diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 165b02e267b0..4f4fda53c08a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -27,6 +27,7 @@ #include <linux/power_supply.h> #include <linux/pm_runtime.h> #include <acpi/video.h> +#include <acpi/actbl.h> #include <drm/drm_crtc_helper.h> #include "amdgpu.h" @@ -894,3 +895,16 @@ void amdgpu_acpi_fini(struct amdgpu_device *adev) unregister_acpi_notifier(&adev->acpi_nb); kfree(adev->atif); } + +/** + * amdgpu_acpi_is_s0ix_supported + * + * returns true if supported, false if not. + */ +bool amdgpu_acpi_is_s0ix_supported(void) +{ + if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) + return true; + + return false; +} |