From: Liviu Dudau <liviu.dudau@arm.com>
To: Boris Brezillon <boris.brezillon@collabora.com>
Cc: Steven Price <steven.price@arm.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 03/12] drm/panthor: Move the debugfs initialization to panthor_device.c
Date: Tue, 4 Aug 2026 13:50:25 +0100 [thread overview]
Message-ID: <anHgEQIVMZkPXxLr@e142607> (raw)
In-Reply-To: <20260804-panthor-unplug-fixes-v1-3-abbbd2d41b13@collabora.com>
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@collabora.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
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
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
next prev parent reply other threads:[~2026-08-04 12:50 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-04 10:09 [PATCH 00/12] drm/panthor: Fix the unplug logic Boris Brezillon
2026-08-04 10:09 ` [PATCH 01/12] drm/panthor: Disable reset work before unplug Boris Brezillon
2026-08-04 10:46 ` Boris Brezillon
2026-08-04 10:09 ` [PATCH 02/12] drm/panthor: Further delay reset work enablement Boris Brezillon
2026-08-04 10:09 ` [PATCH 03/12] drm/panthor: Move the debugfs initialization to panthor_device.c Boris Brezillon
2026-08-04 12:50 ` Liviu Dudau [this message]
2026-08-04 10:09 ` [PATCH 04/12] drm/panthor: Flush the cleanup_wq before destroying the drm_device Boris Brezillon
2026-08-04 10:09 ` [PATCH 05/12] drm/panthor: Drop unused vm argument passed to panthor_vm_prepare_sync_only_op_ctx() Boris Brezillon
2026-08-04 10:09 ` [PATCH 06/12] drm/panthor: Split panthor_vm Boris Brezillon
2026-08-04 10:09 ` [PATCH 07/12] drm/panthor: Add fine-grained restrictions on VMs Boris Brezillon
2026-08-04 10:09 ` [PATCH 08/12] drm/panthor: Check AS state before disabling Boris Brezillon
2026-08-04 10:09 ` [PATCH 09/12] drm/panthor: Don't pre-allocate VMAs or page tables when preparing a full VM unmap Boris Brezillon
2026-08-04 10:09 ` [PATCH 10/12] drm/panthor: Make the VM cleanup path more robust against UAF Boris Brezillon
2026-08-04 10:09 ` [PATCH 11/12] drm/panthor: Make the unplug logic more robust Boris Brezillon
2026-08-04 10:09 ` [PATCH 12/12] drm/panthor: Fix unplug in the reset path Boris Brezillon
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