diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2022-02-24 12:42:55 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2022-02-24 12:42:55 +0000 |
| commit | 1437f48b013e4e624b8b075ebfac96039063ba17 (patch) | |
| tree | 894211b20337f003aae03754ebf9cc357e90355e /sys/dev | |
| parent | 3c35ceeaae745d6b655e818cfdfb7b7f3cf40ac0 (diff) | |
drm/amd: add support to check whether the system is set to s3
From Mario Limonciello
72808bb42c87c4887c553ea8d9f4ecaf15d867d3 in linux 5.15.y/5.15.25
f52a2b8badbd24faf73a13c9c07fdb9d07352944 in mainline linux
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/drm/amd/amdgpu/amdgpu.h | 2 | ||||
| -rw-r--r-- | sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu.h b/sys/dev/pci/drm/amd/amdgpu/amdgpu.h index df282ca51b0..b30bfd04a79 100644 --- a/sys/dev/pci/drm/amd/amdgpu/amdgpu.h +++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu.h @@ -1441,9 +1441,11 @@ static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev, #endif #if defined(CONFIG_ACPI) && defined(CONFIG_SUSPEND) +bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev); bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev); #else static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; } +static inline bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) { return false; } #endif int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c index d33a60e5939..bdedf4f781a 100644 --- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c +++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c @@ -1046,6 +1046,19 @@ void amdgpu_acpi_detect(void) #if IS_ENABLED(CONFIG_SUSPEND) /** + * amdgpu_acpi_is_s3_active + * + * @adev: amdgpu_device_pointer + * + * returns true if supported, false if not. + */ +bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) +{ + return !(adev->flags & AMD_IS_APU) || + (pm_suspend_target_state == PM_SUSPEND_MEM); +} + +/** * amdgpu_acpi_is_s0ix_active * * @adev: amdgpu_device_pointer |