[PATCH V3 7/7] drm/amd/pm: correct the address of Arcturus fan related registers
Evan Quan
evan.quan at amd.com
Thu Aug 12 09:33:08 UTC 2021
These registers have different address from other SMU V11 ASICs.
Change-Id: Iaeb0438331eed9b0313933da25622f8e4c048fab
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
v1->v2:
- cover the ASIC specific details in arcturus_ppt.c (Lijo)
---
.../gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 138 +++++++++++++++++-
1 file changed, 133 insertions(+), 5 deletions(-)
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 d090a999baf4..1aad6c23db4d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -81,6 +81,24 @@
#define smnPCIE_ESM_CTRL 0x111003D0
+#define mmCG_FDO_CTRL0_ARCT 0x8B
+#define mmCG_FDO_CTRL0_ARCT_BASE_IDX 0
+
+#define mmCG_FDO_CTRL1_ARCT 0x8C
+#define mmCG_FDO_CTRL1_ARCT_BASE_IDX 0
+
+#define mmCG_FDO_CTRL2_ARCT 0x8D
+#define mmCG_FDO_CTRL2_ARCT_BASE_IDX 0
+
+#define mmCG_TACH_CTRL_ARCT 0x8E
+#define mmCG_TACH_CTRL_ARCT_BASE_IDX 0
+
+#define mmCG_TACH_STATUS_ARCT 0x8F
+#define mmCG_TACH_STATUS_ARCT_BASE_IDX 0
+
+#define mmCG_THERMAL_STATUS_ARCT 0x90
+#define mmCG_THERMAL_STATUS_ARCT_BASE_IDX 0
+
static const struct cmn2asic_msg_mapping arcturus_message_map[SMU_MSG_MAX_COUNT] = {
MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 0),
MSG_MAP(GetSmuVersion, PPSMC_MSG_GetSmuVersion, 1),
@@ -1162,9 +1180,28 @@ static int arcturus_read_sensor(struct smu_context *smu,
return ret;
}
+static int arcturus_set_fan_static_mode(struct smu_context *smu,
+ uint32_t mode)
+{
+ struct amdgpu_device *adev = smu->adev;
+
+ WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2_ARCT,
+ REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2_ARCT),
+ CG_FDO_CTRL2, TMIN, 0));
+ WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2_ARCT,
+ REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2_ARCT),
+ CG_FDO_CTRL2, FDO_PWM_MODE, mode));
+
+ return 0;
+}
+
static int arcturus_get_fan_speed_rpm(struct smu_context *smu,
uint32_t *speed)
{
+ struct amdgpu_device *adev = smu->adev;
+ uint32_t crystal_clock_freq = 2500;
+ uint32_t tach_status;
+ uint64_t tmp64;
int ret = 0;
if (!speed)
@@ -1177,14 +1214,105 @@ static int arcturus_get_fan_speed_rpm(struct smu_context *smu,
speed);
break;
default:
- ret = smu_v11_0_get_fan_speed_rpm(smu,
- speed);
+ /*
+ * For pre Sienna Cichlid ASICs, the 0 RPM may be not correctly
+ * detected via register retrieving. To workaround this, we will
+ * report the fan speed as 0 RPM if user just requested such.
+ */
+ if ((smu->user_dpm_profile.flags & SMU_CUSTOM_FAN_SPEED_RPM)
+ && !smu->user_dpm_profile.fan_speed_rpm) {
+ *speed = 0;
+ return 0;
+ }
+
+ tmp64 = (uint64_t)crystal_clock_freq * 60 * 10000;
+ tach_status = RREG32_SOC15(THM, 0, mmCG_TACH_STATUS_ARCT);
+ do_div(tmp64, tach_status);
+ *speed = (uint32_t)tmp64;
+
break;
}
return ret;
}
+static int arcturus_set_fan_speed_pwm(struct smu_context *smu,
+ uint32_t speed)
+{
+ struct amdgpu_device *adev = smu->adev;
+ uint32_t duty100, duty;
+ uint64_t tmp64;
+
+ speed = MIN(speed, 255);
+
+ duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1_ARCT),
+ CG_FDO_CTRL1, FMAX_DUTY100);
+ if (!duty100)
+ return -EINVAL;
+
+ tmp64 = (uint64_t)speed * duty100;
+ do_div(tmp64, 255);
+ duty = (uint32_t)tmp64;
+
+ WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0_ARCT,
+ REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL0_ARCT),
+ CG_FDO_CTRL0, FDO_STATIC_DUTY, duty));
+
+ return arcturus_set_fan_static_mode(smu, FDO_PWM_MODE_STATIC);
+}
+
+static int arcturus_set_fan_speed_rpm(struct smu_context *smu,
+ uint32_t speed)
+{
+ struct amdgpu_device *adev = smu->adev;
+ /*
+ * crystal_clock_freq used for fan speed rpm calculation is
+ * always 25Mhz. So, hardcode it as 2500(in 10K unit).
+ */
+ uint32_t crystal_clock_freq = 2500;
+ uint32_t tach_period;
+
+ tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
+ WREG32_SOC15(THM, 0, mmCG_TACH_CTRL_ARCT,
+ REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL_ARCT),
+ CG_TACH_CTRL, TARGET_PERIOD,
+ tach_period));
+
+ return arcturus_set_fan_static_mode(smu, FDO_PWM_MODE_STATIC_RPM);
+}
+
+static int arcturus_get_fan_speed_pwm(struct smu_context *smu,
+ uint32_t *speed)
+{
+ struct amdgpu_device *adev = smu->adev;
+ uint32_t duty100, duty;
+ uint64_t tmp64;
+
+ /*
+ * For pre Sienna Cichlid ASICs, the 0 RPM may be not correctly
+ * detected via register retrieving. To workaround this, we will
+ * report the fan speed as 0 PWM if user just requested such.
+ */
+ if ((smu->user_dpm_profile.flags & SMU_CUSTOM_FAN_SPEED_PWM)
+ && !smu->user_dpm_profile.fan_speed_pwm) {
+ *speed = 0;
+ return 0;
+ }
+
+ duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1_ARCT),
+ CG_FDO_CTRL1, FMAX_DUTY100);
+ duty = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_THERMAL_STATUS_ARCT),
+ CG_THERMAL_STATUS, FDO_PWM_DUTY);
+ if (!duty100)
+ return -EINVAL;
+
+ tmp64 = (uint64_t)duty * 255;
+ do_div(tmp64, duty100);
+ *speed = MIN((uint32_t)tmp64, 255);
+
+ return 0;
+}
+
static int arcturus_get_fan_parameters(struct smu_context *smu)
{
PPTable_t *pptable = smu->smu_table.driver_pptable;
@@ -2270,7 +2398,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
.print_clk_levels = arcturus_print_clk_levels,
.force_clk_levels = arcturus_force_clk_levels,
.read_sensor = arcturus_read_sensor,
- .get_fan_speed_pwm = smu_v11_0_get_fan_speed_pwm,
+ .get_fan_speed_pwm = arcturus_get_fan_speed_pwm,
.get_fan_speed_rpm = arcturus_get_fan_speed_rpm,
.get_power_profile_mode = arcturus_get_power_profile_mode,
.set_power_profile_mode = arcturus_set_power_profile_mode,
@@ -2316,8 +2444,8 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
.display_clock_voltage_request = smu_v11_0_display_clock_voltage_request,
.get_fan_control_mode = smu_v11_0_get_fan_control_mode,
.set_fan_control_mode = smu_v11_0_set_fan_control_mode,
- .set_fan_speed_pwm = smu_v11_0_set_fan_speed_pwm,
- .set_fan_speed_rpm = smu_v11_0_set_fan_speed_rpm,
+ .set_fan_speed_pwm = arcturus_set_fan_speed_pwm,
+ .set_fan_speed_rpm = arcturus_set_fan_speed_rpm,
.set_xgmi_pstate = smu_v11_0_set_xgmi_pstate,
.gfx_off_control = smu_v11_0_gfx_off_control,
.register_irq_handler = smu_v11_0_register_irq_handler,
--
2.29.0
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