summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/pm
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2021-09-17 05:58:55 +1000
committerDave Airlie <airlied@redhat.com>2021-09-17 05:58:55 +1000
commit109f7ea9aedce437b4b7737ab60bfea65d9dbdd3 (patch)
tree97e787fe9fff442d8a93f612975ee88bfc2af295 /drivers/gpu/drm/amd/pm
parent11654b3763cc0625283753f41c3404ec666a9854 (diff)
parent92554cbe0a36494f6dd760bc25ce5e5cdc60fc47 (diff)
Merge tag 'amd-drm-fixes-5.15-2021-09-16' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixesdrm-fixes-2021-09-17
amd-drm-fixes-5.15-2021-09-16: amdgpu: - UBSAN fix - Powerplay table update fix - Fix use after free in BO moves - Debugfs init fixes - vblank workqueue fixes for headless devices - FPU fixes - sysfs_emit fixes - SMU updates for cyan skillfish - Backlight fixes when DMCU is not initialized - DP MST fixes - HDCP compliance fix - Link training fix - Runtime pm fix - Panel orientation fixes - Display GPUVM fix for yellow carp - Add missing license amdkfd: - Drop PCI atomics requirement if proper firmware is available - Suspend/resume fixes for IOMMUv2 cases radeon: - AGP fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210916140611.59816-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/pm')
-rw-r--r--drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h86
-rw-r--r--drivers/gpu/drm/amd/pm/inc/smu_types.h5
-rw-r--r--drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h9
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c2
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c8
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c481
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c28
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c8
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c16
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c2
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c12
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c6
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c21
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h15
14 files changed, 625 insertions, 74 deletions
diff --git a/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h b/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h
index 8a08ecc34c69..4884a4e1f261 100644
--- a/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h
+++ b/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h
@@ -33,63 +33,47 @@
#define TABLE_PMSTATUSLOG 3 // Called by Tools for Agm logging
#define TABLE_DPMCLOCKS 4 // Called by Driver; defined here, but not used, for backward compatible
#define TABLE_MOMENTARY_PM 5 // Called by Tools; defined here, but not used, for backward compatible
-#define TABLE_COUNT 6
+#define TABLE_SMU_METRICS 6 // Called by Driver
+#define TABLE_COUNT 7
-#define NUM_DSPCLK_LEVELS 8
-#define NUM_SOCCLK_DPM_LEVELS 8
-#define NUM_DCEFCLK_DPM_LEVELS 4
-#define NUM_FCLK_DPM_LEVELS 4
-#define NUM_MEMCLK_DPM_LEVELS 4
+typedef struct SmuMetricsTable_t {
+ //CPU status
+ uint16_t CoreFrequency[6]; //[MHz]
+ uint32_t CorePower[6]; //[mW]
+ uint16_t CoreTemperature[6]; //[centi-Celsius]
+ uint16_t L3Frequency[2]; //[MHz]
+ uint16_t L3Temperature[2]; //[centi-Celsius]
+ uint16_t C0Residency[6]; //Percentage
-#define NUMBER_OF_PSTATES 8
-#define NUMBER_OF_CORES 8
+ // GFX status
+ uint16_t GfxclkFrequency; //[MHz]
+ uint16_t GfxTemperature; //[centi-Celsius]
-typedef enum {
- S3_TYPE_ENTRY,
- S5_TYPE_ENTRY,
-} Sleep_Type_e;
+ // SOC IP info
+ uint16_t SocclkFrequency; //[MHz]
+ uint16_t VclkFrequency; //[MHz]
+ uint16_t DclkFrequency; //[MHz]
+ uint16_t MemclkFrequency; //[MHz]
-typedef enum {
- GFX_OFF = 0,
- GFX_ON = 1,
-} GFX_Mode_e;
+ // power, VF info for CPU/GFX telemetry rails, and then socket power total
+ uint32_t Voltage[2]; //[mV] indices: VDDCR_VDD, VDDCR_GFX
+ uint32_t Current[2]; //[mA] indices: VDDCR_VDD, VDDCR_GFX
+ uint32_t Power[2]; //[mW] indices: VDDCR_VDD, VDDCR_GFX
+ uint32_t CurrentSocketPower; //[mW]
-typedef enum {
- CPU_P0 = 0,
- CPU_P1,
- CPU_P2,
- CPU_P3,
- CPU_P4,
- CPU_P5,
- CPU_P6,
- CPU_P7
-} CPU_PState_e;
+ uint16_t SocTemperature; //[centi-Celsius]
+ uint16_t EdgeTemperature;
+ uint16_t ThrottlerStatus;
+ uint16_t Spare;
-typedef enum {
- CPU_CORE0 = 0,
- CPU_CORE1,
- CPU_CORE2,
- CPU_CORE3,
- CPU_CORE4,
- CPU_CORE5,
- CPU_CORE6,
- CPU_CORE7
-} CORE_ID_e;
+} SmuMetricsTable_t;
-typedef enum {
- DF_DPM0 = 0,
- DF_DPM1,
- DF_DPM2,
- DF_DPM3,
- DF_PState_Count
-} DF_PState_e;
-
-typedef enum {
- GFX_DPM0 = 0,
- GFX_DPM1,
- GFX_DPM2,
- GFX_DPM3,
- GFX_PState_Count
-} GFX_PState_e;
+typedef struct SmuMetrics_t {
+ SmuMetricsTable_t Current;
+ SmuMetricsTable_t Average;
+ uint32_t SampleStartTime;
+ uint32_t SampleStopTime;
+ uint32_t Accnt;
+} SmuMetrics_t;
#endif
diff --git a/drivers/gpu/drm/amd/pm/inc/smu_types.h b/drivers/gpu/drm/amd/pm/inc/smu_types.h
index 6f1b1b50d527..18b862a90fbe 100644
--- a/drivers/gpu/drm/amd/pm/inc/smu_types.h
+++ b/drivers/gpu/drm/amd/pm/inc/smu_types.h
@@ -226,7 +226,10 @@
__SMU_DUMMY_MAP(SetUclkDpmMode), \
__SMU_DUMMY_MAP(LightSBR), \
__SMU_DUMMY_MAP(GfxDriverResetRecovery), \
- __SMU_DUMMY_MAP(BoardPowerCalibration),
+ __SMU_DUMMY_MAP(BoardPowerCalibration), \
+ __SMU_DUMMY_MAP(RequestGfxclk), \
+ __SMU_DUMMY_MAP(ForceGfxVid), \
+ __SMU_DUMMY_MAP(UnforceGfxVid),
#undef __SMU_DUMMY_MAP
#define __SMU_DUMMY_MAP(type) SMU_MSG_##type
diff --git a/drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h b/drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h
index 6e6088760b18..909a86aa60f3 100644
--- a/drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h
+++ b/drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h
@@ -65,6 +65,13 @@
#define PPSMC_MSG_SetDriverTableVMID 0x34
#define PPSMC_MSG_SetSoftMinCclk 0x35
#define PPSMC_MSG_SetSoftMaxCclk 0x36
-#define PPSMC_Message_Count 0x37
+#define PPSMC_MSG_GetGfxFrequency 0x37
+#define PPSMC_MSG_GetGfxVid 0x38
+#define PPSMC_MSG_ForceGfxFreq 0x39
+#define PPSMC_MSG_UnForceGfxFreq 0x3A
+#define PPSMC_MSG_ForceGfxVid 0x3B
+#define PPSMC_MSG_UnforceGfxVid 0x3C
+#define PPSMC_MSG_GetEnabledSmuFeatures 0x3D
+#define PPSMC_Message_Count 0x3E
#endif
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 3ab1ce4d3419..04863a797115 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1404,7 +1404,7 @@ static int smu_disable_dpms(struct smu_context *smu)
*/
if (smu->uploading_custom_pp_table &&
(adev->asic_type >= CHIP_NAVI10) &&
- (adev->asic_type <= CHIP_DIMGREY_CAVEFISH))
+ (adev->asic_type <= CHIP_BEIGE_GOBY))
return smu_disable_all_features_with_exception(smu,
true,
SMU_FEATURE_COUNT);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
index e343cc218990..082f01893f3d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -771,8 +771,12 @@ static int arcturus_print_clk_levels(struct smu_context *smu,
struct smu_11_0_dpm_context *dpm_context = NULL;
uint32_t gen_speed, lane_width;
- if (amdgpu_ras_intr_triggered())
- return sysfs_emit(buf, "unavailable\n");
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
+ if (amdgpu_ras_intr_triggered()) {
+ size += sysfs_emit_at(buf, size, "unavailable\n");
+ return size;
+ }
dpm_context = smu_dpm->dpm_context;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c
index b05f9541accc..3d4c65bc29dc 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c
@@ -44,6 +44,27 @@
#undef pr_info
#undef pr_debug
+/* unit: MHz */
+#define CYAN_SKILLFISH_SCLK_MIN 1000
+#define CYAN_SKILLFISH_SCLK_MAX 2000
+#define CYAN_SKILLFISH_SCLK_DEFAULT 1800
+
+/* unit: mV */
+#define CYAN_SKILLFISH_VDDC_MIN 700
+#define CYAN_SKILLFISH_VDDC_MAX 1129
+#define CYAN_SKILLFISH_VDDC_MAGIC 5118 // 0x13fe
+
+static struct gfx_user_settings {
+ uint32_t sclk;
+ uint32_t vddc;
+} cyan_skillfish_user_settings;
+
+#define FEATURE_MASK(feature) (1ULL << feature)
+#define SMC_DPM_FEATURE ( \
+ FEATURE_MASK(FEATURE_FCLK_DPM_BIT) | \
+ FEATURE_MASK(FEATURE_SOC_DPM_BIT) | \
+ FEATURE_MASK(FEATURE_GFX_DPM_BIT))
+
static struct cmn2asic_msg_mapping cyan_skillfish_message_map[SMU_MSG_MAX_COUNT] = {
MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 0),
MSG_MAP(GetSmuVersion, PPSMC_MSG_GetSmuVersion, 0),
@@ -52,14 +73,473 @@ static struct cmn2asic_msg_mapping cyan_skillfish_message_map[SMU_MSG_MAX_COUNT]
MSG_MAP(SetDriverDramAddrLow, PPSMC_MSG_SetDriverTableDramAddrLow, 0),
MSG_MAP(TransferTableSmu2Dram, PPSMC_MSG_TransferTableSmu2Dram, 0),
MSG_MAP(TransferTableDram2Smu, PPSMC_MSG_TransferTableDram2Smu, 0),
+ MSG_MAP(GetEnabledSmuFeatures, PPSMC_MSG_GetEnabledSmuFeatures, 0),
+ MSG_MAP(RequestGfxclk, PPSMC_MSG_RequestGfxclk, 0),
+ MSG_MAP(ForceGfxVid, PPSMC_MSG_ForceGfxVid, 0),
+ MSG_MAP(UnforceGfxVid, PPSMC_MSG_UnforceGfxVid, 0),
+};
+
+static struct cmn2asic_mapping cyan_skillfish_table_map[SMU_TABLE_COUNT] = {
+ TAB_MAP_VALID(SMU_METRICS),
};
+static int cyan_skillfish_tables_init(struct smu_context *smu)
+{
+ struct smu_table_context *smu_table = &smu->smu_table;
+ struct smu_table *tables = smu_table->tables;
+
+ SMU_TABLE_INIT(tables, SMU_TABLE_SMU_METRICS,
+ sizeof(SmuMetrics_t),
+ PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM);
+
+ smu_table->metrics_table = kzalloc(sizeof(SmuMetrics_t), GFP_KERNEL);
+ if (!smu_table->metrics_table)
+ goto err0_out;
+
+ smu_table->gpu_metrics_table_size = sizeof(struct gpu_metrics_v2_2);
+ smu_table->gpu_metrics_table = kzalloc(smu_table->gpu_metrics_table_size, GFP_KERNEL);
+ if (!smu_table->gpu_metrics_table)
+ goto err1_out;
+
+ smu_table->metrics_time = 0;
+
+ return 0;
+
+err1_out:
+ smu_table->gpu_metrics_table_size = 0;
+ kfree(smu_table->metrics_table);
+err0_out:
+ return -ENOMEM;
+}
+
+static int cyan_skillfish_init_smc_tables(struct smu_context *smu)
+{
+ int ret = 0;
+
+ ret = cyan_skillfish_tables_init(smu);
+ if (ret)
+ return ret;
+
+ return smu_v11_0_init_smc_tables(smu);
+}
+
+static int cyan_skillfish_finit_smc_tables(struct smu_context *smu)
+{
+ struct smu_table_context *smu_table = &smu->smu_table;
+
+ kfree(smu_table->metrics_table);
+ smu_table->metrics_table = NULL;
+
+ kfree(smu_table->gpu_metrics_table);
+ smu_table->gpu_metrics_table = NULL;
+ smu_table->gpu_metrics_table_size = 0;
+
+ smu_table->metrics_time = 0;
+
+ return 0;
+}
+
+static int
+cyan_skillfish_get_smu_metrics_data(struct smu_context *smu,
+ MetricsMember_t member,
+ uint32_t *value)
+{
+ struct smu_table_context *smu_table = &smu->smu_table;
+ SmuMetrics_t *metrics = (SmuMetrics_t *)smu_table->metrics_table;
+ int ret = 0;
+
+ mutex_lock(&smu->metrics_lock);
+
+ ret = smu_cmn_get_metrics_table_locked(smu, NULL, false);
+ if (ret) {
+ mutex_unlock(&smu->metrics_lock);
+ return ret;
+ }
+
+ switch (member) {
+ case METRICS_CURR_GFXCLK:
+ *value = metrics->Current.GfxclkFrequency;
+ break;
+ case METRICS_CURR_SOCCLK:
+ *value = metrics->Current.SocclkFrequency;
+ break;
+ case METRICS_CURR_VCLK:
+ *value = metrics->Current.VclkFrequency;
+ break;
+ case METRICS_CURR_DCLK:
+ *value = metrics->Current.DclkFrequency;
+ break;
+ case METRICS_CURR_UCLK:
+ *value = metrics->Current.MemclkFrequency;
+ break;
+ case METRICS_AVERAGE_SOCKETPOWER:
+ *value = (metrics->Current.CurrentSocketPower << 8) /
+ 1000;
+ break;
+ case METRICS_TEMPERATURE_EDGE:
+ *value = metrics->Current.GfxTemperature / 100 *
+ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
+ break;
+ case METRICS_TEMPERATURE_HOTSPOT:
+ *value = metrics->Current.SocTemperature / 100 *
+ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
+ break;
+ case METRICS_VOLTAGE_VDDSOC:
+ *value = metrics->Current.Voltage[0];
+ break;
+ case METRICS_VOLTAGE_VDDGFX:
+ *value = metrics->Current.Voltage[1];
+ break;
+ case METRICS_THROTTLER_STATUS:
+ *value = metrics->Current.ThrottlerStatus;
+ break;
+ default:
+ *value = UINT_MAX;
+ break;
+ }
+
+ mutex_unlock(&smu->metrics_lock);
+
+ return ret;
+}
+
+static int cyan_skillfish_read_sensor(struct smu_context *smu,
+ enum amd_pp_sensors sensor,
+ void *data,
+ uint32_t *size)
+{
+ int ret = 0;
+
+ if (!data || !size)
+ return -EINVAL;
+
+ mutex_lock(&smu->sensor_lock);
+
+ switch (sensor) {
+ case AMDGPU_PP_SENSOR_GFX_SCLK:
+ ret = cyan_skillfish_get_smu_metrics_data(smu,
+ METRICS_CURR_GFXCLK,
+ (uint32_t *)data);
+ *(uint32_t *)data *= 100;
+ *size = 4;
+ break;
+ case AMDGPU_PP_SENSOR_GFX_MCLK:
+ ret = cyan_skillfish_get_smu_metrics_data(smu,
+ METRICS_CURR_UCLK,
+ (uint32_t *)data);
+ *(uint32_t *)data *= 100;
+ *size = 4;
+ break;
+ case AMDGPU_PP_SENSOR_GPU_POWER:
+ ret = cyan_skillfish_get_smu_metrics_data(smu,
+ METRICS_AVERAGE_SOCKETPOWER,
+ (uint32_t *)data);
+ *size = 4;
+ break;
+ case AMDGPU_PP_SENSOR_HOTSPOT_TEMP:
+ ret = cyan_skillfish_get_smu_metrics_data(smu,
+ METRICS_TEMPERATURE_HOTSPOT,
+ (uint32_t *)data);
+ *size = 4;
+ break;
+ case AMDGPU_PP_SENSOR_EDGE_TEMP:
+ ret = cyan_skillfish_get_smu_metrics_data(smu,
+ METRICS_TEMPERATURE_EDGE,
+ (uint32_t *)data);
+ *size = 4;
+ break;
+ case AMDGPU_PP_SENSOR_VDDNB:
+ ret = cyan_skillfish_get_smu_metrics_data(smu,
+ METRICS_VOLTAGE_VDDSOC,
+ (uint32_t *)data);
+ *size = 4;
+ break;
+ case AMDGPU_PP_SENSOR_VDDGFX:
+ ret = cyan_skillfish_get_smu_metrics_data(smu,
+ METRICS_VOLTAGE_VDDGFX,
+ (uint32_t *)data);
+ *size = 4;
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+
+ mutex_unlock(&smu->sensor_lock);
+
+ return ret;
+}
+
+static int cyan_skillfish_get_current_clk_freq(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ uint32_t *value)
+{
+ MetricsMember_t member_type;
+
+ switch (clk_type) {
+ case SMU_GFXCLK:
+ case SMU_SCLK:
+ member_type = METRICS_CURR_GFXCLK;
+ break;
+ case SMU_FCLK:
+ case SMU_MCLK:
+ member_type = METRICS_CURR_UCLK;
+ break;
+ case SMU_SOCCLK:
+ member_type = METRICS_CURR_SOCCLK;
+ break;
+ case SMU_VCLK:
+ member_type = METRICS_CURR_VCLK;
+ break;
+ case SMU_DCLK:
+ member_type = METRICS_CURR_DCLK;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return cyan_skillfish_get_smu_metrics_data(smu, member_type, value);
+}
+
+static int cyan_skillfish_print_clk_levels(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ char *buf)
+{
+ int ret = 0, size = 0;
+ uint32_t cur_value = 0;
+
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
+ switch (clk_type) {
+ case SMU_OD_SCLK:
+ ret = cyan_skillfish_get_smu_metrics_data(smu, METRICS_CURR_GFXCLK, &cur_value);
+ if (ret)
+ return ret;
+ size += sysfs_emit_at(buf, size,"%s:\n", "OD_SCLK");
+ size += sysfs_emit_at(buf, size, "0: %uMhz *\n", cur_value);
+ break;
+ case SMU_OD_VDDC_CURVE:
+ ret = cyan_skillfish_get_smu_metrics_data(smu, METRICS_VOLTAGE_VDDGFX, &cur_value);
+ if (ret)
+ return ret;
+ size += sysfs_emit_at(buf, size,"%s:\n", "OD_VDDC");
+ size += sysfs_emit_at(buf, size, "0: %umV *\n", cur_value);
+ break;
+ case SMU_OD_RANGE:
+ size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE");
+ size += sysfs_emit_at(buf, size, "SCLK: %7uMhz %10uMhz\n",
+ CYAN_SKILLFISH_SCLK_MIN, CYAN_SKILLFISH_SCLK_MAX);
+ size += sysfs_emit_at(buf, size, "VDDC: %7umV %10umV\n",
+ CYAN_SKILLFISH_VDDC_MIN, CYAN_SKILLFISH_VDDC_MAX);
+ break;
+ case SMU_GFXCLK:
+ case SMU_SCLK:
+ case SMU_FCLK:
+ case SMU_MCLK:
+ case SMU_SOCCLK:
+ case SMU_VCLK:
+ case SMU_DCLK:
+ ret = cyan_skillfish_get_current_clk_freq(smu, clk_type, &cur_value);
+ if (ret)
+ return ret;
+ size += sysfs_emit_at(buf, size, "0: %uMhz *\n", cur_value);
+ break;
+ default:
+ dev_warn(smu->adev->dev, "Unsupported clock type\n");
+ return ret;
+ }
+
+ return size;
+}
+
+static bool cyan_skillfish_is_dpm_running(struct smu_context *smu)
+{
+ struct amdgpu_device *adev = smu->adev;
+ int ret = 0;
+ uint32_t feature_mask[2];
+ uint64_t feature_enabled;
+
+ /* we need to re-init after suspend so return false */
+ if (adev->in_suspend)
+ return false;
+
+ ret = smu_cmn_get_enabled_32_bits_mask(smu, feature_mask, 2);
+
+ if (ret)
+ return false;
+
+ feature_enabled = (uint64_t)feature_mask[0] |
+ ((uint64_t)feature_mask[1] << 32);
+
+ return !!(feature_enabled & SMC_DPM_FEATURE);
+}
+
+static ssize_t cyan_skillfish_get_gpu_metrics(struct smu_context *smu,
+ void **table)
+{
+ struct smu_table_context *smu_table = &smu->smu_table;
+ struct gpu_metrics_v2_2 *gpu_metrics =
+ (struct gpu_metrics_v2_2 *)smu_table->gpu_metrics_table;
+ SmuMetrics_t metrics;
+ int i, ret = 0;
+
+ ret = smu_cmn_get_metrics_table(smu, &metrics, true);
+ if (ret)
+ return ret;
+
+ smu_cmn_init_soft_gpu_metrics(gpu_metrics, 2, 2);
+
+ gpu_metrics->temperature_gfx = metrics.Current.GfxTemperature;
+ gpu_metrics->temperature_soc = metrics.Current.SocTemperature;
+
+ gpu_metrics->average_socket_power = metrics.Current.CurrentSocketPower;
+ gpu_metrics->average_soc_power = metrics.Current.Power[0];
+ gpu_metrics->average_gfx_power = metrics.Current.Power[1];
+
+ gpu_metrics->average_gfxclk_frequency = metrics.Average.GfxclkFrequency;
+ gpu_metrics->average_socclk_frequency = metrics.Average.SocclkFrequency;
+ gpu_metrics->average_uclk_frequency = metrics.Average.MemclkFrequency;
+ gpu_metrics->average_fclk_frequency = metrics.Average.MemclkFrequency;
+ gpu_metrics->average_vclk_frequency = metrics.Average.VclkFrequency;
+ gpu_metrics->average_dclk_frequency = metrics.Average.DclkFrequency;
+
+ gpu_metrics->current_gfxclk = metrics.Current.GfxclkFrequency;
+ gpu_metrics->current_socclk = metrics.Current.SocclkFrequency;
+ gpu_metrics->current_uclk = metrics.Current.MemclkFrequency;
+ gpu_metrics->current_fclk = metrics.Current.MemclkFrequency;
+ gpu_metrics->current_vclk = metrics.Current.VclkFrequency;
+ gpu_metrics->current_dclk = metrics.Current.DclkFrequency;
+
+ for (i = 0; i < 6; i++) {
+ gpu_metrics->temperature_core[i] = metrics.Current.CoreTemperature[i];
+ gpu_metrics->average_core_power[i] = metrics.Average.CorePower[i];
+ gpu_metrics->current_coreclk[i] = metrics.Current.CoreFrequency[i];
+ }
+
+ for (i = 0; i < 2; i++) {
+ gpu_metrics->temperature_l3[i] = metrics.Current.L3Temperature[i];
+ gpu_metrics->current_l3clk[i] = metrics.Current.L3Frequency[i];
+ }
+
+ gpu_metrics->throttle_status = metrics.Current.ThrottlerStatus;
+ gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
+
+ *table = (void *)gpu_metrics;
+
+ return sizeof(struct gpu_metrics_v2_2);
+}
+
+static int cyan_skillfish_od_edit_dpm_table(struct smu_context *smu,
+ enum PP_OD_DPM_TABLE_COMMAND type,
+ long input[], uint32_t size)
+{
+ int ret = 0;
+ uint32_t vid;
+
+ switch (type) {
+ case PP_OD_EDIT_VDDC_CURVE:
+ if (size != 3 || input[0] != 0) {
+ dev_err(smu->adev->dev, "Invalid parameter!\n");
+ return -EINVAL;
+ }
+
+ if (input[1] <= CYAN_SKILLFISH_SCLK_MIN ||
+ input[1] > CYAN_SKILLFISH_SCLK_MAX) {
+ dev_err(smu->adev->dev, "Invalid sclk! Valid sclk range: %uMHz - %uMhz\n",
+ CYAN_SKILLFISH_SCLK_MIN, CYAN_SKILLFISH_SCLK_MAX);
+ return -EINVAL;
+ }
+
+ if (input[2] <= CYAN_SKILLFISH_VDDC_MIN ||
+ input[2] > CYAN_SKILLFISH_VDDC_MAX) {
+ dev_err(smu->adev->dev, "Invalid vddc! Valid vddc range: %umV - %umV\n",
+ CYAN_SKILLFISH_VDDC_MIN, CYAN_SKILLFISH_VDDC_MAX);
+ return -EINVAL;
+ }
+
+ cyan_skillfish_user_settings.sclk = input[1];
+ cyan_skillfish_user_settings.vddc = input[2];
+
+ break;
+ case PP_OD_RESTORE_DEFAULT_TABLE:
+ if (size != 0) {
+ dev_err(smu->adev->dev, "Invalid parameter!\n");
+ return -EINVAL;
+ }
+
+ cyan_skillfish_user_settings.sclk = CYAN_SKILLFISH_SCLK_DEFAULT;
+ cyan_skillfish_user_settings.vddc = CYAN_SKILLFISH_VDDC_MAGIC;
+
+ break;
+ case PP_OD_COMMIT_DPM_TABLE:
+ if (size != 0) {
+ dev_err(smu->adev->dev, "Invalid parameter!\n");
+ return -EINVAL;
+ }
+
+ if (cyan_skillfish_user_settings.sclk < CYAN_SKILLFISH_SCLK_MIN ||
+ cyan_skillfish_user_settings.sclk > CYAN_SKILLFISH_SCLK_MAX) {
+ dev_err(smu->adev->dev, "Invalid sclk! Valid sclk range: %uMHz - %uMhz\n",
+ CYAN_SKILLFISH_SCLK_MIN, CYAN_SKILLFISH_SCLK_MAX);
+ return -EINVAL;
+ }
+
+ if ((cyan_skillfish_user_settings.vddc != CYAN_SKILLFISH_VDDC_MAGIC) &&
+ (cyan_skillfish_user_settings.vddc < CYAN_SKILLFISH_VDDC_MIN ||
+ cyan_skillfish_user_settings.vddc > CYAN_SKILLFISH_VDDC_MAX)) {
+ dev_err(smu->adev->dev, "Invalid vddc! Valid vddc range: %umV - %umV\n",
+ CYAN_SKILLFISH_VDDC_MIN, CYAN_SKILLFISH_VDDC_MAX);
+ return -EINVAL;
+ }
+
+ ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_RequestGfxclk,
+ cyan_skillfish_user_settings.sclk, NULL);
+ if (ret) {
+ dev_err(smu->adev->dev, "Set sclk failed!\n");
+ return ret;
+ }
+
+ if (cyan_skillfish_user_settings.vddc == CYAN_SKILLFISH_VDDC_MAGIC) {
+ ret = smu_cmn_send_smc_msg(smu, SMU_MSG_UnforceGfxVid, NULL);
+ if (ret) {
+ dev_err(smu->adev->dev, "Unforce vddc failed!\n");
+ return ret;
+ }
+ } else {
+ /*
+ * PMFW accepts SVI2 VID code, convert voltage to VID:
+ * vid = (uint32_t)((1.55 - voltage) * 160.0 + 0.00001)
+ */
+ vid = (1550 - cyan_skillfish_user_settings.vddc) * 160 / 1000;
+ ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_ForceGfxVid, vid, NULL);
+ if (ret) {
+ dev_err(smu->adev->dev, "Force vddc failed!\n");
+ return ret;
+ }
+ }
+
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return ret;
+}
+
static const struct pptable_funcs cyan_skillfish_ppt_funcs = {
.check_fw_status = smu_v11_0_check_fw_status,
.check_fw_version = smu_v11_0_check_fw_version,
.init_power = smu_v11_0_init_power,
.fini_power = smu_v11_0_fini_power,
+ .init_smc_tables = cyan_skillfish_init_smc_tables,
+ .fini_smc_tables = cyan_skillfish_finit_smc_tables,
+ .read_sensor = cyan_skillfish_read_sensor,
+ .print_clk_levels = cyan_skillfish_print_clk_levels,
+ .is_dpm_running = cyan_skillfish_is_dpm_running,
+ .get_gpu_metrics = cyan_skillfish_get_gpu_metrics,
+ .od_edit_dpm_table = cyan_skillfish_od_edit_dpm_table,
.register_irq_handler = smu_v11_0_register_irq_handler,
.notify_memory_pool_location = smu_v11_0_notify_memory_pool_location,
.send_smc_msg_with_param = smu_cmn_send_smc_msg_with_param,
@@ -72,5 +552,6 @@ void cyan_skillfish_set_ppt_funcs(struct smu_context *smu)
{
smu->ppt_funcs = &cyan_skillfish_ppt_funcs;
smu->message_map = cyan_skillfish_message_map;
+ smu->table_map = cyan_skillfish_table_map;
smu->is_apu = true;
}
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 a5fc5d7cb6c7..b1ad451af06b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -1279,6 +1279,8 @@ static int navi10_print_clk_levels(struct smu_context *smu,
struct smu_11_0_overdrive_table *od_settings = smu->od_settings;
uint32_t min_value, max_value;
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
switch (clk_type) {
case SMU_GFXCLK:
case SMU_SCLK:
@@ -1392,7 +1394,7 @@ static int navi10_print_clk_levels(struct smu_context *smu,
case SMU_OD_RANGE:
if (!smu->od_enabled || !od_table || !od_settings)
break;
- size = sysfs_emit(buf, "%s:\n", "OD_RANGE");
+ size += sysfs_emit_at(buf, size, "%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,
@@ -2272,7 +2274,27 @@ static int navi10_baco_enter(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
- if (adev->in_runpm)
+ /*
+ * This aims the case below:
+ * amdgpu driver loaded -> runpm suspend kicked -> sound driver loaded
+ *
+ * For NAVI10 and later ASICs, we rely on PMFW to handle the runpm. To
+ * make that possible, PMFW needs to acknowledge the dstate transition
+ * process for both gfx(function 0) and audio(function 1) function of
+ * the ASIC.
+ *
+ * The PCI device's initial runpm status is RUNPM_SUSPENDED. So as the
+ * device representing the audio function of the ASIC. And that means
+ * even if the sound driver(snd_hda_intel) was not loaded yet, it's still
+ * possible runpm suspend kicked on the ASIC. However without the dstate
+ * transition notification from audio function, pmfw cannot handle the
+ * BACO in/exit correctly. And that will cause driver hang on runpm
+ * resuming.
+ *
+ * To address this, we revert to legacy message way(driver masters the
+ * timing for BACO in/exit) on sound driver missing.
+ */
+ if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev))
return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_BACO);
else
return smu_v11_0_baco_enter(smu);
@@ -2282,7 +2304,7 @@ static int navi10_baco_exit(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
- if (adev->in_runpm) {
+ if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) {
/* Wait for PMFW handling for the Dstate change */
msleep(10);
return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 5e292c3f5050..ca57221e3962 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -1058,6 +1058,8 @@ static int sienna_cichlid_print_clk_levels(struct smu_context *smu,
uint32_t min_value, max_value;
uint32_t smu_version;
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
switch (clk_type) {
case SMU_GFXCLK:
case SMU_SCLK:
@@ -1180,7 +1182,7 @@ static int sienna_cichlid_print_clk_levels(struct smu_context *smu,
if (!smu->od_enabled || !od_table || !od_settings)
break;
- size = sysfs_emit(buf, "%s:\n", "OD_RANGE");
+ size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE");
if (sienna_cichlid_is_od_feature_supported(od_settings, SMU_11_0_7_ODCAP_GFXCLK_LIMITS)) {
sienna_cichlid_get_od_setting_range(od_settings, SMU_11_0_7_ODSETTING_GFXCLKFMIN,
@@ -2187,7 +2189,7 @@ static int sienna_cichlid_baco_enter(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
- if (adev->in_runpm)
+ if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev))
return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_BACO);
else
return smu_v11_0_baco_enter(smu);
@@ -2197,7 +2199,7 @@ static int sienna_cichlid_baco_exit(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
- if (adev->in_runpm) {
+ if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) {
/* Wait for PMFW handling for the Dstate change */
msleep(10);
return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index 3a3421452e57..f6ef0ce6e9e2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -589,10 +589,12 @@ static int vangogh_print_legacy_clk_levels(struct smu_context *smu,
if (ret)
return ret;
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
switch (clk_type) {
case SMU_OD_SCLK:
if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
- size = sysfs_emit(buf, "%s:\n", "OD_SCLK");
+ size += sysfs_emit_at(buf, size, "%s:\n", "OD_SCLK");
size += sysfs_emit_at(buf, size, "0: %10uMhz\n",
(smu->gfx_actual_hard_min_freq > 0) ? smu->gfx_actual_hard_min_freq : smu->gfx_default_hard_min_freq);
size += sysfs_emit_at(buf, size, "1: %10uMhz\n",
@@ -601,7 +603,7 @@ static int vangogh_print_legacy_clk_levels(struct smu_context *smu,
break;
case SMU_OD_CCLK:
if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
- size = sysfs_emit(buf, "CCLK_RANGE in Core%d:\n", smu->cpu_core_id_select);
+ size += sysfs_emit_at(buf, size, "CCLK_RANGE in Core%d:\n", smu->cpu_core_id_select);
size += sysfs_emit_at(buf, size, "0: %10uMhz\n",
(smu->cpu_actual_soft_min_freq > 0) ? smu->cpu_actual_soft_min_freq : smu->cpu_default_soft_min_freq);
size += sysfs_emit_at(buf, size, "1: %10uMhz\n",
@@ -610,7 +612,7 @@ static int vangogh_print_legacy_clk_levels(struct smu_context *smu,
break;
case SMU_OD_RANGE:
if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
- size = sysfs_emit(buf, "%s:\n", "OD_RANGE");
+ size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE");
size += sysfs_emit_at(buf, size, "SCLK: %7uMhz %10uMhz\n",
smu->gfx_default_hard_min_freq, smu->gfx_default_soft_max_freq);
size += sysfs_emit_at(buf, size, "CCLK: %7uMhz %10uMhz\n",
@@ -688,10 +690,12 @@ static int vangogh_print_clk_levels(struct smu_context *smu,
if (ret)
return ret;
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
switch (clk_type) {
case SMU_OD_SCLK:
if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
- size = sysfs_emit(buf, "%s:\n", "OD_SCLK");
+ size += sysfs_emit_at(buf, size, "%s:\n", "OD_SCLK");
size += sysfs_emit_at(buf, size, "0: %10uMhz\n",
(smu->gfx_actual_hard_min_freq > 0) ? smu->gfx_actual_hard_min_freq : smu->gfx_default_hard_min_freq);
size += sysfs_emit_at(buf, size, "1: %10uMhz\n",
@@ -700,7 +704,7 @@ static int vangogh_print_clk_levels(struct smu_context *smu,
break;
case SMU_OD_CCLK:
if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
- size = sysfs_emit(buf, "CCLK_RANGE in Core%d:\n", smu->cpu_core_id_select);
+ size += sysfs_emit_at(buf, size, "CCLK_RANGE in Core%d:\n", smu->cpu_core_id_select);
size += sysfs_emit_at(buf, size, "0: %10uMhz\n",
(smu->cpu_actual_soft_min_freq > 0) ? smu->cpu_actual_soft_min_freq : smu->cpu_default_soft_min_freq);
size += sysfs_emit_at(buf, size, "1: %10uMhz\n",
@@ -709,7 +713,7 @@ static int vangogh_print_clk_levels(struct smu_context *smu,
break;
case SMU_OD_RANGE:
if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
- size = sysfs_emit(buf, "%s:\n", "OD_RANGE");
+ size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE");
size += sysfs_emit_at(buf, size, "SCLK: %7uMhz %10uMhz\n",
smu->gfx_default_hard_min_freq, smu->gfx_default_soft_max_freq);
size += sysfs_emit_at(buf, size, "CCLK: %7uMhz %10uMhz\n",
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
index 5aa175e12a78..145f13b8c977 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
@@ -497,6 +497,8 @@ static int renoir_print_clk_levels(struct smu_context *smu,
if (ret)
return ret;
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
switch (clk_type) {
case SMU_OD_RANGE:
if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index ab652028e003..5019903db492 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -733,15 +733,19 @@ static int aldebaran_print_clk_levels(struct smu_context *smu,
uint32_t freq_values[3] = {0};
uint32_t min_clk, max_clk;
- if (amdgpu_ras_intr_triggered())
- return sysfs_emit(buf, "unavailable\n");
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
+ if (amdgpu_ras_intr_triggered()) {
+ size += sysfs_emit_at(buf, size, "unavailable\n");
+ return size;
+ }
dpm_context = smu_dpm->dpm_context;
switch (type) {
case SMU_OD_SCLK:
- size = sysfs_emit(buf, "%s:\n", "GFXCLK");
+ size += sysfs_emit_at(buf, size, "%s:\n", "GFXCLK");
fallthrough;
case SMU_SCLK:
ret = aldebaran_get_current_clk_freq_by_table(smu, SMU_GFXCLK, &now);
@@ -795,7 +799,7 @@ static int aldebaran_print_clk_levels(struct smu_context *smu,
break;
case SMU_OD_MCLK:
- size = sysfs_emit(buf, "%s:\n", "MCLK");
+ size += sysfs_emit_at(buf, size, "%s:\n", "MCLK");
fallthrough;
case SMU_MCLK:
ret = aldebaran_get_current_clk_freq_by_table(smu, SMU_UCLK, &now);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
index 627ba2eec7fd..a403657151ba 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
@@ -1052,16 +1052,18 @@ static int yellow_carp_print_clk_levels(struct smu_context *smu,
int i, size = 0, ret = 0;
uint32_t cur_value = 0, value = 0, count = 0;
+ smu_cmn_get_sysfs_buf(&buf, &size);
+
switch (clk_type) {
case SMU_OD_SCLK:
- size = sysfs_emit(buf, "%s:\n", "OD_SCLK");
+ size += sysfs_emit_at(buf, size, "%s:\n", "OD_SCLK");
size += sysfs_emit_at(buf, size, "0: %10uMhz\n",
(smu->gfx_actual_hard_min_freq > 0) ? smu->gfx_actual_hard_min_freq : smu->gfx_default_hard_min_freq);
size += sysfs_emit_at(buf, size, "1: %10uMhz\n",
(smu->gfx_actual_soft_max_freq > 0) ? smu->gfx_actual_soft_max_freq : smu->gfx_default_soft_max_freq);
break;
case SMU_OD_RANGE:
- size = sysfs_emit(buf, "%s:\n", "OD_RANGE");
+ size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE");
size += sysfs_emit_at(buf, size, "SCLK: %7uMhz %10uMhz\n",
smu->gfx_default_hard_min_freq, smu->gfx_default_soft_max_freq);
break;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index 66711ab24c15..843d2cbfc71d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -1053,3 +1053,24 @@ int smu_cmn_set_mp1_state(struct smu_context *smu,
return ret;
}
+
+bool smu_cmn_is_audio_func_enabled(struct amdgpu_device *adev)
+{
+ struct pci_dev *p = NULL;
+ bool snd_driver_loaded;
+
+ /*
+ * If the ASIC comes with no audio function, we always assume
+ * it is "enabled".
+ */
+ p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
+ adev->pdev->bus->number, 1);
+ if (!p)
+ return true;
+
+ snd_driver_loaded = pci_is_enabled(p) ? true : false;
+
+ pci_dev_put(p);
+
+ return snd_driver_loaded;
+}
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
index 16993daa2ae0..beea03810bca 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
@@ -110,5 +110,20 @@ void smu_cmn_init_soft_gpu_metrics(void *table, uint8_t frev, uint8_t crev);
int smu_cmn_set_mp1_state(struct smu_context *smu,
enum pp_mp1_state mp1_state);
+/*
+ * Helper function to make sysfs_emit_at() happy. Align buf to
+ * the current page boundary and record the offset.
+ */
+static inline void smu_cmn_get_sysfs_buf(char **buf, int *offset)
+{
+ if (!*buf || !offset)
+ return;
+
+ *offset = offset_in_page(*buf);
+ *buf -= *offset;
+}
+
+bool smu_cmn_is_audio_func_enabled(struct amdgpu_device *adev);
+
#endif
#endif