The power source flag should be updated when [1] System receives an interrupt indicating that the power source has changed. [2] System resumes from suspend or runtime suspend Signed-off-by: Ma Jun <Jun.Ma2@xxxxxxx> --- drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 24 +++++++++++-------- .../gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 2 ++ .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 2 ++ 3 files changed, 18 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index c16703868e5c..e16d22e30a8a 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -24,6 +24,7 @@ #include <linux/firmware.h> #include <linux/pci.h> +#include <linux/power_supply.h> #include <linux/reboot.h> #include "amdgpu.h" @@ -793,6 +794,17 @@ static int smu_apply_default_config_table_settings(struct smu_context *smu) return smu_set_config_table(smu, &adev->pm.config_table); } +static void smu_update_power_source(struct amdgpu_device *adev) +{ + if (power_supply_is_system_supplied() > 0) + adev->pm.ac_power = true; + else + adev->pm.ac_power = false; + + if (is_support_sw_smu(adev)) + smu_set_ac_dc(adev->powerplay.pp_handle); +} + static int smu_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -817,16 +829,8 @@ static int smu_late_init(void *handle) * handle the switch automatically. Driver involvement * is unnecessary. */ - if (!smu->dc_controlled_by_gpio) { - ret = smu_set_power_source(smu, - adev->pm.ac_power ? SMU_POWER_SOURCE_AC : - SMU_POWER_SOURCE_DC); - if (ret) { - dev_err(adev->dev, "Failed to switch to %s mode!\n", - adev->pm.ac_power ? "AC" : "DC"); - return ret; - } - } + if (!smu->dc_controlled_by_gpio) + smu_update_power_source(adev); if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 1)) || (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 3))) 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 2e7f8d5cfc28..8047150fddd4 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 @@ -1442,10 +1442,12 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev, case 0x3: dev_dbg(adev->dev, "Switched to AC mode!\n"); schedule_work(&smu->interrupt_work); + adev->pm.ac_power = true; break; case 0x4: dev_dbg(adev->dev, "Switched to DC mode!\n"); schedule_work(&smu->interrupt_work); + adev->pm.ac_power = false; break; case 0x7: /* diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index 771a3d457c33..c486182ff275 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -1379,10 +1379,12 @@ static int smu_v13_0_irq_process(struct amdgpu_device *adev, case 0x3: dev_dbg(adev->dev, "Switched to AC mode!\n"); smu_v13_0_ack_ac_dc_interrupt(smu); + adev->pm.ac_power = true; break; case 0x4: dev_dbg(adev->dev, "Switched to DC mode!\n"); smu_v13_0_ack_ac_dc_interrupt(smu); + adev->pm.ac_power = false; break; case 0x7: /* -- 2.34.1