[PATCH v4 07/18] drm/panthor: Move the debugfs initialization to panthor_device.c

From: Boris Brezillon

Date: Wed Aug 26 2026 - 10:57:17 EST


Those are per-device debugfs-files, so it makes sense to have the
initialization logic in panthor_device.c.

Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx>
Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
---
drivers/gpu/drm/panthor/panthor_device.c | 9 +++++++++
drivers/gpu/drm/panthor/panthor_device.h | 4 ++++
drivers/gpu/drm/panthor/panthor_drv.c | 10 +---------
3 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/panthor/panthor_device.c b/drivers/gpu/drm/panthor/panthor_device.c
index 08bb4d410941..19d3669f5ec7 100644
--- a/drivers/gpu/drm/panthor/panthor_device.c
+++ b/drivers/gpu/drm/panthor/panthor_device.c
@@ -13,6 +13,7 @@
#include <linux/reset.h>

#include <drm/drm_drv.h>
+#include <drm/drm_file.h>
#include <drm/drm_managed.h>
#include <drm/drm_print.h>

@@ -661,3 +662,11 @@ int panthor_device_suspend(struct device *dev)

return 0;
}
+
+#ifdef CONFIG_DEBUG_FS
+void panthor_device_debugfs_init(struct drm_minor *minor)
+{
+ panthor_mmu_debugfs_init(minor);
+ panthor_gem_debugfs_init(minor);
+}
+#endif
diff --git a/drivers/gpu/drm/panthor/panthor_device.h b/drivers/gpu/drm/panthor/panthor_device.h
index a7ea475fb407..e12049961912 100644
--- a/drivers/gpu/drm/panthor/panthor_device.h
+++ b/drivers/gpu/drm/panthor/panthor_device.h
@@ -421,6 +421,10 @@ int panthor_device_mmap_io(struct panthor_device *ptdev,
int panthor_device_resume(struct device *dev);
int panthor_device_suspend(struct device *dev);

+#ifdef CONFIG_DEBUG_FS
+void panthor_device_debugfs_init(struct drm_minor *minor);
+#endif
+
static inline int panthor_device_resume_and_get(struct panthor_device *ptdev)
{
int ret = pm_runtime_resume_and_get(ptdev->base.dev);
diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/panthor/panthor_drv.c
index 67db6701699b..3993e1a81495 100644
--- a/drivers/gpu/drm/panthor/panthor_drv.c
+++ b/drivers/gpu/drm/panthor/panthor_drv.c
@@ -1764,14 +1764,6 @@ static const struct file_operations panthor_drm_driver_fops = {
.fop_flags = FOP_UNSIGNED_OFFSET,
};

-#ifdef CONFIG_DEBUG_FS
-static void panthor_debugfs_init(struct drm_minor *minor)
-{
- panthor_mmu_debugfs_init(minor);
- panthor_gem_debugfs_init(minor);
-}
-#endif
-
/*
* PanCSF driver version:
* - 1.0 - initial interface
@@ -1807,7 +1799,7 @@ static const struct drm_driver panthor_drm_driver = {
.gem_prime_import_sg_table = panthor_gem_prime_import_sg_table,
.gem_prime_import = panthor_gem_prime_import,
#ifdef CONFIG_DEBUG_FS
- .debugfs_init = panthor_debugfs_init,
+ .debugfs_init = panthor_device_debugfs_init,
#endif
};


--
2.55.0