562,6 +656,8 @@ static const struct pptable_funcs renoir_ppt_funcs = {
         .force_clk_levels = renoir_force_clk_levels,
         .set_power_profile_mode = renoir_set_power_profile_mode,
         .set_performance_level = renoir_set_performance_level,
+       .get_dpm_clock_table = renoir_get_dpm_clock_table,
+       .set_watermarks_table = renoir_set_watermarks_table,
 };

 void renoir_set_ppt_funcs(struct smu_context *smu)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index c9e90d59a6b8..eff7faa7944e 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -770,23 +770,6 @@ static int smu_v11_0_write_pptable(struct smu_context *smu)
         return ret;
 }

-static int smu_v11_0_write_watermarks_table(struct smu_context *smu)
-{
-       int ret = 0;
-       struct smu_table_context *smu_table = &smu->smu_table;
-       struct smu_table *table = NULL;
-
-       table = &smu_table->tables[SMU_TABLE_WATERMARKS];
-
-       if (!table->cpu_addr)
-               return -EINVAL;
-
-       ret = smu_update_table(smu, SMU_TABLE_WATERMARKS, 0, table->cpu_addr,
-                               true);
-
-       return ret;
-}
-
 static int smu_v11_0_set_deep_sleep_dcefclk(struct smu_context *smu, uint32_t clk)
 {
         int ret;
@@ -1336,26 +1319,6 @@ smu_v11_0_display_clock_voltage_request(struct smu_context *smu,
         return ret;
 }

-static int
-smu_v11_0_set_watermarks_for_clock_ranges(struct smu_context *smu, struct
-                                         dm_pp_wm_sets_with_clock_ranges_soc15
-                                         *clock_ranges)
-{
-       int ret = 0;
-       struct smu_table *watermarks = &smu->smu_table.tables[SMU_TABLE_WATERMARKS];
-       void *table = watermarks->cpu_addr;
-
-       if (!smu->disable_watermark &&
-           smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) &&
-           smu_feature_is_enabled(smu, SMU_FEATURE_DPM_SOCCLK_BIT)) {
-               smu_set_watermarks_table(smu, table, clock_ranges);
-               smu->watermarks_bitmap |= WATERMARKS_EXIST;
-               smu->watermarks_bitmap &= ~WATERMARKS_LOADED;
-       }
-
-       return ret;
-}
-
 static int smu_v11_0_gfx_off_control(struct smu_context *smu, bool enable)
 {
         int ret = 0;
@@ -1812,7 +1775,6 @@ static const struct smu_funcs smu_v11_0_funcs = {
         .parse_pptable = smu_v11_0_parse_pptable,
         .populate_smc_tables = smu_v11_0_populate_smc_pptable,
         .write_pptable = smu_v11_0_write_pptable,
-       .write_watermarks_table = smu_v11_0_write_watermarks_table,
         .set_min_dcef_deep_sleep = smu_v11_0_set_min_dcef_deep_sleep,
         .set_tool_table_location = smu_v11_0_set_tool_table_location,
         .init_display_count = smu_v11_0_init_display_count,
@@ -1828,7 +1790,6 @@ static const struct smu_funcs smu_v11_0_funcs = {
         .read_sensor = smu_v11_0_read_sensor,
         .set_deep_sleep_dcefclk = smu_v11_0_set_deep_sleep_dcefclk,
         .display_clock_voltage_request = smu_v11_0_display_clock_voltage_request,
-       .set_watermarks_for_clock_ranges = smu_v11_0_set_watermarks_for_clock_ranges,
         .get_fan_control_mode = smu_v11_0_get_fan_control_mode,
         .set_fan_control_mode = smu_v11_0_set_fan_control_mode,
         .set_fan_speed_percent = smu_v11_0_set_fan_speed_percent,
--
2.17.1

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