Commit f52a2b8b authored by Mario Limonciello's avatar Mario Limonciello Committed by Alex Deucher

drm/amd: add support to check whether the system is set to s3

This will be used to help make decisions on what to do in
misconfigured systems.

v2: squash in semicolon fix from Stephen Rothwell
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a6ed2035
......@@ -1421,9 +1421,11 @@ 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,
......
......@@ -1032,6 +1032,19 @@ 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
*
......
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