summaryrefslogtreecommitdiff
path: root/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c')
-rw-r--r--sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c
index 102fbe051a0..d33a60e5939 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_acpi.c
@@ -1044,6 +1044,7 @@ void amdgpu_acpi_detect(void)
}
}
+#if IS_ENABLED(CONFIG_SUSPEND)
/**
* amdgpu_acpi_is_s0ix_active
*
@@ -1053,11 +1054,24 @@ void amdgpu_acpi_detect(void)
*/
bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev)
{
-#if IS_ENABLED(CONFIG_AMD_PMC) && IS_ENABLED(CONFIG_SUSPEND)
- if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) {
- if (adev->flags & AMD_IS_APU)
- return pm_suspend_target_state == PM_SUSPEND_TO_IDLE;
+ if (!(adev->flags & AMD_IS_APU) ||
+ (pm_suspend_target_state != PM_SUSPEND_TO_IDLE))
+ return false;
+
+ if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) {
+ dev_warn_once(adev->dev,
+ "Power consumption will be higher as BIOS has not been configured for suspend-to-idle.\n"
+ "To use suspend-to-idle change the sleep mode in BIOS setup.\n");
+ return false;
}
-#endif
+
+#if !IS_ENABLED(CONFIG_AMD_PMC)
+ dev_warn_once(adev->dev,
+ "Power consumption will be higher as the kernel has not been compiled with CONFIG_AMD_PMC.\n");
return false;
+#else
+ return true;
+#endif /* CONFIG_AMD_PMC */
}
+
+#endif /* CONFIG_SUSPEND */