The variable `pm_suspend_target_state` is conditionally defined only when `CONFIG_SUSPEND` is enabled (see `include/linux/suspend.h`). Directly referencing it without guarding by `#ifdef CONFIG_SUSPEND` causes build failures when suspend functionality is disabled (e.g., `CONFIG_SUSPEND=n`).
Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Perry Yuan <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 4f8632737574..d3b6518a65f1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2588,6 +2588,7 @@ static int amdgpu_pmops_suspend(struct device *dev) else if (amdgpu_acpi_is_s3_active(adev)) adev->in_s3 = true; if (!adev->in_s0ix && !adev->in_s3) { +#if IS_ENABLED(CONFIG_SUSPEND) /* don't allow going deep first time followed by s2idle the next time */ if (adev->last_suspend_state != PM_SUSPEND_ON && adev->last_suspend_state != pm_suspend_target_state) { @@ -2595,11 +2596,14 @@ static int amdgpu_pmops_suspend(struct device *dev) pm_suspend_target_state); return -EINVAL; } +#endif return 0; } +#if IS_ENABLED(CONFIG_SUSPEND) /* cache the state last used for suspend */ adev->last_suspend_state = pm_suspend_target_state; +#endif return amdgpu_device_suspend(drm_dev, true); } -- 2.34.1
