[PATCH] drm/amd/pm: Check feature support using IP version

Wang, Yang(Kevin) KevinYang.Wang at amd.com
Fri Mar 25 11:25:19 UTC 2022


[AMD Official Use Only]

       if (adev->asic_type > CHIP_VEGA20) {
+       if (gc_ver != IP_VERSION(9, 4, 0) && mp1_ver > IP_VERSION(9, 0, 0)) {
                 /* VCN clocks */
[kevin]:

please put some comments here (why mp1_ver and gc_ver is needed both), it can help developer to understand some backgrounds.
thanks.

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

Best Regards,
Kevin
________________________________
From: Lazar, Lijo <Lijo.Lazar at amd.com>
Sent: Friday, March 25, 2022 4:31 PM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>; Quan, Evan <Evan.Quan at amd.com>
Subject: [PATCH] drm/amd/pm: Check feature support using IP version

Instead of ASIC type, use GC and MP1 IP versions for feature support checks.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/pm/amdgpu_pm.c | 72 ++++++++++++++++--------------
 1 file changed, 39 insertions(+), 33 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 5cd67ddf8495..f89e0ff3f5a4 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -1954,8 +1954,9 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
                                uint32_t mask, enum amdgpu_device_attr_states *states)
 {
         struct device_attribute *dev_attr = &attr->dev_attr;
+       uint32_t mp1_ver = adev->ip_versions[MP1_HWIP][0];
+       uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
         const char *attr_name = dev_attr->attr.name;
-       enum amd_asic_type asic_type = adev->asic_type;

         if (!(attr->flags & mask)) {
                 *states = ATTR_STATE_UNSUPPORTED;
@@ -1965,53 +1966,55 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
 #define DEVICE_ATTR_IS(_name)   (!strcmp(attr_name, #_name))

         if (DEVICE_ATTR_IS(pp_dpm_socclk)) {
-               if (asic_type < CHIP_VEGA10)
+               if (gc_ver < IP_VERSION(9, 0, 0))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
-               if (asic_type < CHIP_VEGA10 ||
-                   asic_type == CHIP_ARCTURUS ||
-                   asic_type == CHIP_ALDEBARAN)
+               if (gc_ver < IP_VERSION(9, 0, 0) ||
+                   gc_ver == IP_VERSION(9, 4, 1) ||
+                   gc_ver == IP_VERSION(9, 4, 2))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(pp_dpm_fclk)) {
-               if (asic_type < CHIP_VEGA20)
+               if (mp1_ver < IP_VERSION(10, 0, 0))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) {
                 *states = ATTR_STATE_UNSUPPORTED;
                 if (amdgpu_dpm_is_overdrive_supported(adev))
                         *states = ATTR_STATE_SUPPORTED;
         } else if (DEVICE_ATTR_IS(mem_busy_percent)) {
-               if (adev->flags & AMD_IS_APU || asic_type == CHIP_VEGA10)
+               if (adev->flags & AMD_IS_APU || gc_ver == IP_VERSION(9, 0, 1))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(pcie_bw)) {
                 /* PCIe Perf counters won't work on APU nodes */
                 if (adev->flags & AMD_IS_APU)
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(unique_id)) {
-               if (asic_type != CHIP_VEGA10 &&
-                   asic_type != CHIP_VEGA20 &&
-                   asic_type != CHIP_ARCTURUS &&
-                   asic_type != CHIP_ALDEBARAN)
+               if (gc_ver != IP_VERSION(9, 0, 1) &&
+                   gc_ver != IP_VERSION(9, 4, 0) &&
+                   gc_ver != IP_VERSION(9, 4, 1) &&
+                   gc_ver != IP_VERSION(9, 4, 2))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(pp_features)) {
-               if (adev->flags & AMD_IS_APU || asic_type < CHIP_VEGA10)
+               if (adev->flags & AMD_IS_APU || gc_ver < IP_VERSION(9, 0, 0))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(gpu_metrics)) {
-               if (asic_type < CHIP_VEGA12)
+               if (gc_ver < IP_VERSION(9, 1, 0))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(pp_dpm_vclk)) {
-               if (!(asic_type == CHIP_VANGOGH || asic_type == CHIP_SIENNA_CICHLID))
+               if (!(gc_ver == IP_VERSION(10, 3, 1) ||
+                     gc_ver == IP_VERSION(10, 3, 0)))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(pp_dpm_dclk)) {
-               if (!(asic_type == CHIP_VANGOGH || asic_type == CHIP_SIENNA_CICHLID))
+               if (!(gc_ver == IP_VERSION(10, 3, 1) ||
+                     gc_ver == IP_VERSION(10, 3, 0)))
                         *states = ATTR_STATE_UNSUPPORTED;
         } else if (DEVICE_ATTR_IS(pp_power_profile_mode)) {
                 if (amdgpu_dpm_get_power_profile_mode(adev, NULL) == -EOPNOTSUPP)
                         *states = ATTR_STATE_UNSUPPORTED;
         }

-       switch (asic_type) {
-       case CHIP_ARCTURUS:
-       case CHIP_ALDEBARAN:
+       switch (gc_ver) {
+       case IP_VERSION(9, 4, 1):
+       case IP_VERSION(9, 4, 2):
                 /* the Mi series card does not support standalone mclk/socclk/fclk level setting */
                 if (DEVICE_ATTR_IS(pp_dpm_mclk) ||
                     DEVICE_ATTR_IS(pp_dpm_socclk) ||
@@ -2026,7 +2029,7 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_

         if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
                 /* SMU MP1 does not support dcefclk level setting */
-               if (asic_type >= CHIP_NAVI10) {
+               if (gc_ver >= IP_VERSION(10, 0, 0)) {
                         dev_attr->attr.mode &= ~S_IWUGO;
                         dev_attr->store = NULL;
                 }
@@ -2864,8 +2867,9 @@ static ssize_t amdgpu_hwmon_show_power_label(struct device *dev,
                                          char *buf)
 {
         struct amdgpu_device *adev = dev_get_drvdata(dev);
+       uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];

-       if (adev->asic_type == CHIP_VANGOGH)
+       if (gc_ver == IP_VERSION(10, 3, 1))
                 return sysfs_emit(buf, "%s\n",
                                   to_sensor_dev_attr(attr)->index == PP_PWR_TYPE_FAST ?
                                   "fastPPT" : "slowPPT");
@@ -3177,6 +3181,7 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
         struct device *dev = kobj_to_dev(kobj);
         struct amdgpu_device *adev = dev_get_drvdata(dev);
         umode_t effective_mode = attr->mode;
+       uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];

         /* under multi-vf mode, the hwmon attributes are all not supported */
         if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
@@ -3245,18 +3250,18 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
               attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */
                 effective_mode &= ~S_IWUSR;

+       /* not implemented yet for GC 10.3.1 APUs */
         if (((adev->family == AMDGPU_FAMILY_SI) ||
-                ((adev->flags & AMD_IS_APU) &&
-             (adev->asic_type != CHIP_VANGOGH))) &&     /* not implemented yet */
+            ((adev->flags & AMD_IS_APU) && (gc_ver != IP_VERSION(10, 3, 1)))) &&
             (attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr ||
-            attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr||
+            attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr ||
              attr == &sensor_dev_attr_power1_cap.dev_attr.attr ||
              attr == &sensor_dev_attr_power1_cap_default.dev_attr.attr))
                 return 0;

+       /* not implemented yet for APUs having <= GC 9.3.0 */
         if (((adev->family == AMDGPU_FAMILY_SI) ||
-            ((adev->flags & AMD_IS_APU) &&
-             (adev->asic_type < CHIP_RENOIR))) &&       /* not implemented yet */
+            ((adev->flags & AMD_IS_APU) && (gc_ver < IP_VERSION(9, 3, 0)))) &&
             (attr == &sensor_dev_attr_power1_average.dev_attr.attr))
                 return 0;

@@ -3294,8 +3299,7 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
                 return 0;

         /* only SOC15 dGPUs support hotspot and mem temperatures */
-       if (((adev->flags & AMD_IS_APU) ||
-            adev->asic_type < CHIP_VEGA10) &&
+       if (((adev->flags & AMD_IS_APU) || gc_ver < IP_VERSION(9, 0, 0)) &&
             (attr == &sensor_dev_attr_temp2_crit.dev_attr.attr ||
              attr == &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr ||
              attr == &sensor_dev_attr_temp3_crit.dev_attr.attr ||
@@ -3310,13 +3314,13 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
                 return 0;

         /* only Vangogh has fast PPT limit and power labels */
-       if (!(adev->asic_type == CHIP_VANGOGH) &&
+       if (!(gc_ver == IP_VERSION(10, 3, 1)) &&
             (attr == &sensor_dev_attr_power2_average.dev_attr.attr ||
-                attr == &sensor_dev_attr_power2_cap_max.dev_attr.attr ||
+            attr == &sensor_dev_attr_power2_cap_max.dev_attr.attr ||
              attr == &sensor_dev_attr_power2_cap_min.dev_attr.attr ||
-                attr == &sensor_dev_attr_power2_cap.dev_attr.attr ||
-                attr == &sensor_dev_attr_power2_cap_default.dev_attr.attr ||
-                attr == &sensor_dev_attr_power2_label.dev_attr.attr))
+            attr == &sensor_dev_attr_power2_cap.dev_attr.attr ||
+            attr == &sensor_dev_attr_power2_cap_default.dev_attr.attr ||
+            attr == &sensor_dev_attr_power2_label.dev_attr.attr))
                 return 0;

         return effective_mode;
@@ -3421,6 +3425,8 @@ static void amdgpu_debugfs_prints_cpu_info(struct seq_file *m,

 static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev)
 {
+       uint32_t mp1_ver = adev->ip_versions[MP1_HWIP][0];
+       uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
         uint32_t value;
         uint64_t value64 = 0;
         uint32_t query = 0;
@@ -3467,7 +3473,7 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a
         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size))
                 seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64);

-       if (adev->asic_type > CHIP_VEGA20) {
+       if (gc_ver != IP_VERSION(9, 4, 0) && mp1_ver > IP_VERSION(9, 0, 0)) {
                 /* VCN clocks */
                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCN_POWER_STATE, (void *)&value, &size)) {
                         if (!value) {
--
2.25.1

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