[Intel-gfx] [RFC PATCH 08/11] drm/i915/debugfs: support bool values for int and uint params
Jani Nikula
jani.nikula at intel.com
Fri Dec 21 13:42:17 UTC 2018
Argh, stray file accidentally sent, ignore.
On Fri, 21 Dec 2018, Jani Nikula <jani.nikula at intel.com> wrote:
> It's not uncommon for us to switch param types between bools and ints,
> often having otherwise bool semantics but -1 value for platform
> default. Allow bool values for ints.
>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> ---
> drivers/gpu/drm/i915/i915_debugfs.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 33375cf79713..c9e2cf8e071a 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -61,6 +61,13 @@ static ssize_t i915_param_int_write(struct file *file,
> int ret;
>
> ret = kstrtoint_from_user(ubuf, len, 0, value);
> + if (ret) {
> + /* support boolean values too */
> + bool b;
> + ret = kstrtobool_from_user(ubuf, len, &b);
> + if (!ret)
> + *value = b;
> + }
>
> return ret ?: len;
> }
> @@ -106,6 +113,13 @@ static ssize_t i915_param_uint_write(struct file *file,
> int ret;
>
> ret = kstrtouint_from_user(ubuf, len, 0, value);
> + if (ret) {
> + /* support boolean values too */
> + bool b;
> + ret = kstrtobool_from_user(ubuf, len, &b);
> + if (!ret)
> + *value = b;
> + }
>
> return ret ?: len;
> }
--
Jani Nikula, Intel Open Source Graphics Center
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