From: Jani Nikula <jani.nikula@linux.intel.com>
To: dri-devel@lists.freedesktop.org
Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Subject: Re: [PATCH v2] drm: Make drm.debug parameter description more helpful
Date: Thu, 21 Apr 2016 10:32:11 +0300 [thread overview]
Message-ID: <87y487mn7o.fsf@intel.com> (raw)
In-Reply-To: <1461170703-11216-1-git-send-email-ezequiel@vanguardiasur.com.ar>
On Wed, 20 Apr 2016, Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> wrote:
> Let's be user-friendly and print an actually helpful parameter
> description.
>
> This makes modinfo output the debug parameter like this:
>
> parm: debug:Enable debug output, where each bit enables a debug category.
> Bit 0 (0x01) will enable CORE messages (drm core code)
> Bit 1 (0x02) will enable DRIVER messages (drm controller code)
> Bit 2 (0x04) will enable KMS messages (modesetting code)
> Bit 3 (0x08) will enable PRIME messages (prime code)
> Bit 4 (0x10) will enable ATOMIC messages (atomic code)
> Bit 5 (0x20) will enable VBL messages (vblank code) (int)
>
> Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
> --
> Changes from v1:
>
> * Fixed s/PRMIE/PRIME typo.
> * Add ATOMIC and VBL debug parameter documentation.
> * Prefix the continuation lines with two tabs and
> removed the last new line.
> * Remove spurious whitespace.
>
> drivers/gpu/drm/drm_drv.c | 14 ++++++++++++--
> 1 file changed, 12 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index 167c8d3d4a31..c4f45ac04ea4 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -37,13 +37,23 @@
> #include "drm_legacy.h"
> #include "drm_internal.h"
>
> -unsigned int drm_debug = 0; /* bitmask of DRM_UT_x */
> +/*
> + * drm_debug: Enable debug output.
> + * Bitmask of DRM_UT_x. See include/drm/drmP.h for details.
> + */
> +unsigned int drm_debug = 0;
> EXPORT_SYMBOL(drm_debug);
>
> MODULE_AUTHOR(CORE_AUTHOR);
> MODULE_DESCRIPTION(CORE_DESC);
> MODULE_LICENSE("GPL and additional rights");
> -MODULE_PARM_DESC(debug, "Enable debug output");
> +MODULE_PARM_DESC(debug, "Enable debug output, where each bit enables a debug category.\n"
> +"\t\tBit 0 (0x01) will enable CORE messages (drm core code)\n"
> +"\t\tBit 1 (0x02) will enable DRIVER messages (drm controller code)\n"
> +"\t\tBit 2 (0x04) will enable KMS messages (modesetting code)\n"
> +"\t\tBit 3 (0x08) will enable PRIME messages (prime code)\n"
> +"\t\tBit 4 (0x10) will enable ATOMIC messages (atomic code)\n"
> +"\t\tBit 5 (0x20) will enable VBL messages (vblank code)");
> module_param_named(debug, drm_debug, int, 0600);
>
> static DEFINE_SPINLOCK(drm_minor_lock);
--
Jani Nikula, Intel Open Source Technology Center
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next prev parent reply other threads:[~2016-04-21 7:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-19 17:40 [PATCH] drm: probe_helper: Hide ugly ifdef Ezequiel Garcia
2016-04-19 17:40 ` [PATCH] drm: Make drm.debug parameter description more helpful Ezequiel Garcia
2016-04-19 21:00 ` Emil Velikov
2016-04-20 9:21 ` Jani Nikula
2016-04-20 15:48 ` Ezequiel Garcia
2016-04-20 16:45 ` [PATCH v2] " Ezequiel Garcia
2016-04-21 7:32 ` Jani Nikula [this message]
2016-04-21 7:50 ` Daniel Vetter
2016-04-20 9:24 ` [PATCH] drm: probe_helper: Hide ugly ifdef Jani Nikula
2016-04-20 11:35 ` Daniel Vetter
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