[PATCH 2/3] drm/sysfb: Share helpers for integer validation

Javier Martinez Canillas javierm at redhat.com
Wed Apr 9 11:57:58 UTC 2025


Thomas Zimmermann <tzimmermann at suse.de> writes:

> Provide sysfb helpers for validating framebuffer integer values
> against limits. Update drivers. If a driver did not specify a limit
> for a certain value, use INT_MAX.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/sysfb/drm_sysfb.c        | 27 ++++++++++++++++++++++
>  drivers/gpu/drm/sysfb/drm_sysfb_helper.h |  9 ++++++++
>  drivers/gpu/drm/sysfb/efidrm.c           | 29 ++++--------------------
>  drivers/gpu/drm/sysfb/ofdrm.c            | 12 ++--------
>  drivers/gpu/drm/sysfb/simpledrm.c        | 14 ++----------
>  drivers/gpu/drm/sysfb/vesadrm.c          | 29 ++++--------------------
>  6 files changed, 48 insertions(+), 72 deletions(-)
>
> diff --git a/drivers/gpu/drm/sysfb/drm_sysfb.c b/drivers/gpu/drm/sysfb/drm_sysfb.c
> index c083d21fd9cab..97547ea5e2131 100644
> --- a/drivers/gpu/drm/sysfb/drm_sysfb.c
> +++ b/drivers/gpu/drm/sysfb/drm_sysfb.c
> @@ -1,8 +1,35 @@
>  // SPDX-License-Identifier: GPL-2.0-only
>  
> +#include <linux/export.h>
> +#include <linux/limits.h>
> +#include <linux/minmax.h>
>  #include <linux/module.h>
>  
> +#include <drm/drm_print.h>
> +
>  #include "drm_sysfb_helper.h"
>  
>  MODULE_DESCRIPTION("Helpers for DRM sysfb drivers");
>  MODULE_LICENSE("GPL");
> +

I think the convention is to put these MODULE_* macros at the end of the file?

Reviewed-by: Javier Martinez Canillas <javierm at redhat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat



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