From b06b48d7ddae440f3393e5c1ddda4d2537b3a7cc Mon Sep 17 00:00:00 2001 From: Darren Powell Date: Tue, 25 Jan 2022 18:34:52 -0500 Subject: [PATCH] amdgpu/pm: Implement emit_clk_levels for navi10 (v4) Modifications to satisfy checkpatch --strict (v3) Rewrote patchset to order patches as (API, hw impl, usecase) - implement emit_clk_levels for navi10, based on print_clk_levels, but using sysfs_emit without smu_cmn_get_sysfs() workaround Signed-off-by: Darren Powell Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 210 ++++++++++++++++++++++++ 1 file changed, 210 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index f55ead5..f2a00e6 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -1236,6 +1236,215 @@ static void navi10_od_setting_get_range(struct smu_11_0_overdrive_table *od_tabl *max = od_table->max[setting]; } +static int navi10_emit_clk_levels(struct smu_context *smu, + enum smu_clk_type clk_type, + char *buf, + int *offset) +{ + uint16_t *curve_settings; + int ret = 0; + uint32_t cur_value = 0, value = 0; + uint32_t freq_values[3] = {0}; + uint32_t i, levels, mark_index = 0, count = 0; + struct smu_table_context *table_context = &smu->smu_table; + uint32_t gen_speed, lane_width; + struct smu_dpm_context *smu_dpm = &smu->smu_dpm; + struct smu_11_0_dpm_context *dpm_context = smu_dpm->dpm_context; + PPTable_t *pptable = (PPTable_t *)table_context->driver_pptable; + OverDriveTable_t *od_table = + (OverDriveTable_t *)table_context->overdrive_table; + struct smu_11_0_overdrive_table *od_settings = smu->od_settings; + uint32_t min_value, max_value; + + switch (clk_type) { + case SMU_GFXCLK: + case SMU_SCLK: + case SMU_SOCCLK: + case SMU_MCLK: + case SMU_UCLK: + case SMU_FCLK: + case SMU_VCLK: + case SMU_DCLK: + case SMU_DCEFCLK: + ret = navi10_get_current_clk_freq_by_table(smu, clk_type, &cur_value); + if (ret) + return ret; + + ret = smu_v11_0_get_dpm_level_count(smu, clk_type, &count); + if (ret) + return ret; + + if (!navi10_is_support_fine_grained_dpm(smu, clk_type)) { + for (i = 0; i < count; i++) { + ret = smu_v11_0_get_dpm_freq_by_index(smu, + clk_type, i, &value); + if (ret) + return ret; + + *offset += sysfs_emit_at(buf, *offset, + "%d: %uMhz %s\n", + i, value, + cur_value == value ? "*" : ""); + } + } else { + ret = smu_v11_0_get_dpm_freq_by_index(smu, + clk_type, 0, &freq_values[0]); + if (ret) + return ret; + ret = smu_v11_0_get_dpm_freq_by_index(smu, + clk_type, + count - 1, + &freq_values[2]); + if (ret) + return ret; + + freq_values[1] = cur_value; + mark_index = cur_value == freq_values[0] ? 0 : + cur_value == freq_values[2] ? 2 : 1; + + levels = 3; + if (mark_index != 1) { + levels = 2; + freq_values[1] = freq_values[2]; + } + + for (i = 0; i < levels; i++) { + *offset += sysfs_emit_at(buf, *offset, + "%d: %uMhz %s\n", + i, freq_values[i], + i == mark_index ? "*" : ""); + } + } + break; + case SMU_PCIE: + gen_speed = smu_v11_0_get_current_pcie_link_speed_level(smu); + lane_width = smu_v11_0_get_current_pcie_link_width_level(smu); + for (i = 0; i < NUM_LINK_LEVELS; i++) { + *offset += sysfs_emit_at(buf, *offset, "%d: %s %s %dMhz %s\n", i, + (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 0) ? "2.5GT/s," : + (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 1) ? "5.0GT/s," : + (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 2) ? "8.0GT/s," : + (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 3) ? "16.0GT/s," : "", + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 1) ? "x1" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 2) ? "x2" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 3) ? "x4" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 4) ? "x8" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 5) ? "x12" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 6) ? "x16" : "", + pptable->LclkFreq[i], + (gen_speed == dpm_context->dpm_tables.pcie_table.pcie_gen[i]) && + (lane_width == dpm_context->dpm_tables.pcie_table.pcie_lane[i]) ? + "*" : ""); + } + break; + case SMU_OD_SCLK: + if (!smu->od_enabled || !od_table || !od_settings) + return -EOPNOTSUPP; + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS)) + break; + *offset += sysfs_emit_at(buf, *offset, "OD_SCLK:\n0: %uMhz\n1: %uMhz\n", + od_table->GfxclkFmin, od_table->GfxclkFmax); + break; + case SMU_OD_MCLK: + if (!smu->od_enabled || !od_table || !od_settings) + return -EOPNOTSUPP; + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX)) + break; + *offset += sysfs_emit_at(buf, *offset, "OD_MCLK:\n1: %uMHz\n", od_table->UclkFmax); + break; + case SMU_OD_VDDC_CURVE: + if (!smu->od_enabled || !od_table || !od_settings) + return -EOPNOTSUPP; + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE)) + break; + *offset += sysfs_emit_at(buf, *offset, "OD_VDDC_CURVE:\n"); + for (i = 0; i < 3; i++) { + switch (i) { + case 0: + curve_settings = &od_table->GfxclkFreq1; + break; + case 1: + curve_settings = &od_table->GfxclkFreq2; + break; + case 2: + curve_settings = &od_table->GfxclkFreq3; + break; + default: + break; + } + *offset += sysfs_emit_at(buf, *offset, "%d: %uMHz %umV\n", + i, curve_settings[0], + curve_settings[1] / NAVI10_VOLTAGE_SCALE); + } + break; + case SMU_OD_RANGE: + if (!smu->od_enabled || !od_table || !od_settings) + return -EOPNOTSUPP; + *offset += sysfs_emit_at(buf, *offset, "%s:\n", "OD_RANGE"); + + if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS)) { + navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_GFXCLKFMIN, + &min_value, NULL); + navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_GFXCLKFMAX, + NULL, &max_value); + *offset += sysfs_emit_at(buf, *offset, "SCLK: %7uMhz %10uMhz\n", + min_value, max_value); + } + + if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX)) { + navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_UCLKFMAX, + &min_value, &max_value); + *offset += sysfs_emit_at(buf, *offset, "MCLK: %7uMhz %10uMhz\n", + min_value, max_value); + } + + if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE)) { + navi10_od_setting_get_range(od_settings, + SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P1, + &min_value, &max_value); + *offset += sysfs_emit_at(buf, *offset, + "VDDC_CURVE_SCLK[0]: %7uMhz %10uMhz\n", + min_value, max_value); + navi10_od_setting_get_range(od_settings, + SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P1, + &min_value, &max_value); + *offset += sysfs_emit_at(buf, *offset, + "VDDC_CURVE_VOLT[0]: %7dmV %11dmV\n", + min_value, max_value); + navi10_od_setting_get_range(od_settings, + SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P2, + &min_value, &max_value); + *offset += sysfs_emit_at(buf, *offset, + "VDDC_CURVE_SCLK[1]: %7uMhz %10uMhz\n", + min_value, max_value); + navi10_od_setting_get_range(od_settings, + SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P2, + &min_value, &max_value); + *offset += sysfs_emit_at(buf, *offset, + "VDDC_CURVE_VOLT[1]: %7dmV %11dmV\n", + min_value, max_value); + navi10_od_setting_get_range(od_settings, + SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P3, + &min_value, &max_value); + *offset += sysfs_emit_at(buf, *offset, + "VDDC_CURVE_SCLK[2]: %7uMhz %10uMhz\n", + min_value, max_value); + navi10_od_setting_get_range(od_settings, + SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P3, + &min_value, &max_value); + *offset += sysfs_emit_at(buf, *offset, + "VDDC_CURVE_VOLT[2]: %7dmV %11dmV\n", + min_value, max_value); + } + + break; + default: + break; + } + + return 0; +} + static int navi10_print_clk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf) { @@ -3220,6 +3429,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { .i2c_init = navi10_i2c_control_init, .i2c_fini = navi10_i2c_control_fini, .print_clk_levels = navi10_print_clk_levels, + .emit_clk_levels = navi10_emit_clk_levels, .force_clk_levels = navi10_force_clk_levels, .populate_umd_state_clk = navi10_populate_umd_state_clk, .get_clock_by_type_with_latency = navi10_get_clock_by_type_with_latency, -- 2.7.4