From 57a4e3a94caee6cfda41700da877bee77eab939c Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Mon, 11 Mar 2024 13:16:19 +0200
Subject: [PATCH] Revert "drm/panthor: Fix undefined
panthor_device_suspend/resume symbol issue"
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.brezillon@collabora.com>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Steven Price <steven.price@arm.com>
Acked-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240311111619.249776-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@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 fdce7c1b2310f..55b40ad07f3b0 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 083888b48591c..69deb8e177782 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 @@ err_set_active:
mutex_unlock(&ptdev->pm.mmio_lock);
return ret;
}
+#endif
--
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