From e1188aacad17302510d9235adcfbc6d45e5dde7c Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 20 Mar 2020 13:45:59 -0400 Subject: drm/amdgpu/smu11: add support for SMU AC/DC interrupts Driver needs to send the ack message when it receives the AC/DC interrupt from the SMU. TODO: verify the client and src ids. Bug: https://gitlab.freedesktop.org/drm/amd/issues/1043 Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers') diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 20174bed11ce..d19e1d0d56c0 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1525,6 +1525,13 @@ int smu_v11_0_set_xgmi_pstate(struct smu_context *smu, return ret; } +static int smu_v11_0_ack_ac_dc_interrupt(struct smu_context *smu) +{ + return smu_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 */ @@ -1558,6 +1565,9 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev, break; } + } else if (client_id == SOC15_IH_CLIENTID_MP1) { + if (src_id == 0xfe) + smu_v11_0_ack_ac_dc_interrupt(&adev->smu); } return 0; @@ -1597,6 +1607,12 @@ int smu_v11_0_register_irq_handler(struct smu_context *smu) if (ret) return ret; + ret = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_MP1, + 0xfe, + irq_src); + if (ret) + return ret; + return ret; } -- cgit 1.4.1