drm/amd: Pass userq suspend failures up to caller
If a userq failed to suspend the rest of the suspend sequence may
have problems. Pass the error code up to the caller for a decision
on what to do.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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