If a user has disabled GFXOFF this may cause problems for the suspend
sequence.  Ensure that it is enabled in amdgpu_acpi_is_s0ix_active().

The system won't reach the deepest state but it also won't hang.

Signed-off-by: Mario Limonciello <mario.limoncie...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index d62e49758635..e550067e5c5d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -1497,6 +1497,9 @@ 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
-- 
2.34.1

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