From 828db598bfcdad388d85c1ff31e530c190d63d16 Mon Sep 17 00:00:00 2001 From: Darren Powell Date: Wed, 30 Jun 2021 18:31:51 -0400 Subject: [PATCH] amdgpu/pm: Replace navi10 usage of sprintf with sysfs_emit initial modification of files smu_cmn.c navi10_ppt.c === Test === AMDGPU_PCI_ADDR=`lspci -nn | grep "VGA\|Display" | cut -d " " -f 1` AMDGPU_HWMON=`ls -la /sys/class/hwmon | grep $AMDGPU_PCI_ADDR | awk '{print $9}'` HWMON_DIR=/sys/class/hwmon/${AMDGPU_HWMON} LOGFILE=pp_printf.test.log lspci -nn | grep "VGA\|Display" > $LOGFILE FILES="pp_dpm_sclk pp_sclk_od pp_mclk_od pp_dpm_pcie pp_od_clk_voltage pp_power_profile_mode " for f in $FILES do echo === $f === >> $LOGFILE cat $HWMON_DIR/device/$f >> $LOGFILE done cat $LOGFILE Signed-off-by: Darren Powell Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 61 +++++++++++++------------ drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 6 +-- 2 files changed, 35 insertions(+), 32 deletions(-) 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 d7722c2..2e5d366 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -1303,7 +1303,7 @@ static int navi10_print_clk_levels(struct smu_context *smu, if (ret) return size; - size += sprintf(buf + size, "%d: %uMhz %s\n", i, value, + size += sysfs_emit_at(buf, size, "%d: %uMhz %s\n", i, value, cur_value == value ? "*" : ""); } } else { @@ -1321,7 +1321,7 @@ static int navi10_print_clk_levels(struct smu_context *smu, freq_values[1] = (freq_values[0] + freq_values[2]) / 2; for (i = 0; i < 3; i++) { - size += sprintf(buf + size, "%d: %uMhz %s\n", i, freq_values[i], + size += sysfs_emit_at(buf, size, "%d: %uMhz %s\n", i, freq_values[i], i == mark_index ? "*" : ""); } @@ -1331,7 +1331,7 @@ static int navi10_print_clk_levels(struct smu_context *smu, 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++) - size += sprintf(buf + size, "%d: %s %s %dMhz %s\n", i, + size += sysfs_emit_at(buf, size, "%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," : @@ -1352,23 +1352,24 @@ static int navi10_print_clk_levels(struct smu_context *smu, break; if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS)) break; - size += sprintf(buf + size, "OD_SCLK:\n"); - size += sprintf(buf + size, "0: %uMhz\n1: %uMhz\n", od_table->GfxclkFmin, od_table->GfxclkFmax); + size += sysfs_emit_at(buf, size, "OD_SCLK:\n"); + size += sysfs_emit_at(buf, size, "0: %uMhz\n1: %uMhz\n", + od_table->GfxclkFmin, od_table->GfxclkFmax); break; case SMU_OD_MCLK: if (!smu->od_enabled || !od_table || !od_settings) break; if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX)) break; - size += sprintf(buf + size, "OD_MCLK:\n"); - size += sprintf(buf + size, "1: %uMHz\n", od_table->UclkFmax); + size += sysfs_emit_at(buf, size, "OD_MCLK:\n"); + size += sysfs_emit_at(buf, size, "1: %uMHz\n", od_table->UclkFmax); break; case SMU_OD_VDDC_CURVE: if (!smu->od_enabled || !od_table || !od_settings) break; if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE)) break; - size += sprintf(buf + size, "OD_VDDC_CURVE:\n"); + size += sysfs_emit_at(buf, size, "OD_VDDC_CURVE:\n"); for (i = 0; i < 3; i++) { switch (i) { case 0: @@ -1383,55 +1384,57 @@ static int navi10_print_clk_levels(struct smu_context *smu, default: break; } - size += sprintf(buf + size, "%d: %uMHz %umV\n", i, curve_settings[0], curve_settings[1] / NAVI10_VOLTAGE_SCALE); + size += sysfs_emit_at(buf, size, "%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) break; - size = sprintf(buf, "%s:\n", "OD_RANGE"); + size = sysfs_emit(buf, "%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); - size += sprintf(buf + size, "SCLK: %7uMhz %10uMhz\n", + size += sysfs_emit_at(buf, size, "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); - size += sprintf(buf + size, "MCLK: %7uMhz %10uMhz\n", + size += sysfs_emit_at(buf, size, "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); - size += sprintf(buf + size, "VDDC_CURVE_SCLK[0]: %7uMhz %10uMhz\n", - min_value, max_value); + size += sysfs_emit_at(buf, size, "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); - size += sprintf(buf + size, "VDDC_CURVE_VOLT[0]: %7dmV %11dmV\n", - min_value, max_value); + size += sysfs_emit_at(buf, size, "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); - size += sprintf(buf + size, "VDDC_CURVE_SCLK[1]: %7uMhz %10uMhz\n", - min_value, max_value); + size += sysfs_emit_at(buf, size, "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); - size += sprintf(buf + size, "VDDC_CURVE_VOLT[1]: %7dmV %11dmV\n", - min_value, max_value); + size += sysfs_emit_at(buf, size, "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); - size += sprintf(buf + size, "VDDC_CURVE_SCLK[2]: %7uMhz %10uMhz\n", - min_value, max_value); + size += sysfs_emit_at(buf, size, "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); - size += sprintf(buf + size, "VDDC_CURVE_VOLT[2]: %7dmV %11dmV\n", - min_value, max_value); + size += sysfs_emit_at(buf, size, "VDDC_CURVE_VOLT[2]: %7dmV %11dmV\n", + min_value, max_value); } break; @@ -1730,7 +1733,7 @@ static int navi10_get_power_profile_mode(struct smu_context *smu, char *buf) if (!buf) return -EINVAL; - size += sprintf(buf + size, "%16s %s %s %s %s %s %s %s %s %s %s\n", + size += sysfs_emit_at(buf, size, "%16s %s %s %s %s %s %s %s %s %s %s\n", title[0], title[1], title[2], title[3], title[4], title[5], title[6], title[7], title[8], title[9], title[10]); @@ -1750,10 +1753,10 @@ static int navi10_get_power_profile_mode(struct smu_context *smu, char *buf) return result; } - size += sprintf(buf + size, "%2d %14s%s:\n", + size += sysfs_emit_at(buf, size, "%2d %14s%s:\n", i, profile_name[i], (i == smu->power_profile_mode) ? "*" : " "); - size += sprintf(buf + size, "%19s %d(%13s) %7d %7d %7d %7d %7d %7d %7d %7d %7d\n", + size += sysfs_emit_at(buf, size, "%19s %d(%13s) %7d %7d %7d %7d %7d %7d %7d %7d %7d\n", " ", 0, "GFXCLK", @@ -1767,7 +1770,7 @@ static int navi10_get_power_profile_mode(struct smu_context *smu, char *buf) activity_monitor.Gfx_PD_Data_error_coeff, activity_monitor.Gfx_PD_Data_error_rate_coeff); - size += sprintf(buf + size, "%19s %d(%13s) %7d %7d %7d %7d %7d %7d %7d %7d %7d\n", + size += sysfs_emit_at(buf, size, "%19s %d(%13s) %7d %7d %7d %7d %7d %7d %7d %7d %7d\n", " ", 1, "SOCCLK", @@ -1781,7 +1784,7 @@ static int navi10_get_power_profile_mode(struct smu_context *smu, char *buf) activity_monitor.Soc_PD_Data_error_coeff, activity_monitor.Soc_PD_Data_error_rate_coeff); - size += sprintf(buf + size, "%19s %d(%13s) %7d %7d %7d %7d %7d %7d %7d %7d %7d\n", + size += sysfs_emit_at(buf, size, "%19s %d(%13s) %7d %7d %7d %7d %7d %7d %7d %7d %7d\n", " ", 2, "MEMLK", diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c index 415be74..66711ab 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c @@ -710,7 +710,7 @@ size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu, return 0; } - size = sprintf(buf + size, "features high: 0x%08x low: 0x%08x\n", + size = sysfs_emit_at(buf, size, "features high: 0x%08x low: 0x%08x\n", feature_mask[1], feature_mask[0]); memset(sort_feature, -1, sizeof(sort_feature)); @@ -725,14 +725,14 @@ size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu, sort_feature[feature_index] = i; } - size += sprintf(buf + size, "%-2s. %-20s %-3s : %-s\n", + size += sysfs_emit_at(buf, size, "%-2s. %-20s %-3s : %-s\n", "No", "Feature", "Bit", "State"); for (i = 0; i < SMU_FEATURE_COUNT; i++) { if (sort_feature[i] < 0) continue; - size += sprintf(buf + size, "%02d. %-20s (%2d) : %s\n", + size += sysfs_emit_at(buf, size, "%02d. %-20s (%2d) : %s\n", count++, smu_get_feature_name(smu, sort_feature[i]), i, -- 2.7.4