Re: [PATCH v5 3/4] drm/panthor: Label all kernel BO's

[Boris Brezillon <boris.brezillon@collabora.com>]

On Tue,  8 Apr 2025 23:24:23 +0100
Adrián Larumbe <adrian.larumbe@collabora.com> wrote:

> Kernel BO's aren't exposed to UM, so labelling them is the responsibility
> of the driver itself. This kind of tagging will prove useful in further
> commits when want to expose these objects through DebugFS.
> 
> Expand panthor_kernel_bo_create() interface to take a NULL-terminated
> string. No bounds checking is done because all label strings are given
> as statically-allocated literals, but if a more complex kernel BO naming
> scheme with explicit memory allocation and formatting was desired in the
> future, this would have to change.
> 
> Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>

Just one modification suggested on a label, but this looks good
otherwise

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>

> ---
>  drivers/gpu/drm/panthor/panthor_fw.c    | 8 +++++---
>  drivers/gpu/drm/panthor/panthor_gem.c   | 4 +++-
>  drivers/gpu/drm/panthor/panthor_gem.h   | 2 +-
>  drivers/gpu/drm/panthor/panthor_heap.c  | 6 ++++--
>  drivers/gpu/drm/panthor/panthor_sched.c | 9 ++++++---
>  5 files changed, 19 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panthor/panthor_sched.c b/drivers/gpu/drm/panthor/panthor_sched.c
> index 1a276db095ff..432a8993a0cb 100644
> --- a/drivers/gpu/drm/panthor/panthor_sched.c
> +++ b/drivers/gpu/drm/panthor/panthor_sched.c
> @@ -3334,7 +3334,8 @@ group_create_queue(struct panthor_group *group,
>  						  DRM_PANTHOR_BO_NO_MMAP,
>  						  DRM_PANTHOR_VM_BIND_OP_MAP_NOEXEC |
>  						  DRM_PANTHOR_VM_BIND_OP_MAP_UNCACHED,
> -						  PANTHOR_VM_KERNEL_AUTO_VA);
> +						  PANTHOR_VM_KERNEL_AUTO_VA,
> +						  "Ring buffer");

						  "CS ring buffer"

>  	if (IS_ERR(queue->ringbuf)) {
>  		ret = PTR_ERR(queue->ringbuf);
>  		goto err_free_queue;