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From: Sean Paul <sean@poorly.run>
To: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>,
	Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
	sudeep.dutt@intel.com,
	dri-devel <dri-devel@lists.freedesktop.org>,
	David Airlie <airlied@linux.ie>, Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [Intel-gfx] [ [PATCH v2 01/10] drm/print: introduce new struct drm_device based WARN* macros
Date: Wed, 22 Jan 2020 08:30:53 -0500
Message-ID: <CAMavQK+aXO5VMAwCu4jBbah6MkubnO+sUxd+av0A_=Ld_A9kzQ@mail.gmail.com> (raw)
In-Reply-To: <20200115034455.17658-2-pankaj.laxminarayan.bharadiya@intel.com>

On Tue, Jan 14, 2020 at 10:49 PM Pankaj Bharadiya
<pankaj.laxminarayan.bharadiya@intel.com> wrote:
>
> Add new struct drm_device based WARN* macros. These are modeled after
> the core kernel device based WARN* macros. These would be preferred
> over the regular WARN* macros, where possible.
>
> These macros include device information in the backtrace, so we know
> what device the warnings originate from.
>
> Knowing the device specific information in the backtrace would be
> helpful in development all around.
>
> Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>

Acked-by: Sean Paul <sean@poorly.run>

> ---
>  include/drm/drm_print.h | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
> index 8f99d389792d..894a0b9437e2 100644
> --- a/include/drm/drm_print.h
> +++ b/include/drm/drm_print.h
> @@ -553,4 +553,33 @@ void __drm_err(const char *format, ...);
>  #define DRM_DEBUG_PRIME_RATELIMITED(fmt, ...)                          \
>         DRM_DEV_DEBUG_PRIME_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
>
> +/*
> + * struct drm_device based WARNs
> + *
> + * drm_WARN*() acts like WARN*(), but with the key difference of
> + * using device specific information so that we know from which device
> + * warning is originating from.
> + *
> + * Prefer drm_device based drm_WARN* over regular WARN*
> + */
> +
> +/* Helper for struct drm_device based WARNs */
> +#define drm_WARN(drm, condition, format, arg...)                       \
> +       WARN(condition, "%s %s: " format,                               \
> +                       dev_driver_string((drm)->dev),                  \
> +                       dev_name((drm)->dev), ## arg)
> +
> +#define drm_WARN_ONCE(drm, condition, format, arg...)                  \
> +       WARN_ONCE(condition, "%s %s: " format,                          \
> +                       dev_driver_string((drm)->dev),                  \
> +                       dev_name((drm)->dev), ## arg)
> +
> +#define drm_WARN_ON(drm, x)                                            \
> +       drm_WARN((drm), (x), "%s",                                      \
> +                "drm_WARN_ON(" __stringify(x) ")")
> +
> +#define drm_WARN_ON_ONCE(drm, x)                                       \
> +       drm_WARN_ONCE((drm), (x), "%s",                                 \
> +                     "drm_WARN_ON_ONCE(" __stringify(x) ")")
> +
>  #endif /* DRM_PRINT_H_ */
> --
> 2.23.0
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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  parent reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-15  3:44 [[Intel-gfx] [PATCH v2 00/10] drm: Introduce struct drm_device based WARN* and use them in i915 Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 01/10] drm/print: introduce new struct drm_device based WARN* macros Pankaj Bharadiya
2020-01-15 10:02   ` Jani Nikula
2020-01-21  8:39     ` Jani Nikula
2020-01-21  9:13       ` Sam Ravnborg
2020-01-22 13:30   ` Sean Paul [this message]
2020-01-22 15:32     ` [Intel-gfx] [ " Jani Nikula
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 02/10] drm/i915/display: Make WARN* drm specific where drm_device ptr is available Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 03/10] drm/i915/display: Make WARN* drm specific where drm_priv " Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 04/10] drm/i915/display: Make WARN* drm specific where encoder " Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 05/10] drm/i915/gem: Make WARN* drm specific where drm_priv " Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 06/10] drm/i915/gt: " Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 07/10] drm/i915/gvt: " Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 08/10] drm/i915/gvt: Make WARN* drm specific where vgpu " Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 09/10] drm/i915: Make WARN* drm specific where drm_priv " Pankaj Bharadiya
2020-01-15  3:44 ` [[Intel-gfx] [PATCH v2 10/10] drm/i915: Make WARN* drm specific where uncore or stream " Pankaj Bharadiya
2020-01-22 16:22 ` [[Intel-gfx] [PATCH v2 00/10] drm: Introduce struct drm_device based WARN* and use them in i915 Jani Nikula
2020-01-23  9:00   ` Bharadiya,Pankaj
2020-01-23  9:39     ` Jani Nikula
2020-01-27  8:14       ` Bharadiya,Pankaj
2020-01-27  9:01         ` Jani Nikula
  -- strict thread matches above, loose matches on Subject: below --
2020-01-15  3:43 Pankaj Bharadiya
2020-01-15  3:43 ` [[Intel-gfx] [PATCH v2 01/10] drm/print: introduce new struct drm_device based WARN* macros Pankaj Bharadiya

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