dri-devel.lists.freedesktop.org archive mirror
 help / color / mirror / Atom feed
From: Jani Nikula <jani.nikula@intel.com>
To: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>,
	daniel@ffwll.ch, sam@ravnborg.org, sudeep.dutt@intel.com,
	intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	David Airlie <airlied@linux.ie>
Cc: pankaj.laxminaryan.bharadiya@outlook.iglb.intel.com
Subject: Re: [Intel-gfx] [PATCH 1/6] drm/print: introduce new struct drm_device based WARN* macros
Date: Mon, 13 Jan 2020 14:30:54 +0200	[thread overview]
Message-ID: <87ftgjmtc1.fsf@intel.com> (raw)
In-Reply-To: <20200113115557.32713-2-pankaj.laxminarayan.bharadiya@intel.com>

On Mon, 13 Jan 2020, 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>
> ---
>  include/drm/drm_print.h | 30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
>
> diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
> index 8f99d389792d..61a7224e697d 100644
> --- a/include/drm/drm_print.h
> +++ b/include/drm/drm_print.h
> @@ -553,4 +553,34 @@ 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 dev_WARN* over regular WARN*

drm_WARN, not dev_WARN.

I don't really appreciated changing case mid-symbol, but that matches
dev_WARN. :/

Other than that,

Acked-by: Jani Nikula <jani.nikula@intel.com>


> + */
> +
> +/* 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_ */

-- 
Jani Nikula, Intel Open Source Graphics Center
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

  reply	other threads:[~2020-01-13 12:31 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-13 11:55 [Intel-gfx] [PATCH 0/6]: drm: Introduce struct drm_device based WARN* and use them in i915 Pankaj Bharadiya
2020-01-13 11:55 ` [Intel-gfx] [PATCH 1/6] drm/print: introduce new struct drm_device based WARN* macros Pankaj Bharadiya
2020-01-13 12:30   ` Jani Nikula [this message]
2020-01-13 18:54   ` Sam Ravnborg
2020-01-13 11:55 ` [Intel-gfx] [PATCH 2/6] drm/i915: add helper functions to get device ptr Pankaj Bharadiya
2020-01-13 12:14   ` Jani Nikula
2020-01-13 18:31     ` Bharadiya,Pankaj
2020-01-14  7:51       ` Jani Nikula
2020-01-13 11:55 ` [Intel-gfx] [PATCH 3/6] drm/i915: Make WARN* drm specific where drm_device ptr available Pankaj Bharadiya
2020-01-13 11:55 ` [Intel-gfx] [PATCH 4/6] drm/i915: Make WARN* drm specific where drm_priv ptr is available Pankaj Bharadiya
2020-01-13 11:55 ` [Intel-gfx] [PATCH 5/6] drm/i915: Make WARN* drm specific where dev_priv can be extracted Pankaj Bharadiya
2020-01-13 11:55 ` [Intel-gfx] [PATCH 6/6] drm/i915: Make WARN* drm specific for various cases Pankaj Bharadiya
2020-01-13 12:33 ` [Intel-gfx] [PATCH 0/6]: drm: Introduce struct drm_device based WARN* and use them in i915 Jani Nikula
2020-01-13 18:34   ` Bharadiya,Pankaj

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87ftgjmtc1.fsf@intel.com \
    --to=jani.nikula@intel.com \
    --cc=airlied@linux.ie \
    --cc=daniel@ffwll.ch \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=maarten.lankhorst@linux.intel.com \
    --cc=mripard@kernel.org \
    --cc=pankaj.laxminarayan.bharadiya@intel.com \
    --cc=pankaj.laxminaryan.bharadiya@outlook.iglb.intel.com \
    --cc=sam@ravnborg.org \
    --cc=sudeep.dutt@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).