[PATCH v4 1/3] drm: Add user-defined EDID quirks capability

[Paul Menzel]

Am Sonntag, den 12.08.2012, 15:07 -0500 schrieb Ian Pilcher:
> Add the ability for users to define their own EDID quirks via a
> module parameter or sysfs attribute.
> 
> Signed-off-by: Ian Pilcher <arequipeno at gmail.com>
> Acked-by: Paul Menzel <paulepanter at users.sourceforge.net>
> ---
>  Documentation/EDID/edid_quirks.txt | 126 ++++++++++
>  drivers/gpu/drm/drm_drv.c          |   2 +
>  drivers/gpu/drm/drm_edid.c         | 500 ++++++++++++++++++++++++++++++++-----
>  drivers/gpu/drm/drm_stub.c         |   6 +
>  drivers/gpu/drm/drm_sysfs.c        |  19 ++
>  include/drm/drmP.h                 |  10 +
>  include/drm/drm_edid.h             |  13 +-
>  7 files changed, 615 insertions(+), 61 deletions(-)
>  create mode 100644 Documentation/EDID/edid_quirks.txt

[…]

> diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
> index 45ac8d6..84dc365 100644
> --- a/drivers/gpu/drm/drm_sysfs.c
> +++ b/drivers/gpu/drm/drm_sysfs.c
> @@ -84,6 +84,11 @@ static CLASS_ATTR_STRING(version, S_IRUGO,
>  		__stringify(CORE_PATCHLEVEL) " "
>  		CORE_DATE);
>  
> +static CLASS_ATTR(edid_quirks_size, 0400, drm_edid_quirks_size_show, 0);
> +
> +static CLASS_ATTR(edid_quirks, 0600, drm_edid_quirks_show,
> +		  drm_edid_quirks_store);

Testing your patch, I would vote that a normal user is allowed to read
the quirk list.

[…]


Thanks,

Paul
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