diff options
| author | Evan Quan <evan.quan@amd.com> | 2020-09-04 09:41:07 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-18 00:48:25 +0300 |
| commit | 71f9404f19af1da2a4cc583e2d6db448f25a5e1a (patch) | |
| tree | 84f53d2a2e336d244393b51bdee160014beeaa63 | |
| parent | 911779e3fc282cbdcae96c70131e3fe89cd5c1bc (diff) | |
| download | linux-71f9404f19af1da2a4cc583e2d6db448f25a5e1a.tar.xz | |
drm/amd/pm: process pending AC/DC switch interrupt
Process any pending interrupt that occured before driver register
for interrupt from GPIO/SMU.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c index 5d7faf15cd6b..b53872eb4398 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c @@ -934,12 +934,39 @@ int smu_v11_0_set_power_limit(struct smu_context *smu, uint32_t n) return 0; } +static int smu_v11_0_ack_ac_dc_interrupt(struct smu_context *smu) +{ + return smu_cmn_send_smc_msg(smu, + SMU_MSG_ReenableAcDcInterrupt, + NULL); +} + +static int smu_v11_0_process_pending_interrupt(struct smu_context *smu) +{ + int ret = 0; + + if (smu->dc_controlled_by_gpio && + smu_cmn_feature_is_enabled(smu, SMU_FEATURE_ACDC_BIT)) + ret = smu_v11_0_ack_ac_dc_interrupt(smu); + + return ret; +} + int smu_v11_0_enable_thermal_alert(struct smu_context *smu) { - if (smu->smu_table.thermal_controller_type) - return amdgpu_irq_get(smu->adev, &smu->irq_source, 0); + int ret = 0; - return 0; + if (smu->smu_table.thermal_controller_type) { + ret = amdgpu_irq_get(smu->adev, &smu->irq_source, 0); + if (ret) + return ret; + } + + /* + * After init there might have been missed interrupts triggered + * before driver registers for interrupt (Ex. AC/DC). + */ + return smu_v11_0_process_pending_interrupt(smu); } int smu_v11_0_disable_thermal_alert(struct smu_context *smu) @@ -1235,13 +1262,6 @@ static int smu_v11_0_set_irq_state(struct amdgpu_device *adev, return 0; } -static int smu_v11_0_ack_ac_dc_interrupt(struct smu_context *smu) -{ - return smu_cmn_send_smc_msg(smu, - SMU_MSG_ReenableAcDcInterrupt, - NULL); -} - #define THM_11_0__SRCID__THM_DIG_THERM_L2H 0 /* ASIC_TEMP > CG_THERMAL_INT.DIG_THERM_INTH */ #define THM_11_0__SRCID__THM_DIG_THERM_H2L 1 /* ASIC_TEMP < CG_THERMAL_INT.DIG_THERM_INTL */ |