diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 4da82fc64fef..7099ff9cf8c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -1494,6 +1494,9 @@ bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) if (adev->asic_type < CHIP_RAVEN) return false; + if (!(adev->pm.pp_feature & PP_GFXOFF_MASK)) + return false; + /* * If ACPI_FADT_LOW_POWER_S0 is not set in the FADT, it is generally * risky to do any special firmware-related preparations for entering @@ -1516,4 +1519,22 @@ bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) #endif /* CONFIG_AMD_PMC */ } +/** + * amdgpu_choose_low_power_state + * + * @adev: amdgpu_device_pointer + * + * Choose the target low power state for the GPU + */ +void amdgpu_choose_low_power_state(struct amdgpu_device *adev) +{ + if (adev->in_runpm) + return; + + if (amdgpu_acpi_is_s0ix_active(adev)) + adev->in_s0ix = true; + else if (amdgpu_acpi_is_s3_active(adev)) + adev->in_s3 = true; +} + #endif /* CONFIG_SUSPEND */ |