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drm/amdgpu: Fix build error when CONFIG_SUSPEND is disabled

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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 <lijo.lazar@amd.com>
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Perry Yuan 2025-07-07 10:45:28 +08:00 committed by Alex Deucher
parent 6716a823d1
commit 8e3967a71e
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@ -2597,6 +2597,7 @@ 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) {
@ -2604,11 +2605,14 @@ 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);
}