linux-kernel - Re: [PATCH v9 32/53] DRM-CLASSMAP-USE in drm-drv.c

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Message-ID: <CAJfuBxyuwpkWQpqoncHXOx5v_naAnxW1BUyHzon6PXiPCRrSSg@mail.gmail.com>
Date: Tue, 2 Jul 2024 16:21:15 -0600
From: jim.cromie@...il.com
To: daniel.vetter@...ll.ch, tvrtko.ursulin@...ux.intel.com, 
	jani.nikula@...el.com, ville.syrjala@...ux.intel.com, jbaron@...mai.com, 
	gregkh@...uxfoundation.org, ukaszb@...omium.org
Cc: linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	amd-gfx@...ts.freedesktop.org, intel-gvt-dev@...ts.freedesktop.org, 
	intel-gfx@...ts.freedesktop.org, linux@...musvillemoes.dk, joe@...ches.com, 
	mcgrof@...nel.org
Subject: Re: [PATCH v9 32/53] DRM-CLASSMAP-USE in drm-drv.c

On Tue, Jul 2, 2024 at 3:58 PM Jim Cromie <jim.cromie@...il.com> wrote:
>
> ---
>  drivers/gpu/drm/drm_drv.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index 243cacb3575c..f511d40f577a 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -56,6 +56,9 @@ MODULE_LICENSE("GPL and additional rights");
>  static DEFINE_SPINLOCK(drm_minor_lock);
>  static struct idr drm_minors_idr;
>
> +/* single ref for all clients ? */

So this was my attempt to try a single USE
from the client-side of drm core / driver interface.

I didnt find it to work, and meant to rebase it away.


> +DRM_CLASSMAP_USE(drm_debug_classes);
> +
>  /*
>   * If the drm core fails to init for whatever reason,
>   * we should prevent any drivers from registering with it.
> --
> 2.45.2
>