On Sat, 21 Dec 2019, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> Cc: Sean Paul <sean@xxxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> ---
> include/drm/drm_print.h | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
> index c1d333bb7534..c9fa06b517cc 100644
> --- a/include/drm/drm_print.h
> +++ b/include/drm/drm_print.h
> @@ -392,6 +392,21 @@ enum drm_debug_category {
> DRM_UT_DP = 0x100,
> };
>
> +/**
> + * drm_debug_enabled - check if debug logging is enabled for the
> + * specified category
> + * @category: the category that is checked
> + *
> + * The category specified can be either one &drm_debug_category value or several
> + * &drm_debug_category values ORed together.
It can implementation wise, but I'd prefer to advertize it as a plain
enum for just one category in the interface.
BR,
Jani.
> + * drm_debug_enabled() can be used to avoid expensive logging functionality
> + * when logging is not enabled.
> + * Use with care.
> + *
> + * RETURNS:
> + * true if debug logging for the specified category is enabled.
> + * false otherwise
> + */
> static inline bool drm_debug_enabled(enum drm_debug_category category)
> {
> return unlikely(__drm_debug & category);
--
Jani Nikula, Intel Open Source Graphics Center
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