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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c24
2 files changed, 25 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 845c92dc73f6..65d2799f5a87 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1407,12 +1407,10 @@ int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_sta
int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
-bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
void amdgpu_acpi_detect(void);
#else
static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
-static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
static inline void amdgpu_acpi_detect(void) { }
static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
@@ -1421,6 +1419,12 @@ static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev,
enum amdgpu_ss ss_state) { return 0; }
#endif
+#if defined(CONFIG_ACPI) && defined(CONFIG_SUSPEND)
+bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
+#else
+static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
+#endif
+
int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
uint64_t addr, struct amdgpu_bo **bo,
struct amdgpu_bo_va_mapping **mapping);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 4811b0faafd9..b19d40751802 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -1031,6 +1031,7 @@ void amdgpu_acpi_detect(void)
}
}
+#if IS_ENABLED(CONFIG_SUSPEND)
/**
* amdgpu_acpi_is_s0ix_active
*
@@ -1040,11 +1041,24 @@ 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 */