The voltage offset setting will be applied to the whole v/f curve line
instead of per anchor point base.
Signed-off-by: Evan Quan <evan.q...@amd.com>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 45 +++++++------------
.../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 31 ++++++-------
.../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 31 ++++++-------
3 files changed, 43 insertions(+), 64 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index f03647fa3df6..97d550ac6942 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -643,18 +643,14 @@ static ssize_t amdgpu_set_pp_table(struct device *dev,
* They can be used to calibrate the sclk voltage curve. This is
* available for Vega20 and NV1X.
*
- * - voltage offset for the six anchor points of the v/f curve labeled
- * OD_VDDC_CURVE. They can be used to calibrate the v/f curve. This
- * is only availabe for some SMU13 ASICs.
- *
* - voltage offset(in mV) applied on target voltage calculation.
- * This is available for Sienna Cichlid, Navy Flounder and Dimgrey
- * Cavefish. For these ASICs, the target voltage calculation can be
- * illustrated by "voltage = voltage calculated from v/f curve +
- * overdrive vddgfx offset"
+ * This is available for Sienna Cichlid, Navy Flounder, Dimgrey
+ * Cavefish and some later SMU13 ASICs. For these ASICs, the target
+ * voltage calculation can be illustrated by "voltage = voltage
+ * calculated from v/f curve + overdrive vddgfx offset"
*
- * - a list of valid ranges for sclk, mclk, and voltage curve points
- * labeled OD_RANGE
+ * - a list of valid ranges for sclk, mclk, voltage curve points
+ * or voltage offset labeled OD_RANGE
*
* < For APUs >
*
@@ -686,24 +682,17 @@ static ssize_t amdgpu_set_pp_table(struct device *dev,
* E.g., "p 2 0 800" would set the minimum core clock on core
* 2 to 800Mhz.
*
- * For sclk voltage curve,
- * - For NV1X, enter the new values by writing a string that
- * contains "vc point clock voltage" to the file. The points
- * are indexed by 0, 1 and 2. E.g., "vc 0 300 600" will update
- * point1 with clock set as 300Mhz and voltage as 600mV. "vc 2
- * 1000 1000" will update point3 with clock set as 1000Mhz and
- * voltage 1000mV.
- * - For SMU13 ASICs, enter the new values by writing a string that
- * contains "vc anchor_point_index voltage_offset" to the file.
- * There are total six anchor points defined on the v/f curve with
- * index as 0 - 5.
- * - "vc 0 10" will update the voltage offset for point1 as 10mv.
- * - "vc 5 -10" will update the voltage offset for point6 as -10mv.
- *
- * To update the voltage offset applied for gfxclk/voltage calculation,
- * enter the new value by writing a string that contains "vo offset".
- * This is supported by Sienna Cichlid, Navy Flounder and Dimgrey Cavefish.
- * And the offset can be a positive or negative value.
+ * For sclk voltage curve supported by Vega20 and NV1X, enter the new
+ * values by writing a string that contains "vc point clock voltage"
+ * to the file. The points are indexed by 0, 1 and 2. E.g., "vc 0 300
+ * 600" will update point1 with clock set as 300Mhz and voltage as 600mV.
+ * "vc 2 1000 1000" will update point3 with clock set as 1000Mhz and
+ * voltage 1000mV.
+ *
+ * For voltage offset supported by Sienna Cichlid, Navy Flounder, Dimgrey
+ * Cavefish and some later SMU13 ASICs, enter the new value by writing a
+ * string that contains "vo offset". E.g., "vo -10" will update the extra
+ * voltage offset applied to the whole v/f curve line as -10mv.
*
* - When you have edited all of the states as needed, write "c" (commit)
* to the file to commit your changes
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 3903a47669e4..bd0d5f027cac 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -1304,16 +1304,14 @@ static int smu_v13_0_0_print_clk_levels(struct
smu_context *smu,
od_table->OverDriveTable.UclkFmax);
break;
- case SMU_OD_VDDC_CURVE:
+ case SMU_OD_VDDGFX_OFFSET:
if (!smu_v13_0_0_is_od_feature_supported(smu,
PP_OD_FEATURE_GFX_VF_CURVE_BIT))
break;
- size += sysfs_emit_at(buf, size, "OD_VDDC_CURVE:\n");
- for (i = 0; i < PP_NUM_OD_VF_CURVE_POINTS; i++)
- size += sysfs_emit_at(buf, size, "%d: %dmv\n",
- i,
-
od_table->OverDriveTable.VoltageOffsetPerZoneBoundary[i]);
+ size += sysfs_emit_at(buf, size, "OD_VDDGFX_OFFSET:\n");
+ size += sysfs_emit_at(buf, size, "%dmV\n",
+
od_table->OverDriveTable.VoltageOffsetPerZoneBoundary[0]);
break;
case SMU_OD_RANGE:
@@ -1355,7 +1353,7 @@ static int smu_v13_0_0_print_clk_levels(struct
smu_context *smu,
PP_OD_FEATURE_GFX_VF_CURVE,
&min_value,
&max_value);
- size += sysfs_emit_at(buf, size, "VDDC_CURVE: %7dmv
%10dmv\n",
+ size += sysfs_emit_at(buf, size, "VDDGFX_OFFSET: %7dmv
%10dmv\n",
min_value, max_value);
}
break;
@@ -1504,29 +1502,26 @@ static int smu_v13_0_0_od_edit_dpm_table(struct
smu_context *smu,
}
break;
- case PP_OD_EDIT_VDDC_CURVE:
+ case PP_OD_EDIT_VDDGFX_OFFSET:
if (!smu_v13_0_0_is_od_feature_supported(smu,
PP_OD_FEATURE_GFX_VF_CURVE_BIT)) {
- dev_warn(adev->dev, "VF curve setting not
supported!\n");
+ dev_warn(adev->dev, "Gfx offset setting not
supported!\n");
return -ENOTSUPP;
}
- if (input[0] >= PP_NUM_OD_VF_CURVE_POINTS ||
- input[0] < 0)
- return -EINVAL;
-
smu_v13_0_0_get_od_setting_limits(smu,
PP_OD_FEATURE_GFX_VF_CURVE,
&minimum,
&maximum);
- if (input[1] < minimum ||
- input[1] > maximum) {
+ if (input[0] < minimum ||
+ input[0] > maximum) {
dev_info(adev->dev, "Voltage offset (%ld) must be
within [%d, %d]!\n",
- input[1], minimum, maximum);
+ input[0], minimum, maximum);
return -EINVAL;
}
- od_table->OverDriveTable.VoltageOffsetPerZoneBoundary[input[0]]
= input[1];
- od_table->OverDriveTable.FeatureCtrlMask |= 1U <<
PP_OD_FEATURE_GFX_VF_CURVE_BIT;
+ for (i = 0; i < PP_NUM_OD_VF_CURVE_POINTS; i++)
+
od_table->OverDriveTable.VoltageOffsetPerZoneBoundary[i] = input[0];
+ od_table->OverDriveTable.FeatureCtrlMask |=
BIT(PP_OD_FEATURE_GFX_VF_CURVE_BIT);
break;
case PP_OD_RESTORE_DEFAULT_TABLE:
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index 94ef5b4d116d..e54a6efc4fb5 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -1284,16 +1284,14 @@ static int smu_v13_0_7_print_clk_levels(struct
smu_context *smu,
od_table->OverDriveTable.UclkFmax);
break;
- case SMU_OD_VDDC_CURVE:
+ case SMU_OD_VDDGFX_OFFSET:
if (!smu_v13_0_7_is_od_feature_supported(smu,
PP_OD_FEATURE_GFX_VF_CURVE_BIT))
break;
- size += sysfs_emit_at(buf, size, "OD_VDDC_CURVE:\n");
- for (i = 0; i < PP_NUM_OD_VF_CURVE_POINTS; i++)
- size += sysfs_emit_at(buf, size, "%d: %dmv\n",
- i,
-
od_table->OverDriveTable.VoltageOffsetPerZoneBoundary[i]);
+ size += sysfs_emit_at(buf, size, "OD_VDDGFX_OFFSET:\n");
+ size += sysfs_emit_at(buf, size, "%dmV\n",
+
od_table->OverDriveTable.VoltageOffsetPerZoneBoundary[0]);
break;
case SMU_OD_RANGE:
@@ -1335,7 +1333,7 @@ static int smu_v13_0_7_print_clk_levels(struct
smu_context *smu,
PP_OD_FEATURE_GFX_VF_CURVE,
&min_value,
&max_value);
- size += sysfs_emit_at(buf, size, "VDDC_CURVE: %7dmv
%10dmv\n",
+ size += sysfs_emit_at(buf, size, "VDDGFX_OFFSET: %7dmv
%10dmv\n",
min_value, max_value);
}
break;
@@ -1484,29 +1482,26 @@ static int smu_v13_0_7_od_edit_dpm_table(struct
smu_context *smu,
}
break;
- case PP_OD_EDIT_VDDC_CURVE:
+ case PP_OD_EDIT_VDDGFX_OFFSET:
if (!smu_v13_0_7_is_od_feature_supported(smu,
PP_OD_FEATURE_GFX_VF_CURVE_BIT)) {
- dev_warn(adev->dev, "VF curve setting not
supported!\n");
+ dev_warn(adev->dev, "Gfx offset setting not
supported!\n");
return -ENOTSUPP;
}
- if (input[0] >= PP_NUM_OD_VF_CURVE_POINTS ||
- input[0] < 0)
- return -EINVAL;
-
smu_v13_0_7_get_od_setting_limits(smu,
PP_OD_FEATURE_GFX_VF_CURVE,
&minimum,
&maximum);
- if (input[1] < minimum ||
- input[1] > maximum) {
+ if (input[0] < minimum ||
+ input[0] > maximum) {
dev_info(adev->dev, "Voltage offset (%ld) must be
within [%d, %d]!\n",
- input[1], minimum, maximum);
+ input[0],minimum, maximum);
return -EINVAL;
}
- od_table->OverDriveTable.VoltageOffsetPerZoneBoundary[input[0]]
= input[1];
- od_table->OverDriveTable.FeatureCtrlMask |= 1U <<
PP_OD_FEATURE_GFX_VF_CURVE_BIT;
+ for (i = 0; i < PP_NUM_OD_VF_CURVE_POINTS; i++)
+
od_table->OverDriveTable.VoltageOffsetPerZoneBoundary[i] = input[0];
+ od_table->OverDriveTable.FeatureCtrlMask |=
BIT(PP_OD_FEATURE_GFX_VF_CURVE_BIT);
break;
case PP_OD_RESTORE_DEFAULT_TABLE:
--
2.34.1
