Re: [PATCH 03/12] drm/panthor: Move the debugfs initialization to panthor_device.c

From: Liviu Dudau

Date: Tue Aug 04 2026 - 08:51:13 EST


On Tue, Aug 04, 2026 at 12:09:42PM +0200, Boris Brezillon wrote:
> Those are per-device debugfs-files, so it makes sense to have the
> initialization logic in panthor_device.c.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>

Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx>

Best regards,
Liviu

> ---
> 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 1aa86d00646f..7d336f160d1f 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>
>
> @@ -616,3 +617,11 @@ int panthor_device_suspend(struct device *dev)
> atomic_set(&ptdev->pm.state, PANTHOR_DEVICE_PM_STATE_SUSPENDED);
> 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 0fda64fbe5f2..a6b1a2a5fca4 100644
> --- a/drivers/gpu/drm/panthor/panthor_device.h
> +++ b/drivers/gpu/drm/panthor/panthor_device.h
> @@ -403,6 +403,10 @@ 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 46a3080b0b20..924a7ecd3733 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
>

--
====================
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| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
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