Re: [PATCH v6 5/9] drm/panthor: Get rid of panthor_group::fatal_lock
From: Liviu Dudau
Date: Tue Aug 18 2026 - 13:10:02 EST
On Tue, Aug 11, 2026 at 01:23:39PM +0200, Boris Brezillon wrote:
> This lock is never used, and we're about to make fatal_queues an
> atomic to cope with concurrent updates.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx>
Best regards,
Liviu
> ---
> drivers/gpu/drm/panthor/panthor_sched.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/panthor/panthor_sched.c b/drivers/gpu/drm/panthor/panthor_sched.c
> index baa06731797c..9adf1e21eb83 100644
> --- a/drivers/gpu/drm/panthor/panthor_sched.c
> +++ b/drivers/gpu/drm/panthor/panthor_sched.c
> @@ -565,9 +565,6 @@ struct panthor_group {
> /** @idle_queues: Bitmask reflecting the idle queues. */
> u32 idle_queues;
>
> - /** @fatal_lock: Lock used to protect access to fatal fields. */
> - spinlock_t fatal_lock;
> -
> /** @fatal_queues: Bitmask reflecting the queues that hit a fatal exception. */
> u32 fatal_queues;
>
> @@ -3675,7 +3672,6 @@ int panthor_group_create(struct panthor_file *pfile,
> if (!group)
> return -ENOMEM;
>
> - spin_lock_init(&group->fatal_lock);
> kref_init(&group->refcount);
> group->state = PANTHOR_CS_GROUP_CREATED;
> group->csg_id = -1;
>
> --
> 2.55.0
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
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