This reverts commit 674dc7f61aefea81901c21402946074927e63f1a.
The commit causes a recursive dependency in kconfig:
drivers/iommu/Kconfig:14:error: recursive dependency detected!
drivers/iommu/Kconfig:14: symbol IOMMU_SUPPORT is selected by DRM_PANTHOR
drivers/gpu/drm/panthor/Kconfig:3: symbol DRM_PANTHOR depends on PM
kernel/power/Kconfig:183: symbol PM is selected by PM_SLEEP
kernel/power/Kconfig:117: symbol PM_SLEEP depends on HIBERNATE_CALLBACKS
kernel/power/Kconfig:35: symbol HIBERNATE_CALLBACKS is selected by
XEN_SAVE_RESTORE
arch/x86/xen/Kconfig:67: symbol XEN_SAVE_RESTORE depends on XEN
arch/x86/xen/Kconfig:6: symbol XEN depends on PARAVIRT
arch/x86/Kconfig:781: symbol PARAVIRT is selected by HYPERV
drivers/hv/Kconfig:5: symbol HYPERV depends on X86_LOCAL_APIC
arch/x86/Kconfig:1106: symbol X86_LOCAL_APIC depends on X86_UP_APIC
arch/x86/Kconfig:1081: symbol X86_UP_APIC prompt is visible depending on
PCI_MSI
drivers/pci/Kconfig:39: symbol PCI_MSI is selected by AMD_IOMMU
drivers/iommu/amd/Kconfig:3: symbol AMD_IOMMU depends on IOMMU_SUPPORT
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
Fixes: 674dc7f61aef ("drm/panthor: Fix undefined panthor_device_suspend/resume
symbol issue")
Cc: Boris Brezillon <boris.brezil...@collabora.com>
Cc: Liviu Dudau <liviu.du...@arm.com>
Cc: Steven Price <steven.pr...@arm.com>
Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
drivers/gpu/drm/panthor/Kconfig | 1 -
drivers/gpu/drm/panthor/panthor_device.c | 2 ++
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panthor/Kconfig b/drivers/gpu/drm/panthor/Kconfig
index fdce7c1b2310..55b40ad07f3b 100644
--- a/drivers/gpu/drm/panthor/Kconfig
+++ b/drivers/gpu/drm/panthor/Kconfig
@@ -6,7 +6,6 @@ config DRM_PANTHOR
depends on ARM || ARM64 || COMPILE_TEST
depends on !GENERIC_ATOMIC64 # for IOMMU_IO_PGTABLE_LPAE
depends on MMU
- depends on PM
select DEVFREQ_GOV_SIMPLE_ONDEMAND
select DRM_EXEC
select DRM_GEM_SHMEM_HELPER
diff --git a/drivers/gpu/drm/panthor/panthor_device.c
b/drivers/gpu/drm/panthor/panthor_device.c
index 083888b48591..69deb8e17778 100644
--- a/drivers/gpu/drm/panthor/panthor_device.c
+++ b/drivers/gpu/drm/panthor/panthor_device.c
@@ -402,6 +402,7 @@ int panthor_device_mmap_io(struct panthor_device *ptdev,
struct vm_area_struct *
return 0;
}
+#ifdef CONFIG_PM
int panthor_device_resume(struct device *dev)
{
struct panthor_device *ptdev = dev_get_drvdata(dev);
@@ -546,3 +547,4 @@ int panthor_device_suspend(struct device *dev)
mutex_unlock(&ptdev->pm.mmio_lock);
return ret;
}
+#endif
--
2.39.2
